/*! js-yaml 4.1.0 https://github.com/nodeca/js-yaml @license MIT */
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.jsyaml = {}));
}(this, (function (exports) { 'use strict';
function isNothing(subject) {
return (typeof subject === 'undefined') || (subject === null);
}
function isObject(subject) {
return (typeof subject === 'object') && (subject !== null);
}
function toArray(sequence) {
if (Array.isArray(sequence)) return sequence;
else if (isNothing(sequence)) return [];
return [ sequence ];
}
function extend(target, source) {
var index, length, key, sourceKeys;
if (source) {
sourceKeys = Object.keys(source);
for (index = 0, length = sourceKeys.length; index < length; index += 1) {
key = sourceKeys[index];
target[key] = source[key];
}
}
return target;
}
function repeat(string, count) {
var result = '', cycle;
for (cycle = 0; cycle < count; cycle += 1) {
result += string;
}
return result;
}
function isNegativeZero(number) {
return (number === 0) && (Number.NEGATIVE_INFINITY === 1 / number);
}
var isNothing_1 = isNothing;
var isObject_1 = isObject;
var toArray_1 = toArray;
var repeat_1 = repeat;
var isNegativeZero_1 = isNegativeZero;
var extend_1 = extend;
var common = {
isNothing: isNothing_1,
isObject: isObject_1,
toArray: toArray_1,
repeat: repeat_1,
isNegativeZero: isNegativeZero_1,
extend: extend_1
};
// YAML error class. http://stackoverflow.com/questions/8458984
function formatError(exception, compact) {
var where = '', message = exception.reason || '(unknown reason)';
if (!exception.mark) return message;
if (exception.mark.name) {
where += 'in "' + exception.mark.name + '" ';
}
where += '(' + (exception.mark.line + 1) + ':' + (exception.mark.column + 1) + ')';
if (!compact && exception.mark.snippet) {
where += '\n\n' + exception.mark.snippet;
}
return message + ' ' + where;
}
function YAMLException$1(reason, mark) {
// Super constructor
Error.call(this);
this.name = 'YAMLException';
this.reason = reason;
this.mark = mark;
this.message = formatError(this, false);
// Include stack trace in error object
if (Error.captureStackTrace) {
// Chrome and NodeJS
Error.captureStackTrace(this, this.constructor);
} else {
// FF, IE 10+ and Safari 6+. Fallback for others
this.stack = (new Error()).stack || '';
}
}
// Inherit from Error
YAMLException$1.prototype = Object.create(Error.prototype);
YAMLException$1.prototype.constructor = YAMLException$1;
YAMLException$1.prototype.toString = function toString(compact) {
return this.name + ': ' + formatError(this, compact);
};
var exception = YAMLException$1;
// get snippet for a single line, respecting maxLength
function getLine(buffer, lineStart, lineEnd, position, maxLineLength) {
var head = '';
var tail = '';
var maxHalfLength = Math.floor(maxLineLength / 2) - 1;
if (position - lineStart > maxHalfLength) {
head = ' ... ';
lineStart = position - maxHalfLength + head.length;
}
if (lineEnd - position > maxHalfLength) {
tail = ' ...';
lineEnd = position + maxHalfLength - tail.length;
}
return {
str: head + buffer.slice(lineStart, lineEnd).replace(/\t/g, '→') + tail,
pos: position - lineStart + head.length // relative position
};
}
function padStart(string, max) {
return common.repeat(' ', max - string.length) + string;
}
function makeSnippet(mark, options) {
options = Object.create(options || null);
if (!mark.buffer) return null;
if (!options.maxLength) options.maxLength = 79;
if (typeof options.indent !== 'number') options.indent = 1;
if (typeof options.linesBefore !== 'number') options.linesBefore = 3;
if (typeof options.linesAfter !== 'number') options.linesAfter = 2;
var re = /\r?\n|\r|\0/g;
var lineStarts = [ 0 ];
var lineEnds = [];
var match;
var foundLineNo = -1;
while ((match = re.exec(mark.buffer))) {
lineEnds.push(match.index);
lineStarts.push(match.index + match[0].length);
if (mark.position <= match.index && foundLineNo < 0) {
foundLineNo = lineStarts.length - 2;
}
}
if (foundLineNo < 0) foundLineNo = lineStarts.length - 1;
var result = '', i, line;
var lineNoLength = Math.min(mark.line + options.linesAfter, lineEnds.length).toString().length;
var maxLineLength = options.maxLength - (options.indent + lineNoLength + 3);
for (i = 1; i <= options.linesBefore; i++) {
if (foundLineNo - i < 0) break;
line = getLine(
mark.buffer,
lineStarts[foundLineNo - i],
lineEnds[foundLineNo - i],
mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo - i]),
maxLineLength
);
result = common.repeat(' ', options.indent) + padStart((mark.line - i + 1).toString(), lineNoLength) +
' | ' + line.str + '\n' + result;
}
line = getLine(mark.buffer, lineStarts[foundLineNo], lineEnds[foundLineNo], mark.position, maxLineLength);
result += common.repeat(' ', options.indent) + padStart((mark.line + 1).toString(), lineNoLength) +
' | ' + line.str + '\n';
result += common.repeat('-', options.indent + lineNoLength + 3 + line.pos) + '^' + '\n';
for (i = 1; i <= options.linesAfter; i++) {
if (foundLineNo + i >= lineEnds.length) break;
line = getLine(
mark.buffer,
lineStarts[foundLineNo + i],
lineEnds[foundLineNo + i],
mark.position - (lineStarts[foundLineNo] - lineStarts[foundLineNo + i]),
maxLineLength
);
result += common.repeat(' ', options.indent) + padStart((mark.line + i + 1).toString(), lineNoLength) +
' | ' + line.str + '\n';
}
return result.replace(/\n$/, '');
}
var snippet = makeSnippet;
var TYPE_CONSTRUCTOR_OPTIONS = [
'kind',
'multi',
'resolve',
'construct',
'instanceOf',
'predicate',
'represent',
'representName',
'defaultStyle',
'styleAliases'
];
var YAML_NODE_KINDS = [
'scalar',
'sequence',
'mapping'
];
function compileStyleAliases(map) {
var result = {};
if (map !== null) {
Object.keys(map).forEach(function (style) {
map[style].forEach(function (alias) {
result[String(alias)] = style;
});
});
}
return result;
}
function Type$1(tag, options) {
options = options || {};
Object.keys(options).forEach(function (name) {
if (TYPE_CONSTRUCTOR_OPTIONS.indexOf(name) === -1) {
throw new exception('Unknown option "' + name + '" is met in definition of "' + tag + '" YAML type.');
}
});
// TODO: Add tag format check.
this.options = options; // keep original options in case user wants to extend this type later
this.tag = tag;
this.kind = options['kind'] || null;
this.resolve = options['resolve'] || function () { return true; };
this.construct = options['construct'] || function (data) { return data; };
this.instanceOf = options['instanceOf'] || null;
this.predicate = options['predicate'] || null;
this.represent = options['represent'] || null;
this.representName = options['representName'] || null;
this.defaultStyle = options['defaultStyle'] || null;
this.multi = options['multi'] || false;
this.styleAliases = compileStyleAliases(options['styleAliases'] || null);
if (YAML_NODE_KINDS.indexOf(this.kind) === -1) {
throw new exception('Unknown kind "' + this.kind + '" is specified for "' + tag + '" YAML type.');
}
}
var type = Type$1;
/*eslint-disable max-len*/
function compileList(schema, name) {
var result = [];
schema[name].forEach(function (currentType) {
var newIndex = result.length;
result.forEach(function (previousType, previousIndex) {
if (previousType.tag === currentType.tag &&
previousType.kind === currentType.kind &&
previousType.multi === currentType.multi) {
newIndex = previousIndex;
}
});
result[newIndex] = currentType;
});
return result;
}
function compileMap(/* lists... */) {
var result = {
scalar: {},
sequence: {},
mapping: {},
fallback: {},
multi: {
scalar: [],
sequence: [],
mapping: [],
fallback: []
}
}, index, length;
function collectType(type) {
if (type.multi) {
result.multi[type.kind].push(type);
result.multi['fallback'].push(type);
} else {
result[type.kind][type.tag] = result['fallback'][type.tag] = type;
}
}
for (index = 0, length = arguments.length; index < length; index += 1) {
arguments[index].forEach(collectType);
}
return result;
}
function Schema$1(definition) {
return this.extend(definition);
}
Schema$1.prototype.extend = function extend(definition) {
var implicit = [];
var explicit = [];
if (definition instanceof type) {
// Schema.extend(type)
explicit.push(definition);
} else if (Array.isArray(definition)) {
// Schema.extend([ type1, type2, ... ])
explicit = explicit.concat(definition);
} else if (definition && (Array.isArray(definition.implicit) || Array.isArray(definition.explicit))) {
// Schema.extend({ explicit: [ type1, type2, ... ], implicit: [ type1, type2, ... ] })
if (definition.implicit) implicit = implicit.concat(definition.implicit);
if (definition.explicit) explicit = explicit.concat(definition.explicit);
} else {
throw new exception('Schema.extend argument should be a Type, [ Type ], ' +
'or a schema definition ({ implicit: [...], explicit: [...] })');
}
implicit.forEach(function (type$1) {
if (!(type$1 instanceof type)) {
throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');
}
if (type$1.loadKind && type$1.loadKind !== 'scalar') {
throw new exception('There is a non-scalar type in the implicit list of a schema. Implicit resolving of such types is not supported.');
}
if (type$1.multi) {
throw new exception('There is a multi type in the implicit list of a schema. Multi tags can only be listed as explicit.');
}
});
explicit.forEach(function (type$1) {
if (!(type$1 instanceof type)) {
throw new exception('Specified list of YAML types (or a single Type object) contains a non-Type object.');
}
});
var result = Object.create(Schema$1.prototype);
result.implicit = (this.implicit || []).concat(implicit);
result.explicit = (this.explicit || []).concat(explicit);
result.compiledImplicit = compileList(result, 'implicit');
result.compiledExplicit = compileList(result, 'explicit');
result.compiledTypeMap = compileMap(result.compiledImplicit, result.compiledExplicit);
return result;
};
var schema = Schema$1;
var str = new type('tag:yaml.org,2002:str', {
kind: 'scalar',
construct: function (data) { return data !== null ? data : ''; }
});
var seq = new type('tag:yaml.org,2002:seq', {
kind: 'sequence',
construct: function (data) { return data !== null ? data : []; }
});
var map = new type('tag:yaml.org,2002:map', {
kind: 'mapping',
construct: function (data) { return data !== null ? data : {}; }
});
var failsafe = new schema({
explicit: [
str,
seq,
map
]
});
function resolveYamlNull(data) {
if (data === null) return true;
var max = data.length;
return (max === 1 && data === '~') ||
(max === 4 && (data === 'null' || data === 'Null' || data === 'NULL'));
}
function constructYamlNull() {
return null;
}
function isNull(object) {
return object === null;
}
var _null = new type('tag:yaml.org,2002:null', {
kind: 'scalar',
resolve: resolveYamlNull,
construct: constructYamlNull,
predicate: isNull,
represent: {
canonical: function () { return '~'; },
lowercase: function () { return 'null'; },
uppercase: function () { return 'NULL'; },
camelcase: function () { return 'Null'; },
empty: function () { return ''; }
},
defaultStyle: 'lowercase'
});
function resolveYamlBoolean(data) {
if (data === null) return false;
var max = data.length;
return (max === 4 && (data === 'true' || data === 'True' || data === 'TRUE')) ||
(max === 5 && (data === 'false' || data === 'False' || data === 'FALSE'));
}
function constructYamlBoolean(data) {
return data === 'true' ||
data === 'True' ||
data === 'TRUE';
}
function isBoolean(object) {
return Object.prototype.toString.call(object) === '[object Boolean]';
}
var bool = new type('tag:yaml.org,2002:bool', {
kind: 'scalar',
resolve: resolveYamlBoolean,
construct: constructYamlBoolean,
predicate: isBoolean,
represent: {
lowercase: function (object) { return object ? 'true' : 'false'; },
uppercase: function (object) { return object ? 'TRUE' : 'FALSE'; },
camelcase: function (object) { return object ? 'True' : 'False'; }
},
defaultStyle: 'lowercase'
});
function isHexCode(c) {
return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) ||
((0x41/* A */ <= c) && (c <= 0x46/* F */)) ||
((0x61/* a */ <= c) && (c <= 0x66/* f */));
}
function isOctCode(c) {
return ((0x30/* 0 */ <= c) && (c <= 0x37/* 7 */));
}
function isDecCode(c) {
return ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */));
}
function resolveYamlInteger(data) {
if (data === null) return false;
var max = data.length,
index = 0,
hasDigits = false,
ch;
if (!max) return false;
ch = data[index];
// sign
if (ch === '-' || ch === '+') {
ch = data[++index];
}
if (ch === '0') {
// 0
if (index + 1 === max) return true;
ch = data[++index];
// base 2, base 8, base 16
if (ch === 'b') {
// base 2
index++;
for (; index < max; index++) {
ch = data[index];
if (ch === '_') continue;
if (ch !== '0' && ch !== '1') return false;
hasDigits = true;
}
return hasDigits && ch !== '_';
}
if (ch === 'x') {
// base 16
index++;
for (; index < max; index++) {
ch = data[index];
if (ch === '_') continue;
if (!isHexCode(data.charCodeAt(index))) return false;
hasDigits = true;
}
return hasDigits && ch !== '_';
}
if (ch === 'o') {
// base 8
index++;
for (; index < max; index++) {
ch = data[index];
if (ch === '_') continue;
if (!isOctCode(data.charCodeAt(index))) return false;
hasDigits = true;
}
return hasDigits && ch !== '_';
}
}
// base 10 (except 0)
// value should not start with `_`;
if (ch === '_') return false;
for (; index < max; index++) {
ch = data[index];
if (ch === '_') continue;
if (!isDecCode(data.charCodeAt(index))) {
return false;
}
hasDigits = true;
}
// Should have digits and should not end with `_`
if (!hasDigits || ch === '_') return false;
return true;
}
function constructYamlInteger(data) {
var value = data, sign = 1, ch;
if (value.indexOf('_') !== -1) {
value = value.replace(/_/g, '');
}
ch = value[0];
if (ch === '-' || ch === '+') {
if (ch === '-') sign = -1;
value = value.slice(1);
ch = value[0];
}
if (value === '0') return 0;
if (ch === '0') {
if (value[1] === 'b') return sign * parseInt(value.slice(2), 2);
if (value[1] === 'x') return sign * parseInt(value.slice(2), 16);
if (value[1] === 'o') return sign * parseInt(value.slice(2), 8);
}
return sign * parseInt(value, 10);
}
function isInteger(object) {
return (Object.prototype.toString.call(object)) === '[object Number]' &&
(object % 1 === 0 && !common.isNegativeZero(object));
}
var int = new type('tag:yaml.org,2002:int', {
kind: 'scalar',
resolve: resolveYamlInteger,
construct: constructYamlInteger,
predicate: isInteger,
represent: {
binary: function (obj) { return obj >= 0 ? '0b' + obj.toString(2) : '-0b' + obj.toString(2).slice(1); },
octal: function (obj) { return obj >= 0 ? '0o' + obj.toString(8) : '-0o' + obj.toString(8).slice(1); },
decimal: function (obj) { return obj.toString(10); },
/* eslint-disable max-len */
hexadecimal: function (obj) { return obj >= 0 ? '0x' + obj.toString(16).toUpperCase() : '-0x' + obj.toString(16).toUpperCase().slice(1); }
},
defaultStyle: 'decimal',
styleAliases: {
binary: [ 2, 'bin' ],
octal: [ 8, 'oct' ],
decimal: [ 10, 'dec' ],
hexadecimal: [ 16, 'hex' ]
}
});
var YAML_FLOAT_PATTERN = new RegExp(
// 2.5e4, 2.5 and integers
'^(?:[-+]?(?:[0-9][0-9_]*)(?:\\.[0-9_]*)?(?:[eE][-+]?[0-9]+)?' +
// .2e4, .2
// special case, seems not from spec
'|\\.[0-9_]+(?:[eE][-+]?[0-9]+)?' +
// .inf
'|[-+]?\\.(?:inf|Inf|INF)' +
// .nan
'|\\.(?:nan|NaN|NAN))$');
function resolveYamlFloat(data) {
if (data === null) return false;
if (!YAML_FLOAT_PATTERN.test(data) ||
// Quick hack to not allow integers end with `_`
// Probably should update regexp & check speed
data[data.length - 1] === '_') {
return false;
}
return true;
}
function constructYamlFloat(data) {
var value, sign;
value = data.replace(/_/g, '').toLowerCase();
sign = value[0] === '-' ? -1 : 1;
if ('+-'.indexOf(value[0]) >= 0) {
value = value.slice(1);
}
if (value === '.inf') {
return (sign === 1) ? Number.POSITIVE_INFINITY : Number.NEGATIVE_INFINITY;
} else if (value === '.nan') {
return NaN;
}
return sign * parseFloat(value, 10);
}
var SCIENTIFIC_WITHOUT_DOT = /^[-+]?[0-9]+e/;
function representYamlFloat(object, style) {
var res;
if (isNaN(object)) {
switch (style) {
case 'lowercase': return '.nan';
case 'uppercase': return '.NAN';
case 'camelcase': return '.NaN';
}
} else if (Number.POSITIVE_INFINITY === object) {
switch (style) {
case 'lowercase': return '.inf';
case 'uppercase': return '.INF';
case 'camelcase': return '.Inf';
}
} else if (Number.NEGATIVE_INFINITY === object) {
switch (style) {
case 'lowercase': return '-.inf';
case 'uppercase': return '-.INF';
case 'camelcase': return '-.Inf';
}
} else if (common.isNegativeZero(object)) {
return '-0.0';
}
res = object.toString(10);
// JS stringifier can build scientific format without dots: 5e-100,
// while YAML requres dot: 5.e-100. Fix it with simple hack
return SCIENTIFIC_WITHOUT_DOT.test(res) ? res.replace('e', '.e') : res;
}
function isFloat(object) {
return (Object.prototype.toString.call(object) === '[object Number]') &&
(object % 1 !== 0 || common.isNegativeZero(object));
}
var float = new type('tag:yaml.org,2002:float', {
kind: 'scalar',
resolve: resolveYamlFloat,
construct: constructYamlFloat,
predicate: isFloat,
represent: representYamlFloat,
defaultStyle: 'lowercase'
});
var json = failsafe.extend({
implicit: [
_null,
bool,
int,
float
]
});
var core = json;
var YAML_DATE_REGEXP = new RegExp(
'^([0-9][0-9][0-9][0-9])' + // [1] year
'-([0-9][0-9])' + // [2] month
'-([0-9][0-9])$'); // [3] day
var YAML_TIMESTAMP_REGEXP = new RegExp(
'^([0-9][0-9][0-9][0-9])' + // [1] year
'-([0-9][0-9]?)' + // [2] month
'-([0-9][0-9]?)' + // [3] day
'(?:[Tt]|[ \\t]+)' + // ...
'([0-9][0-9]?)' + // [4] hour
':([0-9][0-9])' + // [5] minute
':([0-9][0-9])' + // [6] second
'(?:\\.([0-9]*))?' + // [7] fraction
'(?:[ \\t]*(Z|([-+])([0-9][0-9]?)' + // [8] tz [9] tz_sign [10] tz_hour
'(?::([0-9][0-9]))?))?$'); // [11] tz_minute
function resolveYamlTimestamp(data) {
if (data === null) return false;
if (YAML_DATE_REGEXP.exec(data) !== null) return true;
if (YAML_TIMESTAMP_REGEXP.exec(data) !== null) return true;
return false;
}
function constructYamlTimestamp(data) {
var match, year, month, day, hour, minute, second, fraction = 0,
delta = null, tz_hour, tz_minute, date;
match = YAML_DATE_REGEXP.exec(data);
if (match === null) match = YAML_TIMESTAMP_REGEXP.exec(data);
if (match === null) throw new Error('Date resolve error');
// match: [1] year [2] month [3] day
year = +(match[1]);
month = +(match[2]) - 1; // JS month starts with 0
day = +(match[3]);
if (!match[4]) { // no hour
return new Date(Date.UTC(year, month, day));
}
// match: [4] hour [5] minute [6] second [7] fraction
hour = +(match[4]);
minute = +(match[5]);
second = +(match[6]);
if (match[7]) {
fraction = match[7].slice(0, 3);
while (fraction.length < 3) { // milli-seconds
fraction += '0';
}
fraction = +fraction;
}
// match: [8] tz [9] tz_sign [10] tz_hour [11] tz_minute
if (match[9]) {
tz_hour = +(match[10]);
tz_minute = +(match[11] || 0);
delta = (tz_hour * 60 + tz_minute) * 60000; // delta in mili-seconds
if (match[9] === '-') delta = -delta;
}
date = new Date(Date.UTC(year, month, day, hour, minute, second, fraction));
if (delta) date.setTime(date.getTime() - delta);
return date;
}
function representYamlTimestamp(object /*, style*/) {
return object.toISOString();
}
var timestamp = new type('tag:yaml.org,2002:timestamp', {
kind: 'scalar',
resolve: resolveYamlTimestamp,
construct: constructYamlTimestamp,
instanceOf: Date,
represent: representYamlTimestamp
});
function resolveYamlMerge(data) {
return data === '<<' || data === null;
}
var merge = new type('tag:yaml.org,2002:merge', {
kind: 'scalar',
resolve: resolveYamlMerge
});
/*eslint-disable no-bitwise*/
// [ 64, 65, 66 ] -> [ padding, CR, LF ]
var BASE64_MAP = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=\n\r';
function resolveYamlBinary(data) {
if (data === null) return false;
var code, idx, bitlen = 0, max = data.length, map = BASE64_MAP;
// Convert one by one.
for (idx = 0; idx < max; idx++) {
code = map.indexOf(data.charAt(idx));
// Skip CR/LF
if (code > 64) continue;
// Fail on illegal characters
if (code < 0) return false;
bitlen += 6;
}
// If there are any bits left, source was corrupted
return (bitlen % 8) === 0;
}
function constructYamlBinary(data) {
var idx, tailbits,
input = data.replace(/[\r\n=]/g, ''), // remove CR/LF & padding to simplify scan
max = input.length,
map = BASE64_MAP,
bits = 0,
result = [];
// Collect by 6*4 bits (3 bytes)
for (idx = 0; idx < max; idx++) {
if ((idx % 4 === 0) && idx) {
result.push((bits >> 16) & 0xFF);
result.push((bits >> 8) & 0xFF);
result.push(bits & 0xFF);
}
bits = (bits << 6) | map.indexOf(input.charAt(idx));
}
// Dump tail
tailbits = (max % 4) * 6;
if (tailbits === 0) {
result.push((bits >> 16) & 0xFF);
result.push((bits >> 8) & 0xFF);
result.push(bits & 0xFF);
} else if (tailbits === 18) {
result.push((bits >> 10) & 0xFF);
result.push((bits >> 2) & 0xFF);
} else if (tailbits === 12) {
result.push((bits >> 4) & 0xFF);
}
return new Uint8Array(result);
}
function representYamlBinary(object /*, style*/) {
var result = '', bits = 0, idx, tail,
max = object.length,
map = BASE64_MAP;
// Convert every three bytes to 4 ASCII characters.
for (idx = 0; idx < max; idx++) {
if ((idx % 3 === 0) && idx) {
result += map[(bits >> 18) & 0x3F];
result += map[(bits >> 12) & 0x3F];
result += map[(bits >> 6) & 0x3F];
result += map[bits & 0x3F];
}
bits = (bits << 8) + object[idx];
}
// Dump tail
tail = max % 3;
if (tail === 0) {
result += map[(bits >> 18) & 0x3F];
result += map[(bits >> 12) & 0x3F];
result += map[(bits >> 6) & 0x3F];
result += map[bits & 0x3F];
} else if (tail === 2) {
result += map[(bits >> 10) & 0x3F];
result += map[(bits >> 4) & 0x3F];
result += map[(bits << 2) & 0x3F];
result += map[64];
} else if (tail === 1) {
result += map[(bits >> 2) & 0x3F];
result += map[(bits << 4) & 0x3F];
result += map[64];
result += map[64];
}
return result;
}
function isBinary(obj) {
return Object.prototype.toString.call(obj) === '[object Uint8Array]';
}
var binary = new type('tag:yaml.org,2002:binary', {
kind: 'scalar',
resolve: resolveYamlBinary,
construct: constructYamlBinary,
predicate: isBinary,
represent: representYamlBinary
});
var _hasOwnProperty$3 = Object.prototype.hasOwnProperty;
var _toString$2 = Object.prototype.toString;
function resolveYamlOmap(data) {
if (data === null) return true;
var objectKeys = [], index, length, pair, pairKey, pairHasKey,
object = data;
for (index = 0, length = object.length; index < length; index += 1) {
pair = object[index];
pairHasKey = false;
if (_toString$2.call(pair) !== '[object Object]') return false;
for (pairKey in pair) {
if (_hasOwnProperty$3.call(pair, pairKey)) {
if (!pairHasKey) pairHasKey = true;
else return false;
}
}
if (!pairHasKey) return false;
if (objectKeys.indexOf(pairKey) === -1) objectKeys.push(pairKey);
else return false;
}
return true;
}
function constructYamlOmap(data) {
return data !== null ? data : [];
}
var omap = new type('tag:yaml.org,2002:omap', {
kind: 'sequence',
resolve: resolveYamlOmap,
construct: constructYamlOmap
});
var _toString$1 = Object.prototype.toString;
function resolveYamlPairs(data) {
if (data === null) return true;
var index, length, pair, keys, result,
object = data;
result = new Array(object.length);
for (index = 0, length = object.length; index < length; index += 1) {
pair = object[index];
if (_toString$1.call(pair) !== '[object Object]') return false;
keys = Object.keys(pair);
if (keys.length !== 1) return false;
result[index] = [ keys[0], pair[keys[0]] ];
}
return true;
}
function constructYamlPairs(data) {
if (data === null) return [];
var index, length, pair, keys, result,
object = data;
result = new Array(object.length);
for (index = 0, length = object.length; index < length; index += 1) {
pair = object[index];
keys = Object.keys(pair);
result[index] = [ keys[0], pair[keys[0]] ];
}
return result;
}
var pairs = new type('tag:yaml.org,2002:pairs', {
kind: 'sequence',
resolve: resolveYamlPairs,
construct: constructYamlPairs
});
var _hasOwnProperty$2 = Object.prototype.hasOwnProperty;
function resolveYamlSet(data) {
if (data === null) return true;
var key, object = data;
for (key in object) {
if (_hasOwnProperty$2.call(object, key)) {
if (object[key] !== null) return false;
}
}
return true;
}
function constructYamlSet(data) {
return data !== null ? data : {};
}
var set = new type('tag:yaml.org,2002:set', {
kind: 'mapping',
resolve: resolveYamlSet,
construct: constructYamlSet
});
var _default = core.extend({
implicit: [
timestamp,
merge
],
explicit: [
binary,
omap,
pairs,
set
]
});
/*eslint-disable max-len,no-use-before-define*/
var _hasOwnProperty$1 = Object.prototype.hasOwnProperty;
var CONTEXT_FLOW_IN = 1;
var CONTEXT_FLOW_OUT = 2;
var CONTEXT_BLOCK_IN = 3;
var CONTEXT_BLOCK_OUT = 4;
var CHOMPING_CLIP = 1;
var CHOMPING_STRIP = 2;
var CHOMPING_KEEP = 3;
var PATTERN_NON_PRINTABLE = /[\x00-\x08\x0B\x0C\x0E-\x1F\x7F-\x84\x86-\x9F\uFFFE\uFFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
var PATTERN_NON_ASCII_LINE_BREAKS = /[\x85\u2028\u2029]/;
var PATTERN_FLOW_INDICATORS = /[,\[\]\{\}]/;
var PATTERN_TAG_HANDLE = /^(?:!|!!|![a-z\-]+!)$/i;
var PATTERN_TAG_URI = /^(?:!|[^,\[\]\{\}])(?:%[0-9a-f]{2}|[0-9a-z\-#;\/\?:@&=\+\$,_\.!~\*'\(\)\[\]])*$/i;
function _class(obj) { return Object.prototype.toString.call(obj); }
function is_EOL(c) {
return (c === 0x0A/* LF */) || (c === 0x0D/* CR */);
}
function is_WHITE_SPACE(c) {
return (c === 0x09/* Tab */) || (c === 0x20/* Space */);
}
function is_WS_OR_EOL(c) {
return (c === 0x09/* Tab */) ||
(c === 0x20/* Space */) ||
(c === 0x0A/* LF */) ||
(c === 0x0D/* CR */);
}
function is_FLOW_INDICATOR(c) {
return c === 0x2C/* , */ ||
c === 0x5B/* [ */ ||
c === 0x5D/* ] */ ||
c === 0x7B/* { */ ||
c === 0x7D/* } */;
}
function fromHexCode(c) {
var lc;
if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
return c - 0x30;
}
/*eslint-disable no-bitwise*/
lc = c | 0x20;
if ((0x61/* a */ <= lc) && (lc <= 0x66/* f */)) {
return lc - 0x61 + 10;
}
return -1;
}
function escapedHexLen(c) {
if (c === 0x78/* x */) { return 2; }
if (c === 0x75/* u */) { return 4; }
if (c === 0x55/* U */) { return 8; }
return 0;
}
function fromDecimalCode(c) {
if ((0x30/* 0 */ <= c) && (c <= 0x39/* 9 */)) {
return c - 0x30;
}
return -1;
}
function simpleEscapeSequence(c) {
/* eslint-disable indent */
return (c === 0x30/* 0 */) ? '\x00' :
(c === 0x61/* a */) ? '\x07' :
(c === 0x62/* b */) ? '\x08' :
(c === 0x74/* t */) ? '\x09' :
(c === 0x09/* Tab */) ? '\x09' :
(c === 0x6E/* n */) ? '\x0A' :
(c === 0x76/* v */) ? '\x0B' :
(c === 0x66/* f */) ? '\x0C' :
(c === 0x72/* r */) ? '\x0D' :
(c === 0x65/* e */) ? '\x1B' :
(c === 0x20/* Space */) ? ' ' :
(c === 0x22/* " */) ? '\x22' :
(c === 0x2F/* / */) ? '/' :
(c === 0x5C/* \ */) ? '\x5C' :
(c === 0x4E/* N */) ? '\x85' :
(c === 0x5F/* _ */) ? '\xA0' :
(c === 0x4C/* L */) ? '\u2028' :
(c === 0x50/* P */) ? '\u2029' : '';
}
function charFromCodepoint(c) {
if (c <= 0xFFFF) {
return String.fromCharCode(c);
}
// Encode UTF-16 surrogate pair
// https://en.wikipedia.org/wiki/UTF-16#Code_points_U.2B010000_to_U.2B10FFFF
return String.fromCharCode(
((c - 0x010000) >> 10) + 0xD800,
((c - 0x010000) & 0x03FF) + 0xDC00
);
}
var simpleEscapeCheck = new Array(256); // integer, for fast access
var simpleEscapeMap = new Array(256);
for (var i = 0; i < 256; i++) {
simpleEscapeCheck[i] = simpleEscapeSequence(i) ? 1 : 0;
simpleEscapeMap[i] = simpleEscapeSequence(i);
}
function State$1(input, options) {
this.input = input;
this.filename = options['filename'] || null;
this.schema = options['schema'] || _default;
this.onWarning = options['onWarning'] || null;
// (Hidden) Remove? makes the loader to expect YAML 1.1 documents
// if such documents have no explicit %YAML directive
this.legacy = options['legacy'] || false;
this.json = options['json'] || false;
this.listener = options['listener'] || null;
this.implicitTypes = this.schema.compiledImplicit;
this.typeMap = this.schema.compiledTypeMap;
this.length = input.length;
this.position = 0;
this.line = 0;
this.lineStart = 0;
this.lineIndent = 0;
// position of first leading tab in the current line,
// used to make sure there are no tabs in the indentation
this.firstTabInLine = -1;
this.documents = [];
/*
this.version;
this.checkLineBreaks;
this.tagMap;
this.anchorMap;
this.tag;
this.anchor;
this.kind;
this.result;*/
}
function generateError(state, message) {
var mark = {
name: state.filename,
buffer: state.input.slice(0, -1), // omit trailing \0
position: state.position,
line: state.line,
column: state.position - state.lineStart
};
mark.snippet = snippet(mark);
return new exception(message, mark);
}
function throwError(state, message) {
throw generateError(state, message);
}
function throwWarning(state, message) {
if (state.onWarning) {
state.onWarning.call(null, generateError(state, message));
}
}
var directiveHandlers = {
YAML: function handleYamlDirective(state, name, args) {
var match, major, minor;
if (state.version !== null) {
throwError(state, 'duplication of %YAML directive');
}
if (args.length !== 1) {
throwError(state, 'YAML directive accepts exactly one argument');
}
match = /^([0-9]+)\.([0-9]+)$/.exec(args[0]);
if (match === null) {
throwError(state, 'ill-formed argument of the YAML directive');
}
major = parseInt(match[1], 10);
minor = parseInt(match[2], 10);
if (major !== 1) {
throwError(state, 'unacceptable YAML version of the document');
}
state.version = args[0];
state.checkLineBreaks = (minor < 2);
if (minor !== 1 && minor !== 2) {
throwWarning(state, 'unsupported YAML version of the document');
}
},
TAG: function handleTagDirective(state, name, args) {
var handle, prefix;
if (args.length !== 2) {
throwError(state, 'TAG directive accepts exactly two arguments');
}
handle = args[0];
prefix = args[1];
if (!PATTERN_TAG_HANDLE.test(handle)) {
throwError(state, 'ill-formed tag handle (first argument) of the TAG directive');
}
if (_hasOwnProperty$1.call(state.tagMap, handle)) {
throwError(state, 'there is a previously declared suffix for "' + handle + '" tag handle');
}
if (!PATTERN_TAG_URI.test(prefix)) {
throwError(state, 'ill-formed tag prefix (second argument) of the TAG directive');
}
try {
prefix = decodeURIComponent(prefix);
} catch (err) {
throwError(state, 'tag prefix is malformed: ' + prefix);
}
state.tagMap[handle] = prefix;
}
};
function captureSegment(state, start, end, checkJson) {
var _position, _length, _character, _result;
if (start < end) {
_result = state.input.slice(start, end);
if (checkJson) {
for (_position = 0, _length = _result.length; _position < _length; _position += 1) {
_character = _result.charCodeAt(_position);
if (!(_character === 0x09 ||
(0x20 <= _character && _character <= 0x10FFFF))) {
throwError(state, 'expected valid JSON character');
}
}
} else if (PATTERN_NON_PRINTABLE.test(_result)) {
throwError(state, 'the stream contains non-printable characters');
}
state.result += _result;
}
}
function mergeMappings(state, destination, source, overridableKeys) {
var sourceKeys, key, index, quantity;
if (!common.isObject(source)) {
throwError(state, 'cannot merge mappings; the provided source object is unacceptable');
}
sourceKeys = Object.keys(source);
for (index = 0, quantity = sourceKeys.length; index < quantity; index += 1) {
key = sourceKeys[index];
if (!_hasOwnProperty$1.call(destination, key)) {
destination[key] = source[key];
overridableKeys[key] = true;
}
}
}
function storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode,
startLine, startLineStart, startPos) {
var index, quantity;
// The output is a plain object here, so keys can only be strings.
// We need to convert keyNode to a string, but doing so can hang the process
// (deeply nested arrays that explode exponentially using aliases).
if (Array.isArray(keyNode)) {
keyNode = Array.prototype.slice.call(keyNode);
for (index = 0, quantity = keyNode.length; index < quantity; index += 1) {
if (Array.isArray(keyNode[index])) {
throwError(state, 'nested arrays are not supported inside keys');
}
if (typeof keyNode === 'object' && _class(keyNode[index]) === '[object Object]') {
keyNode[index] = '[object Object]';
}
}
}
// Avoid code execution in load() via toString property
// (still use its own toString for arrays, timestamps,
// and whatever user schema extensions happen to have @@toStringTag)
if (typeof keyNode === 'object' && _class(keyNode) === '[object Object]') {
keyNode = '[object Object]';
}
keyNode = String(keyNode);
if (_result === null) {
_result = {};
}
if (keyTag === 'tag:yaml.org,2002:merge') {
if (Array.isArray(valueNode)) {
for (index = 0, quantity = valueNode.length; index < quantity; index += 1) {
mergeMappings(state, _result, valueNode[index], overridableKeys);
}
} else {
mergeMappings(state, _result, valueNode, overridableKeys);
}
} else {
if (!state.json &&
!_hasOwnProperty$1.call(overridableKeys, keyNode) &&
_hasOwnProperty$1.call(_result, keyNode)) {
state.line = startLine || state.line;
state.lineStart = startLineStart || state.lineStart;
state.position = startPos || state.position;
throwError(state, 'duplicated mapping key');
}
// used for this specific key only because Object.defineProperty is slow
if (keyNode === '__proto__') {
Object.defineProperty(_result, keyNode, {
configurable: true,
enumerable: true,
writable: true,
value: valueNode
});
} else {
_result[keyNode] = valueNode;
}
delete overridableKeys[keyNode];
}
return _result;
}
function readLineBreak(state) {
var ch;
ch = state.input.charCodeAt(state.position);
if (ch === 0x0A/* LF */) {
state.position++;
} else if (ch === 0x0D/* CR */) {
state.position++;
if (state.input.charCodeAt(state.position) === 0x0A/* LF */) {
state.position++;
}
} else {
throwError(state, 'a line break is expected');
}
state.line += 1;
state.lineStart = state.position;
state.firstTabInLine = -1;
}
function skipSeparationSpace(state, allowComments, checkIndent) {
var lineBreaks = 0,
ch = state.input.charCodeAt(state.position);
while (ch !== 0) {
while (is_WHITE_SPACE(ch)) {
if (ch === 0x09/* Tab */ && state.firstTabInLine === -1) {
state.firstTabInLine = state.position;
}
ch = state.input.charCodeAt(++state.position);
}
if (allowComments && ch === 0x23/* # */) {
do {
ch = state.input.charCodeAt(++state.position);
} while (ch !== 0x0A/* LF */ && ch !== 0x0D/* CR */ && ch !== 0);
}
if (is_EOL(ch)) {
readLineBreak(state);
ch = state.input.charCodeAt(state.position);
lineBreaks++;
state.lineIndent = 0;
while (ch === 0x20/* Space */) {
state.lineIndent++;
ch = state.input.charCodeAt(++state.position);
}
} else {
break;
}
}
if (checkIndent !== -1 && lineBreaks !== 0 && state.lineIndent < checkIndent) {
throwWarning(state, 'deficient indentation');
}
return lineBreaks;
}
function testDocumentSeparator(state) {
var _position = state.position,
ch;
ch = state.input.charCodeAt(_position);
// Condition state.position === state.lineStart is tested
// in parent on each call, for efficiency. No needs to test here again.
if ((ch === 0x2D/* - */ || ch === 0x2E/* . */) &&
ch === state.input.charCodeAt(_position + 1) &&
ch === state.input.charCodeAt(_position + 2)) {
_position += 3;
ch = state.input.charCodeAt(_position);
if (ch === 0 || is_WS_OR_EOL(ch)) {
return true;
}
}
return false;
}
function writeFoldedLines(state, count) {
if (count === 1) {
state.result += ' ';
} else if (count > 1) {
state.result += common.repeat('\n', count - 1);
}
}
function readPlainScalar(state, nodeIndent, withinFlowCollection) {
var preceding,
following,
captureStart,
captureEnd,
hasPendingContent,
_line,
_lineStart,
_lineIndent,
_kind = state.kind,
_result = state.result,
ch;
ch = state.input.charCodeAt(state.position);
if (is_WS_OR_EOL(ch) ||
is_FLOW_INDICATOR(ch) ||
ch === 0x23/* # */ ||
ch === 0x26/* & */ ||
ch === 0x2A/* * */ ||
ch === 0x21/* ! */ ||
ch === 0x7C/* | */ ||
ch === 0x3E/* > */ ||
ch === 0x27/* ' */ ||
ch === 0x22/* " */ ||
ch === 0x25/* % */ ||
ch === 0x40/* @ */ ||
ch === 0x60/* ` */) {
return false;
}
if (ch === 0x3F/* ? */ || ch === 0x2D/* - */) {
following = state.input.charCodeAt(state.position + 1);
if (is_WS_OR_EOL(following) ||
withinFlowCollection && is_FLOW_INDICATOR(following)) {
return false;
}
}
state.kind = 'scalar';
state.result = '';
captureStart = captureEnd = state.position;
hasPendingContent = false;
while (ch !== 0) {
if (ch === 0x3A/* : */) {
following = state.input.charCodeAt(state.position + 1);
if (is_WS_OR_EOL(following) ||
withinFlowCollection && is_FLOW_INDICATOR(following)) {
break;
}
} else if (ch === 0x23/* # */) {
preceding = state.input.charCodeAt(state.position - 1);
if (is_WS_OR_EOL(preceding)) {
break;
}
} else if ((state.position === state.lineStart && testDocumentSeparator(state)) ||
withinFlowCollection && is_FLOW_INDICATOR(ch)) {
break;
} else if (is_EOL(ch)) {
_line = state.line;
_lineStart = state.lineStart;
_lineIndent = state.lineIndent;
skipSeparationSpace(state, false, -1);
if (state.lineIndent >= nodeIndent) {
hasPendingContent = true;
ch = state.input.charCodeAt(state.position);
continue;
} else {
state.position = captureEnd;
state.line = _line;
state.lineStart = _lineStart;
state.lineIndent = _lineIndent;
break;
}
}
if (hasPendingContent) {
captureSegment(state, captureStart, captureEnd, false);
writeFoldedLines(state, state.line - _line);
captureStart = captureEnd = state.position;
hasPendingContent = false;
}
if (!is_WHITE_SPACE(ch)) {
captureEnd = state.position + 1;
}
ch = state.input.charCodeAt(++state.position);
}
captureSegment(state, captureStart, captureEnd, false);
if (state.result) {
return true;
}
state.kind = _kind;
state.result = _result;
return false;
}
function readSingleQuotedScalar(state, nodeIndent) {
var ch,
captureStart, captureEnd;
ch = state.input.charCodeAt(state.position);
if (ch !== 0x27/* ' */) {
return false;
}
state.kind = 'scalar';
state.result = '';
state.position++;
captureStart = captureEnd = state.position;
while ((ch = state.input.charCodeAt(state.position)) !== 0) {
if (ch === 0x27/* ' */) {
captureSegment(state, captureStart, state.position, true);
ch = state.input.charCodeAt(++state.position);
if (ch === 0x27/* ' */) {
captureStart = state.position;
state.position++;
captureEnd = state.position;
} else {
return true;
}
} else if (is_EOL(ch)) {
captureSegment(state, captureStart, captureEnd, true);
writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
captureStart = captureEnd = state.position;
} else if (state.position === state.lineStart && testDocumentSeparator(state)) {
throwError(state, 'unexpected end of the document within a single quoted scalar');
} else {
state.position++;
captureEnd = state.position;
}
}
throwError(state, 'unexpected end of the stream within a single quoted scalar');
}
function readDoubleQuotedScalar(state, nodeIndent) {
var captureStart,
captureEnd,
hexLength,
hexResult,
tmp,
ch;
ch = state.input.charCodeAt(state.position);
if (ch !== 0x22/* " */) {
return false;
}
state.kind = 'scalar';
state.result = '';
state.position++;
captureStart = captureEnd = state.position;
while ((ch = state.input.charCodeAt(state.position)) !== 0) {
if (ch === 0x22/* " */) {
captureSegment(state, captureStart, state.position, true);
state.position++;
return true;
} else if (ch === 0x5C/* \ */) {
captureSegment(state, captureStart, state.position, true);
ch = state.input.charCodeAt(++state.position);
if (is_EOL(ch)) {
skipSeparationSpace(state, false, nodeIndent);
// TODO: rework to inline fn with no type cast?
} else if (ch < 256 && simpleEscapeCheck[ch]) {
state.result += simpleEscapeMap[ch];
state.position++;
} else if ((tmp = escapedHexLen(ch)) > 0) {
hexLength = tmp;
hexResult = 0;
for (; hexLength > 0; hexLength--) {
ch = state.input.charCodeAt(++state.position);
if ((tmp = fromHexCode(ch)) >= 0) {
hexResult = (hexResult << 4) + tmp;
} else {
throwError(state, 'expected hexadecimal character');
}
}
state.result += charFromCodepoint(hexResult);
state.position++;
} else {
throwError(state, 'unknown escape sequence');
}
captureStart = captureEnd = state.position;
} else if (is_EOL(ch)) {
captureSegment(state, captureStart, captureEnd, true);
writeFoldedLines(state, skipSeparationSpace(state, false, nodeIndent));
captureStart = captureEnd = state.position;
} else if (state.position === state.lineStart && testDocumentSeparator(state)) {
throwError(state, 'unexpected end of the document within a double quoted scalar');
} else {
state.position++;
captureEnd = state.position;
}
}
throwError(state, 'unexpected end of the stream within a double quoted scalar');
}
function readFlowCollection(state, nodeIndent) {
var readNext = true,
_line,
_lineStart,
_pos,
_tag = state.tag,
_result,
_anchor = state.anchor,
following,
terminator,
isPair,
isExplicitPair,
isMapping,
overridableKeys = Object.create(null),
keyNode,
keyTag,
valueNode,
ch;
ch = state.input.charCodeAt(state.position);
if (ch === 0x5B/* [ */) {
terminator = 0x5D;/* ] */
isMapping = false;
_result = [];
} else if (ch === 0x7B/* { */) {
terminator = 0x7D;/* } */
isMapping = true;
_result = {};
} else {
return false;
}
if (state.anchor !== null) {
state.anchorMap[state.anchor] = _result;
}
ch = state.input.charCodeAt(++state.position);
while (ch !== 0) {
skipSeparationSpace(state, true, nodeIndent);
ch = state.input.charCodeAt(state.position);
if (ch === terminator) {
state.position++;
state.tag = _tag;
state.anchor = _anchor;
state.kind = isMapping ? 'mapping' : 'sequence';
state.result = _result;
return true;
} else if (!readNext) {
throwError(state, 'missed comma between flow collection entries');
} else if (ch === 0x2C/* , */) {
// "flow collection entries can never be completely empty", as per YAML 1.2, section 7.4
throwError(state, "expected the node content, but found ','");
}
keyTag = keyNode = valueNode = null;
isPair = isExplicitPair = false;
if (ch === 0x3F/* ? */) {
following = state.input.charCodeAt(state.position + 1);
if (is_WS_OR_EOL(following)) {
isPair = isExplicitPair = true;
state.position++;
skipSeparationSpace(state, true, nodeIndent);
}
}
_line = state.line; // Save the current line.
_lineStart = state.lineStart;
_pos = state.position;
composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
keyTag = state.tag;
keyNode = state.result;
skipSeparationSpace(state, true, nodeIndent);
ch = state.input.charCodeAt(state.position);
if ((isExplicitPair || state.line === _line) && ch === 0x3A/* : */) {
isPair = true;
ch = state.input.charCodeAt(++state.position);
skipSeparationSpace(state, true, nodeIndent);
composeNode(state, nodeIndent, CONTEXT_FLOW_IN, false, true);
valueNode = state.result;
}
if (isMapping) {
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos);
} else if (isPair) {
_result.push(storeMappingPair(state, null, overridableKeys, keyTag, keyNode, valueNode, _line, _lineStart, _pos));
} else {
_result.push(keyNode);
}
skipSeparationSpace(state, true, nodeIndent);
ch = state.input.charCodeAt(state.position);
if (ch === 0x2C/* , */) {
readNext = true;
ch = state.input.charCodeAt(++state.position);
} else {
readNext = false;
}
}
throwError(state, 'unexpected end of the stream within a flow collection');
}
function readBlockScalar(state, nodeIndent) {
var captureStart,
folding,
chomping = CHOMPING_CLIP,
didReadContent = false,
detectedIndent = false,
textIndent = nodeIndent,
emptyLines = 0,
atMoreIndented = false,
tmp,
ch;
ch = state.input.charCodeAt(state.position);
if (ch === 0x7C/* | */) {
folding = false;
} else if (ch === 0x3E/* > */) {
folding = true;
} else {
return false;
}
state.kind = 'scalar';
state.result = '';
while (ch !== 0) {
ch = state.input.charCodeAt(++state.position);
if (ch === 0x2B/* + */ || ch === 0x2D/* - */) {
if (CHOMPING_CLIP === chomping) {
chomping = (ch === 0x2B/* + */) ? CHOMPING_KEEP : CHOMPING_STRIP;
} else {
throwError(state, 'repeat of a chomping mode identifier');
}
} else if ((tmp = fromDecimalCode(ch)) >= 0) {
if (tmp === 0) {
throwError(state, 'bad explicit indentation width of a block scalar; it cannot be less than one');
} else if (!detectedIndent) {
textIndent = nodeIndent + tmp - 1;
detectedIndent = true;
} else {
throwError(state, 'repeat of an indentation width identifier');
}
} else {
break;
}
}
if (is_WHITE_SPACE(ch)) {
do { ch = state.input.charCodeAt(++state.position); }
while (is_WHITE_SPACE(ch));
if (ch === 0x23/* # */) {
do { ch = state.input.charCodeAt(++state.position); }
while (!is_EOL(ch) && (ch !== 0));
}
}
while (ch !== 0) {
readLineBreak(state);
state.lineIndent = 0;
ch = state.input.charCodeAt(state.position);
while ((!detectedIndent || state.lineIndent < textIndent) &&
(ch === 0x20/* Space */)) {
state.lineIndent++;
ch = state.input.charCodeAt(++state.position);
}
if (!detectedIndent && state.lineIndent > textIndent) {
textIndent = state.lineIndent;
}
if (is_EOL(ch)) {
emptyLines++;
continue;
}
// End of the scalar.
if (state.lineIndent < textIndent) {
// Perform the chomping.
if (chomping === CHOMPING_KEEP) {
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
} else if (chomping === CHOMPING_CLIP) {
if (didReadContent) { // i.e. only if the scalar is not empty.
state.result += '\n';
}
}
// Break this `while` cycle and go to the funciton's epilogue.
break;
}
// Folded style: use fancy rules to handle line breaks.
if (folding) {
// Lines starting with white space characters (more-indented lines) are not folded.
if (is_WHITE_SPACE(ch)) {
atMoreIndented = true;
// except for the first content line (cf. Example 8.1)
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
// End of more-indented block.
} else if (atMoreIndented) {
atMoreIndented = false;
state.result += common.repeat('\n', emptyLines + 1);
// Just one line break - perceive as the same line.
} else if (emptyLines === 0) {
if (didReadContent) { // i.e. only if we have already read some scalar content.
state.result += ' ';
}
// Several line breaks - perceive as different lines.
} else {
state.result += common.repeat('\n', emptyLines);
}
// Literal style: just add exact number of line breaks between content lines.
} else {
// Keep all line breaks except the header line break.
state.result += common.repeat('\n', didReadContent ? 1 + emptyLines : emptyLines);
}
didReadContent = true;
detectedIndent = true;
emptyLines = 0;
captureStart = state.position;
while (!is_EOL(ch) && (ch !== 0)) {
ch = state.input.charCodeAt(++state.position);
}
captureSegment(state, captureStart, state.position, false);
}
return true;
}
function readBlockSequence(state, nodeIndent) {
var _line,
_tag = state.tag,
_anchor = state.anchor,
_result = [],
following,
detected = false,
ch;
// there is a leading tab before this token, so it can't be a block sequence/mapping;
// it can still be flow sequence/mapping or a scalar
if (state.firstTabInLine !== -1) return false;
if (state.anchor !== null) {
state.anchorMap[state.anchor] = _result;
}
ch = state.input.charCodeAt(state.position);
while (ch !== 0) {
if (state.firstTabInLine !== -1) {
state.position = state.firstTabInLine;
throwError(state, 'tab characters must not be used in indentation');
}
if (ch !== 0x2D/* - */) {
break;
}
following = state.input.charCodeAt(state.position + 1);
if (!is_WS_OR_EOL(following)) {
break;
}
detected = true;
state.position++;
if (skipSeparationSpace(state, true, -1)) {
if (state.lineIndent <= nodeIndent) {
_result.push(null);
ch = state.input.charCodeAt(state.position);
continue;
}
}
_line = state.line;
composeNode(state, nodeIndent, CONTEXT_BLOCK_IN, false, true);
_result.push(state.result);
skipSeparationSpace(state, true, -1);
ch = state.input.charCodeAt(state.position);
if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
throwError(state, 'bad indentation of a sequence entry');
} else if (state.lineIndent < nodeIndent) {
break;
}
}
if (detected) {
state.tag = _tag;
state.anchor = _anchor;
state.kind = 'sequence';
state.result = _result;
return true;
}
return false;
}
function readBlockMapping(state, nodeIndent, flowIndent) {
var following,
allowCompact,
_line,
_keyLine,
_keyLineStart,
_keyPos,
_tag = state.tag,
_anchor = state.anchor,
_result = {},
overridableKeys = Object.create(null),
keyTag = null,
keyNode = null,
valueNode = null,
atExplicitKey = false,
detected = false,
ch;
// there is a leading tab before this token, so it can't be a block sequence/mapping;
// it can still be flow sequence/mapping or a scalar
if (state.firstTabInLine !== -1) return false;
if (state.anchor !== null) {
state.anchorMap[state.anchor] = _result;
}
ch = state.input.charCodeAt(state.position);
while (ch !== 0) {
if (!atExplicitKey && state.firstTabInLine !== -1) {
state.position = state.firstTabInLine;
throwError(state, 'tab characters must not be used in indentation');
}
following = state.input.charCodeAt(state.position + 1);
_line = state.line; // Save the current line.
//
// Explicit notation case. There are two separate blocks:
// first for the key (denoted by "?") and second for the value (denoted by ":")
//
if ((ch === 0x3F/* ? */ || ch === 0x3A/* : */) && is_WS_OR_EOL(following)) {
if (ch === 0x3F/* ? */) {
if (atExplicitKey) {
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);
keyTag = keyNode = valueNode = null;
}
detected = true;
atExplicitKey = true;
allowCompact = true;
} else if (atExplicitKey) {
// i.e. 0x3A/* : */ === character after the explicit key.
atExplicitKey = false;
allowCompact = true;
} else {
throwError(state, 'incomplete explicit mapping pair; a key node is missed; or followed by a non-tabulated empty line');
}
state.position += 1;
ch = following;
//
// Implicit notation case. Flow-style node as the key first, then ":", and the value.
//
} else {
_keyLine = state.line;
_keyLineStart = state.lineStart;
_keyPos = state.position;
if (!composeNode(state, flowIndent, CONTEXT_FLOW_OUT, false, true)) {
// Neither implicit nor explicit notation.
// Reading is done. Go to the epilogue.
break;
}
if (state.line === _line) {
ch = state.input.charCodeAt(state.position);
while (is_WHITE_SPACE(ch)) {
ch = state.input.charCodeAt(++state.position);
}
if (ch === 0x3A/* : */) {
ch = state.input.charCodeAt(++state.position);
if (!is_WS_OR_EOL(ch)) {
throwError(state, 'a whitespace character is expected after the key-value separator within a block mapping');
}
if (atExplicitKey) {
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);
keyTag = keyNode = valueNode = null;
}
detected = true;
atExplicitKey = false;
allowCompact = false;
keyTag = state.tag;
keyNode = state.result;
} else if (detected) {
throwError(state, 'can not read an implicit mapping pair; a colon is missed');
} else {
state.tag = _tag;
state.anchor = _anchor;
return true; // Keep the result of `composeNode`.
}
} else if (detected) {
throwError(state, 'can not read a block mapping entry; a multiline key may not be an implicit key');
} else {
state.tag = _tag;
state.anchor = _anchor;
return true; // Keep the result of `composeNode`.
}
}
//
// Common reading code for both explicit and implicit notations.
//
if (state.line === _line || state.lineIndent > nodeIndent) {
if (atExplicitKey) {
_keyLine = state.line;
_keyLineStart = state.lineStart;
_keyPos = state.position;
}
if (composeNode(state, nodeIndent, CONTEXT_BLOCK_OUT, true, allowCompact)) {
if (atExplicitKey) {
keyNode = state.result;
} else {
valueNode = state.result;
}
}
if (!atExplicitKey) {
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, valueNode, _keyLine, _keyLineStart, _keyPos);
keyTag = keyNode = valueNode = null;
}
skipSeparationSpace(state, true, -1);
ch = state.input.charCodeAt(state.position);
}
if ((state.line === _line || state.lineIndent > nodeIndent) && (ch !== 0)) {
throwError(state, 'bad indentation of a mapping entry');
} else if (state.lineIndent < nodeIndent) {
break;
}
}
//
// Epilogue.
//
// Special case: last mapping's node contains only the key in explicit notation.
if (atExplicitKey) {
storeMappingPair(state, _result, overridableKeys, keyTag, keyNode, null, _keyLine, _keyLineStart, _keyPos);
}
// Expose the resulting mapping.
if (detected) {
state.tag = _tag;
state.anchor = _anchor;
state.kind = 'mapping';
state.result = _result;
}
return detected;
}
function readTagProperty(state) {
var _position,
isVerbatim = false,
isNamed = false,
tagHandle,
tagName,
ch;
ch = state.input.charCodeAt(state.position);
if (ch !== 0x21/* ! */) return false;
if (state.tag !== null) {
throwError(state, 'duplication of a tag property');
}
ch = state.input.charCodeAt(++state.position);
if (ch === 0x3C/* < */) {
isVerbatim = true;
ch = state.input.charCodeAt(++state.position);
} else if (ch === 0x21/* ! */) {
isNamed = true;
tagHandle = '!!';
ch = state.input.charCodeAt(++state.position);
} else {
tagHandle = '!';
}
_position = state.position;
if (isVerbatim) {
do { ch = state.input.charCodeAt(++state.position); }
while (ch !== 0 && ch !== 0x3E/* > */);
if (state.position < state.length) {
tagName = state.input.slice(_position, state.position);
ch = state.input.charCodeAt(++state.position);
} else {
throwError(state, 'unexpected end of the stream within a verbatim tag');
}
} else {
while (ch !== 0 && !is_WS_OR_EOL(ch)) {
if (ch === 0x21/* ! */) {
if (!isNamed) {
tagHandle = state.input.slice(_position - 1, state.position + 1);
if (!PATTERN_TAG_HANDLE.test(tagHandle)) {
throwError(state, 'named tag handle cannot contain such characters');
}
isNamed = true;
_position = state.position + 1;
} else {
throwError(state, 'tag suffix cannot contain exclamation marks');
}
}
ch = state.input.charCodeAt(++state.position);
}
tagName = state.input.slice(_position, state.position);
if (PATTERN_FLOW_INDICATORS.test(tagName)) {
throwError(state, 'tag suffix cannot contain flow indicator characters');
}
}
if (tagName && !PATTERN_TAG_URI.test(tagName)) {
throwError(state, 'tag name cannot contain such characters: ' + tagName);
}
try {
tagName = decodeURIComponent(tagName);
} catch (err) {
throwError(state, 'tag name is malformed: ' + tagName);
}
if (isVerbatim) {
state.tag = tagName;
} else if (_hasOwnProperty$1.call(state.tagMap, tagHandle)) {
state.tag = state.tagMap[tagHandle] + tagName;
} else if (tagHandle === '!') {
state.tag = '!' + tagName;
} else if (tagHandle === '!!') {
state.tag = 'tag:yaml.org,2002:' + tagName;
} else {
throwError(state, 'undeclared tag handle "' + tagHandle + '"');
}
return true;
}
function readAnchorProperty(state) {
var _position,
ch;
ch = state.input.charCodeAt(state.position);
if (ch !== 0x26/* & */) return false;
if (state.anchor !== null) {
throwError(state, 'duplication of an anchor property');
}
ch = state.input.charCodeAt(++state.position);
_position = state.position;
while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
ch = state.input.charCodeAt(++state.position);
}
if (state.position === _position) {
throwError(state, 'name of an anchor node must contain at least one character');
}
state.anchor = state.input.slice(_position, state.position);
return true;
}
function readAlias(state) {
var _position, alias,
ch;
ch = state.input.charCodeAt(state.position);
if (ch !== 0x2A/* * */) return false;
ch = state.input.charCodeAt(++state.position);
_position = state.position;
while (ch !== 0 && !is_WS_OR_EOL(ch) && !is_FLOW_INDICATOR(ch)) {
ch = state.input.charCodeAt(++state.position);
}
if (state.position === _position) {
throwError(state, 'name of an alias node must contain at least one character');
}
alias = state.input.slice(_position, state.position);
if (!_hasOwnProperty$1.call(state.anchorMap, alias)) {
throwError(state, 'unidentified alias "' + alias + '"');
}
state.result = state.anchorMap[alias];
skipSeparationSpace(state, true, -1);
return true;
}
function composeNode(state, parentIndent, nodeContext, allowToSeek, allowCompact) {
var allowBlockStyles,
allowBlockScalars,
allowBlockCollections,
indentStatus = 1, // 1: this>parent, 0: this=parent, -1: this<parent
atNewLine = false,
hasContent = false,
typeIndex,
typeQuantity,
typeList,
type,
flowIndent,
blockIndent;
if (state.listener !== null) {
state.listener('open', state);
}
state.tag = null;
state.anchor = null;
state.kind = null;
state.result = null;
allowBlockStyles = allowBlockScalars = allowBlockCollections =
CONTEXT_BLOCK_OUT === nodeContext ||
CONTEXT_BLOCK_IN === nodeContext;
if (allowToSeek) {
if (skipSeparationSpace(state, true, -1)) {
atNewLine = true;
if (state.lineIndent > parentIndent) {
indentStatus = 1;
} else if (state.lineIndent === parentIndent) {
indentStatus = 0;
} else if (state.lineIndent < parentIndent) {
indentStatus = -1;
}
}
}
if (indentStatus === 1) {
while (readTagProperty(state) || readAnchorProperty(state)) {
if (skipSeparationSpace(state, true, -1)) {
atNewLine = true;
allowBlockCollections = allowBlockStyles;
if (state.lineIndent > parentIndent) {
indentStatus = 1;
} else if (state.lineIndent === parentIndent) {
indentStatus = 0;
} else if (state.lineIndent < parentIndent) {
indentStatus = -1;
}
} else {
allowBlockCollections = false;
}
}
}
if (allowBlockCollections) {
allowBlockCollections = atNewLine || allowCompact;
}
if (indentStatus === 1 || CONTEXT_BLOCK_OUT === nodeContext) {
if (CONTEXT_FLOW_IN === nodeContext || CONTEXT_FLOW_OUT === nodeContext) {
flowIndent = parentIndent;
} else {
flowIndent = parentIndent + 1;
}
blockIndent = state.position - state.lineStart;
if (indentStatus === 1) {
if (allowBlockCollections &&
(readBlockSequence(state, blockIndent) ||
readBlockMapping(state, blockIndent, flowIndent)) ||
readFlowCollection(state, flowIndent)) {
hasContent = true;
} else {
if ((allowBlockScalars && readBlockScalar(state, flowIndent)) ||
readSingleQuotedScalar(state, flowIndent) ||
readDoubleQuotedScalar(state, flowIndent)) {
hasContent = true;
} else if (readAlias(state)) {
hasContent = true;
if (state.tag !== null || state.anchor !== null) {
throwError(state, 'alias node should not have any properties');
}
} else if (readPlainScalar(state, flowIndent, CONTEXT_FLOW_IN === nodeContext)) {
hasContent = true;
if (state.tag === null) {
state.tag = '?';
}
}
if (state.anchor !== null) {
state.anchorMap[state.anchor] = state.result;
}
}
} else if (indentStatus === 0) {
// Special case: block sequences are allowed to have same indentation level as the parent.
// http://www.yaml.org/spec/1.2/spec.html#id2799784
hasContent = allowBlockCollections && readBlockSequence(state, blockIndent);
}
}
if (state.tag === null) {
if (state.anchor !== null) {
state.anchorMap[state.anchor] = state.result;
}
} else if (state.tag === '?') {
// Implicit resolving is not allowed for non-scalar types, and '?'
// non-specific tag is only automatically assigned to plain scalars.
//
// We only need to check kind conformity in case user explicitly assigns '?'
// tag, for example like this: "!<?> [0]"
//
if (state.result !== null && state.kind !== 'scalar') {
throwError(state, 'unacceptable node kind for !<?> tag; it should be "scalar", not "' + state.kind + '"');
}
for (typeIndex = 0, typeQuantity = state.implicitTypes.length; typeIndex < typeQuantity; typeIndex += 1) {
type = state.implicitTypes[typeIndex];
if (type.resolve(state.result)) { // `state.result` updated in resolver if matched
state.result = type.construct(state.result);
state.tag = type.tag;
if (state.anchor !== null) {
state.anchorMap[state.anchor] = state.result;
}
break;
}
}
} else if (state.tag !== '!') {
if (_hasOwnProperty$1.call(state.typeMap[state.kind || 'fallback'], state.tag)) {
type = state.typeMap[state.kind || 'fallback'][state.tag];
} else {
// looking for multi type
type = null;
typeList = state.typeMap.multi[state.kind || 'fallback'];
for (typeIndex = 0, typeQuantity = typeList.length; typeIndex < typeQuantity; typeIndex += 1) {
if (state.tag.slice(0, typeList[typeIndex].tag.length) === typeList[typeIndex].tag) {
type = typeList[typeIndex];
break;
}
}
}
if (!type) {
throwError(state, 'unknown tag !<' + state.tag + '>');
}
if (state.result !== null && type.kind !== state.kind) {
throwError(state, 'unacceptable node kind for !<' + state.tag + '> tag; it should be "' + type.kind + '", not "' + state.kind + '"');
}
if (!type.resolve(state.result, state.tag)) { // `state.result` updated in resolver if matched
throwError(state, 'cannot resolve a node with !<' + state.tag + '> explicit tag');
} else {
state.result = type.construct(state.result, state.tag);
if (state.anchor !== null) {
state.anchorMap[state.anchor] = state.result;
}
}
}
if (state.listener !== null) {
state.listener('close', state);
}
return state.tag !== null || state.anchor !== null || hasContent;
}
function readDocument(state) {
var documentStart = state.position,
_position,
directiveName,
directiveArgs,
hasDirectives = false,
ch;
state.version = null;
state.checkLineBreaks = state.legacy;
state.tagMap = Object.create(null);
state.anchorMap = Object.create(null);
while ((ch = state.input.charCodeAt(state.position)) !== 0) {
skipSeparationSpace(state, true, -1);
ch = state.input.charCodeAt(state.position);
if (state.lineIndent > 0 || ch !== 0x25/* % */) {
break;
}
hasDirectives = true;
ch = state.input.charCodeAt(++state.position);
_position = state.position;
while (ch !== 0 && !is_WS_OR_EOL(ch)) {
ch = state.input.charCodeAt(++state.position);
}
directiveName = state.input.slice(_position, state.position);
directiveArgs = [];
if (directiveName.length < 1) {
throwError(state, 'directive name must not be less than one character in length');
}
while (ch !== 0) {
while (is_WHITE_SPACE(ch)) {
ch = state.input.charCodeAt(++state.position);
}
if (ch === 0x23/* # */) {
do { ch = state.input.charCodeAt(++state.position); }
while (ch !== 0 && !is_EOL(ch));
break;
}
if (is_EOL(ch)) break;
_position = state.position;
while (ch !== 0 && !is_WS_OR_EOL(ch)) {
ch = state.input.charCodeAt(++state.position);
}
directiveArgs.push(state.input.slice(_position, state.position));
}
if (ch !== 0) readLineBreak(state);
if (_hasOwnProperty$1.call(directiveHandlers, directiveName)) {
directiveHandlers[directiveName](state, directiveName, directiveArgs);
} else {
throwWarning(state, 'unknown document directive "' + directiveName + '"');
}
}
skipSeparationSpace(state, true, -1);
if (state.lineIndent === 0 &&
state.input.charCodeAt(state.position) === 0x2D/* - */ &&
state.input.charCodeAt(state.position + 1) === 0x2D/* - */ &&
state.input.charCodeAt(state.position + 2) === 0x2D/* - */) {
state.position += 3;
skipSeparationSpace(state, true, -1);
} else if (hasDirectives) {
throwError(state, 'directives end mark is expected');
}
composeNode(state, state.lineIndent - 1, CONTEXT_BLOCK_OUT, false, true);
skipSeparationSpace(state, true, -1);
if (state.checkLineBreaks &&
PATTERN_NON_ASCII_LINE_BREAKS.test(state.input.slice(documentStart, state.position))) {
throwWarning(state, 'non-ASCII line breaks are interpreted as content');
}
state.documents.push(state.result);
if (state.position === state.lineStart && testDocumentSeparator(state)) {
if (state.input.charCodeAt(state.position) === 0x2E/* . */) {
state.position += 3;
skipSeparationSpace(state, true, -1);
}
return;
}
if (state.position < (state.length - 1)) {
throwError(state, 'end of the stream or a document separator is expected');
} else {
return;
}
}
function loadDocuments(input, options) {
input = String(input);
options = options || {};
if (input.length !== 0) {
// Add tailing `\n` if not exists
if (input.charCodeAt(input.length - 1) !== 0x0A/* LF */ &&
input.charCodeAt(input.length - 1) !== 0x0D/* CR */) {
input += '\n';
}
// Strip BOM
if (input.charCodeAt(0) === 0xFEFF) {
input = input.slice(1);
}
}
var state = new State$1(input, options);
var nullpos = input.indexOf('\0');
if (nullpos !== -1) {
state.position = nullpos;
throwError(state, 'null byte is not allowed in input');
}
// Use 0 as string terminator. That significantly simplifies bounds check.
state.input += '\0';
while (state.input.charCodeAt(state.position) === 0x20/* Space */) {
state.lineIndent += 1;
state.position += 1;
}
while (state.position < (state.length - 1)) {
readDocument(state);
}
return state.documents;
}
function loadAll$1(input, iterator, options) {
if (iterator !== null && typeof iterator === 'object' && typeof options === 'undefined') {
options = iterator;
iterator = null;
}
var documents = loadDocuments(input, options);
if (typeof iterator !== 'function') {
return documents;
}
for (var index = 0, length = documents.length; index < length; index += 1) {
iterator(documents[index]);
}
}
function load$1(input, options) {
var documents = loadDocuments(input, options);
if (documents.length === 0) {
/*eslint-disable no-undefined*/
return undefined;
} else if (documents.length === 1) {
return documents[0];
}
throw new exception('expected a single document in the stream, but found more');
}
var loadAll_1 = loadAll$1;
var load_1 = load$1;
var loader = {
loadAll: loadAll_1,
load: load_1
};
/*eslint-disable no-use-before-define*/
var _toString = Object.prototype.toString;
var _hasOwnProperty = Object.prototype.hasOwnProperty;
var CHAR_BOM = 0xFEFF;
var CHAR_TAB = 0x09; /* Tab */
var CHAR_LINE_FEED = 0x0A; /* LF */
var CHAR_CARRIAGE_RETURN = 0x0D; /* CR */
var CHAR_SPACE = 0x20; /* Space */
var CHAR_EXCLAMATION = 0x21; /* ! */
var CHAR_DOUBLE_QUOTE = 0x22; /* " */
var CHAR_SHARP = 0x23; /* # */
var CHAR_PERCENT = 0x25; /* % */
var CHAR_AMPERSAND = 0x26; /* & */
var CHAR_SINGLE_QUOTE = 0x27; /* ' */
var CHAR_ASTERISK = 0x2A; /* * */
var CHAR_COMMA = 0x2C; /* , */
var CHAR_MINUS = 0x2D; /* - */
var CHAR_COLON = 0x3A; /* : */
var CHAR_EQUALS = 0x3D; /* = */
var CHAR_GREATER_THAN = 0x3E; /* > */
var CHAR_QUESTION = 0x3F; /* ? */
var CHAR_COMMERCIAL_AT = 0x40; /* @ */
var CHAR_LEFT_SQUARE_BRACKET = 0x5B; /* [ */
var CHAR_RIGHT_SQUARE_BRACKET = 0x5D; /* ] */
var CHAR_GRAVE_ACCENT = 0x60; /* ` */
var CHAR_LEFT_CURLY_BRACKET = 0x7B; /* { */
var CHAR_VERTICAL_LINE = 0x7C; /* | */
var CHAR_RIGHT_CURLY_BRACKET = 0x7D; /* } */
var ESCAPE_SEQUENCES = {};
ESCAPE_SEQUENCES[0x00] = '\\0';
ESCAPE_SEQUENCES[0x07] = '\\a';
ESCAPE_SEQUENCES[0x08] = '\\b';
ESCAPE_SEQUENCES[0x09] = '\\t';
ESCAPE_SEQUENCES[0x0A] = '\\n';
ESCAPE_SEQUENCES[0x0B] = '\\v';
ESCAPE_SEQUENCES[0x0C] = '\\f';
ESCAPE_SEQUENCES[0x0D] = '\\r';
ESCAPE_SEQUENCES[0x1B] = '\\e';
ESCAPE_SEQUENCES[0x22] = '\\"';
ESCAPE_SEQUENCES[0x5C] = '\\\\';
ESCAPE_SEQUENCES[0x85] = '\\N';
ESCAPE_SEQUENCES[0xA0] = '\\_';
ESCAPE_SEQUENCES[0x2028] = '\\L';
ESCAPE_SEQUENCES[0x2029] = '\\P';
var DEPRECATED_BOOLEANS_SYNTAX = [
'y', 'Y', 'yes', 'Yes', 'YES', 'on', 'On', 'ON',
'n', 'N', 'no', 'No', 'NO', 'off', 'Off', 'OFF'
];
var DEPRECATED_BASE60_SYNTAX = /^[-+]?[0-9_]+(?::[0-9_]+)+(?:\.[0-9_]*)?$/;
function compileStyleMap(schema, map) {
var result, keys, index, length, tag, style, type;
if (map === null) return {};
result = {};
keys = Object.keys(map);
for (index = 0, length = keys.length; index < length; index += 1) {
tag = keys[index];
style = String(map[tag]);
if (tag.slice(0, 2) === '!!') {
tag = 'tag:yaml.org,2002:' + tag.slice(2);
}
type = schema.compiledTypeMap['fallback'][tag];
if (type && _hasOwnProperty.call(type.styleAliases, style)) {
style = type.styleAliases[style];
}
result[tag] = style;
}
return result;
}
function encodeHex(character) {
var string, handle, length;
string = character.toString(16).toUpperCase();
if (character <= 0xFF) {
handle = 'x';
length = 2;
} else if (character <= 0xFFFF) {
handle = 'u';
length = 4;
} else if (character <= 0xFFFFFFFF) {
handle = 'U';
length = 8;
} else {
throw new exception('code point within a string may not be greater than 0xFFFFFFFF');
}
return '\\' + handle + common.repeat('0', length - string.length) + string;
}
var QUOTING_TYPE_SINGLE = 1,
QUOTING_TYPE_DOUBLE = 2;
function State(options) {
this.schema = options['schema'] || _default;
this.indent = Math.max(1, (options['indent'] || 2));
this.noArrayIndent = options['noArrayIndent'] || false;
this.skipInvalid = options['skipInvalid'] || false;
this.flowLevel = (common.isNothing(options['flowLevel']) ? -1 : options['flowLevel']);
this.styleMap = compileStyleMap(this.schema, options['styles'] || null);
this.sortKeys = options['sortKeys'] || false;
this.lineWidth = options['lineWidth'] || 80;
this.noRefs = options['noRefs'] || false;
this.noCompatMode = options['noCompatMode'] || false;
this.condenseFlow = options['condenseFlow'] || false;
this.quotingType = options['quotingType'] === '"' ? QUOTING_TYPE_DOUBLE : QUOTING_TYPE_SINGLE;
this.forceQuotes = options['forceQuotes'] || false;
this.replacer = typeof options['replacer'] === 'function' ? options['replacer'] : null;
this.implicitTypes = this.schema.compiledImplicit;
this.explicitTypes = this.schema.compiledExplicit;
this.tag = null;
this.result = '';
this.duplicates = [];
this.usedDuplicates = null;
}
// Indents every line in a string. Empty lines (\n only) are not indented.
function indentString(string, spaces) {
var ind = common.repeat(' ', spaces),
position = 0,
next = -1,
result = '',
line,
length = string.length;
while (position < length) {
next = string.indexOf('\n', position);
if (next === -1) {
line = string.slice(position);
position = length;
} else {
line = string.slice(position, next + 1);
position = next + 1;
}
if (line.length && line !== '\n') result += ind;
result += line;
}
return result;
}
function generateNextLine(state, level) {
return '\n' + common.repeat(' ', state.indent * level);
}
function testImplicitResolving(state, str) {
var index, length, type;
for (index = 0, length = state.implicitTypes.length; index < length; index += 1) {
type = state.implicitTypes[index];
if (type.resolve(str)) {
return true;
}
}
return false;
}
// [33] s-white ::= s-space | s-tab
function isWhitespace(c) {
return c === CHAR_SPACE || c === CHAR_TAB;
}
// Returns true if the character can be printed without escaping.
// From YAML 1.2: "any allowed characters known to be non-printable
// should also be escaped. [However,] This isn’t mandatory"
// Derived from nb-char - \t - #x85 - #xA0 - #x2028 - #x2029.
function isPrintable(c) {
return (0x00020 <= c && c <= 0x00007E)
|| ((0x000A1 <= c && c <= 0x00D7FF) && c !== 0x2028 && c !== 0x2029)
|| ((0x0E000 <= c && c <= 0x00FFFD) && c !== CHAR_BOM)
|| (0x10000 <= c && c <= 0x10FFFF);
}
// [34] ns-char ::= nb-char - s-white
// [27] nb-char ::= c-printable - b-char - c-byte-order-mark
// [26] b-char ::= b-line-feed | b-carriage-return
// Including s-white (for some reason, examples doesn't match specs in this aspect)
// ns-char ::= c-printable - b-line-feed - b-carriage-return - c-byte-order-mark
function isNsCharOrWhitespace(c) {
return isPrintable(c)
&& c !== CHAR_BOM
// - b-char
&& c !== CHAR_CARRIAGE_RETURN
&& c !== CHAR_LINE_FEED;
}
// [127] ns-plain-safe(c) ::= c = flow-out ⇒ ns-plain-safe-out
// c = flow-in ⇒ ns-plain-safe-in
// c = block-key ⇒ ns-plain-safe-out
// c = flow-key ⇒ ns-plain-safe-in
// [128] ns-plain-safe-out ::= ns-char
// [129] ns-plain-safe-in ::= ns-char - c-flow-indicator
// [130] ns-plain-char(c) ::= ( ns-plain-safe(c) - “:” - “#” )
// | ( /* An ns-char preceding */ “#” )
// | ( “:” /* Followed by an ns-plain-safe(c) */ )
function isPlainSafe(c, prev, inblock) {
var cIsNsCharOrWhitespace = isNsCharOrWhitespace(c);
var cIsNsChar = cIsNsCharOrWhitespace && !isWhitespace(c);
return (
// ns-plain-safe
inblock ? // c = flow-in
cIsNsCharOrWhitespace
: cIsNsCharOrWhitespace
// - c-flow-indicator
&& c !== CHAR_COMMA
&& c !== CHAR_LEFT_SQUARE_BRACKET
&& c !== CHAR_RIGHT_SQUARE_BRACKET
&& c !== CHAR_LEFT_CURLY_BRACKET
&& c !== CHAR_RIGHT_CURLY_BRACKET
)
// ns-plain-char
&& c !== CHAR_SHARP // false on '#'
&& !(prev === CHAR_COLON && !cIsNsChar) // false on ': '
|| (isNsCharOrWhitespace(prev) && !isWhitespace(prev) && c === CHAR_SHARP) // change to true on '[^ ]#'
|| (prev === CHAR_COLON && cIsNsChar); // change to true on ':[^ ]'
}
// Simplified test for values allowed as the first character in plain style.
function isPlainSafeFirst(c) {
// Uses a subset of ns-char - c-indicator
// where ns-char = nb-char - s-white.
// No support of ( ( “?” | “:” | “-” ) /* Followed by an ns-plain-safe(c)) */ ) part
return isPrintable(c) && c !== CHAR_BOM
&& !isWhitespace(c) // - s-white
// - (c-indicator ::=
// “-” | “?” | “:” | “,” | “[” | “]” | “{” | “}”
&& c !== CHAR_MINUS
&& c !== CHAR_QUESTION
&& c !== CHAR_COLON
&& c !== CHAR_COMMA
&& c !== CHAR_LEFT_SQUARE_BRACKET
&& c !== CHAR_RIGHT_SQUARE_BRACKET
&& c !== CHAR_LEFT_CURLY_BRACKET
&& c !== CHAR_RIGHT_CURLY_BRACKET
// | “#” | “&” | “*” | “!” | “|” | “=” | “>” | “'” | “"”
&& c !== CHAR_SHARP
&& c !== CHAR_AMPERSAND
&& c !== CHAR_ASTERISK
&& c !== CHAR_EXCLAMATION
&& c !== CHAR_VERTICAL_LINE
&& c !== CHAR_EQUALS
&& c !== CHAR_GREATER_THAN
&& c !== CHAR_SINGLE_QUOTE
&& c !== CHAR_DOUBLE_QUOTE
// | “%” | “@” | “`”)
&& c !== CHAR_PERCENT
&& c !== CHAR_COMMERCIAL_AT
&& c !== CHAR_GRAVE_ACCENT;
}
// Simplified test for values allowed as the last character in plain style.
function isPlainSafeLast(c) {
// just not whitespace or colon, it will be checked to be plain character later
return !isWhitespace(c) && c !== CHAR_COLON;
}
// Same as 'string'.codePointAt(pos), but works in older browsers.
function codePointAt(string, pos) {
var first = string.charCodeAt(pos), second;
if (first >= 0xD800 && first <= 0xDBFF && pos + 1 < string.length) {
second = string.charCodeAt(pos + 1);
if (second >= 0xDC00 && second <= 0xDFFF) {
// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
return (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
}
}
return first;
}
// Determines whether block indentation indicator is required.
function needIndentIndicator(string) {
var leadingSpaceRe = /^\n* /;
return leadingSpaceRe.test(string);
}
var STYLE_PLAIN = 1,
STYLE_SINGLE = 2,
STYLE_LITERAL = 3,
STYLE_FOLDED = 4,
STYLE_DOUBLE = 5;
// Determines which scalar styles are possible and returns the preferred style.
// lineWidth = -1 => no limit.
// Pre-conditions: str.length > 0.
// Post-conditions:
// STYLE_PLAIN or STYLE_SINGLE => no \n are in the string.
// STYLE_LITERAL => no lines are suitable for folding (or lineWidth is -1).
// STYLE_FOLDED => a line > lineWidth and can be folded (and lineWidth != -1).
function chooseScalarStyle(string, singleLineOnly, indentPerLevel, lineWidth,
testAmbiguousType, quotingType, forceQuotes, inblock) {
var i;
var char = 0;
var prevChar = null;
var hasLineBreak = false;
var hasFoldableLine = false; // only checked if shouldTrackWidth
var shouldTrackWidth = lineWidth !== -1;
var previousLineBreak = -1; // count the first line correctly
var plain = isPlainSafeFirst(codePointAt(string, 0))
&& isPlainSafeLast(codePointAt(string, string.length - 1));
if (singleLineOnly || forceQuotes) {
// Case: no block styles.
// Check for disallowed characters to rule out plain and single.
for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {
char = codePointAt(string, i);
if (!isPrintable(char)) {
return STYLE_DOUBLE;
}
plain = plain && isPlainSafe(char, prevChar, inblock);
prevChar = char;
}
} else {
// Case: block styles permitted.
for (i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {
char = codePointAt(string, i);
if (char === CHAR_LINE_FEED) {
hasLineBreak = true;
// Check if any line can be folded.
if (shouldTrackWidth) {
hasFoldableLine = hasFoldableLine ||
// Foldable line = too long, and not more-indented.
(i - previousLineBreak - 1 > lineWidth &&
string[previousLineBreak + 1] !== ' ');
previousLineBreak = i;
}
} else if (!isPrintable(char)) {
return STYLE_DOUBLE;
}
plain = plain && isPlainSafe(char, prevChar, inblock);
prevChar = char;
}
// in case the end is missing a \n
hasFoldableLine = hasFoldableLine || (shouldTrackWidth &&
(i - previousLineBreak - 1 > lineWidth &&
string[previousLineBreak + 1] !== ' '));
}
// Although every style can represent \n without escaping, prefer block styles
// for multiline, since they're more readable and they don't add empty lines.
// Also prefer folding a super-long line.
if (!hasLineBreak && !hasFoldableLine) {
// Strings interpretable as another type have to be quoted;
// e.g. the string 'true' vs. the boolean true.
if (plain && !forceQuotes && !testAmbiguousType(string)) {
return STYLE_PLAIN;
}
return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;
}
// Edge case: block indentation indicator can only have one digit.
if (indentPerLevel > 9 && needIndentIndicator(string)) {
return STYLE_DOUBLE;
}
// At this point we know block styles are valid.
// Prefer literal style unless we want to fold.
if (!forceQuotes) {
return hasFoldableLine ? STYLE_FOLDED : STYLE_LITERAL;
}
return quotingType === QUOTING_TYPE_DOUBLE ? STYLE_DOUBLE : STYLE_SINGLE;
}
// Note: line breaking/folding is implemented for only the folded style.
// NB. We drop the last trailing newline (if any) of a returned block scalar
// since the dumper adds its own newline. This always works:
// • No ending newline => unaffected; already using strip "-" chomping.
// • Ending newline => removed then restored.
// Importantly, this keeps the "+" chomp indicator from gaining an extra line.
function writeScalar(state, string, level, iskey, inblock) {
state.dump = (function () {
if (string.length === 0) {
return state.quotingType === QUOTING_TYPE_DOUBLE ? '""' : "''";
}
if (!state.noCompatMode) {
if (DEPRECATED_BOOLEANS_SYNTAX.indexOf(string) !== -1 || DEPRECATED_BASE60_SYNTAX.test(string)) {
return state.quotingType === QUOTING_TYPE_DOUBLE ? ('"' + string + '"') : ("'" + string + "'");
}
}
var indent = state.indent * Math.max(1, level); // no 0-indent scalars
// As indentation gets deeper, let the width decrease monotonically
// to the lower bound min(state.lineWidth, 40).
// Note that this implies
// state.lineWidth ≤ 40 + state.indent: width is fixed at the lower bound.
// state.lineWidth > 40 + state.indent: width decreases until the lower bound.
// This behaves better than a constant minimum width which disallows narrower options,
// or an indent threshold which causes the width to suddenly increase.
var lineWidth = state.lineWidth === -1
? -1 : Math.max(Math.min(state.lineWidth, 40), state.lineWidth - indent);
// Without knowing if keys are implicit/explicit, assume implicit for safety.
var singleLineOnly = iskey
// No block styles in flow mode.
|| (state.flowLevel > -1 && level >= state.flowLevel);
function testAmbiguity(string) {
return testImplicitResolving(state, string);
}
switch (chooseScalarStyle(string, singleLineOnly, state.indent, lineWidth,
testAmbiguity, state.quotingType, state.forceQuotes && !iskey, inblock)) {
case STYLE_PLAIN:
return string;
case STYLE_SINGLE:
return "'" + string.replace(/'/g, "''") + "'";
case STYLE_LITERAL:
return '|' + blockHeader(string, state.indent)
+ dropEndingNewline(indentString(string, indent));
case STYLE_FOLDED:
return '>' + blockHeader(string, state.indent)
+ dropEndingNewline(indentString(foldString(string, lineWidth), indent));
case STYLE_DOUBLE:
return '"' + escapeString(string) + '"';
default:
throw new exception('impossible error: invalid scalar style');
}
}());
}
// Pre-conditions: string is valid for a block scalar, 1 <= indentPerLevel <= 9.
function blockHeader(string, indentPerLevel) {
var indentIndicator = needIndentIndicator(string) ? String(indentPerLevel) : '';
// note the special case: the string '\n' counts as a "trailing" empty line.
var clip = string[string.length - 1] === '\n';
var keep = clip && (string[string.length - 2] === '\n' || string === '\n');
var chomp = keep ? '+' : (clip ? '' : '-');
return indentIndicator + chomp + '\n';
}
// (See the note for writeScalar.)
function dropEndingNewline(string) {
return string[string.length - 1] === '\n' ? string.slice(0, -1) : string;
}
// Note: a long line without a suitable break point will exceed the width limit.
// Pre-conditions: every char in str isPrintable, str.length > 0, width > 0.
function foldString(string, width) {
// In folded style, $k$ consecutive newlines output as $k+1$ newlines—
// unless they're before or after a more-indented line, or at the very
// beginning or end, in which case $k$ maps to $k$.
// Therefore, parse each chunk as newline(s) followed by a content line.
var lineRe = /(\n+)([^\n]*)/g;
// first line (possibly an empty line)
var result = (function () {
var nextLF = string.indexOf('\n');
nextLF = nextLF !== -1 ? nextLF : string.length;
lineRe.lastIndex = nextLF;
return foldLine(string.slice(0, nextLF), width);
}());
// If we haven't reached the first content line yet, don't add an extra \n.
var prevMoreIndented = string[0] === '\n' || string[0] === ' ';
var moreIndented;
// rest of the lines
var match;
while ((match = lineRe.exec(string))) {
var prefix = match[1], line = match[2];
moreIndented = (line[0] === ' ');
result += prefix
+ (!prevMoreIndented && !moreIndented && line !== ''
? '\n' : '')
+ foldLine(line, width);
prevMoreIndented = moreIndented;
}
return result;
}
// Greedy line breaking.
// Picks the longest line under the limit each time,
// otherwise settles for the shortest line over the limit.
// NB. More-indented lines *cannot* be folded, as that would add an extra \n.
function foldLine(line, width) {
if (line === '' || line[0] === ' ') return line;
// Since a more-indented line adds a \n, breaks can't be followed by a space.
var breakRe = / [^ ]/g; // note: the match index will always be <= length-2.
var match;
// start is an inclusive index. end, curr, and next are exclusive.
var start = 0, end, curr = 0, next = 0;
var result = '';
// Invariants: 0 <= start <= length-1.
// 0 <= curr <= next <= max(0, length-2). curr - start <= width.
// Inside the loop:
// A match implies length >= 2, so curr and next are <= length-2.
while ((match = breakRe.exec(line))) {
next = match.index;
// maintain invariant: curr - start <= width
if (next - start > width) {
end = (curr > start) ? curr : next; // derive end <= length-2
result += '\n' + line.slice(start, end);
// skip the space that was output as \n
start = end + 1; // derive start <= length-1
}
curr = next;
}
// By the invariants, start <= length-1, so there is something left over.
// It is either the whole string or a part starting from non-whitespace.
result += '\n';
// Insert a break if the remainder is too long and there is a break available.
if (line.length - start > width && curr > start) {
result += line.slice(start, curr) + '\n' + line.slice(curr + 1);
} else {
result += line.slice(start);
}
return result.slice(1); // drop extra \n joiner
}
// Escapes a double-quoted string.
function escapeString(string) {
var result = '';
var char = 0;
var escapeSeq;
for (var i = 0; i < string.length; char >= 0x10000 ? i += 2 : i++) {
char = codePointAt(string, i);
escapeSeq = ESCAPE_SEQUENCES[char];
if (!escapeSeq && isPrintable(char)) {
result += string[i];
if (char >= 0x10000) result += string[i + 1];
} else {
result += escapeSeq || encodeHex(char);
}
}
return result;
}
function writeFlowSequence(state, level, object) {
var _result = '',
_tag = state.tag,
index,
length,
value;
for (index = 0, length = object.length; index < length; index += 1) {
value = object[index];
if (state.replacer) {
value = state.replacer.call(object, String(index), value);
}
// Write only valid elements, put null instead of invalid elements.
if (writeNode(state, level, value, false, false) ||
(typeof value === 'undefined' &&
writeNode(state, level, null, false, false))) {
if (_result !== '') _result += ',' + (!state.condenseFlow ? ' ' : '');
_result += state.dump;
}
}
state.tag = _tag;
state.dump = '[' + _result + ']';
}
function writeBlockSequence(state, level, object, compact) {
var _result = '',
_tag = state.tag,
index,
length,
value;
for (index = 0, length = object.length; index < length; index += 1) {
value = object[index];
if (state.replacer) {
value = state.replacer.call(object, String(index), value);
}
// Write only valid elements, put null instead of invalid elements.
if (writeNode(state, level + 1, value, true, true, false, true) ||
(typeof value === 'undefined' &&
writeNode(state, level + 1, null, true, true, false, true))) {
if (!compact || _result !== '') {
_result += generateNextLine(state, level);
}
if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
_result += '-';
} else {
_result += '- ';
}
_result += state.dump;
}
}
state.tag = _tag;
state.dump = _result || '[]'; // Empty sequence if no valid values.
}
function writeFlowMapping(state, level, object) {
var _result = '',
_tag = state.tag,
objectKeyList = Object.keys(object),
index,
length,
objectKey,
objectValue,
pairBuffer;
for (index = 0, length = objectKeyList.length; index < length; index += 1) {
pairBuffer = '';
if (_result !== '') pairBuffer += ', ';
if (state.condenseFlow) pairBuffer += '"';
objectKey = objectKeyList[index];
objectValue = object[objectKey];
if (state.replacer) {
objectValue = state.replacer.call(object, objectKey, objectValue);
}
if (!writeNode(state, level, objectKey, false, false)) {
continue; // Skip this pair because of invalid key;
}
if (state.dump.length > 1024) pairBuffer += '? ';
pairBuffer += state.dump + (state.condenseFlow ? '"' : '') + ':' + (state.condenseFlow ? '' : ' ');
if (!writeNode(state, level, objectValue, false, false)) {
continue; // Skip this pair because of invalid value.
}
pairBuffer += state.dump;
// Both key and value are valid.
_result += pairBuffer;
}
state.tag = _tag;
state.dump = '{' + _result + '}';
}
function writeBlockMapping(state, level, object, compact) {
var _result = '',
_tag = state.tag,
objectKeyList = Object.keys(object),
index,
length,
objectKey,
objectValue,
explicitPair,
pairBuffer;
// Allow sorting keys so that the output file is deterministic
if (state.sortKeys === true) {
// Default sorting
objectKeyList.sort();
} else if (typeof state.sortKeys === 'function') {
// Custom sort function
objectKeyList.sort(state.sortKeys);
} else if (state.sortKeys) {
// Something is wrong
throw new exception('sortKeys must be a boolean or a function');
}
for (index = 0, length = objectKeyList.length; index < length; index += 1) {
pairBuffer = '';
if (!compact || _result !== '') {
pairBuffer += generateNextLine(state, level);
}
objectKey = objectKeyList[index];
objectValue = object[objectKey];
if (state.replacer) {
objectValue = state.replacer.call(object, objectKey, objectValue);
}
if (!writeNode(state, level + 1, objectKey, true, true, true)) {
continue; // Skip this pair because of invalid key.
}
explicitPair = (state.tag !== null && state.tag !== '?') ||
(state.dump && state.dump.length > 1024);
if (explicitPair) {
if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
pairBuffer += '?';
} else {
pairBuffer += '? ';
}
}
pairBuffer += state.dump;
if (explicitPair) {
pairBuffer += generateNextLine(state, level);
}
if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {
continue; // Skip this pair because of invalid value.
}
if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
pairBuffer += ':';
} else {
pairBuffer += ': ';
}
pairBuffer += state.dump;
// Both key and value are valid.
_result += pairBuffer;
}
state.tag = _tag;
state.dump = _result || '{}'; // Empty mapping if no valid pairs.
}
function detectType(state, object, explicit) {
var _result, typeList, index, length, type, style;
typeList = explicit ? state.explicitTypes : state.implicitTypes;
for (index = 0, length = typeList.length; index < length; index += 1) {
type = typeList[index];
if ((type.instanceOf || type.predicate) &&
(!type.instanceOf || ((typeof object === 'object') && (object instanceof type.instanceOf))) &&
(!type.predicate || type.predicate(object))) {
if (explicit) {
if (type.multi && type.representName) {
state.tag = type.representName(object);
} else {
state.tag = type.tag;
}
} else {
state.tag = '?';
}
if (type.represent) {
style = state.styleMap[type.tag] || type.defaultStyle;
if (_toString.call(type.represent) === '[object Function]') {
_result = type.represent(object, style);
} else if (_hasOwnProperty.call(type.represent, style)) {
_result = type.represent[style](object, style);
} else {
throw new exception('!<' + type.tag + '> tag resolver accepts not "' + style + '" style');
}
state.dump = _result;
}
return true;
}
}
return false;
}
// Serializes `object` and writes it to global `result`.
// Returns true on success, or false on invalid object.
//
function writeNode(state, level, object, block, compact, iskey, isblockseq) {
state.tag = null;
state.dump = object;
if (!detectType(state, object, false)) {
detectType(state, object, true);
}
var type = _toString.call(state.dump);
var inblock = block;
var tagStr;
if (block) {
block = (state.flowLevel < 0 || state.flowLevel > level);
}
var objectOrArray = type === '[object Object]' || type === '[object Array]',
duplicateIndex,
duplicate;
if (objectOrArray) {
duplicateIndex = state.duplicates.indexOf(object);
duplicate = duplicateIndex !== -1;
}
if ((state.tag !== null && state.tag !== '?') || duplicate || (state.indent !== 2 && level > 0)) {
compact = false;
}
if (duplicate && state.usedDuplicates[duplicateIndex]) {
state.dump = '*ref_' + duplicateIndex;
} else {
if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {
state.usedDuplicates[duplicateIndex] = true;
}
if (type === '[object Object]') {
if (block && (Object.keys(state.dump).length !== 0)) {
writeBlockMapping(state, level, state.dump, compact);
if (duplicate) {
state.dump = '&ref_' + duplicateIndex + state.dump;
}
} else {
writeFlowMapping(state, level, state.dump);
if (duplicate) {
state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
}
}
} else if (type === '[object Array]') {
if (block && (state.dump.length !== 0)) {
if (state.noArrayIndent && !isblockseq && level > 0) {
writeBlockSequence(state, level - 1, state.dump, compact);
} else {
writeBlockSequence(state, level, state.dump, compact);
}
if (duplicate) {
state.dump = '&ref_' + duplicateIndex + state.dump;
}
} else {
writeFlowSequence(state, level, state.dump);
if (duplicate) {
state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
}
}
} else if (type === '[object String]') {
if (state.tag !== '?') {
writeScalar(state, state.dump, level, iskey, inblock);
}
} else if (type === '[object Undefined]') {
return false;
} else {
if (state.skipInvalid) return false;
throw new exception('unacceptable kind of an object to dump ' + type);
}
if (state.tag !== null && state.tag !== '?') {
// Need to encode all characters except those allowed by the spec:
//
// [35] ns-dec-digit ::= [#x30-#x39] /* 0-9 */
// [36] ns-hex-digit ::= ns-dec-digit
// | [#x41-#x46] /* A-F */ | [#x61-#x66] /* a-f */
// [37] ns-ascii-letter ::= [#x41-#x5A] /* A-Z */ | [#x61-#x7A] /* a-z */
// [38] ns-word-char ::= ns-dec-digit | ns-ascii-letter | “-”
// [39] ns-uri-char ::= “%” ns-hex-digit ns-hex-digit | ns-word-char | “#”
// | “;” | “/” | “?” | “:” | “@” | “&” | “=” | “+” | “$” | “,”
// | “_” | “.” | “!” | “~” | “*” | “'” | “(” | “)” | “[” | “]”
//
// Also need to encode '!' because it has special meaning (end of tag prefix).
//
tagStr = encodeURI(
state.tag[0] === '!' ? state.tag.slice(1) : state.tag
).replace(/!/g, '%21');
if (state.tag[0] === '!') {
tagStr = '!' + tagStr;
} else if (tagStr.slice(0, 18) === 'tag:yaml.org,2002:') {
tagStr = '!!' + tagStr.slice(18);
} else {
tagStr = '!<' + tagStr + '>';
}
state.dump = tagStr + ' ' + state.dump;
}
}
return true;
}
function getDuplicateReferences(object, state) {
var objects = [],
duplicatesIndexes = [],
index,
length;
inspectNode(object, objects, duplicatesIndexes);
for (index = 0, length = duplicatesIndexes.length; index < length; index += 1) {
state.duplicates.push(objects[duplicatesIndexes[index]]);
}
state.usedDuplicates = new Array(length);
}
function inspectNode(object, objects, duplicatesIndexes) {
var objectKeyList,
index,
length;
if (object !== null && typeof object === 'object') {
index = objects.indexOf(object);
if (index !== -1) {
if (duplicatesIndexes.indexOf(index) === -1) {
duplicatesIndexes.push(index);
}
} else {
objects.push(object);
if (Array.isArray(object)) {
for (index = 0, length = object.length; index < length; index += 1) {
inspectNode(object[index], objects, duplicatesIndexes);
}
} else {
objectKeyList = Object.keys(object);
for (index = 0, length = objectKeyList.length; index < length; index += 1) {
inspectNode(object[objectKeyList[index]], objects, duplicatesIndexes);
}
}
}
}
}
function dump$1(input, options) {
options = options || {};
var state = new State(options);
if (!state.noRefs) getDuplicateReferences(input, state);
var value = input;
if (state.replacer) {
value = state.replacer.call({ '': value }, '', value);
}
if (writeNode(state, 0, value, true, true)) return state.dump + '\n';
return '';
}
var dump_1 = dump$1;
var dumper = {
dump: dump_1
};
function renamed(from, to) {
return function () {
throw new Error('Function yaml.' + from + ' is removed in js-yaml 4. ' +
'Use yaml.' + to + ' instead, which is now safe by default.');
};
}
var Type = type;
var Schema = schema;
var FAILSAFE_SCHEMA = failsafe;
var JSON_SCHEMA = json;
var CORE_SCHEMA = core;
var DEFAULT_SCHEMA = _default;
var load = loader.load;
var loadAll = loader.loadAll;
var dump = dumper.dump;
var YAMLException = exception;
// Re-export all types in case user wants to create custom schema
var types = {
binary: binary,
float: float,
map: map,
null: _null,
pairs: pairs,
set: set,
timestamp: timestamp,
bool: bool,
int: int,
merge: merge,
omap: omap,
seq: seq,
str: str
};
// Removed functions from JS-YAML 3.0.x
var safeLoad = renamed('safeLoad', 'load');
var safeLoadAll = renamed('safeLoadAll', 'loadAll');
var safeDump = renamed('safeDump', 'dump');
var jsYaml = {
Type: Type,
Schema: Schema,
FAILSAFE_SCHEMA: FAILSAFE_SCHEMA,
JSON_SCHEMA: JSON_SCHEMA,
CORE_SCHEMA: CORE_SCHEMA,
DEFAULT_SCHEMA: DEFAULT_SCHEMA,
load: load,
loadAll: loadAll,
dump: dump,
YAMLException: YAMLException,
types: types,
safeLoad: safeLoad,
safeLoadAll: safeLoadAll,
safeDump: safeDump
};
exports.CORE_SCHEMA = CORE_SCHEMA;
exports.DEFAULT_SCHEMA = DEFAULT_SCHEMA;
exports.FAILSAFE_SCHEMA = FAILSAFE_SCHEMA;
exports.JSON_SCHEMA = JSON_SCHEMA;
exports.Schema = Schema;
exports.Type = Type;
exports.YAMLException = YAMLException;
exports.default = jsYaml;
exports.dump = dump;
exports.load = load;
exports.loadAll = loadAll;
exports.safeDump = safeDump;
exports.safeLoad = safeLoad;
exports.safeLoadAll = safeLoadAll;
exports.types = types;
Object.defineProperty(exports, '__esModule', { value: true });
})));