"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSchemaRefs = exports.resolveUrl = exports.normalizeId = exports._getFullPath = exports.getFullPath = exports.inlineRef = void 0;
const util_1 = require("./util");
const equal = require("fast-deep-equal");
const traverse = require("json-schema-traverse");
// TODO refactor to use keyword definitions
const SIMPLE_INLINED = new Set([
"type",
"format",
"pattern",
"maxLength",
"minLength",
"maxProperties",
"minProperties",
"maxItems",
"minItems",
"maximum",
"minimum",
"uniqueItems",
"multipleOf",
"required",
"enum",
"const",
]);
function inlineRef(schema, limit = true) {
if (typeof schema == "boolean")
return true;
if (limit === true)
return !hasRef(schema);
if (!limit)
return false;
return countKeys(schema) <= limit;
}
exports.inlineRef = inlineRef;
const REF_KEYWORDS = new Set([
"$ref",
"$recursiveRef",
"$recursiveAnchor",
"$dynamicRef",
"$dynamicAnchor",
]);
function hasRef(schema) {
for (const key in schema) {
if (REF_KEYWORDS.has(key))
return true;
const sch = schema[key];
if (Array.isArray(sch) && sch.some(hasRef))
return true;
if (typeof sch == "object" && hasRef(sch))
return true;
}
return false;
}
function countKeys(schema) {
let count = 0;
for (const key in schema) {
if (key === "$ref")
return Infinity;
count++;
if (SIMPLE_INLINED.has(key))
continue;
if (typeof schema[key] == "object") {
(0, util_1.eachItem)(schema[key], (sch) => (count += countKeys(sch)));
}
if (count === Infinity)
return Infinity;
}
return count;
}
function getFullPath(resolver, id = "", normalize) {
if (normalize !== false)
id = normalizeId(id);
const p = resolver.parse(id);
return _getFullPath(resolver, p);
}
exports.getFullPath = getFullPath;
function _getFullPath(resolver, p) {
const serialized = resolver.serialize(p);
return serialized.split("#")[0] + "#";
}
exports._getFullPath = _getFullPath;
const TRAILING_SLASH_HASH = /#\/?$/;
function normalizeId(id) {
return id ? id.replace(TRAILING_SLASH_HASH, "") : "";
}
exports.normalizeId = normalizeId;
function resolveUrl(resolver, baseId, id) {
id = normalizeId(id);
return resolver.resolve(baseId, id);
}
exports.resolveUrl = resolveUrl;
const ANCHOR = /^[a-z_][-a-z0-9._]*$/i;
function getSchemaRefs(schema, baseId) {
if (typeof schema == "boolean")
return {};
const { schemaId, uriResolver } = this.opts;
const schId = normalizeId(schema[schemaId] || baseId);
const baseIds = { "": schId };
const pathPrefix = getFullPath(uriResolver, schId, false);
const localRefs = {};
const schemaRefs = new Set();
traverse(schema, { allKeys: true }, (sch, jsonPtr, _, parentJsonPtr) => {
if (parentJsonPtr === undefined)
return;
const fullPath = pathPrefix + jsonPtr;
let baseId = baseIds[parentJsonPtr];
if (typeof sch[schemaId] == "string")
baseId = addRef.call(this, sch[schemaId]);
addAnchor.call(this, sch.$anchor);
addAnchor.call(this, sch.$dynamicAnchor);
baseIds[jsonPtr] = baseId;
function addRef(ref) {
// eslint-disable-next-line @typescript-eslint/unbound-method
const _resolve = this.opts.uriResolver.resolve;
ref = normalizeId(baseId ? _resolve(baseId, ref) : ref);
if (schemaRefs.has(ref))
throw ambiguos(ref);
schemaRefs.add(ref);
let schOrRef = this.refs[ref];
if (typeof schOrRef == "string")
schOrRef = this.refs[schOrRef];
if (typeof schOrRef == "object") {
checkAmbiguosRef(sch, schOrRef.schema, ref);
}
else if (ref !== normalizeId(fullPath)) {
if (ref[0] === "#") {
checkAmbiguosRef(sch, localRefs[ref], ref);
localRefs[ref] = sch;
}
else {
this.refs[ref] = fullPath;
}
}
return ref;
}
function addAnchor(anchor) {
if (typeof anchor == "string") {
if (!ANCHOR.test(anchor))
throw new Error(`invalid anchor "${anchor}"`);
addRef.call(this, `#${anchor}`);
}
}
});
return localRefs;
function checkAmbiguosRef(sch1, sch2, ref) {
if (sch2 !== undefined && !equal(sch1, sch2))
throw ambiguos(ref);
}
function ambiguos(ref) {
return new Error(`reference "${ref}" resolves to more than one schema`);
}
}
exports.getSchemaRefs = getSchemaRefs;
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