"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.convertPatternGroupToTask = exports.convertPatternGroupsToTasks = exports.groupPatternsByBaseDirectory = exports.getNegativePatternsAsPositive = exports.getPositivePatterns = exports.convertPatternsToTasks = exports.generate = void 0;
const utils = require("../utils");
function generate(input, settings) {
const patterns = processPatterns(input, settings);
const ignore = processPatterns(settings.ignore, settings);
const positivePatterns = getPositivePatterns(patterns);
const negativePatterns = getNegativePatternsAsPositive(patterns, ignore);
const staticPatterns = positivePatterns.filter((pattern) => utils.pattern.isStaticPattern(pattern, settings));
const dynamicPatterns = positivePatterns.filter((pattern) => utils.pattern.isDynamicPattern(pattern, settings));
const staticTasks = convertPatternsToTasks(staticPatterns, negativePatterns, /* dynamic */ false);
const dynamicTasks = convertPatternsToTasks(dynamicPatterns, negativePatterns, /* dynamic */ true);
return staticTasks.concat(dynamicTasks);
}
exports.generate = generate;
function processPatterns(input, settings) {
let patterns = input;
/**
* The original pattern like `{,*,**,a/*}` can lead to problems checking the depth when matching entry
* and some problems with the micromatch package (see fast-glob issues: #365, #394).
*
* To solve this problem, we expand all patterns containing brace expansion. This can lead to a slight slowdown
* in matching in the case of a large set of patterns after expansion.
*/
if (settings.braceExpansion) {
patterns = utils.pattern.expandPatternsWithBraceExpansion(patterns);
}
/**
* If the `baseNameMatch` option is enabled, we must add globstar to patterns, so that they can be used
* at any nesting level.
*
* We do this here, because otherwise we have to complicate the filtering logic. For example, we need to change
* the pattern in the filter before creating a regular expression. There is no need to change the patterns
* in the application. Only on the input.
*/
if (settings.baseNameMatch) {
patterns = patterns.map((pattern) => pattern.includes('/') ? pattern : `**/${pattern}`);
}
/**
* This method also removes duplicate slashes that may have been in the pattern or formed as a result of expansion.
*/
return patterns.map((pattern) => utils.pattern.removeDuplicateSlashes(pattern));
}
/**
* Returns tasks grouped by basic pattern directories.
*
* Patterns that can be found inside (`./`) and outside (`../`) the current directory are handled separately.
* This is necessary because directory traversal starts at the base directory and goes deeper.
*/
function convertPatternsToTasks(positive, negative, dynamic) {
const tasks = [];
const patternsOutsideCurrentDirectory = utils.pattern.getPatternsOutsideCurrentDirectory(positive);
const patternsInsideCurrentDirectory = utils.pattern.getPatternsInsideCurrentDirectory(positive);
const outsideCurrentDirectoryGroup = groupPatternsByBaseDirectory(patternsOutsideCurrentDirectory);
const insideCurrentDirectoryGroup = groupPatternsByBaseDirectory(patternsInsideCurrentDirectory);
tasks.push(...convertPatternGroupsToTasks(outsideCurrentDirectoryGroup, negative, dynamic));
/*
* For the sake of reducing future accesses to the file system, we merge all tasks within the current directory
* into a global task, if at least one pattern refers to the root (`.`). In this case, the global task covers the rest.
*/
if ('.' in insideCurrentDirectoryGroup) {
tasks.push(convertPatternGroupToTask('.', patternsInsideCurrentDirectory, negative, dynamic));
}
else {
tasks.push(...convertPatternGroupsToTasks(insideCurrentDirectoryGroup, negative, dynamic));
}
return tasks;
}
exports.convertPatternsToTasks = convertPatternsToTasks;
function getPositivePatterns(patterns) {
return utils.pattern.getPositivePatterns(patterns);
}
exports.getPositivePatterns = getPositivePatterns;
function getNegativePatternsAsPositive(patterns, ignore) {
const negative = utils.pattern.getNegativePatterns(patterns).concat(ignore);
const positive = negative.map(utils.pattern.convertToPositivePattern);
return positive;
}
exports.getNegativePatternsAsPositive = getNegativePatternsAsPositive;
function groupPatternsByBaseDirectory(patterns) {
const group = {};
return patterns.reduce((collection, pattern) => {
const base = utils.pattern.getBaseDirectory(pattern);
if (base in collection) {
collection[base].push(pattern);
}
else {
collection[base] = [pattern];
}
return collection;
}, group);
}
exports.groupPatternsByBaseDirectory = groupPatternsByBaseDirectory;
function convertPatternGroupsToTasks(positive, negative, dynamic) {
return Object.keys(positive).map((base) => {
return convertPatternGroupToTask(base, positive[base], negative, dynamic);
});
}
exports.convertPatternGroupsToTasks = convertPatternGroupsToTasks;
function convertPatternGroupToTask(base, positive, negative, dynamic) {
return {
dynamic,
positive,
negative,
base,
patterns: [].concat(positive, negative.map(utils.pattern.convertToNegativePattern))
};
}
exports.convertPatternGroupToTask = convertPatternGroupToTask;