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Filename : tasks.js
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"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;