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