63 lines
2.4 KiB
Plaintext
63 lines
2.4 KiB
Plaintext
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const utils = require("../../utils");
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const partial_1 = require("../matchers/partial");
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class DeepFilter {
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constructor(_settings, _micromatchOptions) {
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this._settings = _settings;
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this._micromatchOptions = _micromatchOptions;
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}
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getFilter(basePath, positive, negative) {
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const matcher = this._getMatcher(positive);
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const negativeRe = this._getNegativePatternsRe(negative);
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return (entry) => this._filter(basePath, entry, matcher, negativeRe);
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}
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_getMatcher(patterns) {
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return new partial_1.default(patterns, this._settings, this._micromatchOptions);
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}
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_getNegativePatternsRe(patterns) {
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const affectDepthOfReadingPatterns = patterns.filter(utils.pattern.isAffectDepthOfReadingPattern);
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return utils.pattern.convertPatternsToRe(affectDepthOfReadingPatterns, this._micromatchOptions);
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}
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_filter(basePath, entry, matcher, negativeRe) {
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if (this._isSkippedByDeep(basePath, entry.path)) {
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return false;
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}
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if (this._isSkippedSymbolicLink(entry)) {
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return false;
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}
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const filepath = utils.path.removeLeadingDotSegment(entry.path);
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if (this._isSkippedByPositivePatterns(filepath, matcher)) {
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return false;
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}
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return this._isSkippedByNegativePatterns(filepath, negativeRe);
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}
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_isSkippedByDeep(basePath, entryPath) {
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/**
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* Avoid unnecessary depth calculations when it doesn't matter.
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*/
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if (this._settings.deep === Infinity) {
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return false;
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}
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return this._getEntryLevel(basePath, entryPath) >= this._settings.deep;
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}
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_getEntryLevel(basePath, entryPath) {
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const entryPathDepth = entryPath.split('/').length;
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if (basePath === '') {
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return entryPathDepth;
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}
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const basePathDepth = basePath.split('/').length;
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return entryPathDepth - basePathDepth;
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}
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_isSkippedSymbolicLink(entry) {
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return !this._settings.followSymbolicLinks && entry.dirent.isSymbolicLink();
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}
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_isSkippedByPositivePatterns(entryPath, matcher) {
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return !this._settings.baseNameMatch && !matcher.match(entryPath);
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}
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_isSkippedByNegativePatterns(entryPath, patternsRe) {
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return !utils.pattern.matchAny(entryPath, patternsRe);
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}
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}
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exports.default = DeepFilter;
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