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author | LinuxWizard42 <computerwizard@linuxmail.org> | 2022-10-12 22:54:37 +0300 |
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committer | LinuxWizard42 <computerwizard@linuxmail.org> | 2022-10-12 22:54:37 +0300 |
commit | 703e03aba33f234712206769f57717ba7d92d23d (patch) | |
tree | 0041f04ccb75bd5379c764e9fe42249fffe75fc3 /node_modules/matcher/index.js | |
parent | ab6e257e6e9d9a483d7e86f220d8b209a2cd7753 (diff) | |
download | FlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.gz FlashRunner-703e03aba33f234712206769f57717ba7d92d23d.tar.zst |
Added export_allowed file to make repository visible in cgit
Diffstat (limited to 'node_modules/matcher/index.js')
-rw-r--r-- | node_modules/matcher/index.js | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/node_modules/matcher/index.js b/node_modules/matcher/index.js new file mode 100644 index 0000000..bab0afc --- /dev/null +++ b/node_modules/matcher/index.js @@ -0,0 +1,77 @@ +'use strict'; +const escapeStringRegexp = require('escape-string-regexp'); + +const regexpCache = new Map(); + +function makeRegexp(pattern, options) { + options = { + caseSensitive: false, + ...options + }; + + const cacheKey = pattern + JSON.stringify(options); + + if (regexpCache.has(cacheKey)) { + return regexpCache.get(cacheKey); + } + + const negated = pattern[0] === '!'; + + if (negated) { + pattern = pattern.slice(1); + } + + pattern = escapeStringRegexp(pattern).replace(/\\\*/g, '[\\s\\S]*'); + + const regexp = new RegExp(`^${pattern}$`, options.caseSensitive ? '' : 'i'); + regexp.negated = negated; + regexpCache.set(cacheKey, regexp); + + return regexp; +} + +module.exports = (inputs, patterns, options) => { + if (!(Array.isArray(inputs) && Array.isArray(patterns))) { + throw new TypeError(`Expected two arrays, got ${typeof inputs} ${typeof patterns}`); + } + + if (patterns.length === 0) { + return inputs; + } + + const isFirstPatternNegated = patterns[0][0] === '!'; + + patterns = patterns.map(pattern => makeRegexp(pattern, options)); + + const result = []; + + for (const input of inputs) { + // If first pattern is negated we include everything to match user expectation. + let matches = isFirstPatternNegated; + + for (const pattern of patterns) { + if (pattern.test(input)) { + matches = !pattern.negated; + } + } + + if (matches) { + result.push(input); + } + } + + return result; +}; + +module.exports.isMatch = (input, pattern, options) => { + const inputArray = Array.isArray(input) ? input : [input]; + const patternArray = Array.isArray(pattern) ? pattern : [pattern]; + + return inputArray.some(input => { + return patternArray.every(pattern => { + const regexp = makeRegexp(pattern, options); + const matches = regexp.test(input); + return regexp.negated ? !matches : matches; + }); + }); +}; |