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'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;
});
});
};
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