chain-able
Version:
interfaces that describe their intentions.
161 lines (146 loc) • 12.8 kB
JavaScript
/**
* @member matcher
* @see https://github.com/sindresorhus/matcher/blob/master/index.js
* @symb 🎯
*/
var ObjectAssign = require('../util/assign')
var isMatcher = require('../is/matcher')
var cache = require('../cache')
var toarr = require('../to-arr')
var toRegExp = require('./to-regexp')
var m = {}
/**
* @desc turn any string[], function[], or RegExp[] into a matcher
* @memberOf matcher
* @since 3.0.0
* @func make
*
* @param {Array<string> | string | Function | RegExp} pattern a matchable pattern
* @param {boolean | undefined} shouldNegate turn into a negated regex
* @param {boolean | undefined} alphaOmega should have regex start at the beginning and the end
* @return {Array<string> | string | Function | RegExp} matchable
*
* @example
*
* matcher.make('*')
* //=> RegExp('.*', 'i')
*
* @example
*
* var any = new RgExp('.*', 'i')
* matcher.make(any)
* //=> any
*
* @example
*
* var strings = x => typeof x === 'string'
* matcher.make(strings)
* // {test: strings}
*
* @example
*
* var tester = {test: x => x === true}
* matcher.make(tester)
* // tester
*
* @example
*
* var noName = '!name'
* matcher.make(noName, true)
* // new RegExp('(?:name)', 'i')
*
* @example
*
* var noName = '!name'
* matcher.make(noName, true, true)
* // new RegExp('^(?:name)$', 'i')
*
*/
m.make = function (pattern, shouldNegate, alphaOmega) {
if (cache.has(pattern)) { return cache.get(pattern) }
var matchable = pattern
if (isMatcher(matchable) && !matchable.test) { matchable.test = matchable }
if (isMatcher(matchable)) { return matchable }
var negated = matchable[0] === '!'
if (negated) { matchable = matchable.slice(1) }
matchable = toRegExp(matchable)
if (negated && shouldNegate) { matchable = "(?!" + matchable + ")" }
if (alphaOmega) { matchable = "^" + matchable + "$" }
matchable = new RegExp(("" + matchable), 'i')
matchable.negated = negated
cache.set(pattern, matchable)
return matchable
}
/**
* @desc same as .make but also accepts inputs, and returns an array
* @memberOf matcher
* @func match
* @since 3.0.0
*
* @param {Array<string> | string} inputs input to use patterns as predicates on
* @param {Array<string> | string | Function | RegExp} patterns predicates to match with, transformed to Matcher
* @param {boolean | undefined} shouldNegate should negate, passed to matcher.make
* @param {boolean | undefined} alphaOmega should enforce regex @beginning and end, passed to .matcher
* @return {Array<any>}
*
* @see Matcher.make
* @see compose/Observe
*
* @example
*
*
* matcher(['foo', 'bar', 'moo'], ['*oo', '!foo']);
* //=> ['moo']
*
* matcher(['foo', 'bar', 'moo'], ['!*oo']);
*
*
* @example
*
*
* matcher('kinga', 'kinga')
* //=> ['kinga']
* matcher('k*nga', 'kinga')
* //=> ['kinga']
* matcher('kinga', 'nope')
* //=> []
*
* matcher(new RegExp(/kinga/), 'kinga')
* //=> ['kinga']
* matcher(new RegExp(/kinga/), 'nope')
* //=> ['nope']
*
* matcher(x => x === 'kinga', 'kinga')
* //=> ['kinga']
* matcher(x => x === 'kinga', 'nope')
* //=> []
*
* matcher({test: x => x === 'kinga'}, 'kinga')
* //=> ['kinga']
* matcher({test: x => x === 'kinga'}, 'nope')
* //=> []
*
*
*/
m.matcher = function (inputs, patterns, shouldNegate, alphaOmega) {
patterns = toarr(patterns).map(function (p) { return m.make(p, shouldNegate, alphaOmega); })
inputs = toarr(inputs)
var firstNegated = patterns[0].negated
var matchesToReturn = []
for (var i = 0; i < inputs.length; i++) {
var input = inputs[i]
// If first pattern is negated we include everything to match user expectation
var matches = firstNegated
for (var j = 0; j < patterns.length; j++) {
if (patterns[j].test(input)) {
matches = !patterns[j].negated
}
}
if (matches) { matchesToReturn.push(input) }
}
return matchesToReturn
}
/** @TODO: replace to-test **/
// m.test = (inputs, patterns) => m.matcher(inputs, patterns).length !== 0
module.exports = ObjectAssign(m.matcher, m)
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"file":"matcher.js","sources":["matcher.js"],"sourcesContent":["/**\n * @member matcher\n * @see https://github.com/sindresorhus/matcher/blob/master/index.js\n * @symb 🎯\n */\nconst ObjectAssign = require('../util/assign')\nconst isMatcher = require('../is/matcher')\nconst cache = require('../cache')\nconst toarr = require('../to-arr')\nconst toRegExp = require('./to-regexp')\n\nconst m = {}\n\n/**\n * @desc turn any string[], function[], or RegExp[] into a matcher\n * @memberOf matcher\n * @since 3.0.0\n * @func make\n *\n * @param  {Array<string> | string | Function | RegExp} pattern a matchable pattern\n * @param  {boolean | undefined} shouldNegate turn into a negated regex\n * @param  {boolean | undefined} alphaOmega should have regex start at the beginning and the end\n * @return {Array<string> | string | Function | RegExp} matchable\n *\n * @example\n *\n *    matcher.make('*')\n *    //=> RegExp('.*', 'i')\n *\n * @example\n *\n *    var any = new RgExp('.*', 'i')\n *    matcher.make(any)\n *    //=> any\n *\n * @example\n *\n *    var strings = x => typeof x === 'string'\n *    matcher.make(strings)\n *    // {test: strings}\n *\n * @example\n *\n *    var tester = {test: x => x === true}\n *    matcher.make(tester)\n *    // tester\n *\n * @example\n *\n *    var noName = '!name'\n *    matcher.make(noName, true)\n *    // new RegExp('(?:name)', 'i')\n *\n * @example\n *\n *    var noName = '!name'\n *    matcher.make(noName, true, true)\n *    // new RegExp('^(?:name)$', 'i')\n *\n */\nm.make = (pattern, shouldNegate, alphaOmega) => {\n  if (cache.has(pattern)) return cache.get(pattern)\n\n  let matchable = pattern\n  if (isMatcher(matchable) && !matchable.test) matchable.test = matchable\n  if (isMatcher(matchable)) return matchable\n\n  let negated = matchable[0] === '!'\n  if (negated) matchable = matchable.slice(1)\n  matchable = toRegExp(matchable)\n\n  if (negated && shouldNegate) matchable = `(?!${matchable})`\n  if (alphaOmega) matchable = `^${matchable}$`\n\n  matchable = new RegExp(`${matchable}`, 'i')\n  matchable.negated = negated\n\n  cache.set(pattern, matchable)\n  return matchable\n}\n\n/**\n * @desc same as .make but also accepts inputs, and returns an array\n * @memberOf matcher\n * @func match\n * @since 3.0.0\n *\n * @param  {Array<string> | string} inputs input to use patterns as predicates on\n * @param  {Array<string> | string | Function | RegExp} patterns predicates to match with, transformed to Matcher\n * @param  {boolean | undefined} shouldNegate should negate, passed to matcher.make\n * @param  {boolean | undefined} alphaOmega should enforce regex @beginning and end, passed to .matcher\n * @return {Array<any>}\n *\n * @see Matcher.make\n * @see compose/Observe\n *\n * @example\n *\n *\n *   matcher(['foo', 'bar', 'moo'], ['*oo', '!foo']);\n *   //=> ['moo']\n *\n *   matcher(['foo', 'bar', 'moo'], ['!*oo']);\n *\n *\n * @example\n *\n *\n *   matcher('kinga', 'kinga')\n *   //=> ['kinga']\n *   matcher('k*nga', 'kinga')\n *   //=> ['kinga']\n *   matcher('kinga', 'nope')\n *   //=> []\n *\n *   matcher(new RegExp(/kinga/), 'kinga')\n *   //=> ['kinga']\n *   matcher(new RegExp(/kinga/), 'nope')\n *   //=> ['nope']\n *\n *   matcher(x => x === 'kinga', 'kinga')\n *   //=> ['kinga']\n *   matcher(x => x === 'kinga', 'nope')\n *   //=> []\n *\n *   matcher({test: x => x === 'kinga'}, 'kinga')\n *   //=> ['kinga']\n *   matcher({test: x => x === 'kinga'}, 'nope')\n *   //=> []\n *\n *\n */\nm.matcher = (inputs, patterns, shouldNegate, alphaOmega) => {\n  patterns = toarr(patterns).map(p => m.make(p, shouldNegate, alphaOmega))\n  inputs = toarr(inputs)\n\n  const firstNegated = patterns[0].negated\n  const matchesToReturn = []\n\n  for (var i = 0; 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