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author | Florian Dold <florian.dold@gmail.com> | 2019-03-27 21:01:33 +0100 |
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committer | Florian Dold <florian.dold@gmail.com> | 2019-03-27 21:01:33 +0100 |
commit | cc97a4dd2a967e1c2273bd5f4c5f49a5bf2e2585 (patch) | |
tree | 92c5d88706a6ffc654d1b133618d357890e7096b /node_modules/to-regex-range/index.js | |
parent | 3771b4d6b67b34c130f3a9a1a15f42deefdb2eda (diff) |
remove node_modules
Diffstat (limited to 'node_modules/to-regex-range/index.js')
-rw-r--r-- | node_modules/to-regex-range/index.js | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/node_modules/to-regex-range/index.js b/node_modules/to-regex-range/index.js deleted file mode 100644 index 7bb5a743e..000000000 --- a/node_modules/to-regex-range/index.js +++ /dev/null @@ -1,294 +0,0 @@ -/*! - * to-regex-range <https://github.com/jonschlinkert/to-regex-range> - * - * Copyright (c) 2015, 2017, Jon Schlinkert. - * Released under the MIT License. - */ - -'use strict'; - -var repeat = require('repeat-string'); -var isNumber = require('is-number'); -var cache = {}; - -function toRegexRange(min, max, options) { - if (isNumber(min) === false) { - throw new RangeError('toRegexRange: first argument is invalid.'); - } - - if (typeof max === 'undefined' || min === max) { - return String(min); - } - - if (isNumber(max) === false) { - throw new RangeError('toRegexRange: second argument is invalid.'); - } - - options = options || {}; - var relax = String(options.relaxZeros); - var shorthand = String(options.shorthand); - var capture = String(options.capture); - var key = min + ':' + max + '=' + relax + shorthand + capture; - if (cache.hasOwnProperty(key)) { - return cache[key].result; - } - - var a = Math.min(min, max); - var b = Math.max(min, max); - - if (Math.abs(a - b) === 1) { - var result = min + '|' + max; - if (options.capture) { - return '(' + result + ')'; - } - return result; - } - - var isPadded = padding(min) || padding(max); - var positives = []; - var negatives = []; - - var tok = {min: min, max: max, a: a, b: b}; - if (isPadded) { - tok.isPadded = isPadded; - tok.maxLen = String(tok.max).length; - } - - if (a < 0) { - var newMin = b < 0 ? Math.abs(b) : 1; - var newMax = Math.abs(a); - negatives = splitToPatterns(newMin, newMax, tok, options); - a = tok.a = 0; - } - - if (b >= 0) { - positives = splitToPatterns(a, b, tok, options); - } - - tok.negatives = negatives; - tok.positives = positives; - tok.result = siftPatterns(negatives, positives, options); - - if (options.capture && (positives.length + negatives.length) > 1) { - tok.result = '(' + tok.result + ')'; - } - - cache[key] = tok; - return tok.result; -} - -function siftPatterns(neg, pos, options) { - var onlyNegative = filterPatterns(neg, pos, '-', false, options) || []; - var onlyPositive = filterPatterns(pos, neg, '', false, options) || []; - var intersected = filterPatterns(neg, pos, '-?', true, options) || []; - var subpatterns = onlyNegative.concat(intersected).concat(onlyPositive); - return subpatterns.join('|'); -} - -function splitToRanges(min, max) { - min = Number(min); - max = Number(max); - - var nines = 1; - var stops = [max]; - var stop = +countNines(min, nines); - - while (min <= stop && stop <= max) { - stops = push(stops, stop); - nines += 1; - stop = +countNines(min, nines); - } - - var zeros = 1; - stop = countZeros(max + 1, zeros) - 1; - - while (min < stop && stop <= max) { - stops = push(stops, stop); - zeros += 1; - stop = countZeros(max + 1, zeros) - 1; - } - - stops.sort(compare); - return stops; -} - -/** - * Convert a range to a regex pattern - * @param {Number} `start` - * @param {Number} `stop` - * @return {String} - */ - -function rangeToPattern(start, stop, options) { - if (start === stop) { - return {pattern: String(start), digits: []}; - } - - var zipped = zip(String(start), String(stop)); - var len = zipped.length, i = -1; - - var pattern = ''; - var digits = 0; - - while (++i < len) { - var numbers = zipped[i]; - var startDigit = numbers[0]; - var stopDigit = numbers[1]; - - if (startDigit === stopDigit) { - pattern += startDigit; - - } else if (startDigit !== '0' || stopDigit !== '9') { - pattern += toCharacterClass(startDigit, stopDigit); - - } else { - digits += 1; - } - } - - if (digits) { - pattern += options.shorthand ? '\\d' : '[0-9]'; - } - - return { pattern: pattern, digits: [digits] }; -} - -function splitToPatterns(min, max, tok, options) { - var ranges = splitToRanges(min, max); - var len = ranges.length; - var idx = -1; - - var tokens = []; - var start = min; - var prev; - - while (++idx < len) { - var range = ranges[idx]; - var obj = rangeToPattern(start, range, options); - var zeros = ''; - - if (!tok.isPadded && prev && prev.pattern === obj.pattern) { - if (prev.digits.length > 1) { - prev.digits.pop(); - } - prev.digits.push(obj.digits[0]); - prev.string = prev.pattern + toQuantifier(prev.digits); - start = range + 1; - continue; - } - - if (tok.isPadded) { - zeros = padZeros(range, tok); - } - - obj.string = zeros + obj.pattern + toQuantifier(obj.digits); - tokens.push(obj); - start = range + 1; - prev = obj; - } - - return tokens; -} - -function filterPatterns(arr, comparison, prefix, intersection, options) { - var res = []; - - for (var i = 0; i < arr.length; i++) { - var tok = arr[i]; - var ele = tok.string; - - if (options.relaxZeros !== false) { - if (prefix === '-' && ele.charAt(0) === '0') { - if (ele.charAt(1) === '{') { - ele = '0*' + ele.replace(/^0\{\d+\}/, ''); - } else { - ele = '0*' + ele.slice(1); - } - } - } - - if (!intersection && !contains(comparison, 'string', ele)) { - res.push(prefix + ele); - } - - if (intersection && contains(comparison, 'string', ele)) { - res.push(prefix + ele); - } - } - return res; -} - -/** - * Zip strings (`for in` can be used on string characters) - */ - -function zip(a, b) { - var arr = []; - for (var ch in a) arr.push([a[ch], b[ch]]); - return arr; -} - -function compare(a, b) { - return a > b ? 1 : b > a ? -1 : 0; -} - -function push(arr, ele) { - if (arr.indexOf(ele) === -1) arr.push(ele); - return arr; -} - -function contains(arr, key, val) { - for (var i = 0; i < arr.length; i++) { - if (arr[i][key] === val) { - return true; - } - } - return false; -} - -function countNines(min, len) { - return String(min).slice(0, -len) + repeat('9', len); -} - -function countZeros(integer, zeros) { - return integer - (integer % Math.pow(10, zeros)); -} - -function toQuantifier(digits) { - var start = digits[0]; - var stop = digits[1] ? (',' + digits[1]) : ''; - if (!stop && (!start || start === 1)) { - return ''; - } - return '{' + start + stop + '}'; -} - -function toCharacterClass(a, b) { - return '[' + a + ((b - a === 1) ? '' : '-') + b + ']'; -} - -function padding(str) { - return /^-?(0+)\d/.exec(str); -} - -function padZeros(val, tok) { - if (tok.isPadded) { - var diff = Math.abs(tok.maxLen - String(val).length); - switch (diff) { - case 0: - return ''; - case 1: - return '0'; - default: { - return '0{' + diff + '}'; - } - } - } - return val; -} - -/** - * Expose `toRegexRange` - */ - -module.exports = toRegexRange; |