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author | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
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committer | Dimitri Staessens <[email protected]> | 2019-10-06 21:37:45 +0200 |
commit | 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch) | |
tree | c7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/fill-range/index.js | |
parent | 412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff) | |
download | website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip |
build: Add some required modules for node
Diffstat (limited to 'node_modules/fill-range/index.js')
-rw-r--r-- | node_modules/fill-range/index.js | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/node_modules/fill-range/index.js b/node_modules/fill-range/index.js new file mode 100644 index 0000000..294a2ed --- /dev/null +++ b/node_modules/fill-range/index.js @@ -0,0 +1,208 @@ +/*! + * fill-range <https://github.com/jonschlinkert/fill-range> + * + * Copyright (c) 2014-2015, 2017, Jon Schlinkert. + * Released under the MIT License. + */ + +'use strict'; + +var util = require('util'); +var isNumber = require('is-number'); +var extend = require('extend-shallow'); +var repeat = require('repeat-string'); +var toRegex = require('to-regex-range'); + +/** + * Return a range of numbers or letters. + * + * @param {String} `start` Start of the range + * @param {String} `stop` End of the range + * @param {String} `step` Increment or decrement to use. + * @param {Function} `fn` Custom function to modify each element in the range. + * @return {Array} + */ + +function fillRange(start, stop, step, options) { + if (typeof start === 'undefined') { + return []; + } + + if (typeof stop === 'undefined' || start === stop) { + // special case, for handling negative zero + var isString = typeof start === 'string'; + if (isNumber(start) && !toNumber(start)) { + return [isString ? '0' : 0]; + } + return [start]; + } + + if (typeof step !== 'number' && typeof step !== 'string') { + options = step; + step = undefined; + } + + if (typeof options === 'function') { + options = { transform: options }; + } + + var opts = extend({step: step}, options); + if (opts.step && !isValidNumber(opts.step)) { + if (opts.strictRanges === true) { + throw new TypeError('expected options.step to be a number'); + } + return []; + } + + opts.isNumber = isValidNumber(start) && isValidNumber(stop); + if (!opts.isNumber && !isValid(start, stop)) { + if (opts.strictRanges === true) { + throw new RangeError('invalid range arguments: ' + util.inspect([start, stop])); + } + return []; + } + + opts.isPadded = isPadded(start) || isPadded(stop); + opts.toString = opts.stringify + || typeof opts.step === 'string' + || typeof start === 'string' + || typeof stop === 'string' + || !opts.isNumber; + + if (opts.isPadded) { + opts.maxLength = Math.max(String(start).length, String(stop).length); + } + + // support legacy minimatch/fill-range options + if (typeof opts.optimize === 'boolean') opts.toRegex = opts.optimize; + if (typeof opts.makeRe === 'boolean') opts.toRegex = opts.makeRe; + return expand(start, stop, opts); +} + +function expand(start, stop, options) { + var a = options.isNumber ? toNumber(start) : start.charCodeAt(0); + var b = options.isNumber ? toNumber(stop) : stop.charCodeAt(0); + + var step = Math.abs(toNumber(options.step)) || 1; + if (options.toRegex && step === 1) { + return toRange(a, b, start, stop, options); + } + + var zero = {greater: [], lesser: []}; + var asc = a < b; + var arr = new Array(Math.round((asc ? b - a : a - b) / step)); + var idx = 0; + + while (asc ? a <= b : a >= b) { + var val = options.isNumber ? a : String.fromCharCode(a); + if (options.toRegex && (val >= 0 || !options.isNumber)) { + zero.greater.push(val); + } else { + zero.lesser.push(Math.abs(val)); + } + + if (options.isPadded) { + val = zeros(val, options); + } + + if (options.toString) { + val = String(val); + } + + if (typeof options.transform === 'function') { + arr[idx++] = options.transform(val, a, b, step, idx, arr, options); + } else { + arr[idx++] = val; + } + + if (asc) { + a += step; + } else { + a -= step; + } + } + + if (options.toRegex === true) { + return toSequence(arr, zero, options); + } + return arr; +} + +function toRange(a, b, start, stop, options) { + if (options.isPadded) { + return toRegex(start, stop, options); + } + + if (options.isNumber) { + return toRegex(Math.min(a, b), Math.max(a, b), options); + } + + var start = String.fromCharCode(Math.min(a, b)); + var stop = String.fromCharCode(Math.max(a, b)); + return '[' + start + '-' + stop + ']'; +} + +function toSequence(arr, zeros, options) { + var greater = '', lesser = ''; + if (zeros.greater.length) { + greater = zeros.greater.join('|'); + } + if (zeros.lesser.length) { + lesser = '-(' + zeros.lesser.join('|') + ')'; + } + var res = greater && lesser + ? greater + '|' + lesser + : greater || lesser; + + if (options.capture) { + return '(' + res + ')'; + } + return res; +} + +function zeros(val, options) { + if (options.isPadded) { + var str = String(val); + var len = str.length; + var dash = ''; + if (str.charAt(0) === '-') { + dash = '-'; + str = str.slice(1); + } + var diff = options.maxLength - len; + var pad = repeat('0', diff); + val = (dash + pad + str); + } + if (options.stringify) { + return String(val); + } + return val; +} + +function toNumber(val) { + return Number(val) || 0; +} + +function isPadded(str) { + return /^-?0\d/.test(str); +} + +function isValid(min, max) { + return (isValidNumber(min) || isValidLetter(min)) + && (isValidNumber(max) || isValidLetter(max)); +} + +function isValidLetter(ch) { + return typeof ch === 'string' && ch.length === 1 && /^\w+$/.test(ch); +} + +function isValidNumber(n) { + return isNumber(n) && !/\./.test(n); +} + +/** + * Expose `fillRange` + * @type {Function} + */ + +module.exports = fillRange; |