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authorDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
committerDimitri Staessens <[email protected]>2019-10-06 21:37:45 +0200
commit3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 (patch)
treec7ccc8279b12c4f7bdbbb4270d617e48f51722e4 /node_modules/fill-range/index.js
parent412c104bebc507bea9c94fd53b5bdc4b64cbfe31 (diff)
downloadwebsite-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.tar.gz
website-3c51c3be85bb0d1bdb87ea0d6632f1c256912f27.zip
build: Add some required modules for node
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+/*!
+ * 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;