From 3c51c3be85bb0d1bdb87ea0d6632f1c256912f27 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Sun, 6 Oct 2019 21:37:45 +0200 Subject: build: Add some required modules for node --- node_modules/braces/lib/utils.js | 343 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 343 insertions(+) create mode 100644 node_modules/braces/lib/utils.js (limited to 'node_modules/braces/lib/utils.js') diff --git a/node_modules/braces/lib/utils.js b/node_modules/braces/lib/utils.js new file mode 100644 index 0000000..4716671 --- /dev/null +++ b/node_modules/braces/lib/utils.js @@ -0,0 +1,343 @@ +'use strict'; + +var splitString = require('split-string'); +var utils = module.exports; + +/** + * Module dependencies + */ + +utils.extend = require('extend-shallow'); +utils.flatten = require('arr-flatten'); +utils.isObject = require('isobject'); +utils.fillRange = require('fill-range'); +utils.repeat = require('repeat-element'); +utils.unique = require('array-unique'); + +utils.define = function(obj, key, val) { + Object.defineProperty(obj, key, { + writable: true, + configurable: true, + enumerable: false, + value: val + }); +}; + +/** + * Returns true if the given string contains only empty brace sets. + */ + +utils.isEmptySets = function(str) { + return /^(?:\{,\})+$/.test(str); +}; + +/** + * Returns true if the given string contains only empty brace sets. + */ + +utils.isQuotedString = function(str) { + var open = str.charAt(0); + if (open === '\'' || open === '"' || open === '`') { + return str.slice(-1) === open; + } + return false; +}; + +/** + * Create the key to use for memoization. The unique key is generated + * by iterating over the options and concatenating key-value pairs + * to the pattern string. + */ + +utils.createKey = function(pattern, options) { + var id = pattern; + if (typeof options === 'undefined') { + return id; + } + var keys = Object.keys(options); + for (var i = 0; i < keys.length; i++) { + var key = keys[i]; + id += ';' + key + '=' + String(options[key]); + } + return id; +}; + +/** + * Normalize options + */ + +utils.createOptions = function(options) { + var opts = utils.extend.apply(null, arguments); + if (typeof opts.expand === 'boolean') { + opts.optimize = !opts.expand; + } + if (typeof opts.optimize === 'boolean') { + opts.expand = !opts.optimize; + } + if (opts.optimize === true) { + opts.makeRe = true; + } + return opts; +}; + +/** + * Join patterns in `a` to patterns in `b` + */ + +utils.join = function(a, b, options) { + options = options || {}; + a = utils.arrayify(a); + b = utils.arrayify(b); + + if (!a.length) return b; + if (!b.length) return a; + + var len = a.length; + var idx = -1; + var arr = []; + + while (++idx < len) { + var val = a[idx]; + if (Array.isArray(val)) { + for (var i = 0; i < val.length; i++) { + val[i] = utils.join(val[i], b, options); + } + arr.push(val); + continue; + } + + for (var j = 0; j < b.length; j++) { + var bval = b[j]; + + if (Array.isArray(bval)) { + arr.push(utils.join(val, bval, options)); + } else { + arr.push(val + bval); + } + } + } + return arr; +}; + +/** + * Split the given string on `,` if not escaped. + */ + +utils.split = function(str, options) { + var opts = utils.extend({sep: ','}, options); + if (typeof opts.keepQuotes !== 'boolean') { + opts.keepQuotes = true; + } + if (opts.unescape === false) { + opts.keepEscaping = true; + } + return splitString(str, opts, utils.escapeBrackets(opts)); +}; + +/** + * Expand ranges or sets in the given `pattern`. + * + * @param {String} `str` + * @param {Object} `options` + * @return {Object} + */ + +utils.expand = function(str, options) { + var opts = utils.extend({rangeLimit: 10000}, options); + var segs = utils.split(str, opts); + var tok = { segs: segs }; + + if (utils.isQuotedString(str)) { + return tok; + } + + if (opts.rangeLimit === true) { + opts.rangeLimit = 10000; + } + + if (segs.length > 1) { + if (opts.optimize === false) { + tok.val = segs[0]; + return tok; + } + + tok.segs = utils.stringifyArray(tok.segs); + } else if (segs.length === 1) { + var arr = str.split('..'); + + if (arr.length === 1) { + tok.val = tok.segs[tok.segs.length - 1] || tok.val || str; + tok.segs = []; + return tok; + } + + if (arr.length === 2 && arr[0] === arr[1]) { + tok.escaped = true; + tok.val = arr[0]; + tok.segs = []; + return tok; + } + + if (arr.length > 1) { + if (opts.optimize !== false) { + opts.optimize = true; + delete opts.expand; + } + + if (opts.optimize !== true) { + var min = Math.min(arr[0], arr[1]); + var max = Math.max(arr[0], arr[1]); + var step = arr[2] || 1; + + if (opts.rangeLimit !== false && ((max - min) / step >= opts.rangeLimit)) { + throw new RangeError('expanded array length exceeds range limit. Use options.rangeLimit to increase or disable the limit.'); + } + } + + arr.push(opts); + tok.segs = utils.fillRange.apply(null, arr); + + if (!tok.segs.length) { + tok.escaped = true; + tok.val = str; + return tok; + } + + if (opts.optimize === true) { + tok.segs = utils.stringifyArray(tok.segs); + } + + if (tok.segs === '') { + tok.val = str; + } else { + tok.val = tok.segs[0]; + } + return tok; + } + } else { + tok.val = str; + } + return tok; +}; + +/** + * Ensure commas inside brackets and parens are not split. + * @param {Object} `tok` Token from the `split-string` module + * @return {undefined} + */ + +utils.escapeBrackets = function(options) { + return function(tok) { + if (tok.escaped && tok.val === 'b') { + tok.val = '\\b'; + return; + } + + if (tok.val !== '(' && tok.val !== '[') return; + var opts = utils.extend({}, options); + var brackets = []; + var parens = []; + var stack = []; + var val = tok.val; + var str = tok.str; + var i = tok.idx - 1; + + while (++i < str.length) { + var ch = str[i]; + + if (ch === '\\') { + val += (opts.keepEscaping === false ? '' : ch) + str[++i]; + continue; + } + + if (ch === '(') { + parens.push(ch); + stack.push(ch); + } + + if (ch === '[') { + brackets.push(ch); + stack.push(ch); + } + + if (ch === ')') { + parens.pop(); + stack.pop(); + if (!stack.length) { + val += ch; + break; + } + } + + if (ch === ']') { + brackets.pop(); + stack.pop(); + if (!stack.length) { + val += ch; + break; + } + } + val += ch; + } + + tok.split = false; + tok.val = val.slice(1); + tok.idx = i; + }; +}; + +/** + * Returns true if the given string looks like a regex quantifier + * @return {Boolean} + */ + +utils.isQuantifier = function(str) { + return /^(?:[0-9]?,[0-9]|[0-9],)$/.test(str); +}; + +/** + * Cast `val` to an array. + * @param {*} `val` + */ + +utils.stringifyArray = function(arr) { + return [utils.arrayify(arr).join('|')]; +}; + +/** + * Cast `val` to an array. + * @param {*} `val` + */ + +utils.arrayify = function(arr) { + if (typeof arr === 'undefined') { + return []; + } + if (typeof arr === 'string') { + return [arr]; + } + return arr; +}; + +/** + * Returns true if the given `str` is a non-empty string + * @return {Boolean} + */ + +utils.isString = function(str) { + return str != null && typeof str === 'string'; +}; + +/** + * Get the last element from `array` + * @param {Array} `array` + * @return {*} + */ + +utils.last = function(arr, n) { + return arr[arr.length - (n || 1)]; +}; + +utils.escapeRegex = function(str) { + return str.replace(/\\?([!^*?()[\]{}+?/])/g, '\\$1'); +}; -- cgit v1.2.3