var Flatted = (function (Primitive, primitive) { /*! * ISC License * * Copyright (c) 2018, Andrea Giammarchi, @WebReflection * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ var Flatted = { parse: function parse(text, reviver) { var input = JSON.parse(text, Primitives).map(primitives); var value = input[0]; var $ = reviver || noop; var tmp = typeof value === 'object' && value ? revive(input, new Set, value, $) : value; return $.call({'': tmp}, '', tmp); }, stringify: function stringify(value, replacer, space) { for (var firstRun, known = new Map, input = [], output = [], $ = replacer && typeof replacer === typeof input ? function (k, v) { if (k === '' || -1 < replacer.indexOf(k)) return v; } : (replacer || noop), i = +set(known, input, $.call({'': value}, '', value)), replace = function (key, value) { if (firstRun) { firstRun = !firstRun; return value; } var after = $.call(this, key, value); switch (typeof after) { case 'object': if (after === null) return after; case primitive: return known.get(after) || set(known, input, after); } return after; }; i < input.length; i++ ) { firstRun = true; output[i] = JSON.stringify(input[i], replace, space); } return '[' + output.join(',') + ']'; } }; return Flatted; function noop(key, value) { return value; } function revive(input, parsed, output, $) { return Object.keys(output).reduce( function (output, key) { var value = output[key]; if (value instanceof Primitive) { var tmp = input[value]; if (typeof tmp === 'object' && !parsed.has(tmp)) { parsed.add(tmp); output[key] = $.call(output, key, revive(input, parsed, tmp, $)); } else { output[key] = $.call(output, key, tmp); } } else output[key] = $.call(output, key, value); return output; }, output ); } function set(known, input, value) { var index = Primitive(input.push(value) - 1); known.set(value, index); return index; } // the two kinds of primitives // 1. the real one // 2. the wrapped one function primitives(value) { return value instanceof Primitive ? Primitive(value) : value; } function Primitives(key, value) { return typeof value === primitive ? new Primitive(value) : value; } }(String, 'string'));