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155 lines
4.4 KiB
155 lines
4.4 KiB
self.Flatted = (function (exports) { |
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'use strict'; |
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function _typeof(o) { |
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"@babel/helpers - typeof"; |
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return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { |
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return typeof o; |
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} : function (o) { |
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return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; |
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}, _typeof(o); |
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} |
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/// <reference types="../types/index.d.ts" /> |
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// (c) 2020-present Andrea Giammarchi |
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var $parse = JSON.parse, |
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$stringify = JSON.stringify; |
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var keys = Object.keys; |
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var Primitive = String; // it could be Number |
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var primitive = 'string'; // it could be 'number' |
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var ignore = {}; |
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var object = 'object'; |
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var noop = function noop(_, value) { |
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return value; |
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}; |
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var primitives = function primitives(value) { |
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return value instanceof Primitive ? Primitive(value) : value; |
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}; |
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var Primitives = function Primitives(_, value) { |
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return _typeof(value) === primitive ? new Primitive(value) : value; |
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}; |
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var resolver = function resolver(input, lazy, parsed, $) { |
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return function (output) { |
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for (var ke = keys(output), length = ke.length, y = 0; y < length; y++) { |
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var k = ke[y]; |
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var value = output[k]; |
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if (value instanceof Primitive) { |
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var tmp = input[+value]; |
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if (_typeof(tmp) === object && !parsed.has(tmp)) { |
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parsed.add(tmp); |
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output[k] = ignore; |
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lazy.push({ |
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o: output, |
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k: k, |
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r: tmp |
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}); |
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} else output[k] = $.call(output, k, tmp); |
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} else if (output[k] !== ignore) output[k] = $.call(output, k, value); |
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} |
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return output; |
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}; |
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}; |
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var set = function set(known, input, value) { |
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var index = Primitive(input.push(value) - 1); |
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known.set(value, index); |
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return index; |
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}; |
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/** |
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* Converts a specialized flatted string into a JS value. |
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* @param {string} text |
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* @param {(this: any, key: string, value: any) => any} [reviver] |
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* @returns {any} |
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*/ |
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var parse = function parse(text, reviver) { |
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var input = $parse(text, Primitives).map(primitives); |
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var $ = reviver || noop; |
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var value = input[0]; |
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if (_typeof(value) === object && value) { |
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var lazy = []; |
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var revive = resolver(input, lazy, new Set(), $); |
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value = revive(value); |
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var i = 0; |
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while (i < lazy.length) { |
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// it could be a lazy.shift() but that's costly |
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var _lazy$i = lazy[i++], |
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o = _lazy$i.o, |
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k = _lazy$i.k, |
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r = _lazy$i.r; |
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o[k] = $.call(o, k, revive(r)); |
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} |
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} |
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return $.call({ |
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'': value |
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}, '', value); |
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}; |
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/** |
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* Converts a JS value into a specialized flatted string. |
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* @param {any} value |
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* @param {((this: any, key: string, value: any) => any) | (string | number)[] | null | undefined} [replacer] |
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* @param {string | number | undefined} [space] |
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* @returns {string} |
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*/ |
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var stringify = function stringify(value, replacer, space) { |
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var $ = replacer && _typeof(replacer) === object ? function (k, v) { |
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return k === '' || -1 < replacer.indexOf(k) ? v : void 0; |
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} : replacer || noop; |
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var known = new Map(); |
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var input = []; |
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var output = []; |
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var i = +set(known, input, $.call({ |
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'': value |
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}, '', value)); |
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var firstRun = !i; |
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while (i < input.length) { |
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firstRun = true; |
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output[i] = $stringify(input[i++], replace, space); |
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} |
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return '[' + output.join(',') + ']'; |
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function replace(key, value) { |
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if (firstRun) { |
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firstRun = !firstRun; |
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return value; |
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} |
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var after = $.call(this, key, value); |
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switch (_typeof(after)) { |
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case object: |
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if (after === null) return after; |
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case primitive: |
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return known.get(after) || set(known, input, after); |
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} |
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return after; |
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} |
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}; |
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/** |
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* Converts a generic value into a JSON serializable object without losing recursion. |
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* @param {any} value |
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* @returns {any} |
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*/ |
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var toJSON = function toJSON(value) { |
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return $parse(stringify(value)); |
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}; |
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/** |
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* Converts a previously serialized object with recursion into a recursive one. |
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* @param {any} value |
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* @returns {any} |
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*/ |
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var fromJSON = function fromJSON(value) { |
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return parse($stringify(value)); |
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}; |
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exports.fromJSON = fromJSON; |
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exports.parse = parse; |
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exports.stringify = stringify; |
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exports.toJSON = toJSON; |
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return exports; |
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})({});
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