@kwiz/common
Version:
KWIZ common utilities and helpers for M365 platform
131 lines • 4.3 kB
JavaScript
/* eslint-disable */
import { isNullOrEmptyArray } from "./typecheckers";
/** Version 3.2.9 */
/**
* Fast and minimal circular JSON parser.
* logic example
```js
var a = [{one: 1}, {two: '2'}];
a[0].a = a;
// a is the main object, will be at index '0'
// {one: 1} is the second object, index '1'
// {two: '2'} the third, in '2', and it has a string
// which will be found at index '3'
Flatted.stringify(a);
// [["1","2"],{"one":1,"a":"0"},{"two":"3"},"2"]
// a[one,two] {one: 1, a} {two: '2'} '2'
```
*/
const { parse: $parse, stringify: $stringify } = JSON;
const { keys } = Object;
const Primitive = String; // it could be Number
const primitive = 'string'; // it could be 'number'
const ignore = {};
const object = 'object';
const noop = (_, value) => value;
const primitives = value => (value instanceof Primitive ? Primitive(value) : value);
const Primitives = (_, value) => (typeof value === primitive ? new Primitive(value) : value);
const revive = (input, parsed, output, $) => {
const lazy = [];
for (let ke = keys(output), { length } = ke, y = 0; y < length; y++) {
const k = ke[y];
const value = output[k];
if (value instanceof Primitive) {
const tmp = input[value];
if (typeof tmp === object && !parsed.has(tmp)) {
parsed.add(tmp);
output[k] = ignore;
lazy.push({ k, a: [input, parsed, tmp, $] });
}
else
output[k] = $.call(output, k, tmp);
}
else if (output[k] !== ignore)
output[k] = $.call(output, k, value);
}
for (let { length } = lazy, i = 0; i < length; i++) {
const { k, a } = lazy[i];
output[k] = $.call(output, k, revive.apply(null, a));
}
return output;
};
const set = (known, input, value) => {
const index = Primitive(input.push(value) - 1);
known.set(value, index);
return index;
};
const parse = (text, reviver) => {
const input = $parse(text, Primitives).map(primitives);
const value = input[0];
const $ = reviver || noop;
const tmp = typeof value === object && value ?
revive(input, new Set, value, $) :
value;
return $.call({ '': tmp }, '', tmp);
};
//exports.parse = parse;
const stringify = (value, replacer, space) => {
const $ = replacer && typeof replacer === object ?
(k, v) => (k === '' || -1 < replacer.indexOf(k) ? v : void 0) :
(replacer || noop);
const known = new Map;
const input = [];
const output = [];
let i = +set(known, input, $.call({ '': value }, '', value));
let firstRun = !i;
while (i < input.length) {
firstRun = true;
output[i] = $stringify(input[i++], replace, space);
}
return '[' + output.join(',') + ']';
function replace(key, value) {
if (firstRun) {
firstRun = !firstRun;
return value;
}
const after = $.call(this, key, value);
switch (typeof after) {
case object:
if (after === null)
return after;
return known.get(after) || set(known, input, after);
case primitive:
return known.get(after) || set(known, input, after);
}
return after;
}
};
//exports.stringify = stringify;
const toJSON = any => $parse(stringify(any));
//exports.toJSON = toJSON;
const fromJSON = any => parse($stringify(any));
//exports.fromJSON = fromJSON;
/*! (c) 2020 Andrea Giammarchi */
/**
* Fast and minimal circular JSON parser.
* logic example
```js
var a = [{one: 1}, {two: '2'}];
a[0].a = a;
// a is the main object, will be at index '0'
// {one: 1} is the second object, index '1'
// {two: '2'} the third, in '2', and it has a string
// which will be found at index '3'
Flatted.stringify(a);
// [["1","2"],{"one":1,"a":"0"},{"two":"3"},"2"]
// a[one,two] {one: 1, a} {two: '2'} '2'
```
*/
export var flatted = {
toJSON: toJSON,
fromJSON: fromJSON,
stringify: stringify,
parse: parse
};
export function flattedClone(obj) {
if (isNullOrEmptyArray(obj))
return obj;
//json clone won't work on circular object. must use flatted.
return flatted.parse(flatted.stringify(obj));
}
//# sourceMappingURL=flatted.js.map