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fix: array-form replacer should not filter Array elements #106

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fix: array-form replacer should not filter Array elements #106

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2 changes: 1 addition & 1 deletion cjs/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -86,7 +86,7 @@ exports.parse = parse;
*/
const stringify = (value, replacer, space) => {
const $ = replacer && typeof replacer === object ?
(k, v) => (k === '' || -1 < replacer.indexOf(k) ? v : void 0) :
function (k, v) { return k === '' || Array.isArray(this) || -1 < replacer.indexOf(k) ? v : void 0; } :
(replacer || noop);
const known = new Map;
const input = [];
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2 changes: 1 addition & 1 deletion esm/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,7 @@ export const parse = (text, reviver) => {
*/
export const stringify = (value, replacer, space) => {
const $ = replacer && typeof replacer === object ?
(k, v) => (k === '' || -1 < replacer.indexOf(k) ? v : void 0) :
function (k, v) { return k === '' || Array.isArray(this) || -1 < replacer.indexOf(k) ? v : void 0; } :
(replacer || noop);
const known = new Map;
const input = [];
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10 changes: 10 additions & 0 deletions test/index.js
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Expand Up @@ -390,6 +390,16 @@ if (typeof Symbol !== 'undefined') {
);
}());

(function () {
var a = ['a', 'b', 'c'];
var json = JSON.stringify(a, ['0']);
var restored = Flatted.parse(Flatted.stringify(a, ['0']));
console.assert(
JSON.stringify(restored) === json,
'whitelisted replacer does not filter Array values: '+ json
);
}());

(function () {
var a = { b: { '': { c: { d: 1 } } } };
a._circular = a.b[''];
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