tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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replacer-function-tojson.js (1339B)

      1 // Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-serializejsonproperty
      5 description: >
      6  Replacer function is called on result of toJSON method.
      7 info: |
      8  JSON.stringify ( value [ , replacer [ , space ] ] )
      9 
     10  [...]
     11  4. If Type(replacer) is Object, then
     12    a. If IsCallable(replacer) is true, then
     13      i. Let ReplacerFunction be replacer.
     14  [...]
     15  12. Return ? SerializeJSONProperty(the empty String, wrapper).
     16 
     17  SerializeJSONProperty ( key, holder )
     18 
     19  [...]
     20  2. If Type(value) is Object, then
     21    a. Let toJSON be ? Get(value, "toJSON").
     22    b. If IsCallable(toJSON) is true, then
     23      i. Set value to ? Call(toJSON, value, « key »).
     24  3. If ReplacerFunction is not undefined, then
     25    a. Set value to ? Call(ReplacerFunction, holder, « key, value »).
     26 ---*/
     27 
     28 assert.sameValue(
     29  JSON.stringify({
     30    toJSON: function() {
     31      return 'toJSON';
     32    },
     33  }, function(_key, value) {
     34    return value + '|replacer';
     35  }),
     36  '"toJSON|replacer"'
     37 );
     38 
     39 assert.sameValue(
     40  JSON.stringify({
     41    toJSON: function() {
     42      return {calls: 'toJSON'};
     43    },
     44  }, function(_key, value) {
     45    if (value && value.calls) {
     46      value.calls += '|replacer';
     47    }
     48 
     49    return value;
     50  }),
     51  '{"calls":"toJSON|replacer"}'
     52 );
     53 
     54 reportCompare(0, 0);