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dish: properly serialize Javascript Maps as JSON

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When decoding CBOR it may happen that a Map is returned instead of an
object when the keys are not all strings.
Encode such Maps as array of key-value-pairs.
This commit is contained in:
Thomas Weißschuh 2021-09-17 19:37:20 +02:00
parent ae1b12c120
commit b9abc1886f
1 changed files with 12 additions and 1 deletions

13
src/core/dishTypes/DishJSON.mjs
View file

@ -7,6 +7,17 @@
import DishType from "./DishType.mjs";
import Utils from "../Utils.mjs";
/**
* Serialize Maps which are not natively compatible with JSON as an array of
* key-value-paris.
*/
function jsonStringifyReplacer(k, v) {
if (v instanceof Map) {
return [...v];
}
return v;
}
/**
* Translation methods for JSON dishes
*/
@ -17,7 +28,7 @@ class DishJSON extends DishType {
*/
static toArrayBuffer() {
DishJSON.checkForValue(this.value);
this.value = this.value !== undefined ? Utils.strToArrayBuffer(JSON.stringify(this.value, null, 4)) : new ArrayBuffer;
this.value = this.value !== undefined ? Utils.strToArrayBuffer(JSON.stringify(this.value, jsonStringifyReplacer, 4)) : new ArrayBuffer;
}
/**