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action-ansible-playbook/node_modules/yaml/dist/doc/applyReviver.js
2022-10-21 16:44:44 +02:00

56 lines
1.8 KiB
JavaScript

'use strict';
/**
* Applies the JSON.parse reviver algorithm as defined in the ECMA-262 spec,
* in section 24.5.1.1 "Runtime Semantics: InternalizeJSONProperty" of the
* 2021 edition: https://tc39.es/ecma262/#sec-json.parse
*
* Includes extensions for handling Map and Set objects.
*/
function applyReviver(reviver, obj, key, val) {
if (val && typeof val === 'object') {
if (Array.isArray(val)) {
for (let i = 0, len = val.length; i < len; ++i) {
const v0 = val[i];
const v1 = applyReviver(reviver, val, String(i), v0);
if (v1 === undefined)
delete val[i];
else if (v1 !== v0)
val[i] = v1;
}
}
else if (val instanceof Map) {
for (const k of Array.from(val.keys())) {
const v0 = val.get(k);
const v1 = applyReviver(reviver, val, k, v0);
if (v1 === undefined)
val.delete(k);
else if (v1 !== v0)
val.set(k, v1);
}
}
else if (val instanceof Set) {
for (const v0 of Array.from(val)) {
const v1 = applyReviver(reviver, val, v0, v0);
if (v1 === undefined)
val.delete(v0);
else if (v1 !== v0) {
val.delete(v0);
val.add(v1);
}
}
}
else {
for (const [k, v0] of Object.entries(val)) {
const v1 = applyReviver(reviver, val, k, v0);
if (v1 === undefined)
delete val[k];
else if (v1 !== v0)
val[k] = v1;
}
}
}
return reviver.call(obj, key, val);
}
exports.applyReviver = applyReviver;