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authorMinteck <contact@minteck.org>2022-06-04 08:51:01 +0200
committerMinteck <contact@minteck.org>2022-06-04 08:51:01 +0200
commit383285ecd5292bf9a825e05904955b937de84cc9 (patch)
tree0a53b6f02c1604b078044567c03dc1b6c944c8c2 /node_modules/yaml/dist/doc/applyReviver.js
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diff --git a/node_modules/yaml/dist/doc/applyReviver.js b/node_modules/yaml/dist/doc/applyReviver.js
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+'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;