summaryrefslogtreecommitdiff
path: root/node_modules/webpack/lib/json/JsonData.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/webpack/lib/json/JsonData.js')
-rw-r--r--node_modules/webpack/lib/json/JsonData.js74
1 files changed, 74 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/json/JsonData.js b/node_modules/webpack/lib/json/JsonData.js
new file mode 100644
index 00000000..cb39dfc0
--- /dev/null
+++ b/node_modules/webpack/lib/json/JsonData.js
@@ -0,0 +1,74 @@
+/*
+ MIT License http://www.opensource.org/licenses/mit-license.php
+ Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { register } = require("../util/serialization");
+
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
+/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
+/** @typedef {import("../util/Hash")} Hash */
+/** @typedef {import("./JsonModulesPlugin").RawJsonData} RawJsonData */
+
+class JsonData {
+ /**
+ * @param {Buffer | RawJsonData} data JSON data
+ */
+ constructor(data) {
+ /** @type {Buffer | undefined} */
+ this._buffer = undefined;
+ /** @type {RawJsonData | undefined} */
+ this._data = undefined;
+ if (Buffer.isBuffer(data)) {
+ this._buffer = data;
+ } else {
+ this._data = data;
+ }
+ }
+
+ /**
+ * @returns {RawJsonData|undefined} Raw JSON data
+ */
+ get() {
+ if (this._data === undefined && this._buffer !== undefined) {
+ this._data = JSON.parse(this._buffer.toString());
+ }
+ return this._data;
+ }
+
+ /**
+ * @param {Hash} hash hash to be updated
+ * @returns {void} the updated hash
+ */
+ updateHash(hash) {
+ if (this._buffer === undefined && this._data !== undefined) {
+ this._buffer = Buffer.from(JSON.stringify(this._data));
+ }
+
+ if (this._buffer) hash.update(this._buffer);
+ }
+}
+
+register(JsonData, "webpack/lib/json/JsonData", null, {
+ /**
+ * @param {JsonData} obj JSONData object
+ * @param {ObjectSerializerContext} context context
+ */
+ serialize(obj, { write }) {
+ if (obj._buffer === undefined && obj._data !== undefined) {
+ obj._buffer = Buffer.from(JSON.stringify(obj._data));
+ }
+ write(obj._buffer);
+ },
+ /**
+ * @param {ObjectDeserializerContext} context context
+ * @returns {JsonData} deserialized JSON data
+ */
+ deserialize({ read }) {
+ return new JsonData(read());
+ }
+});
+
+module.exports = JsonData;