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/*
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").JsonValue} JsonValue */
class JsonData {
/**
* @param {Buffer | JsonValue} data JSON data
*/
constructor(data) {
/** @type {Buffer | undefined} */
this._buffer = undefined;
/** @type {JsonValue | undefined} */
this._data = undefined;
if (Buffer.isBuffer(data)) {
this._buffer = data;
} else {
this._data = data;
}
}
/**
* @returns {JsonValue | 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;