node_modules/webpack/lib/json/JsonData.js

   1 /*
   2         MIT License http://www.opensource.org/licenses/mit-license.php
   3         Author Tobias Koppers @sokra
   4 */
   5
   6 "use strict";
   7
   8 const { register } = require("../util/serialization");
   9
  10 class JsonData {
  11         constructor(data) {
  12                 this._buffer = undefined;
  13                 this._data = undefined;
  14                 if (Buffer.isBuffer(data)) {
  15                         this._buffer = data;
  16                 } else {
  17                         this._data = data;
  18                 }
  19         }
  20
  21         get() {
  22                 if (this._data === undefined && this._buffer !== undefined) {
  23                         this._data = JSON.parse(this._buffer.toString());
  24                 }
  25                 return this._data;
  26         }
  27
  28         updateHash(hash) {
  29                 if (this._buffer === undefined && this._data !== undefined) {
  30                         this._buffer = Buffer.from(JSON.stringify(this._data));
  31                 }
  32
  33                 if (this._buffer) return hash.update(this._buffer);
  34         }
  35 }
  36
  37 register(JsonData, "webpack/lib/json/JsonData", null, {
  38         serialize(obj, { write }) {
  39                 if (obj._buffer === undefined && obj._data !== undefined) {
  40                         obj._buffer = Buffer.from(JSON.stringify(obj._data));
  41                 }
  42                 write(obj._buffer);
  43         },
  44         deserialize({ read }) {
  45                 return new JsonData(read());
  46         }
  47 });
  48
  49 module.exports = JsonData;