1 |
|
2 |
|
3 |
|
4 |
|
5 | "use strict";
|
6 |
|
7 | const { ConcatSource, RawSource } = require("webpack-sources");
|
8 |
|
9 | const stringifySafe = data => {
|
10 | const stringified = JSON.stringify(data);
|
11 | if (!stringified) {
|
12 | return undefined;
|
13 | }
|
14 |
|
15 | return stringified.replace(/\u2028|\u2029/g, str =>
|
16 | str === "\u2029" ? "\\u2029" : "\\u2028"
|
17 | );
|
18 | };
|
19 |
|
20 | class JsonGenerator {
|
21 | generate(module, dependencyTemplates, runtimeTemplate) {
|
22 | const source = new ConcatSource();
|
23 | const data = module.buildInfo.jsonData;
|
24 | if (data === undefined) {
|
25 | return new RawSource(
|
26 | runtimeTemplate.missingModuleStatement({
|
27 | request: module.rawRequest
|
28 | })
|
29 | );
|
30 | }
|
31 | let finalJson;
|
32 | if (
|
33 | Array.isArray(module.buildMeta.providedExports) &&
|
34 | !module.isUsed("default")
|
35 | ) {
|
36 |
|
37 | const reducedJson = {};
|
38 | for (const exportName of module.buildMeta.providedExports) {
|
39 | if (exportName === "default") continue;
|
40 | const used = module.isUsed(exportName);
|
41 | if (used) {
|
42 | reducedJson[used] = data[exportName];
|
43 | }
|
44 | }
|
45 | finalJson = reducedJson;
|
46 | } else {
|
47 | finalJson = data;
|
48 | }
|
49 |
|
50 | const jsonSource = JSON.stringify(stringifySafe(finalJson));
|
51 | const jsonExpr = `JSON.parse(${jsonSource})`;
|
52 | source.add(`${module.moduleArgument}.exports = ${jsonExpr};`);
|
53 | return source;
|
54 | }
|
55 | }
|
56 |
|
57 | module.exports = JsonGenerator;
|