1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
| /*
| MIT License http://www.opensource.org/licenses/mit-license.php
| */
|
| "use strict";
|
| const RuntimeGlobals = require("../RuntimeGlobals");
| const RuntimeModule = require("../RuntimeModule");
| const Template = require("../Template");
|
| class OnChunksLoadedRuntimeModule extends RuntimeModule {
| constructor() {
| super("chunk loaded");
| }
|
| /**
| * @returns {string} runtime code
| */
| generate() {
| const { compilation } = this;
| const { runtimeTemplate } = compilation;
| return Template.asString([
| "var deferred = [];",
| `${RuntimeGlobals.onChunksLoaded} = ${runtimeTemplate.basicFunction(
| "result, chunkIds, fn, priority",
| [
| "if(chunkIds) {",
| Template.indent([
| "priority = priority || 0;",
| "for(var i = deferred.length; i > 0 && deferred[i - 1][2] > priority; i--) deferred[i] = deferred[i - 1];",
| "deferred[i] = [chunkIds, fn, priority];",
| "return;"
| ]),
| "}",
| "var notFulfilled = Infinity;",
| "for (var i = 0; i < deferred.length; i++) {",
| Template.indent([
| runtimeTemplate.destructureArray(
| ["chunkIds", "fn", "priority"],
| "deferred[i]"
| ),
| "var fulfilled = true;",
| "for (var j = 0; j < chunkIds.length; j++) {",
| Template.indent([
| `if ((priority & 1 === 0 || notFulfilled >= priority) && Object.keys(${
| RuntimeGlobals.onChunksLoaded
| }).every(${runtimeTemplate.returningFunction(
| `${RuntimeGlobals.onChunksLoaded}[key](chunkIds[j])`,
| "key"
| )})) {`,
| Template.indent(["chunkIds.splice(j--, 1);"]),
| "} else {",
| Template.indent([
| "fulfilled = false;",
| "if(priority < notFulfilled) notFulfilled = priority;"
| ]),
| "}"
| ]),
| "}",
| "if(fulfilled) {",
| Template.indent([
| "deferred.splice(i--, 1)",
| "var r = fn();",
| "if (r !== undefined) result = r;"
| ]),
| "}"
| ]),
| "}",
| "return result;"
| ]
| )};`
| ]);
| }
| }
|
| module.exports = OnChunksLoadedRuntimeModule;
|
|
