source: trip-planner-front/node_modules/webpack/lib/runtime/AsyncModuleRuntimeModule.js@ 6c1585f

Last change on this file since 6c1585f was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 4.1 KB
Line 
1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3*/
4
5"use strict";
6
7const RuntimeGlobals = require("../RuntimeGlobals");
8const Template = require("../Template");
9const HelperRuntimeModule = require("./HelperRuntimeModule");
10
11class AsyncModuleRuntimeModule extends HelperRuntimeModule {
12 constructor() {
13 super("async module");
14 }
15
16 /**
17 * @returns {string} runtime code
18 */
19 generate() {
20 const { runtimeTemplate } = this.compilation;
21 const fn = RuntimeGlobals.asyncModule;
22 return Template.asString([
23 'var webpackThen = typeof Symbol === "function" ? Symbol("webpack then") : "__webpack_then__";',
24 'var webpackExports = typeof Symbol === "function" ? Symbol("webpack exports") : "__webpack_exports__";',
25 `var completeQueue = ${runtimeTemplate.basicFunction("queue", [
26 "if(queue) {",
27 Template.indent([
28 `queue.forEach(${runtimeTemplate.expressionFunction(
29 "fn.r--",
30 "fn"
31 )});`,
32 `queue.forEach(${runtimeTemplate.expressionFunction(
33 "fn.r-- ? fn.r++ : fn()",
34 "fn"
35 )});`
36 ]),
37 "}"
38 ])}`,
39 `var completeFunction = ${runtimeTemplate.expressionFunction(
40 "!--fn.r && fn()",
41 "fn"
42 )};`,
43 `var queueFunction = ${runtimeTemplate.expressionFunction(
44 "queue ? queue.push(fn) : completeFunction(fn)",
45 "queue, fn"
46 )};`,
47 `var wrapDeps = ${runtimeTemplate.returningFunction(
48 `deps.map(${runtimeTemplate.basicFunction("dep", [
49 'if(dep !== null && typeof dep === "object") {',
50 Template.indent([
51 "if(dep[webpackThen]) return dep;",
52 "if(dep.then) {",
53 Template.indent([
54 "var queue = [];",
55 `dep.then(${runtimeTemplate.basicFunction("r", [
56 "obj[webpackExports] = r;",
57 "completeQueue(queue);",
58 "queue = 0;"
59 ])});`,
60 `var obj = {};
61 obj[webpackThen] = ${runtimeTemplate.expressionFunction(
62 "queueFunction(queue, fn), dep.catch(reject)",
63 "fn, reject"
64 )};`,
65 "return obj;"
66 ]),
67 "}"
68 ]),
69 "}",
70 `var ret = {};
71 ret[webpackThen] = ${runtimeTemplate.expressionFunction(
72 "completeFunction(fn)",
73 "fn"
74 )};
75 ret[webpackExports] = dep;
76 return ret;`
77 ])})`,
78 "deps"
79 )};`,
80 `${fn} = ${runtimeTemplate.basicFunction("module, body, hasAwait", [
81 "var queue = hasAwait && [];",
82 "var exports = module.exports;",
83 "var currentDeps;",
84 "var outerResolve;",
85 "var reject;",
86 "var isEvaluating = true;",
87 "var nested = false;",
88 `var whenAll = ${runtimeTemplate.basicFunction(
89 "deps, onResolve, onReject",
90 [
91 "if (nested) return;",
92 "nested = true;",
93 "onResolve.r += deps.length;",
94 `deps.map(${runtimeTemplate.expressionFunction(
95 "dep[webpackThen](onResolve, onReject)",
96 "dep, i"
97 )});`,
98 "nested = false;"
99 ]
100 )};`,
101 `var promise = new Promise(${runtimeTemplate.basicFunction(
102 "resolve, rej",
103 [
104 "reject = rej;",
105 `outerResolve = ${runtimeTemplate.expressionFunction(
106 "resolve(exports), completeQueue(queue), queue = 0"
107 )};`
108 ]
109 )});`,
110 "promise[webpackExports] = exports;",
111 `promise[webpackThen] = ${runtimeTemplate.basicFunction(
112 "fn, rejectFn",
113 [
114 "if (isEvaluating) { return completeFunction(fn); }",
115 "if (currentDeps) whenAll(currentDeps, fn, rejectFn);",
116 "queueFunction(queue, fn);",
117 "promise.catch(rejectFn);"
118 ]
119 )};`,
120 "module.exports = promise;",
121 `body(${runtimeTemplate.basicFunction("deps", [
122 "if(!deps) return outerResolve();",
123 "currentDeps = wrapDeps(deps);",
124 "var fn, result;",
125 `var promise = new Promise(${runtimeTemplate.basicFunction(
126 "resolve, reject",
127 [
128 `fn = ${runtimeTemplate.expressionFunction(
129 `resolve(result = currentDeps.map(${runtimeTemplate.returningFunction(
130 "d[webpackExports]",
131 "d"
132 )}))`
133 )};`,
134 "fn.r = 0;",
135 "whenAll(currentDeps, fn, reject);"
136 ]
137 )});`,
138 "return fn.r ? promise : result;"
139 ])}).then(outerResolve, reject);`,
140 "isEvaluating = false;"
141 ])};`
142 ]);
143 }
144}
145
146module.exports = AsyncModuleRuntimeModule;
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