source: trip-planner-front/node_modules/webpack/lib/dependencies/SystemPlugin.js@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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File size: 3.7 KB
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1/*
2 MIT License http://www.opensource.org/licenses/mit-license.php
3 Author Tobias Koppers @sokra
4*/
5
6"use strict";
7
8const RuntimeGlobals = require("../RuntimeGlobals");
9const WebpackError = require("../WebpackError");
10const {
11 evaluateToString,
12 expressionIsUnsupported,
13 toConstantDependency
14} = require("../javascript/JavascriptParserHelpers");
15const makeSerializable = require("../util/makeSerializable");
16const ConstDependency = require("./ConstDependency");
17const SystemRuntimeModule = require("./SystemRuntimeModule");
18
19/** @typedef {import("../Compiler")} Compiler */
20
21class SystemPlugin {
22 /**
23 * Apply the plugin
24 * @param {Compiler} compiler the compiler instance
25 * @returns {void}
26 */
27 apply(compiler) {
28 compiler.hooks.compilation.tap(
29 "SystemPlugin",
30 (compilation, { normalModuleFactory }) => {
31 compilation.hooks.runtimeRequirementInModule
32 .for(RuntimeGlobals.system)
33 .tap("SystemPlugin", (module, set) => {
34 set.add(RuntimeGlobals.requireScope);
35 });
36
37 compilation.hooks.runtimeRequirementInTree
38 .for(RuntimeGlobals.system)
39 .tap("SystemPlugin", (chunk, set) => {
40 compilation.addRuntimeModule(chunk, new SystemRuntimeModule());
41 });
42
43 const handler = (parser, parserOptions) => {
44 if (parserOptions.system === undefined || !parserOptions.system) {
45 return;
46 }
47
48 const setNotSupported = name => {
49 parser.hooks.evaluateTypeof
50 .for(name)
51 .tap("SystemPlugin", evaluateToString("undefined"));
52 parser.hooks.expression
53 .for(name)
54 .tap(
55 "SystemPlugin",
56 expressionIsUnsupported(
57 parser,
58 name + " is not supported by webpack."
59 )
60 );
61 };
62
63 parser.hooks.typeof
64 .for("System.import")
65 .tap(
66 "SystemPlugin",
67 toConstantDependency(parser, JSON.stringify("function"))
68 );
69 parser.hooks.evaluateTypeof
70 .for("System.import")
71 .tap("SystemPlugin", evaluateToString("function"));
72 parser.hooks.typeof
73 .for("System")
74 .tap(
75 "SystemPlugin",
76 toConstantDependency(parser, JSON.stringify("object"))
77 );
78 parser.hooks.evaluateTypeof
79 .for("System")
80 .tap("SystemPlugin", evaluateToString("object"));
81
82 setNotSupported("System.set");
83 setNotSupported("System.get");
84 setNotSupported("System.register");
85
86 parser.hooks.expression.for("System").tap("SystemPlugin", expr => {
87 const dep = new ConstDependency(RuntimeGlobals.system, expr.range, [
88 RuntimeGlobals.system
89 ]);
90 dep.loc = expr.loc;
91 parser.state.module.addPresentationalDependency(dep);
92 return true;
93 });
94
95 parser.hooks.call.for("System.import").tap("SystemPlugin", expr => {
96 parser.state.module.addWarning(
97 new SystemImportDeprecationWarning(expr.loc)
98 );
99
100 return parser.hooks.importCall.call({
101 type: "ImportExpression",
102 source: expr.arguments[0],
103 loc: expr.loc,
104 range: expr.range
105 });
106 });
107 };
108
109 normalModuleFactory.hooks.parser
110 .for("javascript/auto")
111 .tap("SystemPlugin", handler);
112 normalModuleFactory.hooks.parser
113 .for("javascript/dynamic")
114 .tap("SystemPlugin", handler);
115 }
116 );
117 }
118}
119
120class SystemImportDeprecationWarning extends WebpackError {
121 constructor(loc) {
122 super(
123 "System.import() is deprecated and will be removed soon. Use import() instead.\n" +
124 "For more info visit https://webpack.js.org/guides/code-splitting/"
125 );
126
127 this.name = "SystemImportDeprecationWarning";
128
129 this.loc = loc;
130 }
131}
132
133makeSerializable(
134 SystemImportDeprecationWarning,
135 "webpack/lib/dependencies/SystemPlugin",
136 "SystemImportDeprecationWarning"
137);
138
139module.exports = SystemPlugin;
140module.exports.SystemImportDeprecationWarning = SystemImportDeprecationWarning;
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