1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 | "use strict";
|
7 |
|
8 | const { ConcatSource } = require("webpack-sources");
|
9 | const { UsageState } = require("./ExportsInfo");
|
10 | const Template = require("./Template");
|
11 | const JavascriptModulesPlugin = require("./javascript/JavascriptModulesPlugin");
|
12 |
|
13 |
|
14 |
|
15 |
|
16 |
|
17 |
|
18 |
|
19 |
|
20 | const joinIterableWithComma = iterable => {
|
21 |
|
22 |
|
23 | let str = "";
|
24 | let first = true;
|
25 | for (const item of iterable) {
|
26 | if (first) {
|
27 | first = false;
|
28 | } else {
|
29 | str += ", ";
|
30 | }
|
31 | str += item;
|
32 | }
|
33 | return str;
|
34 | };
|
35 |
|
36 |
|
37 |
|
38 |
|
39 |
|
40 |
|
41 |
|
42 |
|
43 |
|
44 |
|
45 | const printExportsInfoToSource = (
|
46 | source,
|
47 | indent,
|
48 | exportsInfo,
|
49 | moduleGraph,
|
50 | requestShortener,
|
51 | alreadyPrinted = new Set()
|
52 | ) => {
|
53 | const otherExportsInfo = exportsInfo.otherExportsInfo;
|
54 |
|
55 | let alreadyPrintedExports = 0;
|
56 |
|
57 |
|
58 | const printedExports = [];
|
59 | for (const exportInfo of exportsInfo.orderedExports) {
|
60 | if (!alreadyPrinted.has(exportInfo)) {
|
61 | alreadyPrinted.add(exportInfo);
|
62 | printedExports.push(exportInfo);
|
63 | } else {
|
64 | alreadyPrintedExports++;
|
65 | }
|
66 | }
|
67 | let showOtherExports = false;
|
68 | if (!alreadyPrinted.has(otherExportsInfo)) {
|
69 | alreadyPrinted.add(otherExportsInfo);
|
70 | showOtherExports = true;
|
71 | } else {
|
72 | alreadyPrintedExports++;
|
73 | }
|
74 |
|
75 |
|
76 | for (const exportInfo of printedExports) {
|
77 | const target = exportInfo.getTarget(moduleGraph);
|
78 | source.add(
|
79 | Template.toComment(
|
80 | `${indent}export ${JSON.stringify(exportInfo.name).slice(
|
81 | 1,
|
82 | -1
|
83 | )} [${exportInfo.getProvidedInfo()}] [${exportInfo.getUsedInfo()}] [${exportInfo.getRenameInfo()}]${
|
84 | target
|
85 | ? ` -> ${target.module.readableIdentifier(requestShortener)}${
|
86 | target.export
|
87 | ? ` .${target.export
|
88 | .map(e => JSON.stringify(e).slice(1, -1))
|
89 | .join(".")}`
|
90 | : ""
|
91 | }`
|
92 | : ""
|
93 | }`
|
94 | ) + "\n"
|
95 | );
|
96 | if (exportInfo.exportsInfo) {
|
97 | printExportsInfoToSource(
|
98 | source,
|
99 | indent + " ",
|
100 | exportInfo.exportsInfo,
|
101 | moduleGraph,
|
102 | requestShortener,
|
103 | alreadyPrinted
|
104 | );
|
105 | }
|
106 | }
|
107 |
|
108 | if (alreadyPrintedExports) {
|
109 | source.add(
|
110 | Template.toComment(
|
111 | `${indent}... (${alreadyPrintedExports} already listed exports)`
|
112 | ) + "\n"
|
113 | );
|
114 | }
|
115 |
|
116 | if (showOtherExports) {
|
117 | const target = otherExportsInfo.getTarget(moduleGraph);
|
118 | if (
|
119 | target ||
|
120 | otherExportsInfo.provided !== false ||
|
121 | otherExportsInfo.getUsed(undefined) !== UsageState.Unused
|
122 | ) {
|
123 | const title =
|
124 | printedExports.length > 0 || alreadyPrintedExports > 0
|
125 | ? "other exports"
|
126 | : "exports";
|
127 | source.add(
|
128 | Template.toComment(
|
129 | `${indent}${title} [${otherExportsInfo.getProvidedInfo()}] [${otherExportsInfo.getUsedInfo()}]${
|
130 | target
|
131 | ? ` -> ${target.module.readableIdentifier(requestShortener)}`
|
132 | : ""
|
133 | }`
|
134 | ) + "\n"
|
135 | );
|
136 | }
|
137 | }
|
138 | };
|
139 |
|
140 | class ModuleInfoHeaderPlugin {
|
141 | |
142 |
|
143 |
|
144 |
|
145 | apply(compiler) {
|
146 | compiler.hooks.compilation.tap("ModuleInfoHeaderPlugin", compilation => {
|
147 | const hooks = JavascriptModulesPlugin.getCompilationHooks(compilation);
|
148 | hooks.renderModulePackage.tap(
|
149 | "ModuleInfoHeaderPlugin",
|
150 | (
|
151 | moduleSource,
|
152 | module,
|
153 | { chunk, chunkGraph, moduleGraph, runtimeTemplate }
|
154 | ) => {
|
155 | const { requestShortener } = runtimeTemplate;
|
156 | const source = new ConcatSource();
|
157 | const req = module.readableIdentifier(requestShortener);
|
158 | const reqStr = req.replace(/\*\//g, "*_/");
|
159 | const reqStrStar = "*".repeat(reqStr.length);
|
160 | source.add("/*!****" + reqStrStar + "****!*\\\n");
|
161 | source.add(" !*** " + reqStr + " ***!\n");
|
162 | source.add(" \\****" + reqStrStar + "****/\n");
|
163 | const exportsType = module.buildMeta.exportsType;
|
164 | source.add(
|
165 | Template.toComment(
|
166 | exportsType
|
167 | ? `${exportsType} exports`
|
168 | : "unknown exports (runtime-defined)"
|
169 | ) + "\n"
|
170 | );
|
171 | if (exportsType) {
|
172 | const exportsInfo = moduleGraph.getExportsInfo(module);
|
173 | printExportsInfoToSource(
|
174 | source,
|
175 | "",
|
176 | exportsInfo,
|
177 | moduleGraph,
|
178 | requestShortener
|
179 | );
|
180 | }
|
181 | source.add(
|
182 | Template.toComment(
|
183 | `runtime requirements: ${joinIterableWithComma(
|
184 | chunkGraph.getModuleRuntimeRequirements(module, chunk.runtime)
|
185 | )}`
|
186 | ) + "\n"
|
187 | );
|
188 | const optimizationBailout = moduleGraph.getOptimizationBailout(
|
189 | module
|
190 | );
|
191 | if (optimizationBailout) {
|
192 | for (const text of optimizationBailout) {
|
193 | let code;
|
194 | if (typeof text === "function") {
|
195 | code = text(requestShortener);
|
196 | } else {
|
197 | code = text;
|
198 | }
|
199 | source.add(Template.toComment(`${code}`) + "\n");
|
200 | }
|
201 | }
|
202 | source.add(moduleSource);
|
203 | return source;
|
204 | }
|
205 | );
|
206 | hooks.chunkHash.tap("ModuleInfoHeaderPlugin", (chunk, hash) => {
|
207 | hash.update("ModuleInfoHeaderPlugin");
|
208 | hash.update("1");
|
209 | });
|
210 | });
|
211 | }
|
212 | }
|
213 | module.exports = ModuleInfoHeaderPlugin;
|