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benthemonkeybenthemonkey
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add "single" option to RuntimeChunkPlugin
1 parent c963e3d commit c26c872

11 files changed

Lines changed: 65 additions & 4 deletions

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‎lib/WebpackOptionsApply.js‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -291,7 +291,7 @@ class WebpackOptionsApply extends OptionsApply {
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if(options.optimization.splitChunks)
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new SplitChunksPlugin(options.optimization.splitChunks).apply(compiler);
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if(options.optimization.runtimeChunk)
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new RuntimeChunkPlugin().apply(compiler);
294+
new RuntimeChunkPlugin(options.optimization.runtimeChunk).apply(compiler);
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if(options.optimization.noEmitOnErrors)
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new NoEmitOnErrorsPlugin().apply(compiler);
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if(options.optimization.namedModules)

‎lib/optimize/RuntimeChunkPlugin.js‎

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,15 +5,19 @@
55
"use strict";
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module.exports = class RuntimeChunkPlugin {
8-
constructor(options) {}
8+
constructor(options) {
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this.single = options === "single";
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}
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apply(compiler) {
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compiler.hooks.thisCompilation.tap("RuntimeChunkPlugin", compilation => {
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compilation.hooks.optimizeChunksAdvanced.tap("RuntimeChunkPlugin", () => {
15+
const singleRuntimeChunk = this.single ? compilation.addChunk("runtime") : undefined;
16+
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for(const entrypoint of compilation.entrypoints.values()) {
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const chunk = entrypoint.getRuntimeChunk();
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if(chunk.getNumberOfModules() > 0) {
16-
const newChunk = compilation.addChunk(entrypoint.name + "-runtime");
20+
const newChunk = this.single ? singleRuntimeChunk : compilation.addChunk(entrypoint.name + "-runtime");
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entrypoint.unshiftChunk(newChunk);
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newChunk.addGroup(entrypoint);
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entrypoint.setRuntimeChunk(newChunk);

‎schemas/WebpackOptions.json‎

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1484,7 +1484,16 @@
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},
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"runtimeChunk": {
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"description": "Create an additional chunk which contains only the webpack runtime and chunk hash maps",
1487-
"type": "boolean"
1487+
"oneOf": [
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{
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"type": "boolean"
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},
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{
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"enum": [
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"single"
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]
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}
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]
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},
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"noEmitOnErrors": {
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"description": "Avoid emitting assets when errors occur",

‎test/statsCases/runtime-chunk-single/e1.js‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
module.exports = "entry1";

‎test/statsCases/runtime-chunk-single/e2.js‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
module.exports = "entry2";

‎test/statsCases/runtime-chunk-single/expected.txt‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,2 @@
1+
Entrypoint e1 = runtime.js e1.js
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Entrypoint e2 = runtime.js e2.js

‎test/statsCases/runtime-chunk-single/webpack.config.js‎

Lines changed: 20 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,20 @@
1+
module.exports = {
2+
mode: "development",
3+
entry: {
4+
e1: "./e1",
5+
e2: "./e2"
6+
},
7+
output: {
8+
filename: "[name].js"
9+
},
10+
stats: {
11+
hash: false,
12+
timings: false,
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assets: false,
14+
modules: false,
15+
reasons: true
16+
},
17+
optimization: {
18+
runtimeChunk: "single"
19+
}
20+
};

‎test/statsCases/runtime-chunk/e1.js‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
module.exports = "entry1";

‎test/statsCases/runtime-chunk/e2.js‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
module.exports = "entry2";

‎test/statsCases/runtime-chunk/expected.txt‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,2 @@
1+
Entrypoint e1 = e1-runtime.js e1.js
2+
Entrypoint e2 = e2-runtime.js e2.js

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