add very basic library type "module"
This commit is contained in:
parent
89e95d6bda
commit
35807ca018
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@ -10,6 +10,8 @@ inc();
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print(value);
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resetCounter();
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print(value);
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export { inc, print };
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```
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# methods.js
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@ -39,11 +41,52 @@ export function reset() {
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```javascript
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/******/ "use strict";
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/******/ // The require scope
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/******/ var __webpack_require__ = {};
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/******/
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```
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<details><summary><code>/* webpack runtime code */</code></summary>
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``` js
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/************************************************************************/
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/******/ /* webpack/runtime/define property getters */
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/******/ (() => {
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/******/ // define getter functions for harmony exports
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/******/ __webpack_require__.d = (exports, definition) => {
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/******/ for(var key in definition) {
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/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
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/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
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/******/ }
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/******/ }
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/******/ };
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/******/ })();
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/******/
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/******/ /* webpack/runtime/hasOwnProperty shorthand */
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/******/ (() => {
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/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop))
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/******/ })();
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/******/
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/************************************************************************/
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```
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</details>
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``` js
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var __webpack_exports__ = {};
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/*!********************************!*\
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!*** ./example.js + 2 modules ***!
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\********************************/
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/*! namespace exports */
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/*! runtime requirements: */
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/*! export inc [provided] [used in main] [could be renamed] -> ./counter.js .increment */
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/*! export print [provided] [used in main] [could be renamed] -> ./methods.js .print */
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/*! runtime requirements: __webpack_exports__, __webpack_require__.d, __webpack_require__.* */
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// EXPORTS
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__webpack_require__.d(__webpack_exports__, {
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"inc": () => (/* reexport */ increment),
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"print": () => (/* reexport */ print)
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});
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;// CONCATENATED MODULE: ./counter.js
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let value = 0;
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@ -72,12 +115,18 @@ increment();
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print(value);
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counter_reset();
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print(value);
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var __webpack_exports__inc = __webpack_exports__.inc;
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var __webpack_exports__print = __webpack_exports__.print;
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export { __webpack_exports__inc as inc, __webpack_exports__print as print };
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```
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# dist/output.js (production)
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```javascript
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let o=0;function n(){o++}const c=o=>console.log(o);c(o),n(),n(),n(),c(o),o=0,c(o);
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var e={d:(o,r)=>{for(var t in r)e.o(r,t)&&!e.o(o,t)&&Object.defineProperty(o,t,{enumerable:!0,get:r[t]})},o:(e,o)=>Object.prototype.hasOwnProperty.call(e,o)},o={};e.d(o,{a:()=>t,S:()=>a});let r=0;function t(){r++}const a=e=>console.log(e);a(r),t(),t(),t(),a(r),r=0,a(r);var n=o.a,c=o.S;export{n as inc,c as print};
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```
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# Info
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@ -85,25 +134,29 @@ let o=0;function n(){o++}const c=o=>console.log(o);c(o),n(),n(),n(),c(o),o=0,c(o
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## Unoptimized
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```
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asset output.js 580 bytes [emitted] [javascript module] (name: main)
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chunk (runtime: main) output.js (main) 429 bytes [entry] [rendered]
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asset output.js 2.05 KiB [emitted] [javascript module] (name: main)
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chunk (runtime: main) output.js (main) 453 bytes (javascript) 396 bytes (runtime) [entry] [rendered]
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> ./example.js main
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./example.js + 2 modules 429 bytes [built] [code generated]
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[no exports]
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[no exports used]
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runtime modules 396 bytes 2 modules
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./example.js + 2 modules 453 bytes [built] [code generated]
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[exports: inc, print]
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[all exports used]
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entry ./example.js main
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webpack 5.11.1 compiled successfully
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used as library export
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webpack 5.20.2 compiled successfully
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```
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## Production mode
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```
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asset output.js 82 bytes [emitted] [javascript module] [minimized] (name: main)
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chunk (runtime: main) output.js (main) 429 bytes [entry] [rendered]
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asset output.js 314 bytes [emitted] [javascript module] [minimized] (name: main)
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chunk (runtime: main) output.js (main) 453 bytes (javascript) 396 bytes (runtime) [entry] [rendered]
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> ./example.js main
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./example.js + 2 modules 429 bytes [built] [code generated]
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[no exports]
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[no exports used]
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runtime modules 396 bytes 2 modules
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./example.js + 2 modules 453 bytes [built] [code generated]
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[exports: inc, print]
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[all exports used]
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entry ./example.js main
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webpack 5.11.1 compiled successfully
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used as library export
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webpack 5.20.2 compiled successfully
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```
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@ -7,3 +7,5 @@ inc();
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print(value);
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resetCounter();
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print(value);
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export { inc, print };
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@ -1,6 +1,9 @@
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module.exports = {
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output: {
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module: true
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module: true,
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library: {
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type: "module"
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}
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},
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optimization: {
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usedExports: true,
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@ -395,6 +395,7 @@ class ExportsInfo {
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setAllKnownExportsUsed(runtime) {
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let changed = false;
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for (const exportInfo of this._exports.values()) {
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if (!exportInfo.provided) continue;
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if (exportInfo.setUsed(UsageState.Used, runtime)) {
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changed = true;
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}
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@ -17,6 +17,7 @@ const JavascriptModulesPlugin = require("../javascript/JavascriptModulesPlugin")
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../javascript/JavascriptModulesPlugin").RenderContext} RenderContext */
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/** @typedef {import("../javascript/JavascriptModulesPlugin").StartupRenderContext} StartupRenderContext */
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/** @typedef {import("../util/Hash")} Hash */
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const COMMON_LIBRARY_NAME_MESSAGE =
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@ -52,28 +53,36 @@ class AbstractLibraryPlugin {
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apply(compiler) {
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const { _pluginName } = this;
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compiler.hooks.thisCompilation.tap(_pluginName, compilation => {
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compilation.hooks.finishModules.tap(_pluginName, () => {
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for (const [
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name,
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{
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dependencies: deps,
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options: { library }
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}
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] of compilation.entries) {
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const options = this._parseOptionsCached(
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library !== undefined ? library : compilation.outputOptions.library
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);
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if (options !== false) {
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const dep = deps[deps.length - 1];
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if (dep) {
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const module = compilation.moduleGraph.getModule(dep);
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if (module) {
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this.finishEntryModule(module, name, { options, compilation });
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compilation.hooks.finishModules.tap(
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{ name: _pluginName, stage: 10 },
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() => {
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for (const [
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name,
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{
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dependencies: deps,
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options: { library }
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}
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] of compilation.entries) {
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const options = this._parseOptionsCached(
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library !== undefined
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? library
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: compilation.outputOptions.library
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);
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if (options !== false) {
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const dep = deps[deps.length - 1];
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if (dep) {
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const module = compilation.moduleGraph.getModule(dep);
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if (module) {
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this.finishEntryModule(module, name, {
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options,
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compilation
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});
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}
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}
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}
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}
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}
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});
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);
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const getOptionsForChunk = chunk => {
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if (compilation.chunkGraph.getNumberOfEntryModules(chunk) === 0)
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@ -85,23 +94,47 @@ class AbstractLibraryPlugin {
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);
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};
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compilation.hooks.additionalChunkRuntimeRequirements.tap(
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_pluginName,
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(chunk, set) => {
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const options = getOptionsForChunk(chunk);
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if (options !== false) {
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this.runtimeRequirements(chunk, set, { options, compilation });
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if (
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this.render !== AbstractLibraryPlugin.prototype.render ||
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this.runtimeRequirements !==
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AbstractLibraryPlugin.prototype.runtimeRequirements
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) {
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compilation.hooks.additionalChunkRuntimeRequirements.tap(
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_pluginName,
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(chunk, set) => {
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const options = getOptionsForChunk(chunk);
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if (options !== false) {
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this.runtimeRequirements(chunk, set, { options, compilation });
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}
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}
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}
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);
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);
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}
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const hooks = JavascriptModulesPlugin.getCompilationHooks(compilation);
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hooks.render.tap(_pluginName, (source, renderContext) => {
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const options = getOptionsForChunk(renderContext.chunk);
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if (options === false) return source;
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return this.render(source, renderContext, { options, compilation });
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});
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if (this.render !== AbstractLibraryPlugin.prototype.render) {
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hooks.render.tap(_pluginName, (source, renderContext) => {
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const options = getOptionsForChunk(renderContext.chunk);
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if (options === false) return source;
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return this.render(source, renderContext, { options, compilation });
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});
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}
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if (
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this.renderStartup !== AbstractLibraryPlugin.prototype.renderStartup
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) {
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hooks.renderStartup.tap(
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_pluginName,
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(source, module, renderContext) => {
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const options = getOptionsForChunk(renderContext.chunk);
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if (options === false) return source;
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return this.renderStartup(source, module, renderContext, {
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options,
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compilation
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});
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}
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);
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}
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hooks.chunkHash.tap(_pluginName, (chunk, hash, context) => {
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const options = getOptionsForChunk(chunk);
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@ -151,7 +184,8 @@ class AbstractLibraryPlugin {
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* @returns {void}
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*/
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runtimeRequirements(chunk, set, libraryContext) {
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set.add(RuntimeGlobals.returnExportsFromRuntime);
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if (this.render !== AbstractLibraryPlugin.prototype.render)
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set.add(RuntimeGlobals.returnExportsFromRuntime);
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}
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/**
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@ -164,6 +198,17 @@ class AbstractLibraryPlugin {
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return source;
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}
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/**
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* @param {Source} source source
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* @param {Module} module module
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* @param {StartupRenderContext} renderContext render context
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* @param {LibraryContext<T>} libraryContext context
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* @returns {Source} source with library export
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*/
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renderStartup(source, module, renderContext, libraryContext) {
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return source;
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}
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/**
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* @param {Chunk} chunk the chunk
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* @param {Hash} hash hash
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@ -209,9 +209,13 @@ class EnableLibraryPlugin {
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}).apply(compiler);
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break;
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}
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case "module":
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// TODO implement module library
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case "module": {
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const ModuleLibraryPlugin = require("./ModuleLibraryPlugin");
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new ModuleLibraryPlugin({
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type
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}).apply(compiler);
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break;
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}
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default:
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throw new Error(`Unsupported library type ${type}.
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Plugins which provide custom library types must call EnableLibraryPlugin.setEnabled(compiler, type) to disable this error.`);
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@ -14,6 +14,7 @@ const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../javascript/JavascriptModulesPlugin").RenderContext} RenderContext */
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@ -84,6 +85,15 @@ class ExportPropertyLibraryPlugin extends AbstractLibraryPlugin {
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}
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moduleGraph.addExtraReason(module, "used as library export");
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}
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/**
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* @param {Chunk} chunk the chunk
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* @param {Set<string>} set runtime requirements
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* @param {LibraryContext<T>} libraryContext context
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* @returns {void}
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*/
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runtimeRequirements(chunk, set, libraryContext) {}
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/**
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* @param {Source} source source
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* @param {RenderContext} renderContext render context
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@ -0,0 +1,100 @@
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const { ConcatSource } = require("webpack-sources");
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const Template = require("../Template");
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const propertyAccess = require("../util/propertyAccess");
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const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
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/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Compilation").ChunkHashContext} ChunkHashContext */
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../javascript/JavascriptModulesPlugin").StartupRenderContext} StartupRenderContext */
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/** @typedef {import("../util/Hash")} Hash */
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/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */
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/**
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* @typedef {Object} ModuleLibraryPluginOptions
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* @property {LibraryType} type
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*/
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/**
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* @typedef {Object} ModuleLibraryPluginParsed
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* @property {string} name
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*/
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/**
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* @typedef {ModuleLibraryPluginParsed} T
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* @extends {AbstractLibraryPlugin<ModuleLibraryPluginParsed>}
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*/
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class ModuleLibraryPlugin extends AbstractLibraryPlugin {
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/**
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* @param {ModuleLibraryPluginOptions} options the plugin options
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*/
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constructor(options) {
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super({
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pluginName: "ModuleLibraryPlugin",
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type: options.type
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});
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}
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/**
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* @param {LibraryOptions} library normalized library option
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* @returns {T | false} preprocess as needed by overriding
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*/
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parseOptions(library) {
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const { name } = library;
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if (name) {
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throw new Error(
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`Library name must unset. ${AbstractLibraryPlugin.COMMON_LIBRARY_NAME_MESSAGE}`
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);
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}
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return {
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name: /** @type {string} */ (name)
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};
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}
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/**
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* @param {Source} source source
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* @param {Module} module module
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* @param {StartupRenderContext} renderContext render context
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* @param {LibraryContext<T>} libraryContext context
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* @returns {Source} source with library export
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*/
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renderStartup(
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source,
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module,
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{ moduleGraph, chunk },
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{ options, compilation }
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) {
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const result = new ConcatSource(source);
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const exportsInfo = moduleGraph.getExportsInfo(module);
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const exports = [];
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for (const exportInfo of exportsInfo.orderedExports) {
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if (!exportInfo.provided) continue;
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const varName = `__webpack_exports__${Template.toIdentifier(
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exportInfo.name
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)}`;
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result.add(
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`var ${varName} = __webpack_exports__${propertyAccess([
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exportInfo.getUsedName(exportInfo.name, chunk.runtime)
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])};\n`
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);
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exports.push(`${varName} as ${exportInfo.name}`);
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}
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if (exports.length > 0) {
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result.add(`export { ${exports.join(", ")} };\n`);
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}
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return result;
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}
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}
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module.exports = ModuleLibraryPlugin;
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@ -128,6 +128,12 @@ declare class AbstractLibraryPlugin<T> {
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renderContext: RenderContextObject,
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libraryContext: LibraryContext<T>
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): Source;
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renderStartup(
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source: Source,
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module: Module,
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renderContext: StartupRenderContext,
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libraryContext: LibraryContext<T>
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): Source;
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chunkHash(
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chunk: Chunk,
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hash: Hash,
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