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Prevent minifying server JS (#3533)

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* Prevent minifying server JS

* Add a changeset
This commit is contained in:
Matthew Phillips 2022-06-06 14:45:58 -04:00 committed by GitHub
parent 2aa43549e0
commit d7688f05c2
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2 changed files with 35 additions and 28 deletions
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5
.changeset/three-news-cry.md Normal file
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@ -0,0 +1,5 @@
---
'astro': patch
---
Prevent minifying server JS

58
packages/astro/src/vite-plugin-build-css/index.ts
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@ -3,6 +3,7 @@ import { BuildInternals } from '../core/build/internal';
import type { PageBuildData } from '../core/build/types';
import crypto from 'crypto';
import esbuild from 'esbuild';
import { Plugin as VitePlugin } from 'vite';
import { resolvedPagesVirtualModuleId } from '../core/app/index.js';
import { getPageDataByViteID, getPageDatasByClientOnlyID } from '../core/build/internal.js';
@ -13,7 +14,7 @@ interface PluginOptions {
target: 'client' | 'server';
}
export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[] {
const { internals } = options;
// This walks up the dependency graph and yields out each ModuleInfo object.
@ -68,8 +69,11 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
}
}
return {
name: '@astrojs/rollup-plugin-build-css',
const CSS_PLUGIN_NAME = '@astrojs/rollup-plugin-build-css';
const CSS_MINIFY_PLUGIN_NAME = '@astrojs/rollup-plugin-build-css-minify';
return [{
name: CSS_PLUGIN_NAME,
configResolved(resolvedConfig) {
// Our plugin needs to run before `vite:css-post` because we have to modify
@ -78,31 +82,8 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
const plugins = resolvedConfig.plugins as VitePlugin[];
const viteCSSPostIndex = resolvedConfig.plugins.findIndex((p) => p.name === 'vite:css-post');
if (viteCSSPostIndex !== -1) {
const viteCSSPost = plugins[viteCSSPostIndex];
// Wrap the renderChunk hook in CSSPost to enable minification.
// We do this instead of setting minification globally to avoid minifying
// server JS.
const renderChunk = viteCSSPost.renderChunk;
if (renderChunk) {
viteCSSPost.renderChunk = async function (...args) {
const minifyOption = resolvedConfig.build.minify;
if (minifyOption === false) {
resolvedConfig.build.minify = 'esbuild';
}
const result = await renderChunk.apply(this, args);
if (typeof result === 'string') {
return {
code: result,
};
}
resolvedConfig.build.minify = minifyOption;
return result || null;
};
}
// Move our plugin to be right before this one.
const ourIndex = plugins.findIndex((p) => p.name === '@astrojs/rollup-plugin-build-css');
const ourIndex = plugins.findIndex((p) => p.name === CSS_PLUGIN_NAME);
const ourPlugin = plugins[ourIndex];
// Remove us from where we are now and place us right before the viteCSSPost plugin
@ -188,5 +169,26 @@ export function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin {
}
}
},
};
}, {
name: CSS_MINIFY_PLUGIN_NAME,
enforce: 'post',
async generateBundle(_outputOptions, bundle) {
// Minify CSS in each bundle ourselves, since server builds are not minified
// so that the JS is debuggable. Since you cannot configure vite:css-post to minify
// we need to do it ourselves.
if(options.target === 'server') {
for(const [, output] of Object.entries(bundle)) {
if(output.type === 'asset') {
if(output.name?.endsWith('.css') && typeof output.source === 'string') {
const { code: minifiedCSS } = await esbuild.transform(output.source, {
loader: 'css',
minify: true,
});
output.source = minifiedCSS;
}
}
}
}
}
}];
}