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feature: pass tsconfig to vite alias
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jonathantneal committed Mar 1, 2023
1 parent 045262e commit 03ce722
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Showing 9 changed files with 94 additions and 30 deletions.
5 changes: 5 additions & 0 deletions .changeset/strong-colts-study.md
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---
'astro': patch
---

Pass config aliases directly to Vite alias
34 changes: 4 additions & 30 deletions packages/astro/src/vite-plugin-config-alias/index.ts
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Expand Up @@ -64,14 +64,6 @@ const getConfigAlias = (settings: AstroSettings): Alias[] | null => {
}
}

// compile the baseUrl expression and push it to the list
// - `baseUrl` changes the way non-relative specifiers are resolved
// - if `baseUrl` exists then all non-relative specifiers are resolved relative to it
aliases.push({
find: /^(?!\.*\/)(.+)$/,
replacement: `${[...baseUrl].map((segment) => (segment === '$' ? '$$' : segment)).join('')}/$1`,
});

return aliases;
};

Expand All @@ -81,7 +73,6 @@ export default function configAliasVitePlugin({
}: {
settings: AstroSettings;
}): vite.PluginOption {
const { config } = settings;
/** Aliases from the tsconfig.json or jsconfig.json configuration. */
const configAlias = getConfigAlias(settings);

Expand All @@ -91,27 +82,10 @@ export default function configAliasVitePlugin({
return {
name: 'astro:tsconfig-alias',
enforce: 'pre',
async resolveId(sourceId: string, importer, options) {
/** Resolved ID conditionally handled by any other resolver. (this gives priority to all other resolvers) */
const resolvedId = await this.resolve(sourceId, importer, { skipSelf: true, ...options });

// if any other resolver handles the file, return that resolution
if (resolvedId) return resolvedId;

// conditionally resolve the source ID from any matching alias or baseUrl
for (const alias of configAlias) {
if (alias.find.test(sourceId)) {
/** Processed Source ID with our alias applied. */
const aliasedSourceId = sourceId.replace(alias.find, alias.replacement);

/** Resolved ID conditionally handled by any other resolver. (this also gives priority to all other resolvers) */
const resolvedAliasedId = await this.resolve(aliasedSourceId, importer, {
skipSelf: true,
...options,
});

// if the existing resolvers find the file, return that resolution
if (resolvedAliasedId) return resolvedAliasedId;
config() {
return {
resolve: {
alias: configAlias
}
}
},
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46 changes: 46 additions & 0 deletions packages/astro/test/alias-jsconfig.test.js
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import { expect } from 'chai';
import * as cheerio from 'cheerio';
import { isWindows, loadFixture } from './test-utils.js';

describe('Aliases with jsconfig.json', () => {
let fixture;

before(async () => {
fixture = await loadFixture({
root: './fixtures/alias-jsconfig/',
});
});

if (isWindows) return;

describe('dev', () => {
let devServer;

before(async () => {
devServer = await fixture.startDevServer();
});

after(async () => {
await devServer.stop();
});

it('can load client components', async () => {
const html = await fixture.fetch('/').then((res) => res.text());
const $ = cheerio.load(html);

const style = $('style');

// bundledCSS = (await fixture.readFile(bundledCSSHREF.replace(/^\/?/, '/')))
// .replace(/\s/g, '')
// .replace('/n', '');

expect(true).to.equal(true)

// Should render aliased element
// expect($('#client').text()).to.equal('test');

// const scripts = $('script').toArray();
// expect(scripts.length).to.be.greaterThan(0);
});
});
});
4 changes: 4 additions & 0 deletions packages/astro/test/fixtures/alias-jsconfig/astro.config.mjs
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import { defineConfig } from 'astro/config';

// https://astro.build/config
export default defineConfig({});
8 changes: 8 additions & 0 deletions packages/astro/test/fixtures/alias-jsconfig/package.json
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{
"name": "@test/aliases-jsconfig",
"version": "0.0.0",
"private": true,
"dependencies": {
"astro": "workspace:*"
}
}
15 changes: 15 additions & 0 deletions packages/astro/test/fixtures/alias-jsconfig/src/pages/index.astro
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---
import 'src:styles/index.css'
---
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width" />
<title>Aliases using JSConfig</title>
</head>
<body>
<main>
<h1>Aliases using JSConfig</h1>
</main>
</body>
</html>
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@import "src:styles/shared.css";
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*, ::before, ::after {
box-sizing: border-box;
}
8 changes: 8 additions & 0 deletions packages/astro/test/fixtures/alias-jsconfig/tsconfig.json
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{
"compilerOptions": {
"baseUrl": ".",
"paths": {
"src:*": ["src/*"]
}
}
}

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