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File size: 4,420 Bytes
d8a7a33 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | // @ts-check
/** This script modifies the project to support TS code in .svelte files like:
<script lang="ts">
export let name: string;
</script>
As well as validating the code for CI.
*/
/** To work on this script:
rm -rf test-template template && git clone sveltejs/template test-template && node scripts/setupTypeScript.js test-template
*/
import fs from "fs"
import path from "path"
import { argv } from "process"
import url from 'url';
const __filename = url.fileURLToPath(import.meta.url);
const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
const projectRoot = argv[2] || path.join(__dirname, "..")
// Add deps to pkg.json
const packageJSON = JSON.parse(fs.readFileSync(path.join(projectRoot, "package.json"), "utf8"))
packageJSON.devDependencies = Object.assign(packageJSON.devDependencies, {
"svelte-check": "^3.0.0",
"svelte-preprocess": "^5.0.0",
"@rollup/plugin-typescript": "^11.0.0",
"typescript": "^4.9.0",
"tslib": "^2.5.0",
"@tsconfig/svelte": "^3.0.0"
})
// Add script for checking
packageJSON.scripts = Object.assign(packageJSON.scripts, {
"check": "svelte-check"
})
// Write the package JSON
fs.writeFileSync(path.join(projectRoot, "package.json"), JSON.stringify(packageJSON, null, " "))
// mv src/main.js to main.ts - note, we need to edit rollup.config.js for this too
const beforeMainJSPath = path.join(projectRoot, "src", "main.js")
const afterMainTSPath = path.join(projectRoot, "src", "main.ts")
fs.renameSync(beforeMainJSPath, afterMainTSPath)
// Switch the app.svelte file to use TS
const appSveltePath = path.join(projectRoot, "src", "App.svelte")
let appFile = fs.readFileSync(appSveltePath, "utf8")
appFile = appFile.replace("<script>", '<script lang="ts">')
appFile = appFile.replace("export let name;", 'export let name: string;')
fs.writeFileSync(appSveltePath, appFile)
// Edit rollup config
const rollupConfigPath = path.join(projectRoot, "rollup.config.js")
let rollupConfig = fs.readFileSync(rollupConfigPath, "utf8")
// Edit imports
rollupConfig = rollupConfig.replace(`'rollup-plugin-css-only';`, `'rollup-plugin-css-only';
import sveltePreprocess from 'svelte-preprocess';
import typescript from '@rollup/plugin-typescript';`)
// Replace name of entry point
rollupConfig = rollupConfig.replace(`'src/main.js'`, `'src/main.ts'`)
// Add preprocessor
rollupConfig = rollupConfig.replace(
'compilerOptions:',
'preprocess: sveltePreprocess({ sourceMap: !production }),\n\t\t\tcompilerOptions:'
);
// Add TypeScript
rollupConfig = rollupConfig.replace(
'commonjs(),',
'commonjs(),\n\t\ttypescript({\n\t\t\tsourceMap: !production,\n\t\t\tinlineSources: !production\n\t\t}),'
);
fs.writeFileSync(rollupConfigPath, rollupConfig)
// Add svelte.config.js
const tsconfig = `{
"extends": "@tsconfig/svelte/tsconfig.json",
"include": ["src/**/*"],
"exclude": ["node_modules/*", "__sapper__/*", "public/*"]
}`
const tsconfigPath = path.join(projectRoot, "tsconfig.json")
fs.writeFileSync(tsconfigPath, tsconfig)
// Add TSConfig
const svelteConfig = `import sveltePreprocess from 'svelte-preprocess';
export default {
preprocess: sveltePreprocess()
};
`
const svelteConfigPath = path.join(projectRoot, "svelte.config.js")
fs.writeFileSync(svelteConfigPath, svelteConfig)
// Add global.d.ts
const dtsPath = path.join(projectRoot, "src", "global.d.ts")
fs.writeFileSync(dtsPath, `/// <reference types="svelte" />`)
// Delete this script, but not during testing
if (!argv[2]) {
// Remove the script
fs.unlinkSync(path.join(__filename))
// Check for Mac's DS_store file, and if it's the only one left remove it
const remainingFiles = fs.readdirSync(path.join(__dirname))
if (remainingFiles.length === 1 && remainingFiles[0] === '.DS_store') {
fs.unlinkSync(path.join(__dirname, '.DS_store'))
}
// Check if the scripts folder is empty
if (fs.readdirSync(path.join(__dirname)).length === 0) {
// Remove the scripts folder
fs.rmdirSync(path.join(__dirname))
}
}
// Adds the extension recommendation
fs.mkdirSync(path.join(projectRoot, ".vscode"), { recursive: true })
fs.writeFileSync(path.join(projectRoot, ".vscode", "extensions.json"), `{
"recommendations": ["svelte.svelte-vscode"]
}
`)
console.log("Converted to TypeScript.")
if (fs.existsSync(path.join(projectRoot, "node_modules"))) {
console.log("\nYou will need to re-run your dependency manager to get started.")
}
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