Files
wxt/packages/browser/scripts/generate.ts
T

81 lines
2.6 KiB
TypeScript

import spawn from 'nano-spawn';
import fs from 'fs-extra';
import { fileURLToPath } from 'node:url';
import { dirname, join, resolve, sep } from 'node:path';
import { sep as posixSep } from 'node:path/posix';
// Fetch latest version
console.log('Getting latest version of \x1b[36m@types/chrome\x1b[0m');
await spawn('pnpm', ['i', '--ignore-scripts', '-D', '@types/chrome']);
// Generate new package.json
console.log('Generating new \x1b[36mpackage.json\x1b[0m');
const pkgJsonPath = fileURLToPath(
import.meta.resolve('@types/chrome/package.json'),
);
const pkgDir = dirname(pkgJsonPath);
const pkgJson = await fs.readJson(pkgJsonPath);
const pkgJsonTemplate = await fs.readFile('templates/package.json', 'utf8');
const newPkgJson = JSON.parse(
pkgJsonTemplate.replaceAll('{{chromeTypesVersion}}', pkgJson.version),
);
newPkgJson.dependencies = pkgJson.dependencies;
newPkgJson.peerDependencies = pkgJson.peerDependencies;
newPkgJson.peerDependenciesMeta = pkgJson.peerDependenciesMeta;
const outPkgJsonPath = resolve('package.json');
await fs.writeJson(outPkgJsonPath, newPkgJson);
await spawn('pnpm', ['-w', 'prettier', '--write', outPkgJsonPath]);
// Generate declaration files
console.log('Generating declaration files');
const outDir = resolve('src/gen');
const declarationFileMapping = (
await fs.readdir(pkgDir, {
recursive: true,
encoding: 'utf8',
})
)
// Filter to .d.ts files
.filter((file) => file.endsWith('.d.ts'))
// Map to usable paths
.map((file) => ({
file: file.replaceAll(sep, posixSep),
srcPath: join(pkgDir, file),
destPath: join(outDir, file),
}));
for (const { file, srcPath, destPath } of declarationFileMapping) {
const content = await fs.readFile(srcPath, 'utf8');
const transformedContent = transformFile(file, content);
const destDir = dirname(destPath);
await fs.mkdir(destDir, { recursive: true });
await fs.writeFile(destPath, transformedContent);
console.log(` \x1b[2m-\x1b[0m \x1b[36m${file}\x1b[0m`);
}
// Done!
console.log(
'\x1b[32m✔\x1b[0m Done in ' + performance.now().toFixed(0) + ' ms',
);
// Transformations
function transformFile(file: string, content: string): string {
return (
// Add prefix
`/* DO NOT EDIT - generated by scripts/generate.ts */\n\n${content}\n`
// Remove global type declaration
.replaceAll('chrome: typeof chrome;', '// chrome: typeof chrome;')
// Rename `chrome` namespace to `Browser` and export it
.replaceAll('declare namespace chrome', 'export namespace Browser')
// Update references to `chrome` namespace to `Browser`
.replaceAll('chrome.', 'Browser.')
);
}