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tsconfig.js
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tsconfig.js
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import path from "path";
import fs from "fs";
import { createRequire } from "module";
import { fileURLToPath } from "url";
import globby from "globby";
const require = createRequire(import.meta.url);
const root = path.resolve(
path.dirname(fileURLToPath(import.meta.url)),
"../../"
);
function getTsPkgs(subRoot) {
return fs
.readdirSync(path.join(root, subRoot))
.filter(name => name.startsWith("babel-"))
.map(name => ({
name: name.replace(/^babel-/, "@babel/"),
dir: path.resolve(root, subRoot, name),
}))
.filter(({ dir }) => {
try {
fs.statSync(path.join(dir, "src", "index.ts"));
return true;
} catch {
return false;
}
});
}
const tsPkgs = [
...getTsPkgs("packages"),
...getTsPkgs("eslint"),
...getTsPkgs("codemods"),
];
function sourceDeps(packageDir) {
const files = globby.sync(`src/**/*.ts`, {
cwd: packageDir,
onlyFiles: true,
dot: true,
ignore: ["**/node_modules/**"],
});
const result = new Set();
for (const file of files) {
const filename = path.join(packageDir, file);
const source = fs.readFileSync(filename, { encoding: "utf8" });
for (const [importSource] of source.matchAll(
/(?<=from\s*")@babel\/[^"/]+/g
)) {
result.add(importSource);
}
}
return result;
}
for (const { dir } of tsPkgs) {
const pkg = require(`${dir}/package.json`);
try {
const tsconfig = require(`${dir}/tsconfig.json`);
// Don't overwrite manually written configs
if (!tsconfig.generated) continue;
} catch {}
const deps = new Set([
...(pkg.dependencies ? Object.keys(pkg.dependencies) : []),
...(pkg.peerDependencies ? Object.keys(pkg.peerDependencies) : []),
// todo(flow->ts): update dependencies in package.json if dependency declared incorrectly
...sourceDeps(dir),
]);
const references = [];
for (const dep of deps) {
if (!dep.startsWith("@babel/")) continue;
for (const { name, dir: depDir } of tsPkgs) {
if (name === dep) {
references.push({ path: path.relative(dir, depDir) });
break;
}
}
}
fs.writeFileSync(
path.resolve(dir, "tsconfig.json"),
JSON.stringify(
{
generated: true,
extends: "../../tsconfig.base.json",
compilerOptions: {
outDir: "./lib",
rootDir: "./src",
},
include: ["./src/**/*"],
references,
},
null,
2
)
);
}
fs.writeFileSync(
path.resolve(root, `tsconfig.json`),
JSON.stringify(
{
files: [],
references: tsPkgs.map(({ dir }) => ({
path: path.relative(root, dir),
})),
},
null,
2
)
);