nixpkgs-suyu/pkgs/development/tools/yarn2nix-moretea/yarn2nix/internal/fixup_bin.js
2022-10-26 19:30:06 -05:00

53 lines
1.6 KiB
JavaScript
Executable file

#!/usr/bin/env node
/* Usage:
* node fixup_bin.js <bin_dir> <modules_dir> [<bin_pkg_1>, <bin_pkg_2> ... ]
*/
const fs = require("fs");
const path = require("path");
const derivationBinPath = process.argv[2];
const nodeModules = process.argv[3];
const packagesToPublishBin = process.argv.slice(4);
function processPackage(name) {
console.log("fixup_bin: Processing ", name);
const packagePath = `${nodeModules}/${name}`;
const packageJsonPath = `${packagePath}/package.json`;
const packageJson = JSON.parse(fs.readFileSync(packageJsonPath));
if (!packageJson.bin) {
console.log("fixup_bin: No binaries provided");
return;
}
// There are two alternative syntaxes for `bin`
// a) just a plain string, in which case the name of the package is the name of the binary.
// b) an object, where key is the name of the eventual binary, and the value the path to that binary.
if (typeof packageJson.bin === "string") {
const binName = packageJson.bin;
packageJson.bin = {};
packageJson.bin[packageJson.name] = binName;
}
// eslint-disable-next-line no-restricted-syntax, guard-for-in
for (const binName in packageJson.bin) {
const binPath = packageJson.bin[binName];
const normalizedBinName = binName.replace("@", "").replace("/", "-");
const targetPath = path.normalize(`${packagePath}/${binPath}`);
const createdPath = `${derivationBinPath}/${normalizedBinName}`;
console.log(
`fixup_bin: creating link ${createdPath} that points to ${targetPath}`
);
fs.symlinkSync(targetPath, createdPath);
}
}
packagesToPublishBin.forEach(pkg => {
processPackage(pkg);
});