@juit/check-updates/dist/npmrc.mjs

Small and fast utility to update package dependencies

// npmrc.ts
import fs from "node:fs/promises";
import path from "node:path";
import { parse } from "ini";
function replaceEnvironmentVariable(token) {
  return token.replace(/^\$\{?([^}]*)\}?$/, (_match, ...vars) => {
    return process.env[vars[0]] || "";
  });
}
async function readIniFile(filename) {
  try {
    const data = await fs.readFile(filename, "utf8");
    const npmrc = parse(data);
    for (const key in npmrc) {
      if (typeof npmrc[key] === "string") {
        npmrc[key] = replaceEnvironmentVariable(npmrc[key]);
      }
    }
    return npmrc;
  } catch (error) {
    if (error.code === "ENOENT") return {};
    throw error;
  }
}
async function readNpmRc(packageJsonFile) {
  const local = readIniFile(path.resolve(packageJsonFile, "..", ".npmrc"));
  const user = readIniFile(
    process.env.NPM_CONFIG_USERCONFIG ? process.env.NPM_CONFIG_USERCONFIG : process.env.HOME ? path.resolve(process.env.HOME, ".npmrc") : ""
  );
  const global = readIniFile(
    process.env.NPM_CONFIG_GLOBALCONFIG ? process.env.NPM_CONFIG_GLOBALCONFIG : "/etc/npmrc"
  );
  return Object.assign({}, ...await Promise.all([global, user, local]));
}
export {
  readNpmRc
};
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