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writeReadme.js
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60 lines (49 loc) · 1.43 KB
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const fs = require("fs");
const path = require("path");
const spawn = require("child_process").spawn;
function getGitSha() {
return new Promise((resolve, reject) => {
const proc = spawn("git", ["log", "--format=%H", "-n", "1"]);
let version = "";
proc.stdout.on("data", data => {
version += data;
});
proc.on("close", code => resolve(version.trim()));
proc.on("error", error => {
if (error.code == "ENOENT") {
reject(new Error("Could not find git."));
return;
}
reject(error);
});
});
}
function getPackageVersion(name) {
try {
const json = require(`${name}/package.json`);
const { version } = json;
return { name, version };
} catch (ex) {
return { name, version: "n/a" };
}
}
const packageOfInterest = [
"babel-plugin-transform-es2015-modules-commonjs",
"babel-preset-react",
"react",
"react-dom",
"webpack"
];
function getInterestingPackagesVersions() {
return Promise.all(packageOfInterest.map(p => getPackageVersion(p)));
}
async function writeReadme(target) {
const readmeText = fs.readFileSync(target, "utf8");
const packagesVersions = await getInterestingPackagesVersions();
const packageText = packagesVersions
.map(({ name, version }) => `- ${name} @${version}`)
.join("\n")
const newText = readmeText.replace(/(Packages:\n)(.|\n)*/m, `$1${packageText}\n`)
fs.writeFileSync(target, newText);
}
module.exports = writeReadme;