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updates.js
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updates.js
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#!/usr/bin/env node
"use strict";
const args = require("minimist")(process.argv.slice(2), {
boolean: [
"color", "c",
"greatest", "g",
"help", "h",
"json", "j",
"no-color", "n",
"prerelease", "p",
"update", "u",
"version", "v",
],
string: [
"registry", "r",
],
default: {
"registry": "https://registry.npmjs.org/",
},
alias: {
c: "color",
e: "exclude",
g: "greatest",
h: "help",
i: "include",
j: "json",
n: "no-color",
p: "prerelease",
r: "registry",
u: "update",
v: "version",
},
});
if (args.help) {
process.stdout.write(`usage: updates [options]
Options:
-u, --update Update package.json
-p, --prerelease Consider prerelease versions
-j, --json Output a JSON object
-g, --greatest Prefer greatest over latest version
-i, --include <pkg,...> Only include given packages
-e, --exclude <pkg,...> Exclude given packages
-c, --color Force-enable color output
-n, --no-color Disable color output
-r, --registry Set a custom NPM registry url
-v, --version Print the version
-h, --help Print this help
Examples:
$ updates
$ updates -u
$ updates -u -e semver
`);
process.exit(0);
}
const path = require("path");
if (args.version) {
console.info(require(path.join(__dirname, "package.json")).version);
process.exit(0);
}
if (args["color"]) process.env.FORCE_COLOR = "1";
if (args["no-color"]) process.env.FORCE_COLOR = "0";
const fs = require("fs");
const semver = require("semver");
const columnify = require("columnify");
const chalk = require("chalk");
const esc = require("escape-string-regexp");
const url = args.registry.endsWith("/") ? args.registry : args.registry + "/";
const packageFile = path.join(process.cwd(), "package.json");
const versionPartRe = /^[0-9a-zA-Z-.]+$/;
const dependencyTypes = [
"dependencies",
"devDependencies",
"peerDependencies",
"optionalDependencies"
];
let pkg, pkgStr;
const deps = {};
try {
pkgStr = fs.readFileSync(packageFile, "utf8");
} catch (err) {
finish(new Error(`Unable to open package.json: ${err.message}`));
}
try {
pkg = JSON.parse(pkgStr);
} catch (err) {
finish(new Error(`Error parsing package.json: ${err.message}`));
}
let include, exclude;
if (args.include) include = args.include.split(",");
if (args.exclude) exclude = args.exclude.split(",");
dependencyTypes.forEach(key => {
if (pkg[key]) {
const names = Object.keys(pkg[key])
.filter(name => !include ? true : include.includes(name))
.filter(name => !exclude ? true : !exclude.includes(name));
names.forEach(name => {
const old = pkg[key][name];
if (isValidSemverRange(old)) {
deps[name] = {old};
}
});
}
});
if (!Object.keys(deps).length) {
finish(new Error("No packages match the given include/exclude parameters"));
}
const fetch = require("make-fetch-happen");
Promise.all(Object.keys(deps).map(dep => fetch(url + dep).then(r => r.json()))).then(d => {
d.forEach(data => {
let newVersion;
if (args.greatest) {
newVersion = findHighestVersion(Object.keys(data.versions));
} else {
newVersion = data["dist-tags"].latest;
}
const oldRange = deps[data.name].old;
const newRange = updateRange(oldRange, newVersion);
if (!newVersion || oldRange === newRange) {
delete deps[data.name];
} else {
deps[data.name].new = newRange;
}
});
// log results
if (!Object.keys(deps).length) {
finish("All packages are up to date.");
}
// exit if -u is not given
if (!args.update) {
finish(0);
}
fs.writeFile(packageFile, updatePkg(), "utf8", err => {
if (err) {
finish(new Error(`Error writing package.json: ${err.message}`));
} else {
finish(chalk.green(`
╭────────────────────────╮
│ package.json updated │
╰────────────────────────╯`.substring(1)));
}
});
}).catch(finish);
function finish(obj, opts) {
opts = opts || {};
const output = {};
const hadError = obj instanceof Error;
if (typeof obj === "string") {
output.message = obj;
} else if (hadError) {
output.error = obj.message;
}
if (args.json) {
if (!hadError) {
output.results = deps;
}
console.info(JSON.stringify(output, null, 2));
} else {
if (Object.keys(deps).length && !hadError) {
console.info(formatDeps(deps));
}
if (output.message || output.error) {
console.info(output.message || output.error);
}
}
process.exit(opts.exitCode || (output.error ? 1 : 0));
}
function highlightDiff(a, b, added) {
const aParts = a.split(/\./);
const bParts = b.split(/\./);
let res = "";
for (let i = 0; i < aParts.length; i++) {
if (aParts[i] !== bParts[i]) {
if (versionPartRe.test(aParts[i])) {
res += chalk[added ? "green" : "red"](aParts.slice(i).join("."));
} else {
res += aParts[i].split("").map(char => {
if (versionPartRe.test(char)) {
return chalk[added ? "green" : "red"](char);
} else {
return char;
}
}).join("") + chalk[added ? "green" : "red"]("." + aParts.slice(i + 1).join("."));
}
break;
} else {
res += aParts[i] + ".";
}
}
return res;
}
function formatDeps() {
return columnify(Object.keys(deps).map(dep => {
return {
"name": dep,
"old": highlightDiff(deps[dep].old, deps[dep].new, false),
"new": highlightDiff(deps[dep].new, deps[dep].old, true),
};
}), {
columnSplitter: " ".repeat(4),
});
}
function updatePkg() {
let newPkgStr = pkgStr;
Object.keys(deps).forEach(dep => {
const re = new RegExp(`"${esc(dep)}": +"${esc(deps[dep].old)}"`, "g");
newPkgStr = newPkgStr.replace(re, `"${dep}": "${deps[dep].new}"`);
});
return newPkgStr;
}
// naive regex replace
function updateRange(range, version) {
return range.replace(/[0-9]+\.[0-9]+\.[0-9]+(-.+)?/g, version);
}
function isValidSemverRange(range) {
let valid = false;
try {
semver.Range(range);
valid = true;
} catch (err) {}
return valid;
}
// find the newest version, ignoring prerelease version unless they are requested
function findHighestVersion(versions) {
let highest = "0.0.0";
while (versions.length) {
const parsed = semver.parse(versions.pop());
if (!args.prerelease && parsed.prerelease.length) continue;
if (semver.gt(parsed.version, highest)) {
highest = parsed.version;
}
}
return highest === "0.0.0" ? null : highest;
}