aho
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ultra simple project scaffolding
736 lines (729 loc) • 22.7 kB
JavaScript
// node_modules/.pnpm/cac@6.7.12/node_modules/cac/dist/index.mjs
import { EventEmitter } from "events";
function toArr(any) {
return any == null ? [] : Array.isArray(any) ? any : [any];
}
function toVal(out, key, val, opts) {
var x, old = out[key], nxt = !!~opts.string.indexOf(key) ? val == null || val === true ? "" : String(val) : typeof val === "boolean" ? val : !!~opts.boolean.indexOf(key) ? val === "false" ? false : val === "true" || (out._.push((x = +val, x * 0 === 0) ? x : val), !!val) : (x = +val, x * 0 === 0) ? x : val;
out[key] = old == null ? nxt : Array.isArray(old) ? old.concat(nxt) : [old, nxt];
}
function mri2(args2, opts) {
args2 = args2 || [];
opts = opts || {};
var k, arr, arg, name, val, out = { _: [] };
var i = 0, j = 0, idx = 0, len = args2.length;
const alibi = opts.alias !== void 0;
const strict = opts.unknown !== void 0;
const defaults = opts.default !== void 0;
opts.alias = opts.alias || {};
opts.string = toArr(opts.string);
opts.boolean = toArr(opts.boolean);
if (alibi) {
for (k in opts.alias) {
arr = opts.alias[k] = toArr(opts.alias[k]);
for (i = 0; i < arr.length; i++) {
(opts.alias[arr[i]] = arr.concat(k)).splice(i, 1);
}
}
}
for (i = opts.boolean.length; i-- > 0; ) {
arr = opts.alias[opts.boolean[i]] || [];
for (j = arr.length; j-- > 0; )
opts.boolean.push(arr[j]);
}
for (i = opts.string.length; i-- > 0; ) {
arr = opts.alias[opts.string[i]] || [];
for (j = arr.length; j-- > 0; )
opts.string.push(arr[j]);
}
if (defaults) {
for (k in opts.default) {
name = typeof opts.default[k];
arr = opts.alias[k] = opts.alias[k] || [];
if (opts[name] !== void 0) {
opts[name].push(k);
for (i = 0; i < arr.length; i++) {
opts[name].push(arr[i]);
}
}
}
}
const keys = strict ? Object.keys(opts.alias) : [];
for (i = 0; i < len; i++) {
arg = args2[i];
if (arg === "--") {
out._ = out._.concat(args2.slice(++i));
break;
}
for (j = 0; j < arg.length; j++) {
if (arg.charCodeAt(j) !== 45)
break;
}
if (j === 0) {
out._.push(arg);
} else if (arg.substring(j, j + 3) === "no-") {
name = arg.substring(j + 3);
if (strict && !~keys.indexOf(name)) {
return opts.unknown(arg);
}
out[name] = false;
} else {
for (idx = j + 1; idx < arg.length; idx++) {
if (arg.charCodeAt(idx) === 61)
break;
}
name = arg.substring(j, idx);
val = arg.substring(++idx) || (i + 1 === len || ("" + args2[i + 1]).charCodeAt(0) === 45 || args2[++i]);
arr = j === 2 ? [name] : name;
for (idx = 0; idx < arr.length; idx++) {
name = arr[idx];
if (strict && !~keys.indexOf(name))
return opts.unknown("-".repeat(j) + name);
toVal(out, name, idx + 1 < arr.length || val, opts);
}
}
}
if (defaults) {
for (k in opts.default) {
if (out[k] === void 0) {
out[k] = opts.default[k];
}
}
}
if (alibi) {
for (k in out) {
arr = opts.alias[k] || [];
while (arr.length > 0) {
out[arr.shift()] = out[k];
}
}
}
return out;
}
var removeBrackets = (v) => v.replace(/[<[].+/, "").trim();
var findAllBrackets = (v) => {
const ANGLED_BRACKET_RE_GLOBAL = /<([^>]+)>/g;
const SQUARE_BRACKET_RE_GLOBAL = /\[([^\]]+)\]/g;
const res = [];
const parse = (match) => {
let variadic = false;
let value = match[1];
if (value.startsWith("...")) {
value = value.slice(3);
variadic = true;
}
return {
required: match[0].startsWith("<"),
value,
variadic
};
};
let angledMatch;
while (angledMatch = ANGLED_BRACKET_RE_GLOBAL.exec(v)) {
res.push(parse(angledMatch));
}
let squareMatch;
while (squareMatch = SQUARE_BRACKET_RE_GLOBAL.exec(v)) {
res.push(parse(squareMatch));
}
return res;
};
var getMriOptions = (options) => {
const result = { alias: {}, boolean: [] };
for (const [index, option] of options.entries()) {
if (option.names.length > 1) {
result.alias[option.names[0]] = option.names.slice(1);
}
if (option.isBoolean) {
if (option.negated) {
const hasStringTypeOption = options.some((o, i) => {
return i !== index && o.names.some((name) => option.names.includes(name)) && typeof o.required === "boolean";
});
if (!hasStringTypeOption) {
result.boolean.push(option.names[0]);
}
} else {
result.boolean.push(option.names[0]);
}
}
}
return result;
};
var findLongest = (arr) => {
return arr.sort((a, b) => {
return a.length > b.length ? -1 : 1;
})[0];
};
var padRight = (str, length) => {
return str.length >= length ? str : `${str}${" ".repeat(length - str.length)}`;
};
var camelcase = (input) => {
return input.replace(/([a-z])-([a-z])/g, (_, p1, p2) => {
return p1 + p2.toUpperCase();
});
};
var setDotProp = (obj, keys, val) => {
let i = 0;
let length = keys.length;
let t = obj;
let x;
for (; i < length; ++i) {
x = t[keys[i]];
t = t[keys[i]] = i === length - 1 ? val : x != null ? x : !!~keys[i + 1].indexOf(".") || !(+keys[i + 1] > -1) ? {} : [];
}
};
var setByType = (obj, transforms) => {
for (const key of Object.keys(transforms)) {
const transform = transforms[key];
if (transform.shouldTransform) {
obj[key] = Array.prototype.concat.call([], obj[key]);
if (typeof transform.transformFunction === "function") {
obj[key] = obj[key].map(transform.transformFunction);
}
}
}
};
var getFileName = (input) => {
const m = /([^\\\/]+)$/.exec(input);
return m ? m[1] : "";
};
var camelcaseOptionName = (name) => {
return name.split(".").map((v, i) => {
return i === 0 ? camelcase(v) : v;
}).join(".");
};
var CACError = class extends Error {
constructor(message) {
super(message);
this.name = this.constructor.name;
if (typeof Error.captureStackTrace === "function") {
Error.captureStackTrace(this, this.constructor);
} else {
this.stack = new Error(message).stack;
}
}
};
var Option = class {
constructor(rawName, description, config) {
this.rawName = rawName;
this.description = description;
this.config = Object.assign({}, config);
rawName = rawName.replace(/\.\*/g, "");
this.negated = false;
this.names = removeBrackets(rawName).split(",").map((v) => {
let name = v.trim().replace(/^-{1,2}/, "");
if (name.startsWith("no-")) {
this.negated = true;
name = name.replace(/^no-/, "");
}
return camelcaseOptionName(name);
}).sort((a, b) => a.length > b.length ? 1 : -1);
this.name = this.names[this.names.length - 1];
if (this.negated && this.config.default == null) {
this.config.default = true;
}
if (rawName.includes("<")) {
this.required = true;
} else if (rawName.includes("[")) {
this.required = false;
} else {
this.isBoolean = true;
}
}
};
var processArgs = process.argv;
var platformInfo = `${process.platform}-${process.arch} node-${process.version}`;
var Command = class {
constructor(rawName, description, config = {}, cli) {
this.rawName = rawName;
this.description = description;
this.config = config;
this.cli = cli;
this.options = [];
this.aliasNames = [];
this.name = removeBrackets(rawName);
this.args = findAllBrackets(rawName);
this.examples = [];
}
usage(text) {
this.usageText = text;
return this;
}
allowUnknownOptions() {
this.config.allowUnknownOptions = true;
return this;
}
ignoreOptionDefaultValue() {
this.config.ignoreOptionDefaultValue = true;
return this;
}
version(version2, customFlags = "-v, --version") {
this.versionNumber = version2;
this.option(customFlags, "Display version number");
return this;
}
example(example) {
this.examples.push(example);
return this;
}
option(rawName, description, config) {
const option = new Option(rawName, description, config);
this.options.push(option);
return this;
}
alias(name) {
this.aliasNames.push(name);
return this;
}
action(callback) {
this.commandAction = callback;
return this;
}
isMatched(name) {
return this.name === name || this.aliasNames.includes(name);
}
get isDefaultCommand() {
return this.name === "" || this.aliasNames.includes("!");
}
get isGlobalCommand() {
return this instanceof GlobalCommand;
}
hasOption(name) {
name = name.split(".")[0];
return this.options.find((option) => {
return option.names.includes(name);
});
}
outputHelp() {
const { name, commands } = this.cli;
const {
versionNumber,
options: globalOptions,
helpCallback
} = this.cli.globalCommand;
let sections = [
{
body: `${name}${versionNumber ? `/${versionNumber}` : ""}`
}
];
sections.push({
title: "Usage",
body: ` $ ${name} ${this.usageText || this.rawName}`
});
const showCommands = (this.isGlobalCommand || this.isDefaultCommand) && commands.length > 0;
if (showCommands) {
const longestCommandName = findLongest(commands.map((command) => command.rawName));
sections.push({
title: "Commands",
body: commands.map((command) => {
return ` ${padRight(command.rawName, longestCommandName.length)} ${command.description}`;
}).join("\n")
});
sections.push({
title: `For more info, run any command with the \`--help\` flag`,
body: commands.map((command) => ` $ ${name}${command.name === "" ? "" : ` ${command.name}`} --help`).join("\n")
});
}
let options = this.isGlobalCommand ? globalOptions : [...this.options, ...globalOptions || []];
if (!this.isGlobalCommand && !this.isDefaultCommand) {
options = options.filter((option) => option.name !== "version");
}
if (options.length > 0) {
const longestOptionName = findLongest(options.map((option) => option.rawName));
sections.push({
title: "Options",
body: options.map((option) => {
return ` ${padRight(option.rawName, longestOptionName.length)} ${option.description} ${option.config.default === void 0 ? "" : `(default: ${option.config.default})`}`;
}).join("\n")
});
}
if (this.examples.length > 0) {
sections.push({
title: "Examples",
body: this.examples.map((example) => {
if (typeof example === "function") {
return example(name);
}
return example;
}).join("\n")
});
}
if (helpCallback) {
sections = helpCallback(sections) || sections;
}
console.log(sections.map((section) => {
return section.title ? `${section.title}:
${section.body}` : section.body;
}).join("\n\n"));
}
outputVersion() {
const { name } = this.cli;
const { versionNumber } = this.cli.globalCommand;
if (versionNumber) {
console.log(`${name}/${versionNumber} ${platformInfo}`);
}
}
checkRequiredArgs() {
const minimalArgsCount = this.args.filter((arg) => arg.required).length;
if (this.cli.args.length < minimalArgsCount) {
throw new CACError(`missing required args for command \`${this.rawName}\``);
}
}
checkUnknownOptions() {
const { options, globalCommand } = this.cli;
if (!this.config.allowUnknownOptions) {
for (const name of Object.keys(options)) {
if (name !== "--" && !this.hasOption(name) && !globalCommand.hasOption(name)) {
throw new CACError(`Unknown option \`${name.length > 1 ? `--${name}` : `-${name}`}\``);
}
}
}
}
checkOptionValue() {
const { options: parsedOptions, globalCommand } = this.cli;
const options = [...globalCommand.options, ...this.options];
for (const option of options) {
const value = parsedOptions[option.name.split(".")[0]];
if (option.required) {
const hasNegated = options.some((o) => o.negated && o.names.includes(option.name));
if (value === true || value === false && !hasNegated) {
throw new CACError(`option \`${option.rawName}\` value is missing`);
}
}
}
}
};
var GlobalCommand = class extends Command {
constructor(cli) {
super("@@global@@", "", {}, cli);
}
};
var __assign = Object.assign;
var CAC = class extends EventEmitter {
constructor(name = "") {
super();
this.name = name;
this.commands = [];
this.rawArgs = [];
this.args = [];
this.options = {};
this.globalCommand = new GlobalCommand(this);
this.globalCommand.usage("<command> [options]");
}
usage(text) {
this.globalCommand.usage(text);
return this;
}
command(rawName, description, config) {
const command = new Command(rawName, description || "", config, this);
command.globalCommand = this.globalCommand;
this.commands.push(command);
return command;
}
option(rawName, description, config) {
this.globalCommand.option(rawName, description, config);
return this;
}
help(callback) {
this.globalCommand.option("-h, --help", "Display this message");
this.globalCommand.helpCallback = callback;
this.showHelpOnExit = true;
return this;
}
version(version2, customFlags = "-v, --version") {
this.globalCommand.version(version2, customFlags);
this.showVersionOnExit = true;
return this;
}
example(example) {
this.globalCommand.example(example);
return this;
}
outputHelp() {
if (this.matchedCommand) {
this.matchedCommand.outputHelp();
} else {
this.globalCommand.outputHelp();
}
}
outputVersion() {
this.globalCommand.outputVersion();
}
setParsedInfo({ args: args2, options }, matchedCommand, matchedCommandName) {
this.args = args2;
this.options = options;
if (matchedCommand) {
this.matchedCommand = matchedCommand;
}
if (matchedCommandName) {
this.matchedCommandName = matchedCommandName;
}
return this;
}
unsetMatchedCommand() {
this.matchedCommand = void 0;
this.matchedCommandName = void 0;
}
parse(argv = processArgs, {
run = true
} = {}) {
this.rawArgs = argv;
if (!this.name) {
this.name = argv[1] ? getFileName(argv[1]) : "cli";
}
let shouldParse = true;
for (const command of this.commands) {
const parsed = this.mri(argv.slice(2), command);
const commandName = parsed.args[0];
if (command.isMatched(commandName)) {
shouldParse = false;
const parsedInfo = __assign(__assign({}, parsed), {
args: parsed.args.slice(1)
});
this.setParsedInfo(parsedInfo, command, commandName);
this.emit(`command:${commandName}`, command);
}
}
if (shouldParse) {
for (const command of this.commands) {
if (command.name === "") {
shouldParse = false;
const parsed = this.mri(argv.slice(2), command);
this.setParsedInfo(parsed, command);
this.emit(`command:!`, command);
}
}
}
if (shouldParse) {
const parsed = this.mri(argv.slice(2));
this.setParsedInfo(parsed);
}
if (this.options.help && this.showHelpOnExit) {
this.outputHelp();
run = false;
this.unsetMatchedCommand();
}
if (this.options.version && this.showVersionOnExit && this.matchedCommandName == null) {
this.outputVersion();
run = false;
this.unsetMatchedCommand();
}
const parsedArgv = { args: this.args, options: this.options };
if (run) {
this.runMatchedCommand();
}
if (!this.matchedCommand && this.args[0]) {
this.emit("command:*");
}
return parsedArgv;
}
mri(argv, command) {
const cliOptions = [
...this.globalCommand.options,
...command ? command.options : []
];
const mriOptions = getMriOptions(cliOptions);
let argsAfterDoubleDashes = [];
const doubleDashesIndex = argv.indexOf("--");
if (doubleDashesIndex > -1) {
argsAfterDoubleDashes = argv.slice(doubleDashesIndex + 1);
argv = argv.slice(0, doubleDashesIndex);
}
let parsed = mri2(argv, mriOptions);
parsed = Object.keys(parsed).reduce((res, name) => {
return __assign(__assign({}, res), {
[camelcaseOptionName(name)]: parsed[name]
});
}, { _: [] });
const args2 = parsed._;
const options = {
"--": argsAfterDoubleDashes
};
const ignoreDefault = command && command.config.ignoreOptionDefaultValue ? command.config.ignoreOptionDefaultValue : this.globalCommand.config.ignoreOptionDefaultValue;
let transforms = Object.create(null);
for (const cliOption of cliOptions) {
if (!ignoreDefault && cliOption.config.default !== void 0) {
for (const name of cliOption.names) {
options[name] = cliOption.config.default;
}
}
if (Array.isArray(cliOption.config.type)) {
if (transforms[cliOption.name] === void 0) {
transforms[cliOption.name] = Object.create(null);
transforms[cliOption.name]["shouldTransform"] = true;
transforms[cliOption.name]["transformFunction"] = cliOption.config.type[0];
}
}
}
for (const key of Object.keys(parsed)) {
if (key !== "_") {
const keys = key.split(".");
setDotProp(options, keys, parsed[key]);
setByType(options, transforms);
}
}
return {
args: args2,
options
};
}
runMatchedCommand() {
const { args: args2, options, matchedCommand: command } = this;
if (!command || !command.commandAction)
return;
command.checkUnknownOptions();
command.checkOptionValue();
command.checkRequiredArgs();
const actionArgs = [];
command.args.forEach((arg, index) => {
if (arg.variadic) {
actionArgs.push(args2.slice(index));
} else {
actionArgs.push(args2[index]);
}
});
actionArgs.push(options);
return command.commandAction.apply(this, actionArgs);
}
};
var cac = (name = "") => new CAC(name);
// src/lib.ts
import { spawn } from "child_process";
import { tmpdir } from "os";
import { resolve, join } from "path";
import https from "https";
import fs from "fs";
// package.json
var version = "2.0.2";
// src/lib.ts
var fetchJSON = (url) => new Promise((resolve2, reject) => {
https.get(url, {
headers: {
"user-agent": USER_AGENT
}
}, (res) => {
let body = "";
res.on("data", (chunk) => {
body += chunk;
});
res.on("end", () => {
resolve2(JSON.parse(body));
});
res.on("error", reject);
});
});
var downloadFile = (url, outFile) => new Promise((resolve2, reject) => {
const stream = fs.createWriteStream(outFile);
stream.on("finish", () => {
stream.close();
resolve2(true);
});
https.get(url).on("response", (res) => {
res.pipe(stream, { end: true });
}).on("error", reject);
});
var ensureDirSync = (dir) => fs.mkdirSync(dir, { recursive: true });
var existsSync = fs.existsSync;
var isEmptyDirSync = (dir) => fs.readdirSync(dir).length === 0;
var getTempDir = () => tmpdir();
function runCommand(cmd) {
return new Promise((resolve2, reject) => {
const ps = spawn(cmd[0], cmd.slice(1), {
stdio: "pipe"
});
let output = "";
ps.stdout.on("data", (data) => {
output += data.toString();
});
ps.stderr.on("data", (data) => {
output += data.toString();
});
ps.on("exit", (code) => {
if (code === 0) {
resolve2(true);
} else {
reject(new Error(output));
}
});
});
}
var resolvePath = resolve;
var joinPath = join;
var args = process.argv;
var exit = process.exit;
var getOwnVersion = () => {
return version;
};
var moveSync = (from, to) => {
fs.renameSync(from, to);
};
var emptyDirSync = (path) => {
fs.rmSync(path, { recursive: true, force: true });
ensureDirSync(path);
};
var USER_AGENT = `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36`;
// src/index.ts
var PrettyError = class extends Error {
constructor(message) {
super(message);
this.name = this.constructor.name;
if (typeof Error.captureStackTrace === "function") {
Error.captureStackTrace(this, this.constructor);
} else {
this.stack = new Error(message).stack;
}
}
};
async function extract(from, to, { path }) {
const tempDir = getTempDir() + `/aho_temp_${Date.now()}`;
ensureDirSync(tempDir);
const cmd = ["tar", "xvzf", from, "-C", tempDir, "--strip-components", "1"];
await runCommand(cmd);
emptyDirSync(to);
moveSync(path ? joinPath(tempDir, path) : tempDir, to);
}
function parseRepo(input) {
const [_repo, tag] = input.split("#");
const [, owner, repoName, subpath = ""] = /^([\w\-\.]+)\/([\w\-\.]+)(\/.+)?$/.exec(_repo);
return { owner, repoName, subpath: subpath.slice(1), tag };
}
async function getDefaultBranchFromApi(repo) {
const data = await fetchJSON(`https://api.github.com/repos/${repo}`);
return data.default_branch;
}
// src/cli.ts
var start = async () => {
const cli = cac("aho");
cli.command("[repo] [desitination]", "Download a repo").option("-f, --force", `Force override desitination directory even if it's not empty`).action(async (_repo, desitination, flags) => {
if (!_repo) {
throw new PrettyError("No repo provided");
}
const { owner, repoName, subpath, tag } = parseRepo(_repo);
const repo = `${owner}/${repoName}`;
desitination = resolvePath(desitination || ".");
if (!flags.force && existsSync(desitination) && !isEmptyDirSync(desitination)) {
throw new PrettyError(`Destination directory is not empty, use --force if you are sure about this`);
}
console.log(`Downloading ${repo} ${subpath ? `(sub folder: ${subpath})` : ""}`);
const ref = tag || await getDefaultBranchFromApi(repo);
const tempTarFile = `${getTempDir()}/aho_${Date.now()}.tar.gz`;
await downloadFile(`https://codeload.github.com/${repo}/tar.gz/refs/heads/${ref}`, tempTarFile);
console.log(`Generating to ${desitination}`);
await extract(tempTarFile, desitination, { path: subpath });
});
cli.version(getOwnVersion());
cli.help();
cli.parse(args, { run: false });
try {
await cli.runMatchedCommand();
} catch (error) {
if (error instanceof PrettyError) {
console.error(error.message);
} else {
console.error(error);
}
exit(1);
}
};
start();