2015-04-02 23:12:05 +11:00

120 lines
2.8 KiB
JavaScript
Executable File

#!/usr/bin/env node
var commander = require("commander");
var transform = require("babel-core").transform;
var kebabCase = require("lodash/string/kebabCase");
var options = require("babel-core").options;
var util = require("babel-core").util;
var each = require("lodash/collection/each");
var keys = require("lodash/object/keys");
var fs = require("fs");
each(options, function (option, key) {
if (option.hidden) return;
var arg = kebabCase(key);
if (option.type !== "boolean") {
arg += " [" + (option.type || "string") + "]";
}
if (option.type === "boolean" && option.default === true) {
arg = "no-" + arg;
}
arg = "--" + arg;
if (option.shorthand) {
arg = "-" + option.shorthand + ", " + arg;
}
var desc = [];
if (option.deprecated) desc.push("[DEPRECATED] " + option.deprecated);
if (option.description) desc.push(option.description);
commander.option(arg, desc.join(" "));
})
commander.option("-w, --watch", "Recompile files on changes");
commander.option("-o, --out-file [out]", "Compile all input files into a single file");
commander.option("-d, --out-dir [out]", "Compile an input directory of modules into an output directory");
commander.option("-D, --copy-files", "When compiling a directory copy over non-compilable files");
commander.on("--help", function () {
var outKeys = function (title, obj) {
console.log(" " + title + ":");
console.log();
each(keys(obj).sort(), function (key) {
if (key[0] === "_") return;
if (obj[key].optional) key = "[" + key + "]";
console.log(" - " + key);
});
console.log();
};
outKeys("Transformers", transform.transformers);
outKeys("Module formatters", transform.moduleFormatters);
});
var pkg = require("../../package.json");
commander.version(pkg.version);
commander.usage("[options] <files ...>");
commander.parse(process.argv);
//
var errors = [];
var filenames = commander.args;
each(filenames, function (filename) {
if (!fs.existsSync(filename)) {
errors.push(filename + " doesn't exist");
}
});
if (commander.outDir && !filenames.length) {
errors.push("filenames required for --out-dir");
}
if (commander.outFile && commander.outDir) {
errors.push("cannot have --out-file and --out-dir");
}
if (commander.watch) {
if (!commander.outFile && !commander.outDir) {
errors.push("--watch requires --out-file or --out-dir");
}
if (!filenames.length) {
errors.push("--watch requires filenames");
}
}
if (errors.length) {
console.error(errors.join(". "));
process.exit(2);
}
//
exports.opts = {};
each(options, function (opt, key) {
exports.opts[key] = commander[key];
});
var fn;
if (commander.outDir) {
fn = require("./dir");
} else {
fn = require("./file");
}
fn(commander, filenames, exports.opts);