72 lines
1.6 KiB
JavaScript
Executable File
72 lines
1.6 KiB
JavaScript
Executable File
#!/usr/bin/env node
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var commander = require("commander");
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var Module = require("module");
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var path = require("path");
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var util = require("../lib/6to5/util");
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var path = require("path");
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var repl = require("repl");
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var to5 = require("../lib/6to5");
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var vm = require("vm");
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var _ = require("lodash");
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commander.option("-e, --eval [script]", "evaluate script");
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commander.option("-p, --print", "evaluate script and print result");
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var pkg = require("../package.json");
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commander.version(pkg.version);
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commander.usage("[options] [ -e script | script.js ] [arguments]");
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commander.parse(process.argv);
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to5.register();
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var _eval = function (code, filename) {
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code = to5.transform(code, { filename: filename }).code;
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return vm.runInThisContext(code, filename);
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};
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if (commander.eval) {
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var code = to5.transform(commander.eval, { filename: "eval" }).code;
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var result = _eval(code, "eval");
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if (commander.print) console.log(result);
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} else {
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var filenames = commander.args;
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if (filenames.length) {
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_.each(filenames, function (filename) {
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if (!util.isAbsolute(filename)) {
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filename = path.join(process.cwd(), filename);
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}
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require(require.resolve(filename));
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});
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} else {
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replStart();
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}
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}
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function replStart() {
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repl.start({
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prompt: "> ",
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input: process.stdin,
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output: process.stdout,
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eval: replEval,
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useGlobal: true
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});
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}
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function replEval(code, context, filename, callback) {
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var err;
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var result;
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try {
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code = code.slice(1, -2); // remove "(" and "\n)"
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result = _eval(code, filename);
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} catch (e) {
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err = e;
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}
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callback(err, result);
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}
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