98 lines
3.6 KiB
JavaScript
Executable File
98 lines
3.6 KiB
JavaScript
Executable File
(function(){
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var CoffeeScript, fs, no_such_task, oparse, options, optparse, path, print_tasks, switches, tasks;
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var __hasProp = Object.prototype.hasOwnProperty;
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// `cake` is a simplified version of [Make](http://www.gnu.org/software/make/)
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// ([Rake](http://rake.rubyforge.org/), [Jake](http://github.com/280north/jake))
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// for CoffeeScript. You define tasks with names and descriptions in a Cakefile,
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// and can call them from the command line, or invoke them from other tasks.
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// Running `cake` with no arguments will print out a list of all the tasks in the
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// current directory's Cakefile.
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// External dependencies.
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fs = require('fs');
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path = require('path');
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optparse = require('optparse');
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CoffeeScript = require('coffee-script');
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// Keep track of the list of defined tasks, the accepted options, and so on.
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tasks = {};
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options = {};
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switches = [];
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oparse = null;
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// Mixin the top-level Cake functions for Cakefiles to use directly.
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process.mixin({
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// Define a Cake task with a short name, a sentence description,
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// and the function to run as the action itself.
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task: function task(name, description, action) {
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return tasks[name] = {
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name: name,
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description: description,
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action: action
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};
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},
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// Define an option that the Cakefile accepts. The parsed options hash,
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// containing all of the command-line options passed, will be made available
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// as the first argument to the action.
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option: function option(letter, flag, description) {
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return switches.push([letter, flag, description]);
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},
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// Invoke another task in the current Cakefile.
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invoke: function invoke(name) {
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if (!(tasks[name])) {
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no_such_task(name);
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}
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return tasks[name].action(options);
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}
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});
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// Run `cake`. Executes all of the tasks you pass, in order. Note that Node's
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// asynchrony may cause tasks to execute in a different order than you'd expect.
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// If no tasks are passed, print the help screen.
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exports.run = function run() {
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return path.exists('Cakefile', function(exists) {
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var _a, _b, _c, _d, arg, args;
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if (!(exists)) {
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throw new Error("Cakefile not found in " + (process.cwd()));
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}
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args = process.argv.slice(2, process.argv.length);
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CoffeeScript.run(fs.readFileSync('Cakefile'), {
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source: 'Cakefile'
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});
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oparse = new optparse.OptionParser(switches);
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if (!(args.length)) {
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return print_tasks();
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}
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options = oparse.parse(args);
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_a = []; _b = options.arguments;
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for (_c = 0, _d = _b.length; _c < _d; _c++) {
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arg = _b[_c];
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_a.push(invoke(arg));
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}
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return _a;
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});
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};
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// Display the list of Cake tasks in a format similar to `rake -T`
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print_tasks = function print_tasks() {
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var _a, _b, _c, _d, _e, _f, i, name, spaces, task;
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puts('');
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_a = tasks;
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for (name in _a) { if (__hasProp.call(_a, name)) {
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task = _a[name];
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spaces = 20 - name.length;
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spaces = spaces > 0 ? (function() {
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_b = []; _e = 0; _f = spaces;
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for (_d = 0, i = _e; (_e <= _f ? i <= _f : i >= _f); (_e <= _f ? i += 1 : i -= 1), _d++) {
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_b.push(' ');
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}
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return _b;
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}).call(this).join('') : '';
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puts("cake " + name + spaces + " # " + (task.description));
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}}
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if (switches.length) {
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return puts(oparse.help());
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}
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};
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// Print an error and exit when attempting to all an undefined task.
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no_such_task = function no_such_task(task) {
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process.stdio.writeError("No such task: \"" + task + "\"\n");
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return process.exit(1);
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};
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})();
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