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First draft of --join.

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Jeremy Ashkenas 2010-12-22 21:26:15 -08:00
parent 482626b9b8
commit 6495508194
2 changed files with 30 additions and 4 deletions
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19
lib/command.js
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@ -1,5 +1,5 @@
(function() {
var BANNER, CoffeeScript, EventEmitter, SWITCHES, compileOptions, compileScript, compileScripts, compileStdio, exec, forkNode, fs, helpers, lint, optionParser, optparse, opts, parseOptions, path, printLine, printTokens, printWarn, sources, spawn, usage, util, version, watch, writeJs, _ref;
var BANNER, CoffeeScript, EventEmitter, SWITCHES, compileJoin, compileOptions, compileScript, compileScripts, compileStdio, contents, exec, forkNode, fs, helpers, lint, optionParser, optparse, opts, parseOptions, path, printLine, printTokens, printWarn, sources, spawn, usage, util, version, watch, writeJs, _ref;
fs = require('fs');
path = require('path');
util = require('util');
@ -16,9 +16,10 @@
return process.binding('stdio').writeError(line + '\n');
};
BANNER = 'Usage: coffee [options] path/to/script.coffee';
SWITCHES = [['-c', '--compile', 'compile to JavaScript and save as .js files'], ['-i', '--interactive', 'run an interactive CoffeeScript REPL'], ['-o', '--output [DIR]', 'set the directory for compiled JavaScript'], ['-w', '--watch', 'watch scripts for changes, and recompile'], ['-p', '--print', 'print the compiled JavaScript to stdout'], ['-l', '--lint', 'pipe the compiled JavaScript through JSLint'], ['-s', '--stdio', 'listen for and compile scripts over stdio'], ['-e', '--eval', 'compile a string from the command line'], ['-r', '--require [FILE*]', 'require a library before executing your script'], ['-b', '--bare', 'compile without the top-level function wrapper'], ['-t', '--tokens', 'print the tokens that the lexer produces'], ['-n', '--nodes', 'print the parse tree that Jison produces'], ['--nodejs [ARGS]', 'pass options through to the "node" binary'], ['-v', '--version', 'display CoffeeScript version'], ['-h', '--help', 'display this help message']];
SWITCHES = [['-c', '--compile', 'compile to JavaScript and save as .js files'], ['-i', '--interactive', 'run an interactive CoffeeScript REPL'], ['-o', '--output [DIR]', 'set the directory for compiled JavaScript'], ['-j', '--join', 'concatenate the scripts before compiling'], ['-w', '--watch', 'watch scripts for changes, and recompile'], ['-p', '--print', 'print the compiled JavaScript to stdout'], ['-l', '--lint', 'pipe the compiled JavaScript through JSLint'], ['-s', '--stdio', 'listen for and compile scripts over stdio'], ['-e', '--eval', 'compile a string from the command line'], ['-r', '--require [FILE*]', 'require a library before executing your script'], ['-b', '--bare', 'compile without the top-level function wrapper'], ['-t', '--tokens', 'print the tokens that the lexer produces'], ['-n', '--nodes', 'print the parse tree that Jison produces'], ['--nodejs [ARGS]', 'pass options through to the "node" binary'], ['-v', '--version', 'display CoffeeScript version'], ['-h', '--help', 'display this help message']];
opts = {};
sources = [];
contents = [];
optionParser = null;
exports.run = function() {
parseOptions();
@ -73,7 +74,14 @@
});
} else if (topLevel || path.extname(source) === '.coffee') {
fs.readFile(source, function(err, code) {
return compileScript(source, code.toString(), base);
if (opts.join) {
contents[sources.indexOf(source)] = code.toString();
if (helpers.compact(contents).length === sources.length) {
return compileJoin();
}
} else {
return compileScript(source, code.toString(), base);
}
});
if (opts.watch) {
return watch(source, base);
@ -146,6 +154,11 @@
return compileScript(null, code);
});
};
compileJoin = function() {
var code;
code = contents.join('\n');
return compileScript("concat", code, "concat");
};
watch = function(source, base) {
return fs.watchFile(source, {
persistent: true,

15
src/command.coffee
View file

@ -30,6 +30,7 @@ SWITCHES = [
['-c', '--compile', 'compile to JavaScript and save as .js files']
['-i', '--interactive', 'run an interactive CoffeeScript REPL']
['-o', '--output [DIR]', 'set the directory for compiled JavaScript']
['-j', '--join', 'concatenate the scripts before compiling']
['-w', '--watch', 'watch scripts for changes, and recompile']
['-p', '--print', 'print the compiled JavaScript to stdout']
['-l', '--lint', 'pipe the compiled JavaScript through JSLint']
@ -47,6 +48,7 @@ SWITCHES = [
# Top-level objects shared by all the functions.
opts = {}
sources = []
contents = []
optionParser = null
# Run `coffee` by parsing passed options and determining what action to take.
@ -81,7 +83,12 @@ compileScripts = ->
for file in files
compile path.join(source, file)
else if topLevel or path.extname(source) is '.coffee'
fs.readFile source, (err, code) -> compileScript(source, code.toString(), base)
fs.readFile source, (err, code) ->
if opts.join
contents[sources.indexOf source] = code.toString()
compileJoin() if helpers.compact(contents).length is sources.length
else
compileScript(source, code.toString(), base)
watch source, base if opts.watch
compile source, true
@ -122,6 +129,12 @@ compileStdio = ->
stdin.on 'end', ->
compileScript null, code
# After all of the source files are done being read, concatenate and compile
# them together.
compileJoin = ->
code = contents.join '\n'
compileScript "concatenation", code, "concatenation"
# Watch a source CoffeeScript file using `fs.watchFile`, recompiling it every
# time the file is updated. May be used in combination with other options,
# such as `--lint` or `--print`.