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Turn the precompile script into a wrapper around a module. #795

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merged 3 commits into from
Jul 5, 2014
Merged

Turn the precompile script into a wrapper around a module. #795

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2e7a3bd
Turning CLI precompiler into a wrapper around a module.
jwietelmann May 10, 2014
e143849
Knocking the indent back to what it was to make for a less scary-look…
jwietelmann May 10, 2014
a14c689
Stupid line ending
jwietelmann May 10, 2014
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150 changes: 5 additions & 145 deletions bin/handlebars
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ var optimist = require('optimist')
'type': 'string',
'description': 'Path to handlebar.js (only valid for amd-style)',
'alias': 'handlebarPath',
'default': ''
'default': ''
},
'k': {
'type': 'string',
Expand Down Expand Up @@ -87,149 +87,9 @@ var optimist = require('optimist')
if (argv.version) {
return;
}

var template = [0];
if (!argv._.length) {
throw 'Must define at least one template or directory.';
}

argv._.forEach(function(template) {
try {
fs.statSync(template);
} catch (err) {
throw 'Unable to open template file "' + template + '"';
}
});
})
.check(function(argv) {
if (argv.simple && argv.min) {
throw 'Unable to minimze simple output';
}
if (argv.simple && (argv._.length !== 1 || fs.statSync(argv._[0]).isDirectory())) {
throw 'Unable to output multiple templates in simple mode';
}
});

var fs = require('fs'),
handlebars = require('../lib'),
basename = require('path').basename,
uglify = require('uglify-js');

var argv = optimist.argv,
template = argv._[0];

if (argv.version) {
return console.log(handlebars.VERSION);
}

// Convert the known list into a hash
var known = {};
if (argv.known && !Array.isArray(argv.known)) {
argv.known = [argv.known];
}
if (argv.known) {
for (var i = 0, len = argv.known.length; i < len; i++) {
known[argv.known[i]] = true;
}
}

// Build file extension pattern
var extension = argv.extension.replace(/[\\^$*+?.():=!|{}\-\[\]]/g, function(arg) { return '\\' + arg; });
extension = new RegExp('\\.' + extension + '$');

var output = [];
if (!argv.simple) {
if (argv.amd) {
output.push('define([\'' + argv.handlebarPath + 'handlebars.runtime\'], function(Handlebars) {\n Handlebars = Handlebars["default"];');
} else if (argv.commonjs) {
output.push('var Handlebars = require("' + argv.commonjs + '");');
} else {
output.push('(function() {\n');
}
output.push(' var template = Handlebars.template, templates = ');
output.push(argv.namespace);
output.push(' = ');
output.push(argv.namespace);
output.push(' || {};\n');
}
function processTemplate(template, root, explicit) {
var path = template,
stat = fs.statSync(path);
if (stat.isDirectory()) {
fs.readdirSync(template).map(function(file) {
var path = template + '/' + file;

if (extension.test(path) || fs.statSync(path).isDirectory()) {
processTemplate(path, root || template);
}
});
} else if (explicit || extension.test(path)) {
var data = fs.readFileSync(path, 'utf8');

if (argv.bom && data.indexOf('\uFEFF') === 0) {
data = data.substring(1);
}

var options = {
knownHelpers: known,
knownHelpersOnly: argv.o
};

if (argv.data) {
options.data = true;
}

// Clean the template name
if (!root) {
template = basename(template);
} else if (template.indexOf(root) === 0) {
template = template.substring(root.length+1);
}
template = template.replace(extension, '');

if (argv.simple) {
output.push(handlebars.precompile(data, options) + '\n');
} else if (argv.partial) {
if(argv.amd && (argv._.length == 1 && !fs.statSync(argv._[0]).isDirectory())) {
output.push('return ');
}
output.push('Handlebars.partials[\'' + template + '\'] = template(' + handlebars.precompile(data, options) + ');\n');
} else {
if(argv.amd && (argv._.length == 1 && !fs.statSync(argv._[0]).isDirectory())) {
output.push('return ');
}
output.push('templates[\'' + template + '\'] = template(' + handlebars.precompile(data, options) + ');\n');
}
}
}

argv._.forEach(function(template) {
processTemplate(template, argv.root, true);
});

// Output the content
if (!argv.simple) {
if (argv.amd) {
if(argv._.length > 1 || (argv._.length == 1 && fs.statSync(argv._[0]).isDirectory())) {
if(argv.partial){
output.push('return Handlebars.partials;\n');
} else {
output.push('return templates;\n');
}
}
output.push('});');
} else if (!argv.commonjs) {
output.push('})();');
}
}
output = output.join('');

if (argv.min) {
output = uglify.minify(output, {fromString: true}).code;
}

if (argv.output) {
fs.writeFileSync(argv.output, output, 'utf8');
} else {
console.log(output);
}
var argv = optimist.argv;
argv.templates = argv._;
delete argv._;
return require('../lib/handlebars/precompiler')(argv);
140 changes: 140 additions & 0 deletions lib/handlebars/precompiler.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,140 @@

var fs = require('fs'),
handlebars = require('../../lib'),
basename = require('path').basename,
uglify = require('uglify-js');

module.exports = function(opts) {
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How can we test this? We should have some tests on this if we going to expose an API.


var template = [0];
if (!opts.templates.length) {
throw 'Must define at least one template or directory.';
}

opts.templates.forEach(function(template) {
try {
fs.statSync(template);
} catch (err) {
throw 'Unable to open template file "' + template + '"';
}
});

if (opts.simple && opts.min) {
throw 'Unable to minimze simple output';
}
if (opts.simple && (opts.templates.length !== 1 || fs.statSync(opts.templates[0]).isDirectory())) {
throw 'Unable to output multiple templates in simple mode';
}

// Convert the known list into a hash
var known = {};
if (opts.known && !Array.isArray(opts.known)) {
opts.known = [opts.known];
}
if (opts.known) {
for (var i = 0, len = opts.known.length; i < len; i++) {
known[opts.known[i]] = true;
}
}

// Build file extension pattern
var extension = opts.extension.replace(/[\\^$*+?.():=!|{}\-\[\]]/g, function(arg) { return '\\' + arg; });
extension = new RegExp('\\.' + extension + '$');

var output = [];
if (!opts.simple) {
if (opts.amd) {
output.push('define([\'' + opts.handlebarPath + 'handlebars.runtime\'], function(Handlebars) {\n Handlebars = Handlebars["default"];');
} else if (opts.commonjs) {
output.push('var Handlebars = require("' + opts.commonjs + '");');
} else {
output.push('(function() {\n');
}
output.push(' var template = Handlebars.template, templates = ');
output.push(opts.namespace);
output.push(' = ');
output.push(opts.namespace);
output.push(' || {};\n');
}
function processTemplate(template, root, explicit) {
var path = template,
stat = fs.statSync(path);
if (stat.isDirectory()) {
fs.readdirSync(template).map(function(file) {
var path = template + '/' + file;

if (extension.test(path) || fs.statSync(path).isDirectory()) {
processTemplate(path, root || template);
}
});
} else if (explicit || extension.test(path)) {
var data = fs.readFileSync(path, 'utf8');

if (opts.bom && data.indexOf('\uFEFF') === 0) {
data = data.substring(1);
}

var options = {
knownHelpers: known,
knownHelpersOnly: opts.o
};

if (opts.data) {
options.data = true;
}

// Clean the template name
if (!root) {
template = basename(template);
} else if (template.indexOf(root) === 0) {
template = template.substring(root.length+1);
}
template = template.replace(extension, '');

if (opts.simple) {
output.push(handlebars.precompile(data, options) + '\n');
} else if (opts.partial) {
if(opts.amd && (opts.templates.length == 1 && !fs.statSync(opts.templates[0]).isDirectory())) {
output.push('return ');
}
output.push('Handlebars.partials[\'' + template + '\'] = template(' + handlebars.precompile(data, options) + ');\n');
} else {
if(opts.amd && (opts.templates.length == 1 && !fs.statSync(opts.templates[0]).isDirectory())) {
output.push('return ');
}
output.push('templates[\'' + template + '\'] = template(' + handlebars.precompile(data, options) + ');\n');
}
}
}

opts.templates.forEach(function(template) {
processTemplate(template, opts.root, true);
});

// Output the content
if (!opts.simple) {
if (opts.amd) {
if(opts.templates.length > 1 || (opts.templates.length == 1 && fs.statSync(opts.templates[0]).isDirectory())) {
if(opts.partial){
output.push('return Handlebars.partials;\n');
} else {
output.push('return templates;\n');
}
}
output.push('});');
} else if (!opts.commonjs) {
output.push('})();');
}
}
output = output.join('');

if (opts.min) {
output = uglify.minify(output, {fromString: true}).code;
}

if (opts.output) {
fs.writeFileSync(opts.output, output, 'utf8');
} else {
console.log(output);
}
};