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support for compiling ember components #20

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support for compiling ember components #20

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b959fdd
support for compiling ember components
Aug 27, 2013
fe7a274
support for compiling ember components.
Aug 27, 2013
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143 changes: 80 additions & 63 deletions tasks/ember-handlebars.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,79 +21,96 @@
*/

module.exports = function(grunt) {
'use strict';
'use strict';

var _ = grunt.util._,
helpers = require('grunt-lib-contrib').init(grunt),
precompiler = require('../lib/precompiler');
var _ = grunt.util._,
helpers = require('grunt-lib-contrib').init(grunt),
precompiler = require('../lib/precompiler');

// filename conversion for templates
var defaultProcessName = function(name) { return name; };
// filename conversion for templates
var defaultProcessName = function(name) { return name; };

// filename conversion for partials
var defaultProcessPartialName = function(filePath) {
var pieces = _.last(filePath.split('/')).split('.');
var name = _(pieces).without(_.last(pieces)).join('.'); // strips file extension
return name;
};
// filename conversion for partials
var defaultProcessPartialName = function(filePath) {
var pieces = _.last(filePath.split('/')).split('.');
var name = _(pieces).without(_.last(pieces)).join('.'); // strips file extension
return name;
};

grunt.registerMultiTask('ember_handlebars', 'Precompile Ember Handlebars templates.', function() {
var options = this.options({
namespace: 'Ember.TEMPLATES',
separator: grunt.util.linefeed + grunt.util.linefeed,
wrapped: true
});
grunt.verbose.writeflags(options, 'Options');
grunt.registerMultiTask('ember_handlebars', 'Precompile Ember Handlebars templates.', function() {
var options = this.options({
namespace: 'Ember.TEMPLATES',
componentRegex: /\/components\/[^/]+$/,
separator: grunt.util.linefeed + grunt.util.linefeed,
wrapped: true
});
grunt.verbose.writeflags(options, 'Options');

var nsInfo = helpers.getNamespaceDeclaration(options.namespace);

// assign regex for partial detection
var isPartial = options.partialRegex || /^_/;

// assign filename transformation functions
var processName = options.processName || defaultProcessName;
var processPartialName = options.processPartialName || defaultProcessPartialName;

var nsInfo = helpers.getNamespaceDeclaration(options.namespace);
// assign components detection.
var isComponent = options.componentRegex;
var componentObserved = false

// assign regex for partial detection
var isPartial = options.partialRegex || /^_/;
this.files.forEach(function(f) {
var partials = [],
templates = [],
componentObserved = false;

// assign filename transformation functions
var processName = options.processName || defaultProcessName;
var processPartialName = options.processPartialName || defaultProcessPartialName;
// iterate files, processing partials and templates separately
f.src.filter(function(filepath) {
// Warn on and remove invalid source files (if nonull was set).
if (!grunt.file.exists(filepath)) {
grunt.log.warn('Source file "' + filepath + '" not found.');
return false;
} else {
return true;
}
})
.forEach(function(filepath) {
var src = grunt.file.read(filepath);
var compiled, filename;
try {
compiled = precompiler.precompile(src);
// if configured to, wrap template in Handlebars.template call
if (options.wrapped) {
compiled = 'Ember.Handlebars.template('+compiled+')';
}
} catch (e) {
grunt.log.error(e);
grunt.fail.warn('Handlebars failed to compile '+filepath+'.');
}

this.files.forEach(function(f) {
var partials = [],
templates = [];
//process var name/namespace of template.
if (isPartial.test(_.last(filepath.split('/'))) ) {
filename = processPartialName(filepath);
templates.push(nsInfo.namespace+'['+JSON.stringify(filename)+'] = '+compiled+';');
} else if(isComponent.test(filepath)){
filename = processName(filepath);
templates.push(nsInfo.namespace + "[" + JSON.stringify( 'components/' + filename)+"] = " +compiled+';');
} else {
filename = processName(filepath);
templates.push(nsInfo.namespace +'['+JSON.stringify(filename)+'] = '+compiled+';');
}

// iterate files, processing partials and templates separately
f.src.filter(function(filepath) {
// Warn on and remove invalid source files (if nonull was set).
if (!grunt.file.exists(filepath)) {
grunt.log.warn('Source file "' + filepath + '" not found.');
return false;
} else {
return true;
}
})
.forEach(function(filepath) {
var src = grunt.file.read(filepath);
var compiled, filename;
try {
compiled = precompiler.precompile(src);
// if configured to, wrap template in Handlebars.template call
if (options.wrapped) {
compiled = 'Ember.Handlebars.template('+compiled+')';
}
} catch (e) {
grunt.log.error(e);
grunt.fail.warn('Handlebars failed to compile '+filepath+'.');
}

filename = isPartial.test(_.last(filepath.split('/'))) ? processPartialName(filepath) : processName(filepath);
templates.push(nsInfo.namespace+'['+JSON.stringify(filename)+'] = '+compiled+';');
});
});

var output = partials.concat(templates);
if (output.length < 1) {
grunt.log.warn('Destination not written because compiled files were empty.');
} else {
output.unshift(nsInfo.declaration);
grunt.file.write(f.dest, output.join(grunt.util.normalizelf(options.separator)));
grunt.log.writeln('File "' + f.dest + '" created.');
}
var output = partials.concat(templates);
if (output.length < 1) {
grunt.log.warn('Destination not written because compiled files were empty.');
} else {
output.unshift(nsInfo.declaration);
grunt.file.write(f.dest, output.join(grunt.util.normalizelf(options.separator)));
grunt.log.writeln('File "' + f.dest + '" created.');
}
});
});
});
};