describe('compiler', function(){
function element(html) {
return jQuery(html)[0];
}
var compiler, textMarkup, directives, widgets, compile, log;
beforeEach(function(){
log = "";
directives = {
hello: function(expression, element){
log += "hello ";
return function() {
log += expression;
};
},
watch: function(expression, element){
return function() {
this.$watch(expression, function(val){
log += ":" + val;
});
};
}
};
textMarkup = [];
attrMarkup = [];
widgets = {};
compiler = new Compiler(textMarkup, attrMarkup, directives, widgets);
compile = function(html){
var e = element("" + html + "
");
var view = compiler.compile(e)(e);
view.init();
return view.scope;
};
});
it('should recognize a directive', function(){
var e = element('');
directives.directive = function(expression, element){
log += "found";
expect(expression).toEqual("expr");
expect(element[0]).toEqual(e);
return function initFn() {
log += ":init";
};
};
var template = compiler.compile(e);
var init = template(e).init;
expect(log).toEqual("found");
init();
expect(log).toEqual("found:init");
});
it('should recurse to children', function(){
var scope = compile('
');
expect(log).toEqual("hello misko");
});
it('should watch scope', function(){
var scope = compile('');
expect(log).toEqual("");
scope.updateView();
scope.set('name', 'misko');
scope.updateView();
scope.updateView();
scope.set('name', 'adam');
scope.updateView();
scope.updateView();
expect(log).toEqual(":misko:adam");
});
it('should prevent descend', function(){
directives.stop = function(){ this.descend(false); };
var scope = compile('');
expect(log).toEqual("hello misko");
});
it('should allow creation of templates', function(){
directives.duplicate = function(expr, element){
element.replaceWith(document.createComment("marker"));
element.removeAttr("duplicate");
var template = this.compile(element);
return function(marker) {
this.$addEval(function() {
marker.after(template(element.clone()).element);
});
};
};
var scope = compile('beforexafter');
expect($(scope.element).html()).toEqual('beforeafter');
scope.updateView();
expect($(scope.element).html()).toEqual('beforexafter');
scope.updateView();
expect($(scope.element).html()).toEqual('beforexxafter');
});
it('should allow for exculsive tags which suppress others', function(){
directives.exclusive = function(){
return function() {
log += ('exclusive');
};
};
directives.exclusive.exclusive = true;
compile('');
expect(log).toEqual('exclusive');
});
it('should process markup before directives', function(){
textMarkup.push(function(text, textNode, parentNode) {
if (text == 'middle') {
expect(textNode.text()).toEqual(text);
parentNode.attr('hello', text);
textNode.text('replaced');
}
});
var scope = compile('beforemiddleafter');
expect(scope.element.innerHTML).toEqual('beforereplacedafter');
expect(log).toEqual("hello middle");
});
it('should replace widgets', function(){
widgets['NG:BUTTON'] = function(element) {
element.replaceWith('button
', element);
return function(element) {
log += 'init';
};
};
var scope = compile('push me');
expect(scope.element.innerHTML).toEqual('button
');
expect(log).toEqual('init');
});
});
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/**
* DOM generation class
*/
exports.DOM = DOM;
exports.htmlEscape = htmlEscape;
//////////////////////////////////////////////////////////
function htmlEscape(text){
return text.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
}
function DOM() {
this.out = [];
this.headingDepth = 0;
}
var INLINE_TAGS = {
i: true,
b: true,
a: true
};
DOM.prototype = {
toString: function() {
return this.out.join('');
},
text: function(content) {
if (typeof content == "string") {
this.out.push(htmlEscape(content));
} else if (typeof content == 'function') {
content.call(this, this);
} else if (content instanceof Array) {
this.ul(content);
}
},
html: function(html) {
if (html) {
var headingDepth = this.headingDepth;
for ( var i = 10; i > 0; --i) {
html = html
.replace(new RegExp('(<\/?h)' + i + '(>)', 'gm'), function(all, start, end){
return start + (i + headingDepth) + end;
});
}
this.out.push(html);
}
},
tag: function(name, attr, text) {
if (!text) {
text = attr;
attr = {};
if (name == 'code')
attr['ng:non-bindable'] = '';
}
this.out.push('<' + name);
for(var key in attr) {
this.out.push(" " + key + '="' + attr[key] + '"');
}
this.out.push('>');
this.text(text);
this.out.push('</' + name + '>');
if (!INLINE_TAGS[name])
this.out.push('\n');
},
code: function(text) {
this.tag('pre', {'class':"prettyprint linenums"}, text);
},
div: function(attr, text) {
this.tag('div', attr, text);
},
h: function(heading, content, fn){
if (content==undefined || (content instanceof Array && content.length == 0)) return;
this.headingDepth++;
var className = null,
anchor = null;
if (typeof heading == 'string') {
var id = heading.
replace(/\(.*\)/mg, '').
replace(/[^\d\w\$]/mg, '.').
replace(/-+/gm, '-').
replace(/-*$/gm, '');
anchor = {'id': id};
className = {'class': id.toLowerCase().replace(/[._]/mg, '-')};
}
this.tag('h' + this.headingDepth, anchor, heading);
if (content instanceof Array) {
this.ul(content, className, fn);
} else if (fn) {
this.tag('div', className, function() {
fn.call(this, content);
});
} else {
this.tag('div', className, content);
}
this.headingDepth--;
},
h1: function(attr, text) {
this.tag('h1', attr, text);
},
h2: function(attr, text) {
this.tag('h2', attr, text);
},
h3: function(attr, text) {
this.tag('h3', attr, text);
},
p: function(attr, text) {
this.tag('p', attr, text);
},
ul: function(list, attr, fn) {
if (typeof attr == 'function') {
fn = attr;
attr = {};
}
this.tag('ul', attr, function(dom){
list.forEach(function(item){
dom.out.push('<li>');
dom.text(fn ? fn(item) : item);
dom.out.push('</li>\n');
});
});
}
};
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