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amitk 2014-11-16 01:25:09 +02:00
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@ -9,7 +9,7 @@ Light weight templates for react. Reasons that we love it:
* Easy syntax. Similar to HTML. All IDEs recognize this format
## How does it work
React templates compiles a *.rt file (react template - extended HTML format) into a javascript file. Currently, this file supports requirejs format, that will return a function. This function, when applied, will return a virtual react DOM (based on React.DOM elements and user custom components). A common use case would be that a React component would require a JS file generated by a template, and then call ``func.apply(this)``, causing the template to have the component as its context.
React templates compiles a *.rt file (react template - extended HTML format) into a javascript file. Currently, this file supports requirejs format, that will return a function. This function, when applied, will return a virtual react DOM (based on React.DOM elements and user custom components). A common use case would be that a React component would require a JS file generated by a template, and then call `func.apply(this)`, causing the template to have the component as its context.
###### Basic concepts for react templates:
* Any valid HTML is a template (and comments)
@ -69,16 +69,61 @@ define([
});
```
## section
Section text
## rt-repeat
Repeats a node with its subtree for each item in an array. This is implemented by creating a method that is passed to a map method as a callback. It creates a real context for the iterated variable. It will create an item*Index* variable to represent the index of the item. If the definition is "myNum in this.getMyNumbers()", than there will be 2 variables in the scope: myNum and myNumIndex
Sample:
```
<div rt-repeat="myNum in this.getMyNumbers()">{myNumIndex}. myNum</div>
```
Complied:
```
define([
'react',
'lodash'
], function (React, _) {
'use strict';
function repeatMyNum1(myNum, myNumIndex) {
return React.DOM.div({}, myNumIndex + '. myNum');
}
return function () {
return _.map(this.getMyNumbers(), repeatMyNum1.bind(this));
};
});
```
## rt-scope
This directive creates a new javascript scope. It actually creates a new method for this scope, and calls it with its current context. The syntax is `rt-scope="expr1 as var1; expr2 as var2`. This gives a convenience method to shorten stuff up in a scope and make the code more readable. It also helps to execute an expression only once in a scope instead of every chunk that needs it.
Sample:
```
<div rt-repeat="rpt in array">
<div rt-scope="')' as separator; rpt.val as val">{rptIndex}{separator} {val}</div>
<div>'rpt' exists here, but not 'separator' and 'val'</div>
</div>
```
Complied:
```
define([
'react',
'lodash'
], function (React, _) {
'use strict';
function scopeSeparatorVal1(rpt, rptIndex, separator, val) {
return React.DOM.div({}, rptIndex + separator + ' ' + val);
}
function repeatRpt2(rpt, rptIndex) {
return React.DOM.div({}, scopeSeparatorVal1.apply(this, [
rpt,
rptIndex,
')',
rpt.val
]), React.DOM.div({}, '\'rpt\' exists here, but not \'separator\' and \'val\''));
}
return function () {
return _.map(array, repeatRpt2.bind(this));
};
});
```
## section