New Helper: ifTest. Allow's for javascript expression evaluation. #566
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http://jsfiddle.net/YsteK/ Consider the following context: var context = { foo: "bar", baz: [ "qux", "quux" ] }; {{#ifTest 'foo == "bar"'}} Foobar! {{/ifTest}} Result: Foobar! -- {{#ifTest 'foo != "bar"'}} Not Foobar! {{else}} Foobar! {{/ifTest}} Result: Foobar! -- {{#each baz}} {{#ifTest 'this == "qux"'}} baz contains a qux! {{/ifTest}} {{/each}} Result: baz contains a qux! -- {{#with baz}} {{#ifTest 'this.length > 0'}} The length is greater than 0! {{/ifTest}} {{/with}} Result: The length is greater than 0! -- {{#each baz}} {{#ifTest '@Index < baz.length - 1' baz=../baz}} {{this}}, {{else}} {{this}}. {{/ifTest}} {{/each}} Yay comma's! Result: qux, quux. Yay comma's!
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We are specifically logicless so I don't think we want to include this in the core library. If you publish this as a plugin project or a gist we can link to it in the README though. |
Closed
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Here's the gist |
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http://jsfiddle.net/YsteK/
Consider the following context:
var context = { foo: "bar", baz: [ "qux", "quux" ] };
{{#ifTest 'foo == "bar"'}}
Foobar!
{{/ifTest}}
Result: Foobar!
{{#ifTest 'foo != "bar"'}}
Not Foobar!
{{else}}
Foobar!
{{/ifTest}}
Result: Foobar!
{{#each baz}}
{{#ifTest 'this == "qux"'}} baz contains a qux! {{/ifTest}}
{{/each}}
Result: baz contains a qux!
{{#with baz}}
{{#ifTest 'this.length > 0'}}
The length is greater than 0!
{{/ifTest}}
{{/with}}
Result: The length is greater than 0!
{{#each baz}}
{{#ifTest '@Index < baz.length - 1' baz=../baz}}
{{this}},
{{else}}
{{this}}.
{{/ifTest}}
{{/each}} Yay comma's!
Result: qux, quux. Yay comma's!