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thegrandpoobah edited this page Jun 20, 2012 · 3 revisions

API: Mustache.compile

Description

Given a set of Mustache template fragment(s), this function will return a function that takes an associated data object which can be used to return the results of an interpolation. This function is useful when a particular Mustache template needs to be interpolated many times or if it contains complex template code. In these instances, it is much more performant than the render API function.

Signatures

Mustache.compile(template)
Mustache.compile(template, partials)

The template parameter specifies the "entry point" into the Mustache template and must be present. From this template, you can reference other template fragments using the partials parameter. The format of this string must match the Mustache Syntax.

The partials parameter is a key/value pair of Mustache template fragments. The keys are the partials specified in the template Mustache fragment or the partials specified in other partials.

Returns

The function returns a function with the following signature:

function(view)

Where

The view parameter specifies the associated data object that the interpolation is to run on. All JavaScript constructs are accepted in for this key/value pair. That is, this parameter is not necessarily just a JSON object, functions and Date objects are also accepted.

Examples

At a minimum the template parameter must be supplied:

var compiled = Mustache.compile('{{interpolate}}');
var result = compiled({ interpolate: 'Bugs Bunny' });
result === 'Bugs Bunny'; // true

When using partials in the entry point template, you must include the partials argument as well:

var compiled = Mustache.compile('{{>a_partial}}', { a_partial: '{{interpolate}}' });
var result = compiled({ interpolate: 'Bugs Bunny' });
result === 'Bugs Bunny'; // true

Exceptions

Note that if the Mustache templates provided to the compile function do not conform to the Mustache syntax, the function will throw a Mustache.Error specifying where in the code block it failed. Therefore, it is prudent to wrap the compile call in a try/catch block:

try {
	var compiled = Mustache.compile('{{=');
	//compiled === ??
} catch (e) {
	if (e instanceof Mustache.Error) {
		// e contains information about the error
	}
}