karma-ng-html2js-preprocessor 
Preprocessor for converting HTML files to AngularJS templates.
Note: If you are looking for a general preprocessor that is not tight to Angular, check out karma-html2js-preprocessor.
Installation
The easiest way is to keep karma-ng-html2js-preprocessor as a devDependency in your package.json.
{
"devDependencies": {
"karma": "~0.10",
"karma-ng-html2js-preprocessor": "~0.1"
}
}You can simple do it by:
npm install karma-ng-html2js-preprocessor --save-devConfiguration
// karma.conf.js
module.exports = function(config) {
config.set({
preprocessors: {
'**/*.html': ['ng-html2js']
},
files: [
'*.js',
'*.html'
],
ngHtml2JsPreprocessor: {
// strip this from the file path
stripPrefix: 'public/',
// prepend this to the
prependPrefix: 'served/',
// or define a custom transform function
cacheIdFromPath: function(filepath) {
return cacheId;
},
// setting this option will create only a single module that contains templates
// from all the files, so you can load them all with module('foo')
moduleName: 'foo'
}
});
};How does it work ?
This preprocessor converts HTML files into JS strings and generates Angular modules. These modules, when loaded, puts these HTML files into the $templateCache and therefore Angular won't try to fetch them from the server.
For instance this template.html...
<div>something</div>... will be served as template.html.js:
angular.module('template.html', []).config(function($templateCache) {
$templateCache.put('template.html', '<div>something</div>');
});See the ng-directive-testing for a complete example.
For more information on Karma see the homepage.
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