forked from nikku/karma-browserify
/
preprocessor.js
46 lines (28 loc) · 1.05 KB
/
preprocessor.js
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'use strict';
var preprocessor = require('karma/lib/preprocessor');
var os = require('os-shim');
var path = require('path');
var api = ['config.preprocessors', 'config.basePath', 'injector'];
function arrayEquals(a, b) {
return a.join('#') === b.join('#');
}
function getPreprocessorFactory() {
var factory = preprocessor.createPreprocessor;
if (!arrayEquals(factory.$inject, api)) {
console.log('incompatible karma preprocessor: found', factory.$inject, 'expected', api);
throw new Error('incompatible karma preprocessor');
}
return factory;
}
/**
* Monkey patch preprocessors to preprocess *.browserify.js
*/
var originalFactory = getPreprocessorFactory();
var createPreprocessor = function(config, basePath, injector) {
// add our preprocessor for .browserify.js files
config[path.resolve(os.tmpdir(), '*.browserify.js')] = ['browserify-bundle'];
return originalFactory(config, basePath, injector);
};
createPreprocessor.$inject = api;
// publish patched preprocessor
module.exports.createPreprocessor = createPreprocessor;