/**
* @license
* Copyright 2016 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
const Formatter = require('./formatter');
const path = require('path');
const fs = require('fs');
const html = fs.readFileSync(path.join(__dirname, 'partials/speedline.html'), 'utf8');
class SpeedlineFormatter extends Formatter {
static getFormatter(type) {
switch (type) {
case 'pretty':
return function(info) {
if (!info || !Array.isArray(info.frames)) {
return '';
}
const output = ` - First Visual Change: ${info.first}ms\n` +
` - Last Visual Change: ${info.complete}ms\n`;
return output;
};
case 'html':
// Returns a handlebars string to be used by the Report.
return html;
default:
throw new Error('Unknown formatter type');
}
}
}
module.exports = SpeedlineFormatter;
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