wallet-core/node_modules/istanbul/lib/reporter.js
2017-05-03 15:35:00 +02:00

112 lines
3.6 KiB
JavaScript

/*
Copyright (c) 2014, Yahoo! Inc. All rights reserved.
Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
var Report = require('./report'),
configuration = require('./config'),
inputError = require('./util/input-error');
/**
* convenience mechanism to write one or more reports ensuring that config
* options are respected.
* Usage
* -----
*
* var fs = require('fs'),
* reporter = new require('istanbul').Reporter(),
* collector = new require('istanbul').Collector(),
* sync = true;
*
* collector.add(JSON.parse(fs.readFileSync('coverage.json', 'utf8')));
* reporter.add('lcovonly');
* reporter.addAll(['clover', 'cobertura']);
* reporter.write(collector, sync, function () { console.log('done'); });
*
* @class Reporter
* @param {Configuration} cfg the config object, a falsy value will load the
* default configuration instead
* @param {String} dir the directory in which to write the reports, may be falsy
* to use config or global defaults
* @constructor
* @module main
*/
function Reporter(cfg, dir) {
this.config = cfg || configuration.loadFile();
this.dir = dir || this.config.reporting.dir();
this.reports = {};
}
Reporter.prototype = {
/**
* adds a report to be generated. Must be one of the entries returned
* by `Report.getReportList()`
* @method add
* @param {String} fmt the format of the report to generate
*/
add: function (fmt) {
if (this.reports[fmt]) { // already added
return;
}
var config = this.config,
rptConfig = config.reporting.reportConfig()[fmt] || {};
rptConfig.verbose = config.verbose;
rptConfig.dir = this.dir;
rptConfig.watermarks = config.reporting.watermarks();
try {
this.reports[fmt] = Report.create(fmt, rptConfig);
} catch (ex) {
throw inputError.create('Invalid report format [' + fmt + ']');
}
},
/**
* adds an array of report formats to be generated
* @method addAll
* @param {Array} fmts an array of report formats
*/
addAll: function (fmts) {
var that = this;
fmts.forEach(function (f) {
that.add(f);
});
},
/**
* writes all reports added and calls the callback when done
* @method write
* @param {Collector} collector the collector having the coverage data
* @param {Boolean} sync true to write reports synchronously
* @param {Function} callback the callback to call when done. When `sync`
* is true, the callback will be called in the same process tick.
*/
write: function (collector, sync, callback) {
var reports = this.reports,
verbose = this.config.verbose,
handler = this.handleDone.bind(this, callback);
this.inProgress = Object.keys(reports).length;
Object.keys(reports).forEach(function (name) {
var report = reports[name];
if (verbose) {
console.error('Write report: ' + name);
}
report.on('done', handler);
report.writeReport(collector, sync);
});
},
/*
* handles listening on all reports to be completed before calling the callback
* @method handleDone
* @private
* @param {Function} callback the callback to call when all reports are
* written
*/
handleDone: function (callback) {
this.inProgress -= 1;
if (this.inProgress === 0) {
return callback();
}
}
};
module.exports = Reporter;