node-query/node_modules/grunt-istanbul/tasks/helpers.js

147 lines
4.8 KiB
JavaScript

exports.init = function(grunt) {
'use strict';
var fs = require('fs');
var path = require('path');
var flow = require('nue').flow;
var as = require('nue').as;
var istanbul = require('istanbul');
function flowEnd(err, done) {
if (err) {
grunt.fail.fatal(err);
} else {
grunt.log.ok();
}
done();
}
function makeReporters(options) {
var result = [];
var reporters = options.reporters &&
typeof options.reporters === 'object' ? options.reporters : {};
Object.keys(reporters).forEach(function(n) {
if(reporters[n]) {
result.push({ type : n, options : reporters[n] });
}
});
var append = function(t) {
if(t && !reporters[t]) {
result.push({ type : t, options : options});
reporters[t] = true;
}
};
if (Array.isArray(options.type)) {
options.type.forEach(append);
} else {
append(options.type);
}
var mapping = {
'none' : [],
'detail': ['text'],
'both' : ['text', 'text-summary']
};
var a = mapping[options.print];
if(a) {
a.forEach(append);
} else {
append('text-summary');
}
return result;
}
return {
instrument : function(files, options, done) {
var outFile = function(file) {
return path.join(options.basePath, options.flatten === true ? path.basename(file) : file);
};
var instFlow = flow(function readFile(f) {
fs.readFile(f.name, 'utf8', this.async({
name : f.name,
code : as(1)
}));
}, function instrument(f) {
grunt.verbose.writeln('instrument from ' + f.name);
var instrumenter = new istanbul.Instrumenter(options);
instrumenter.instrument(f.code, f.name, this.async({
name : f.name,
code : as(1)
}));
}, function write(result) {
var out = outFile(result.name);
grunt.verbose.writeln('instrument to ' + out);
grunt.file.mkdir(path.dirname(out));
fs.writeFile(out, result.code, 'utf8', this.async(as(1)));
}, function end() {
flowEnd(this.err, this.next.bind(this));
});
var dateCheckFlow = flow(function checkDestExists(f) {
grunt.verbose.writeln('checking destination exists ' + f.name);
fs.exists(outFile(f.name), this.async({ name : f.name, exists : as(0) }));
},
function readStat(f) {
if (f.exists) {
grunt.verbose.writeln('reading stat for ' + f.name);
fs.stat(f.name, this.async({ name : f.name, stat : as(1) }));
fs.stat(outFile(f.name), this.async({ name : f.name, stat : as(1) }));
} else {
grunt.verbose.writeln('instrumented file does not exist ' + f.name);
this.end({ name : f.name, instrument : true });
}
}, function decision(i, o) {
var reinstrument = i.stat.mtime.getTime() > o.stat.mtime.getTime();
grunt.verbose.writeln('make a decision about instrumenting ' + i.name + ': ' + reinstrument);
this.end({ name: i.name, instrument: reinstrument });
}, function end(f) {
if (f.instrument) {
this.exec(instFlow, { name : f.name }, this.async());
} else {
flowEnd(this.err, this.next.bind(this));
}
});
flow(function(filelist) {
this.asyncEach(filelist, function(file, group) {
this.exec((options.lazy ? dateCheckFlow : instFlow), { name : file }, group.async(as(1)));
});
}, done)(files);
},
storeCoverage : function(coverage, options, done) {
flow(function write_json(cov) {
var json = path.resolve(options.dir, options.json);
grunt.file.mkdir(path.dirname(json));
fs.writeFile(json, JSON.stringify(cov), 'utf8', this.async(as(1)));
}, function() {
flowEnd(this.err, done);
})(coverage);
},
makeReport : function(files, options, done) {
flow(function(filelist) {
this.asyncEach(filelist, function(file, group) {
grunt.verbose.writeln('read from ' + file);
fs.readFile(file, 'utf8', group.async(as(1)));
});
}, function report(list) {
var collector = new istanbul.Collector();
list.forEach(function(json) {
collector.add(JSON.parse(json));
});
makeReporters(options).forEach(function(repoDef) {
var reporter = istanbul.Report.create(repoDef.type, repoDef.options);
reporter.writeReport(collector, true);
});
this.next();
}, function() {
flowEnd(this.err, done);
})(files);
}
};
};