build(gulp): lazy-require modules in order to improve startup time
Closes #5498
This commit is contained in:
Igor Minar
@ -9,114 +9,111 @@ var util = require('./util');
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var yaml = require('js-yaml');
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module.exports = function(gulp, plugins, config) {
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return function() {
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var travisFoldEnd = travisFoldStart(`dartanalyzer-${config.use_ddc ? 'ddc' : ''}-${config.dest}`);
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var tempFile = '_analyzer.dart';
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var travisFoldEnd = travisFoldStart(`dartanalyzer-${config.use_ddc ? 'ddc' : ''}-${config.dest}`);
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var tempFile = '_analyzer.dart';
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return util.forEachSubDirSequential(config.dest, function(dir) {
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var pubspecContents = fs.readFileSync(path.join(dir, 'pubspec.yaml'));
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var pubspec = yaml.safeLoad(pubspecContents);
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var packageName = pubspec.name;
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return util.forEachSubDirSequential(config.dest, function(dir) {
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var pubspecContents = fs.readFileSync(path.join(dir, 'pubspec.yaml'));
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var pubspec = yaml.safeLoad(pubspecContents);
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var packageName = pubspec.name;
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var libFiles = [].slice.call(glob.sync('lib/**/*.dart', {cwd: dir}));
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var webFiles = [].slice.call(glob.sync('web/**/*.dart', {cwd: dir}));
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var testFiles = [].slice.call(glob.sync('test/**/*_spec.dart', {cwd: dir}));
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var libFiles = [].slice.call(glob.sync('lib/**/*.dart', {cwd: dir}));
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var webFiles = [].slice.call(glob.sync('web/**/*.dart', {cwd: dir}));
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var testFiles = [].slice.call(glob.sync('test/**/*_spec.dart', {cwd: dir}));
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var analyzeFile = ['library _analyzer;'];
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libFiles.concat(testFiles).concat(webFiles).forEach(function(fileName, index) {
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if (fileName !== tempFile && fileName.indexOf("/packages/") === -1) {
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if (fileName.indexOf('lib') == 0) {
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fileName = 'package:' + packageName + '/' + path.relative('lib', fileName).replace(/\\/g, '/');
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}
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analyzeFile.push('import "' + fileName + '" as mod' + index + ';');
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}
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});
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fs.writeFileSync(path.join(dir, tempFile), analyzeFile.join('\n'));
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var defer = Q.defer();
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if (config.use_ddc) {
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analyze(dir, defer.makeNodeResolver(), true);
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} else {
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analyze(dir, defer.makeNodeResolver());
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}
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return defer.promise;
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}).then(travisFoldEnd);
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var analyzeFile = ['library _analyzer;'];
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libFiles.concat(testFiles).concat(webFiles).forEach(function(fileName, index) {
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if (fileName !== tempFile && fileName.indexOf("/packages/") === -1) {
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if (fileName.indexOf('lib') == 0) {
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fileName = 'package:' + packageName + '/' +
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path.relative('lib', fileName).replace(/\\/g, '/');
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}
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analyzeFile.push('import "' + fileName + '" as mod' + index + ';');
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}
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});
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fs.writeFileSync(path.join(dir, tempFile), analyzeFile.join('\n'));
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var defer = Q.defer();
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if (config.use_ddc) {
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analyze(dir, defer.makeNodeResolver(), true);
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} else {
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analyze(dir, defer.makeNodeResolver());
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}
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return defer.promise;
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}).then(travisFoldEnd);
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function analyze(dirName, done, useDdc) {
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// TODO remove --package-warnings once dartanalyzer handles transitive libraries
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var flags = ['--fatal-warnings', '--package-warnings', '--format=machine'];
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function analyze(dirName, done, useDdc) {
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// TODO remove --package-warnings once dartanalyzer handles transitive libraries
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var flags = ['--fatal-warnings', '--package-warnings', '--format=machine'];
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if (useDdc) {
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console.log('Using DDC analyzer to analyze', dirName);
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flags.push('--strong');
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}
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var args = flags.concat(tempFile);
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var stream = spawn(config.command, args, {
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// inherit stdin and stderr, but filter stdout
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stdio: [process.stdin, process.stdout, 'pipe'],
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cwd: dirName
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});
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// Filter out unused imports from our generated file.
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// We don't reexports from the generated file
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// as this could lead to name clashes when two files
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// export the same thing.
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var rl = readline.createInterface(
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{input: stream.stderr, output: process.stdout, terminal: false});
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var hintCount = 0;
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var errorCount = 0;
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var warningCount = 0;
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rl.on('line', function(line) {
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if (line == "find: > bin [: No such file or directory") {
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//Skip bad output from Dart SDK .bat files on Windows
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return;
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}
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var parsedLine = _AnalyzerOutputLine.parse(line);
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if (!parsedLine) {
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errorCount++;
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console.log('Unexpected output: ' + line);
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return;
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}
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// TODO remove once dartanalyzer handles transitive libraries
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// skip errors in third-party packages
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if (parsedLine.sourcePath.indexOf(dirName) == -1) {
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return;
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}
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if (parsedLine.shouldIgnore()) {
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return;
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}
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if (parsedLine.isHint) {
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hintCount++;
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} else if (parsedLine.isWarning) {
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warningCount++;
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} else {
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errorCount++;
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}
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console.log(dirName + ':' + parsedLine);
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});
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stream.on('close', function() {
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var error;
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var report = [];
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if (errorCount > 0) {
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report.push(errorCount + ' error(s)');
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}
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if (warningCount > 0) {
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report.push(warningCount + ' warning(s)');
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}
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if (hintCount > 0) {
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report.push(hintCount + ' hint(s)');
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}
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if (report.length > 0) {
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error = 'Dartanalyzer showed ' + report.join(', ');
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}
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done(error);
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});
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stream.on('error', function(error) {
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done(error);
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});
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if (useDdc) {
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console.log('Using DDC analyzer to analyze', dirName);
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flags.push('--strong');
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}
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};
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var args = flags.concat(tempFile);
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var stream = spawn(config.command, args, {
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// inherit stdin and stderr, but filter stdout
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stdio: [process.stdin, process.stdout, 'pipe'],
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cwd: dirName
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});
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// Filter out unused imports from our generated file.
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// We don't reexports from the generated file
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// as this could lead to name clashes when two files
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// export the same thing.
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var rl =
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readline.createInterface({input: stream.stderr, output: process.stdout, terminal: false});
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var hintCount = 0;
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var errorCount = 0;
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var warningCount = 0;
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rl.on('line', function(line) {
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if (line == "find: > bin [: No such file or directory") {
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// Skip bad output from Dart SDK .bat files on Windows
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return;
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}
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var parsedLine = _AnalyzerOutputLine.parse(line);
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if (!parsedLine) {
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errorCount++;
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console.log('Unexpected output: ' + line);
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return;
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}
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// TODO remove once dartanalyzer handles transitive libraries
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// skip errors in third-party packages
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if (parsedLine.sourcePath.indexOf(dirName) == -1) {
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return;
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}
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if (parsedLine.shouldIgnore()) {
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return;
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}
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if (parsedLine.isHint) {
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hintCount++;
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} else if (parsedLine.isWarning) {
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warningCount++;
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} else {
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errorCount++;
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}
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console.log(dirName + ':' + parsedLine);
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});
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stream.on('close', function() {
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var error;
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var report = [];
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if (errorCount > 0) {
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report.push(errorCount + ' error(s)');
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}
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if (warningCount > 0) {
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report.push(warningCount + ' warning(s)');
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}
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if (hintCount > 0) {
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report.push(hintCount + ' hint(s)');
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}
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if (report.length > 0) {
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error = 'Dartanalyzer showed ' + report.join(', ');
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}
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done(error);
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});
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stream.on('error', function(error) { done(error); });
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}
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};
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// See https://github.com/dart-lang/analyzer_cli/blob/master/lib/src/error_formatter.dart
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