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build(gulp): use gulp-watch instead of gulp.watch for watching files

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gulp-watch uses chokidar which uses fsevents which is much better than fs polling or relying on fs.watch.

fsevents use only one FD per watch invocation as opposed to one FD per watched directory and any subdirectory.

this should improve the situation with EMFILE errors (caused by lack of available file descriptors)

----

I also tried the following:

gulp-sane: requires watchman installation via brew so I didn't want to request that everyone goes throught that yet
gulp-chokidar: didn't work, seems to be obsolete
This commit is contained in:
Igor Minar
2015-05-07 21:55:21 -07:00
parent fa28b28d0a
commit 5e4fa5cf07
4 changed files with 694 additions and 16 deletions
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11
gulpfile.js
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@ -13,6 +13,7 @@ var madge = require('madge');
var merge = require('merge');
var merge2 = require('merge2');
var path = require('path');
var watch = require('gulp-watch');
var clean = require('./tools/build/clean');
var transpile = require('./tools/build/transpile');
@ -269,7 +270,7 @@ function createDocsTasks(publicBuild) {
gulp.task(taskPrefix, [taskPrefix + '/assets', taskPrefix + '/app', taskPrefix + '/dgeni']);
gulp.task(taskPrefix + '/watch', function() {
return gulp.watch('docs/app/**/*', [taskPrefix + '/app']);
return watch('docs/app/**/*', [taskPrefix + '/app']);
});
gulp.task(taskPrefix + '/test', function (done) {
@ -337,7 +338,7 @@ gulp.task('test.unit.js', ['build.js.dev'], function (neverDone) {
'check-format'
);
gulp.watch('modules/**', function() {
watch('modules/**', function() {
runSequence(
'!broccoli.js.dev',
'!test.unit.js/karma-run',
@ -368,7 +369,7 @@ gulp.task('test.unit.dart', ['build/tree.dart'], function (done) {
'!test.unit.dart/karma-run'
);
gulp.watch('modules/angular2/**', function() {
watch('modules/angular2/**', function() {
runSequence(
'!build/tree.dart',
'!test.unit.dart/karma-run'
@ -420,7 +421,7 @@ gulp.task('test.unit.cjs', ['build/clean.js', 'build.tools'], function (done) {
buildAndTest();
gulp.watch('modules/**', buildAndTest);
watch('modules/**', buildAndTest);
});
@ -441,7 +442,7 @@ gulp.task('test.unit.tools', ['build/clean.tools'], function(done) {
buildAndTest();
gulp.watch('tools/**', buildAndTest);
watch('tools/**', buildAndTest);
});