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开源软件名称(OpenSource Name):sindresorhus/gulp-changed开源软件地址(OpenSource Url):https://github.com/sindresorhus/gulp-changed开源编程语言(OpenSource Language):JavaScript 100.0%开源软件介绍(OpenSource Introduction):gulp-changed
No more wasting precious time on processing unchanged files. By default it's only able to detect whether files in the stream changed. If you require something more advanced like knowing if imports/dependencies changed, create a custom comparator, or use another plugin. Install
Usageconst gulp = require('gulp');
const changed = require('gulp-changed');
const ngAnnotate = require('gulp-ng-annotate'); // Just as an example
const SOURCE = 'src/*.js';
const DESTINATION = 'dist';
exports.default = () => (
gulp.src(SOURCE)
.pipe(changed(DESTINATION))
// `ngAnnotate` will only get the files that
// changed since the last time it was run
.pipe(ngAnnotate())
.pipe(gulp.dest(DESTINATION))
); APIchanged(destination, options?)destinationType: Destination directory. Same as you put into This is needed to be able to compare the current files with the destination files. Can also be a function returning a destination directory path. optionsType: cwdType: Working directory the folder is relative to. extensionType: Extension of the destination files. Useful if it differs from the original, like in the example below: exports.jade = () => (
gulp.src('src/**/*.jade')
.pipe(changed('app', {extension: '.html'}))
.pipe(jade())
.pipe(gulp.dest('app'))
); hasChangedType: Function that determines whether the source file is different from the destination file. Built-in comparators
Exampleexports.jade = () => (
gulp.src('src/**/*.jade')
.pipe(changed('app', {hasChanged: changed.compareContents}))
.pipe(jade())
.pipe(gulp.dest('app'))
); You can also supply a custom comparator function which will receive the following arguments and should return
transformPathType: Function to transform the path to the destination file. Should return the absolute path to the (renamed) destination file. Useful if you rename your file later on, like in the below example: exports.marked = () => (
gulp.src('src/content/about.md')
.pipe(changed('dist', {transformPath: newPath => path.join(path.dirname(newPath), path.basename(newPath, '.md'), 'index.html')}))
.pipe(marked())
.pipe(rename(newPath => path.join(path.dirname(newPath), path.basename(newPath, '.md'), 'index.html'))))
.pipe(gulp.dest('dist'))
); In-place change monitoringIf you're looking to process source files in-place without any build output (formatting, linting, etc), have a look at gulp-changed-in-place. |
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