LimePot
76722fec47
Going to slowly work on a Bulma site, which will end up being the main site. Currently under the /BETA/ folder so Alpha site will still be main site.
196 lines
8.2 KiB
Markdown
196 lines
8.2 KiB
Markdown
# gaze [](https://travis-ci.org/shama/gaze) [](https://ci.appveyor.com/project/shama/gaze)
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A globbing `fs.watch` wrapper built from the best parts of other fine watch libs.
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Compatible with Node.js >= 4.x, Windows, macOS, and Linux.
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[](https://nodei.co/npm/gaze/)
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## Usage
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Install the module with: `npm install gaze` or place into your `package.json`
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and run `npm install`.
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```javascript
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var gaze = require('gaze');
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// Watch all .js files/dirs in process.cwd()
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gaze('**/*.js', function(err, watcher) {
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// Files have all started watching
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// watcher === this
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// Get all watched files
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var watched = this.watched();
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// On file changed
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this.on('changed', function(filepath) {
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console.log(filepath + ' was changed');
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});
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// On file added
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this.on('added', function(filepath) {
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console.log(filepath + ' was added');
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});
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// On file deleted
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this.on('deleted', function(filepath) {
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console.log(filepath + ' was deleted');
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});
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// On changed/added/deleted
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this.on('all', function(event, filepath) {
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console.log(filepath + ' was ' + event);
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});
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// Get watched files with relative paths
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var files = this.relative();
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});
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// Also accepts an array of patterns
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gaze(['stylesheets/*.css', 'images/**/*.png'], function() {
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// Add more patterns later to be watched
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this.add(['js/*.js']);
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});
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```
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### Alternate Interface
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```javascript
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var Gaze = require('gaze').Gaze;
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var gaze = new Gaze('**/*');
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// Files have all started watching
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gaze.on('ready', function(watcher) { });
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// A file has been added/changed/deleted has occurred
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gaze.on('all', function(event, filepath) { });
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```
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### Errors
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```javascript
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gaze('**/*', function(error, watcher) {
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if (error) {
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// Handle error if it occurred while starting up
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}
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});
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// Or with the alternative interface
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var gaze = new Gaze();
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gaze.on('error', function(error) {
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// Handle error here
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});
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gaze.add('**/*');
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```
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### Minimatch / Glob
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See [isaacs's `minimatch`](https://github.com/isaacs/minimatch) for more
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information on glob patterns.
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## Documentation
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### gaze([patterns, options, callback])
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* `patterns` {`String`|`Array`} File patterns to be matched
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* `options` {`Object`}
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* `callback` {`Function`}
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* `err` {`Error` | `null`}
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* `watcher` {`Object`} Instance of the `Gaze` watcher
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### Class: `gaze.Gaze`
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Create a `Gaze` object by instancing the `gaze.Gaze` class.
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```javascript
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var Gaze = require('gaze').Gaze;
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var gaze = new Gaze(pattern, options, callback);
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```
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#### Properties
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* `options` The options object passed in.
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* `interval` {integer} Interval to pass to `fs.watchFile`
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* `debounceDelay` {integer} Delay for events called in succession for the same
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file/event in milliseconds
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* `mode` {string} Force the watch mode. Either `'auto'` (default), `'watch'` (force native events), or `'poll'` (force stat polling).
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* `cwd` {string} The current working directory to base file patterns from. Default is `process.cwd()`.
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#### Events
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* `ready(watcher)` When files have been globbed and watching has begun.
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* `all(event, filepath)` When an `added`, `changed`, `renamed`, or `deleted` event occurs.
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* `added(filepath)` When a file has been added to a watch directory.
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* `changed(filepath)` When a file has been changed.
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* `deleted(filepath)` When a file has been deleted.
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* `renamed(newPath, oldPath)` When a file has been renamed.
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* `end()` When the watcher is closed and watches have been removed.
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* `error(err)` When an error occurs.
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* `nomatch` When no files have been matched.
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#### Methods
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* `emit(event, [...])` Wrapper for `EventEmitter.emit`.
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`added`|`changed`|`renamed`|`deleted` events will also trigger the `all` event.
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* `close()` Unwatch all files and reset the watch instance.
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* `add(patterns, callback)` Adds file(s) `patterns` to be watched.
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* `remove(filepath)` Removes a file or directory from being watched. Does not
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recurse directories.
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* `watched()` Returns the currently watched files.
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* `relative([dir, unixify])` Returns the currently watched files with relative paths.
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* `dir` {string} Only return relative files for this directory.
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* `unixify` {boolean} Return paths with `/` instead of `\\` if on Windows.
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## Similar Projects
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Other great watch libraries to try are:
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* [paulmillr's `chokidar`](https://github.com/paulmillr/chokidar)
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* [amasad's `sane`](https://github.com/amasad/sane)
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* [mikeal's `watch`](https://github.com/mikeal/watch)
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* [github's `pathwatcher`](https://github.com/atom/node-pathwatcher)
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* [bevry's `watchr`](https://github.com/bevry/watchr)
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## Contributing
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In lieu of a formal styleguide, take care to maintain the existing coding style.
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Add unit tests for any new or changed functionality. Lint and test your code
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using [grunt](http://gruntjs.com/).
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## Release History
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* 1.1.3 - Fix for Node 10 support (@aredridel). Officially dropping support for Node < 4.
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* 1.1.2 - Prevent more `ENOENT` errors from escaping (@alexgorbatchev).
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* 1.1.1 - Prevent `fs.watch` errors from escaping error handler (@rosen-vladimirov). Fix `_addToWatched` without `path.sep` (@wyicwx).
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* 1.1.0 - Update to `globule@1.0.0` with `minimatch >= 3.0.0`.
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* 1.0.0 - Revert back to 0.5.2. Drop support for Node.js v0.8. Fix for `maxListeners`. Update `globule` to `0.2.0`.
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* 0.6.4 - Catch and emit `error` from `readdir` (@oconnore). Fix for `0 maxListeners`. Use `graceful-fs` to avoid `EMFILE` errors in other places `fs` is used. Better method to determine if `pathwatcher` was built. Fix keeping process alive too much, only init `pathwatcher` if a file is being watched. Set min required to Windows Vista when building on Windows (@pvolok).
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* 0.6.3 - Add support for Node.js v0.11
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* 0.6.2 - Fix argument error with `watched()`. Fix for erroneous `added` events on folders. Ignore `msvs` build error 4244.
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* 0.6.1 - Fix for absolute paths.
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* 0.6.0 - Uses native OS events (fork of `pathwatcher`) but can fall back to stat polling. Everything is async to avoid blocking, including `relative()` and `watched()`. Better error handling. Update to `globule@0.2.0`. No longer watches `cwd` by default. Added `mode` option. Better `EMFILE` message. Avoids `ENOENT` errors with symlinks. All constructor arguments are optional.
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* 0.5.2 - Fix for `ENOENT` error with non-existent symlinks [BACKPORTED].
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* 0.5.1 - Use `setImmediate` (`process.nextTick` for Node.js v0.8) to defer `ready`/`nomatch` events (@amasad).
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* 0.5.0 - Process is now kept alive while watching files. Emits a `nomatch` event when no files are matching.
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* 0.4.3 - Track file additions in newly created folders (@brett-shwom).
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* 0.4.2 - Fix `.remove()` method to remove a single file in a directory (@kaelzhang). Fixing “`Cannot call method 'call' of undefined`” (@krasimir). Track new file additions within folders (@brett-shwom).
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* 0.4.1 - Fix `watchDir` not respecting close in race condition (@chrisirhc).
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* 0.4.0 - Drop support for Node.js v0.6. Use `globule` for file matching. Avoid Node.js v0.10 `path.resolve`/`join` errors. Register new files when added to non-existent folder. Multiple instances can now poll the same files (@jpommerening).
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* 0.3.4 - Code clean up. Fix “`path must be strings`” errors (@groner). Fix incorrect `added` events (@groner).
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* 0.3.3 - Fix for multiple patterns with negate.
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* 0.3.2 - Emit `end` before `removeAllListeners`.
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* 0.3.1 - Fix `added` events within subfolder patterns.
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* 0.3.0 - Handle safewrite events, `forceWatchMethod` option removed, bug fixes and watch optimizations (@rgaskill).
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* 0.2.2 - Fix issue where subsequent `add` calls dont get watched (@samcday). `removeAllListeners` on `close`.
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* 0.2.1 - Fix issue with invalid `added` events in current working dir.
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* 0.2.0 - Support and mark folders with `path.sep`. Add `forceWatchMethod` option. Support `renamed` events.
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* 0.1.6 - Recognize the `cwd` option properly
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* 0.1.5 - Catch “`too many open file`” errors
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* 0.1.4 - Really fix the race condition with 2 watches
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* 0.1.3 - Fix race condition with 2 watches
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* 0.1.2 - Read triggering changed event fix
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* 0.1.1 - Minor fixes
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* 0.1.0 - Initial release
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## License
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Copyright (c) 2018 Kyle Robinson Young
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Licensed under the MIT license.
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