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d3-dispatch

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d3-dispatch - npm Package Compare versions

Comparing version 0.2.4 to 0.2.5

2

build/bundle.js

@@ -1,1 +0,1 @@

var version = "0.2.4"; export * from "../index"; export {version};
var version = "0.2.5"; export * from "../index"; export {version};

2

build/d3-dispatch.js

@@ -99,3 +99,3 @@ (function (global, factory) {

var version = "0.2.4";
var version = "0.2.5";

@@ -102,0 +102,0 @@ exports.version = version;

2

build/d3-dispatch.min.js

@@ -1,1 +0,1 @@

!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define("d3-dispatch",["exports"],n):n(e.d3_dispatch={})}(this,function(e){"use strict";function n(){return new t(arguments)}function t(e){function n(e){var n=(e+="").indexOf("."),t=e;if(n>=0?e=e.slice(0,n):t+=".",e&&!a.hasOwnProperty(e))throw new Error("unknown type: "+e);return{type:e,name:t}}function t(e){return function(){for(var n,t,r=a[e],i=-1,o=r.length;++i<o;)(t=(n=r[i]).value)&&t.apply(this,arguments);return f}}var r,i=-1,o=e.length,a={},u={},f=this;for(f.on=function(e,t){if(e=n(e),arguments.length<2)return(t=u[e.name])&&t.value;if(e.type){var r,i=a[e.type],o=u[e.name];o&&(o.value=null,r=i.indexOf(o),a[e.type]=i=i.slice(0,r).concat(i.slice(r+1)),delete u[e.name]),t&&(t={value:t},u[e.name]=t,i.push(t))}else if(null==t)for(var l in a)if(t=u[l+e.name]){t.value=null;var i=a[l],r=i.indexOf(t);a[l]=i.slice(0,r).concat(i.slice(r+1)),delete u[t.name]}return f};++i<o;){if(r=e[i]+"",!r||r in f)throw new Error("illegal or duplicate type: "+r);a[r]=[],f[r]=t(r)}}n.prototype=t.prototype;var r="0.2.4";e.version=r,e.dispatch=n});
!function(e,n){"object"==typeof exports&&"undefined"!=typeof module?n(exports):"function"==typeof define&&define.amd?define("d3-dispatch",["exports"],n):n(e.d3_dispatch={})}(this,function(e){"use strict";function n(){return new t(arguments)}function t(e){function n(e){var n=(e+="").indexOf("."),t=e;if(n>=0?e=e.slice(0,n):t+=".",e&&!a.hasOwnProperty(e))throw new Error("unknown type: "+e);return{type:e,name:t}}function t(e){return function(){for(var n,t,r=a[e],i=-1,o=r.length;++i<o;)(t=(n=r[i]).value)&&t.apply(this,arguments);return f}}var r,i=-1,o=e.length,a={},u={},f=this;for(f.on=function(e,t){if(e=n(e),arguments.length<2)return(t=u[e.name])&&t.value;if(e.type){var r,i=a[e.type],o=u[e.name];o&&(o.value=null,r=i.indexOf(o),a[e.type]=i=i.slice(0,r).concat(i.slice(r+1)),delete u[e.name]),t&&(t={value:t},u[e.name]=t,i.push(t))}else if(null==t)for(var l in a)if(t=u[l+e.name]){t.value=null;var i=a[l],r=i.indexOf(t);a[l]=i.slice(0,r).concat(i.slice(r+1)),delete u[t.name]}return f};++i<o;){if(r=e[i]+"",!r||r in f)throw new Error("illegal or duplicate type: "+r);a[r]=[],f[r]=t(r)}}n.prototype=t.prototype;var r="0.2.5";e.version=r,e.dispatch=n});

4

package.json
{
"name": "d3-dispatch",
"version": "0.2.4",
"version": "0.2.5",
"description": "Register named callbacks and call them with arguments.",

@@ -12,3 +12,3 @@ "keywords": [

"homepage": "https://github.com/d3/d3-dispatch",
"license" : "BSD-3-Clause",
"license": "BSD-3-Clause",
"author": {

@@ -15,0 +15,0 @@ "name": "Mike Bostock",

32

README.md
# d3-dispatch
Register named callbacks and call them with arguments. Dispatching is a convenient mechanism for separating concerns with loosely-coupled code. A variety of D3 components, such as [d3-xhr](https://github.com/d3/d3-xhr), use d3-dispatch to emit events. Think of this like Node’s [EventEmitter](https://nodejs.org/api/events.html), except every listener has a well-defined name so it’s easy to remove or replace them.
Dispatching is a convenient mechanism for separating concerns with loosely-coupled code: register named callbacks and then call them with arbitrary arguments. A variety of D3 components, such as [d3-request](https://github.com/d3/d3-request), use this mechanism to emit events to listeners. Think of this like Node’s [EventEmitter](https://nodejs.org/api/events.html), except every listener has a well-defined name so it’s easy to remove or replace them.
For example, if you create a dispatch `d` for `"start"` and `"end"` callbacks:
For example, if you create a dispatch for `"start"` and `"end"` callbacks:
```js
var d = dispatch("start", "end");
var dispatch = d3_dispatch.dispatch("start", "end");
```

@@ -14,5 +14,5 @@

```js
d.on("start", callback1);
d.on("start.foo", callback2);
d.on("end", callback3);
dispatch.on("start", callback1);
dispatch.on("start.foo", callback2);
dispatch.on("end", callback3);
```

@@ -23,3 +23,3 @@

```js
d.start("pass arguments to callbacks here");
dispatch.start("pass arguments to callbacks here");
```

@@ -31,7 +31,13 @@

If you use NPM, `npm install d3-dispatch`. Otherwise, download the [latest release](https://github.com/d3/d3-dispatch/releases/latest).
If you use NPM, `npm install d3-dispatch`. Otherwise, download the [latest release](https://github.com/d3/d3-dispatch/releases/latest). The released bundle supports AMD, CommonJS, and vanilla environments. Create a custom build using [Rollup](https://github.com/rollup/rollup) or your preferred bundler. You can also load directly from [d3js.org](https://d3js.org):
```html
<script src="https://d3js.org/d3-dispatch.v0.2.min.js"></script>
```
In a vanilla environment, a `d3_dispatch` global is exported. [Try d3-dispatch in your browser.](https://tonicdev.com/npm/d3-dispatch)
## API Reference
<a name="dispatch" href="#dispatch">#</a> <b>dispatch</b>(<i>types…</i>)
<a name="dispatch" href="#dispatch">#</a> d3_dispatch.<b>dispatch</b>(<i>types…</i>)

@@ -61,9 +67,1 @@ Creates a new dispatch object for the specified *types*. Each *type* is a string representing the name of a callback type, such as `"zoom"` or `"change"`; for each type, a method is exposed on the returned dispatch object for invoking the callbacks of that type.

You can pass whatever arguments you want to callbacks; most commonly, you might create an object that represents an event, or pass the current datum (*d*) and index (*i*). See [function.call](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/Call) and [function.apply](https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/Apply) for further information.
## Changes from D3 3.x:
* It is now an error to attempt to register a callback type that: conflicts with a built-in property on all objects, such as `__proto__` or `hasOwnProperty`; conflicts with a built-in method on dispatch (e.g., `on`); conflicts with another type on the same dispatch (e.g., `dispatch("foo", "foo")`); is the empty string.
* The exposed [*dispatch*.*type*](#type) field is now strictly a method for invoking callbacks. Use `dispatch.on(type, …)` to get or set callbacks, rather than `dispatch[type].on(…)`.
* The `instanceof` operator now works as expected with dispatch objects.
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