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d3-selection

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d3-selection - npm Package Compare versions

Comparing version 1.3.2 to 1.4.0

src/identity.js
src/selection/join.js

40

dist/d3-selection.js

@@ -1,2 +0,2 @@

// https://d3js.org/d3-selection/ v1.3.2 Copyright 2018 Mike Bostock
// https://d3js.org/d3-selection/ v1.4.0 Copyright 2019 Mike Bostock
(function (global, factory) {

@@ -95,27 +95,10 @@ typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :

var matcher = function(selector) {
function matcher(selector) {
return function() {
return this.matches(selector);
};
};
if (typeof document !== "undefined") {
var element = document.documentElement;
if (!element.matches) {
var vendorMatches = element.webkitMatchesSelector
|| element.msMatchesSelector
|| element.mozMatchesSelector
|| element.oMatchesSelector;
matcher = function(selector) {
return function() {
return vendorMatches.call(this, selector);
};
};
}
}
var matcher$1 = matcher;
function selection_filter(match) {
if (typeof match !== "function") match = matcher$1(match);
if (typeof match !== "function") match = matcher(match);

@@ -282,2 +265,10 @@ for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {

function selection_join(onenter, onupdate, onexit) {
var enter = this.enter(), update = this, exit = this.exit();
enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + "");
if (onupdate != null) update = onupdate(update);
if (onexit == null) exit.remove(); else onexit(exit);
return enter && update ? enter.merge(update).order() : update;
}
function selection_merge(selection$$1) {

@@ -305,3 +296,3 @@

if (node = group[i]) {
if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next);
next = node;

@@ -704,4 +695,4 @@ }

if (typeof document !== "undefined") {
var element$1 = document.documentElement;
if (!("onmouseenter" in element$1)) {
var element = document.documentElement;
if (!("onmouseenter" in element)) {
filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"};

@@ -860,2 +851,3 @@ }

exit: selection_exit,
join: selection_join,
merge: selection_merge,

@@ -982,3 +974,3 @@ order: selection_order,

exports.local = local;
exports.matcher = matcher$1;
exports.matcher = matcher;
exports.mouse = mouse;

@@ -985,0 +977,0 @@ exports.namespace = namespace;

4

dist/d3-selection.min.js

@@ -1,2 +0,2 @@

// https://d3js.org/d3-selection/ v1.3.2 Copyright 2018 Mike Bostock
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// https://d3js.org/d3-selection/ v1.4.0 Copyright 2019 Mike Bostock
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2

package.json
{
"name": "d3-selection",
"version": "1.3.2",
"version": "1.4.0",
"description": "Data-driven DOM manipulation: select elements and join them to data.",

@@ -5,0 +5,0 @@ "keywords": [

60

README.md

@@ -189,3 +189,3 @@ # d3-selection

This method is commonly used to merge the [enter](#selection_enter) and [update](#selection_data) selections after a [data-join](#joining-data). After modifying the entering and updating elements separately, you can merge the two selections and perform operations on both without duplicate code. For example:
This method is used internally by [*selection*.join](#selection_join) to merge the [enter](#selection_enter) and [update](#selection_data) selections after [binding data](#joining-data). You can also merge explicitly. For example:

@@ -204,3 +204,3 @@ ```js

See [*selection*.data](#selection_data) for a more complete explanation of this code, which is known as the general update pattern.
See [*selection*.data](#selection_data) for more.

@@ -459,6 +459,8 @@ This method is not intended for concatenating arbitrary selections, however: if both this selection and the specified *other* selection have (non-null) elements at the same index, this selection’s element is returned in the merge and the *other* selection’s element is ignored.

Joins the specified array of *data* with the selected elements, returning a new selection that represents the *update* selection: the elements successfully bound to data. Also defines the [enter](#selection_enter) and [exit](#selection_exit) selections on the returned selection, which can be used to add or remove elements to correspond to the new data. The specified *data* is an array of arbitrary values (*e.g.*, numbers or objects), or a function that returns an array of values for each group. When data is assigned to an element, it is stored in the property `__data__`, thus making the data “sticky” and available on re-selection.
Binds the specified array of *data* with the selected elements, returning a new selection that represents the *update* selection: the elements successfully bound to data. Also defines the [enter](#selection_enter) and [exit](#selection_exit) selections on the returned selection, which can be used to add or remove elements to correspond to the new data. The specified *data* is an array of arbitrary values (*e.g.*, numbers or objects), or a function that returns an array of values for each group. When data is assigned to an element, it is stored in the property `__data__`, thus making the data “sticky” and available on re-selection.
The *data* is specified **for each group** in the selection. If the selection has multiple groups (such as [d3.selectAll](#selectAll) followed by [*selection*.selectAll](#selection_selectAll)), then *data* should typically be specified as a function. This function will be evaluated for each group in order, being passed the group’s parent datum (*d*, which may be undefined), the group index (*i*), and the selection’s parent nodes (*nodes*), with *this* as the group’s parent element. For example, to create an HTML table from a matrix of numbers:
The *data* is specified **for each group** in the selection. If the selection has multiple groups (such as [d3.selectAll](#selectAll) followed by [*selection*.selectAll](#selection_selectAll)), then *data* should typically be specified as a function. This function will be evaluated for each group in order, being passed the group’s parent datum (*d*, which may be undefined), the group index (*i*), and the selection’s parent nodes (*nodes*), with *this* as the group’s parent element.
In conjunction with [*selection*.join](#selection_join) (or more explicitly with [*selection*.enter](#selection_enter), [*selection*.exit](#selection_exit), [*selection*.append](#selection_append) and [*selection*.remove](#selection_remove)), *selection*.data can be used to enter, update and exit elements to match data. For example, to create an HTML table from a matrix of numbers:
```js

@@ -476,7 +478,7 @@ var matrix = [

.data(matrix)
.enter().append("tr");
.join("tr");
var td = tr.selectAll("td")
.data(function(d) { return d; })
.enter().append("td")
.join("td")
.text(function(d) { return d; });

@@ -509,4 +511,4 @@ ```

{name: "Jarrah", number: 16},
{name: "Shephard", number: 31},
{name: "Kwon", number: 34}
{name: "Shephard", number: 23},
{name: "Kwon", number: 42}
];

@@ -523,8 +525,28 @@

Although the data-join can be used simply to create (to *enter*) a set of elements corresponding to data, more generally the data-join is designed to let you create, destroy or update elements as needed so that the resulting DOM corresponds to the new data. The data-join lets you do this efficiently by executing only the minimum necessary operations on each state of element (entering, updating, or exiting), and allows you to declare concise animated transitions between states as well. Here is a simple example of the [General Update Pattern](http://bl.ocks.org/mbostock/3808218):
If *data* is not specified, this method returns the array of data for the selected elements.
This method cannot be used to clear bound data; use [*selection*.datum](#selection_datum) instead.
<a name="selection_join" href="#selection_join">#</a> <i>selection</i>.<b>join</b>(<i>enter</i>[, <i>update</i>][, <i>exit</i>]) [<>](https://github.com/d3/d3-selection/blob/master/src/selection/join.js "Source")
Appends, removes and reorders elements as necessary to match the data that was previously bound by [*selection*.data](#selection_data), returning the [merged](#selection_merge) enter and update selection. This method is a convenient alternative to the more explicit [*selection*.enter](#selection_enter), [*selection*.exit](#selection_exit), [*selection*.append](#selection_append) and [*selection*.remove](#selection_remove)). For example:
```js
svg.selectAll("circle")
.data(data)
.join(
enter => enter.append("circle").attr("fill", "green"),
update => update.attr("fill", "blue")
)
.attr("stroke", "black");
```
See the [*selection*.join Observable notebook](https://beta.observablehq.com/d/6c522dda5dd9daa3) for more examples.
This is equivalent to the [General Update Pattern](http://bl.ocks.org/mbostock/3808218):
```js
var circle = svg.selectAll("circle") // 1
.data(data) // 2
.style("fill", "blue"); // 3
.attr("fill", "blue"); // 3

@@ -534,5 +556,6 @@ circle.exit().remove(); // 4

circle = circle.enter().append("circle") // 5, 9
.style("fill", "green") // 6
.attr("fill", "green") // 6
.merge(circle) // 7
.style("stroke", "black"); // 8
.order() // 8
.attr("stroke", "black"); // 9
```

@@ -549,11 +572,8 @@

7. A new selection representing the [union](#selection_merge) of entering and updating circles is created.
8. These entering and updating circles are given a black stroke.
9. These circles are stored in the variable `circle`.
8. These entering and updating circles are reordered to match the data (if necessary).
9. The circles are given a black stroke.
10. The circles are stored in the variable `circle`.
As described in the preceding paragraphs, the “matching” logic is determined by the key function passed to *selection*.data; since no key function is used in the above code sample, the elements and data are joined by index.
If *data* is not specified, this method returns the array of data for the selected elements.
This method cannot be used to clear bound data; use [*selection*.datum](#selection_datum) instead.
<a name="selection_enter" href="#selection_enter">#</a> <i>selection</i>.<b>enter</b>() [<>](https://github.com/d3/d3-selection/blob/master/src/selection/enter.js "Source")

@@ -648,3 +668,3 @@

<a name="selection_on" href="#selection_on">#</a> <i>selection</i>.<b>on</b>(<i>typenames</i>[, <i>listener</i>[, <i>capture</i>]]) [<>](https://github.com/d3/d3-selection/blob/master/src/selection/on.js "Source")
<a name="selection_on" href="#selection_on">#</a> <i>selection</i>.<b>on</b>(<i>typenames</i>[, <i>listener</i>[, <i>options</i>]]) [<>](https://github.com/d3/d3-selection/blob/master/src/selection/on.js "Source")

@@ -657,3 +677,3 @@ Adds or removes a *listener* to each selected element for the specified event *typenames*. The *typenames* is a string event type, such as `click`, `mouseover`, or `submit`; any [DOM event type](https://developer.mozilla.org/en-US/docs/Web/Events#Standard_events) supported by your browser may be used. The type may be optionally followed by a period (`.`) and a name; the optional name allows multiple callbacks to be registered to receive events of the same type, such as `click.foo` and `click.bar`. To specify multiple typenames, separate typenames with spaces, such as `input change` or `click.foo click.bar`.

An optional *capture* flag may be specified which corresponds to the W3C [useCapture flag](http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-registration): “After initiating capture, all events of the specified type will be dispatched to the registered EventListener before being dispatched to any EventTargets beneath them in the tree. Events which are bubbling upward through the tree will not trigger an EventListener designated to use capture.”
An optional *options* object may specify characteristics about the event listener, such as whether it is capturing or passive; see [*element*.addEventListener](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener).

@@ -660,0 +680,0 @@ If a *listener* is not specified, returns the currently-assigned listener for the specified event *typename* on the first (non-null) selected element, if any. If multiple typenames are specified, the first matching listener is returned.

19

src/matcher.js

@@ -1,22 +0,5 @@

var matcher = function(selector) {
export default function(selector) {
return function() {
return this.matches(selector);
};
};
if (typeof document !== "undefined") {
var element = document.documentElement;
if (!element.matches) {
var vendorMatches = element.webkitMatchesSelector
|| element.msMatchesSelector
|| element.mozMatchesSelector
|| element.oMatchesSelector;
matcher = function(selector) {
return function() {
return vendorMatches.call(this, selector);
};
};
}
}
export default matcher;

2

src/selection/index.js

@@ -7,2 +7,3 @@ import selection_select from "./select";

import selection_exit from "./exit";
import selection_join from "./join";
import selection_merge from "./merge";

@@ -52,2 +53,3 @@ import selection_order from "./order";

exit: selection_exit,
join: selection_join,
merge: selection_merge,

@@ -54,0 +56,0 @@ order: selection_order,

2

src/selection/order.js

@@ -6,3 +6,3 @@ export default function() {

if (node = group[i]) {
if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next);
next = node;

@@ -9,0 +9,0 @@ }

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