Virtual Scroll displays a virtual, "infinite" list. Supports horizontal/vertical, variable heights, & multi-column.

iharbeck

@iharbeck/ngx-virtual-scroller

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{{- packageName}} - npm Package Compare versions

  "name": "@iharbeck/ngx-virtual-scroller",

    "url": "git+https://github.com/iharbeck/ngx-virtual-scroller.git"

    "url": "https://github.com/iharbeck/ngx-virtual-scroller/issues"

  "homepage": "https://github.com/iharbeck/ngx-virtual-scroller#readme",

  "module": "fesm2015/iharbeck-ngx-virtual-scroller.mjs",

  "es2020": "fesm2020/iharbeck-ngx-virtual-scroller.mjs",

  "esm2020": "esm2020/iharbeck-ngx-virtual-scroller.mjs",

  "fesm2020": "fesm2020/iharbeck-ngx-virtual-scroller.mjs",

  "fesm2015": "fesm2015/iharbeck-ngx-virtual-scroller.mjs",

      "esm2020": "./esm2020/iharbeck-ngx-virtual-scroller.mjs",

      "es2020": "./fesm2020/iharbeck-ngx-virtual-scroller.mjs",

      "es2015": "./fesm2015/iharbeck-ngx-virtual-scroller.mjs",

      "node": "./fesm2015/iharbeck-ngx-virtual-scroller.mjs",

      "default": "./fesm2020/iharbeck-ngx-virtual-scroller.mjs"

This module displays a small subset of records just enough to fill the viewport and uses the same DOM elements as the user scrolls.

This method is effective because the number of DOM elements are always constant and tiny irrespective of the size of the list. Thus virtual scroll can display an infinitely growing list of items in an efficient way.

- `v14.0.1` add dependency @tweenjs/tween.js to main project

- `v3.0.0` Several deprecated properties removed (see changelog).

    - If items array is prepended with additional items, keep scroll on currently visible items, if possible. There is no flag to disable this, because it seems to be the best user-experience in all cases. If you disagree, please create an issue.

- `v2.1.0` Dependency Injection syntax was changed.

- `v1.0.6` viewPortIndices API property removed. (use viewPortInfo instead)

- `v1.0.3` Renamed everything from _virtual-scroll_ to _virtual-scroller_ and from _virtualScroll_ to _virtualScroller_

- `v0.4.13` _resizeBypassRefreshTheshold_ renamed to _resizeBypassRefreshThreshold_ (typo)

- `v0.4.12` The start and end values of the change/start/end events were including bufferAmount, which made them confusing. This has been corrected.

    - viewPortIndices.arrayStartIndex renamed to viewPortIndices.startIndex and viewPortIndices.arrayEndIndex renamed to viewPortIndices.endIndex

- `v0.4.4` The value of IPageInfo.endIndex wasn't intuitive. This has been corrected. Both IPageInfo.startIndex and IPageInfo.endIndex are the 0-based array indexes of the items being rendered in the viewport. (Previously Change.EndIndex was the array index + 1)

*Note* - API methods marked *(DEPRECATED)* will be removed in the next major version. Please attempt to stop using them in your code & create an issue if you believe they're still necessary.

- Support for fixed `<thead>` on `<table>` elements.

- Added API to query for current scroll px position (also passed as argument to `IPageInfo` listeners)

- Added API to invalidate cached child item measurements (if your child item sizes change dynamically)

- Added API to scroll to specific px position

- If scroll container resizes, the items will auto-refresh. Can be disabled if it causes any performance issues by setting `[checkResizeInterval]="0"`

- `useMarginInsteadOfTranslate` flag. Defaults to _false_. This can affect performance (better/worse depending on your circumstances), and also creates a workaround for the transform+position:fixed browser bug.

- Support for elements with different sizes

- Added ability to put other elements inside of scroll (Need to wrap list itself in @ContentChild('container'))

- Added ability to use any parent with scrollbar instead of this element (@Input() parentScroll)

[See Demo Here](http://rintoj.github.io/ngx-virtual-scroller)

<virtual-scroller #scroll [items]="items">

    <my-custom-component *ngFor="let item of scroll.viewPortItems">

note: viewPortItems must be a public field to work with AOT

<virtual-scroller [items]="items" (vsUpdate)="viewPortItems = $event">

    <my-custom-component *ngFor="let item of viewPortItems">

**Step 2:** Import virtual scroll module into your app module

import { VirtualScrollerModule } from 'ngx-virtual-scroller';

**Step 3:** Wrap _virtual-scroller_ tag around elements;

You must also define width and height for the container and for its children.

		{
		"name": "@iharbeck/ngx-virtual-scroller",
		"version": "14.0.2",
		"version": "14.0.3",
		"peerDependencies": {
		@@ -5,0 +5,0 @@ "@angular/common": "^14.0.0",

		@@ -34,3 +34,2 @@
		## Breaking Changes:
		- `v14.0.1` add dependency @tweenjs/tween.js to main project
		- `v3.0.0` Several deprecated properties removed (see changelog).
		@@ -37,0 +36,0 @@ - If items array is prepended with additional items, keep scroll on currently visible items, if possible. There is no flag to disable this, because it seems to be the best user-experience in all cases. If you disagree, please create an issue.

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