@ionic/angular
Version:
Angular specific wrappers for @ionic/core
190 lines • 21.4 kB
JavaScript
import { Directive, HostListener, Input, Optional } from '@angular/core';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "../../providers/nav-controller";
import * as i3 from "@angular/router";
/**
* Adds support for Ionic routing directions and animations to the base Angular router link directive.
*
* When the router link is clicked, the directive will assign the direction and
* animation so that the routing integration will transition correctly.
*/
class RouterLinkDelegateDirective {
locationStrategy;
navCtrl;
elementRef;
router;
routerLink;
routerDirection = 'forward';
routerAnimation;
constructor(locationStrategy, navCtrl, elementRef, router, routerLink) {
this.locationStrategy = locationStrategy;
this.navCtrl = navCtrl;
this.elementRef = elementRef;
this.router = router;
this.routerLink = routerLink;
}
ngOnInit() {
this.updateTargetUrlAndHref();
this.updateTabindex();
/**
* Ionic components like `ion-item` render a native anchor in their shadow DOM,
* so a modifier click (ctrl/meta/shift/alt) or a non-`_self` target should let
* the browser handle the navigation natively (new tab, new window, download)
* instead of navigating in-app.
*
* We listen in the capture phase so this runs before Angular's `RouterLink`
* handler and our own bubble-phase `onClick`. On a native-navigation intent it
* stops propagation to cancel the in-app navigation, but leaves `preventDefault`
* alone so the native anchor can still act.
*/
this.elementRef.nativeElement.addEventListener('click', this.onCaptureClick, { capture: true });
}
ngOnChanges() {
this.updateTargetUrlAndHref();
}
ngOnDestroy() {
this.elementRef.nativeElement.removeEventListener('click', this.onCaptureClick, { capture: true });
}
onCaptureClick = (ev) => {
if (this.opensNatively(ev)) {
ev.stopImmediatePropagation();
}
};
/**
* True when the browser should handle the click natively instead of routing
* in-app: a modifier was held (ctrl/meta/shift/alt), or the host targets
* something other than `_self`. This mirrors the modifier set Angular's own
* `RouterLink` guards on, so an Ionic `routerLink` behaves like a plain anchor
* for new-tab, new-window, and download intents.
*/
opensNatively(ev) {
if (ev instanceof MouseEvent && (ev.ctrlKey || ev.metaKey || ev.shiftKey || ev.altKey)) {
return true;
}
const target = this.elementRef.nativeElement.target;
return target != null && target !== '' && target !== '_self';
}
/**
* The `tabindex` is set to `0` by default on the host element when
* the `routerLink` directive is used. This causes issues with Ionic
* components that wrap an `a` or `button` element, such as `ion-item`.
* See issue https://github.com/angular/angular/issues/28345
*
* This method removes the `tabindex` attribute from the host element
* to allow the Ionic component to manage the focus state correctly.
*/
updateTabindex() {
// Ionic components that render a native anchor or button element
const ionicComponents = [
'ION-BACK-BUTTON',
'ION-BREADCRUMB',
'ION-BUTTON',
'ION-CARD',
'ION-FAB-BUTTON',
'ION-ITEM',
'ION-ITEM-OPTION',
'ION-MENU-BUTTON',
'ION-SEGMENT-BUTTON',
'ION-TAB-BUTTON',
];
const hostElement = this.elementRef.nativeElement;
if (ionicComponents.includes(hostElement.tagName)) {
if (hostElement.getAttribute('tabindex') === '0') {
hostElement.removeAttribute('tabindex');
}
}
}
updateTargetUrlAndHref() {
if (this.routerLink?.urlTree) {
const href = this.locationStrategy.prepareExternalUrl(this.router.serializeUrl(this.routerLink.urlTree));
this.elementRef.nativeElement.href = href;
}
}
/**
* @internal
*/
onClick(ev) {
this.navCtrl.setDirection(this.routerDirection, undefined, undefined, this.routerAnimation);
/**
* This prevents the browser from
* performing a page reload when pressing
* an Ionic component with routerLink.
* The page reload interferes with routing
* and causes ion-back-button to disappear
* since the local history is wiped on reload.
*/
ev.preventDefault();
}
/** @nocollapse */ static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: RouterLinkDelegateDirective, deps: [{ token: i1.LocationStrategy }, { token: i2.NavController }, { token: i0.ElementRef }, { token: i3.Router }, { token: i3.RouterLink, optional: true }], target: i0.ɵɵFactoryTarget.Directive });
/** @nocollapse */ static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.2.12", type: RouterLinkDelegateDirective, selector: ":not(a):not(area)[routerLink]", inputs: { routerDirection: "routerDirection", routerAnimation: "routerAnimation" }, host: { listeners: { "click": "onClick($event)" } }, usesOnChanges: true, ngImport: i0 });
}
export { RouterLinkDelegateDirective };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: RouterLinkDelegateDirective, decorators: [{
type: Directive,
args: [{
selector: ':not(a):not(area)[routerLink]',
}]
}], ctorParameters: function () { return [{ type: i1.LocationStrategy }, { type: i2.NavController }, { type: i0.ElementRef }, { type: i3.Router }, { type: i3.RouterLink, decorators: [{
type: Optional
}] }]; }, propDecorators: { routerDirection: [{
type: Input
}], routerAnimation: [{
type: Input
}], onClick: [{
type: HostListener,
args: ['click', ['$event']]
}] } });
class RouterLinkWithHrefDelegateDirective {
locationStrategy;
navCtrl;
elementRef;
router;
routerLink;
routerDirection = 'forward';
routerAnimation;
constructor(locationStrategy, navCtrl, elementRef, router, routerLink) {
this.locationStrategy = locationStrategy;
this.navCtrl = navCtrl;
this.elementRef = elementRef;
this.router = router;
this.routerLink = routerLink;
}
ngOnInit() {
this.updateTargetUrlAndHref();
}
ngOnChanges() {
this.updateTargetUrlAndHref();
}
updateTargetUrlAndHref() {
if (this.routerLink?.urlTree) {
const href = this.locationStrategy.prepareExternalUrl(this.router.serializeUrl(this.routerLink.urlTree));
this.elementRef.nativeElement.href = href;
}
}
/**
* @internal
*/
onClick() {
this.navCtrl.setDirection(this.routerDirection, undefined, undefined, this.routerAnimation);
}
/** @nocollapse */ static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: RouterLinkWithHrefDelegateDirective, deps: [{ token: i1.LocationStrategy }, { token: i2.NavController }, { token: i0.ElementRef }, { token: i3.Router }, { token: i3.RouterLink, optional: true }], target: i0.ɵɵFactoryTarget.Directive });
/** @nocollapse */ static ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "16.2.12", type: RouterLinkWithHrefDelegateDirective, selector: "a[routerLink],area[routerLink]", inputs: { routerDirection: "routerDirection", routerAnimation: "routerAnimation" }, host: { listeners: { "click": "onClick()" } }, usesOnChanges: true, ngImport: i0 });
}
export { RouterLinkWithHrefDelegateDirective };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: RouterLinkWithHrefDelegateDirective, decorators: [{
type: Directive,
args: [{
selector: 'a[routerLink],area[routerLink]',
}]
}], ctorParameters: function () { return [{ type: i1.LocationStrategy }, { type: i2.NavController }, { type: i0.ElementRef }, { type: i3.Router }, { type: i3.RouterLink, decorators: [{
type: Optional
}] }]; }, propDecorators: { routerDirection: [{
type: Input
}], routerAnimation: [{
type: Input
}], onClick: [{
type: HostListener,
args: ['click']
}] } });
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{ LocationStrategy } from '@angular/common';\nimport { ElementRef, OnChanges, OnDestroy, OnInit, Directive, HostListener, Input, Optional } from '@angular/core';\nimport { Router, RouterLink } from '@angular/router';\nimport type { AnimationBuilder, RouterDirection } from '@ionic/core/components';\n\nimport { NavController } from '../../providers/nav-controller';\n\n/**\n * Adds support for Ionic routing directions and animations to the base Angular router link directive.\n *\n * When the router link is clicked, the directive will assign the direction and\n * animation so that the routing integration will transition correctly.\n */\n@Directive({\n  selector: ':not(a):not(area)[routerLink]',\n})\nexport class RouterLinkDelegateDirective implements OnInit, OnChanges, OnDestroy {\n  @Input()\n  routerDirection: RouterDirection = 'forward';\n\n  @Input()\n  routerAnimation?: AnimationBuilder;\n\n  constructor(\n    private locationStrategy: LocationStrategy,\n    private navCtrl: NavController,\n    private elementRef: ElementRef,\n    private router: Router,\n    @Optional() private routerLink?: RouterLink\n  ) {}\n\n  ngOnInit(): void {\n    this.updateTargetUrlAndHref();\n    this.updateTabindex();\n\n    /**\n     * Ionic components like `ion-item` render a native anchor in their shadow DOM,\n     * so a modifier click (ctrl/meta/shift/alt) or a non-`_self` target should let\n     * the browser handle the navigation natively (new tab, new window, download)\n     * instead of navigating in-app.\n     *\n     * We listen in the capture phase so this runs before Angular's `RouterLink`\n     * handler and our own bubble-phase `onClick`. On a native-navigation intent it\n     * stops propagation to cancel the in-app navigation, but leaves `preventDefault`\n     * alone so the native anchor can still act.\n     */\n    this.elementRef.nativeElement.addEventListener('click', this.onCaptureClick, { capture: true });\n  }\n\n  ngOnChanges(): void {\n    this.updateTargetUrlAndHref();\n  }\n\n  ngOnDestroy(): void {\n    this.elementRef.nativeElement.removeEventListener('click', this.onCaptureClick, { capture: true });\n  }\n\n  private onCaptureClick = (ev: Event): void => {\n    if (this.opensNatively(ev)) {\n      ev.stopImmediatePropagation();\n    }\n  };\n\n  /**\n   * True when the browser should handle the click natively instead of routing\n   * in-app: a modifier was held (ctrl/meta/shift/alt), or the host targets\n   * something other than `_self`. This mirrors the modifier set Angular's own\n   * `RouterLink` guards on, so an Ionic `routerLink` behaves like a plain anchor\n   * for new-tab, new-window, and download intents.\n   */\n  private opensNatively(ev: Event): boolean {\n    if (ev instanceof MouseEvent && (ev.ctrlKey || ev.metaKey || ev.shiftKey || ev.altKey)) {\n      return true;\n    }\n\n    const target = this.elementRef.nativeElement.target;\n    return target != null && target !== '' && target !== '_self';\n  }\n\n  /**\n   * The `tabindex` is set to `0` by default on the host element when\n   * the `routerLink` directive is used. This causes issues with Ionic\n   * components that wrap an `a` or `button` element, such as `ion-item`.\n   * See issue https://github.com/angular/angular/issues/28345\n   *\n   * This method removes the `tabindex` attribute from the host element\n   * to allow the Ionic component to manage the focus state correctly.\n   */\n  private updateTabindex() {\n    // Ionic components that render a native anchor or button element\n    const ionicComponents = [\n      'ION-BACK-BUTTON',\n      'ION-BREADCRUMB',\n      'ION-BUTTON',\n      'ION-CARD',\n      'ION-FAB-BUTTON',\n      'ION-ITEM',\n      'ION-ITEM-OPTION',\n      'ION-MENU-BUTTON',\n      'ION-SEGMENT-BUTTON',\n      'ION-TAB-BUTTON',\n    ];\n    const hostElement = this.elementRef.nativeElement;\n\n    if (ionicComponents.includes(hostElement.tagName)) {\n      if (hostElement.getAttribute('tabindex') === '0') {\n        hostElement.removeAttribute('tabindex');\n      }\n    }\n  }\n\n  private updateTargetUrlAndHref() {\n    if (this.routerLink?.urlTree) {\n      const href = this.locationStrategy.prepareExternalUrl(this.router.serializeUrl(this.routerLink.urlTree));\n      this.elementRef.nativeElement.href = href;\n    }\n  }\n\n  /**\n   * @internal\n   */\n  @HostListener('click', ['$event'])\n  onClick(ev: UIEvent): void {\n    this.navCtrl.setDirection(this.routerDirection, undefined, undefined, this.routerAnimation);\n\n    /**\n     * This prevents the browser from\n     * performing a page reload when pressing\n     * an Ionic component with routerLink.\n     * The page reload interferes with routing\n     * and causes ion-back-button to disappear\n     * since the local history is wiped on reload.\n     */\n    ev.preventDefault();\n  }\n}\n\n@Directive({\n  selector: 'a[routerLink],area[routerLink]',\n})\nexport class RouterLinkWithHrefDelegateDirective implements OnInit, OnChanges {\n  @Input()\n  routerDirection: RouterDirection = 'forward';\n\n  @Input()\n  routerAnimation?: AnimationBuilder;\n\n  constructor(\n    private locationStrategy: LocationStrategy,\n    private navCtrl: NavController,\n    private elementRef: ElementRef,\n    private router: Router,\n    @Optional() private routerLink?: RouterLink\n  ) {}\n\n  ngOnInit(): void {\n    this.updateTargetUrlAndHref();\n  }\n\n  ngOnChanges(): void {\n    this.updateTargetUrlAndHref();\n  }\n\n  private updateTargetUrlAndHref() {\n    if (this.routerLink?.urlTree) {\n      const href = this.locationStrategy.prepareExternalUrl(this.router.serializeUrl(this.routerLink.urlTree));\n      this.elementRef.nativeElement.href = href;\n    }\n  }\n\n  /**\n   * @internal\n   */\n  @HostListener('click')\n  onClick(): void {\n    this.navCtrl.setDirection(this.routerDirection, undefined, undefined, this.routerAnimation);\n  }\n}\n"]}