[CL-737] Migrate last copy click input to signal (#16291)

libs/components/src/copy-click/copy-click.directive.ts

@@ -1,11 +1,11 @@
 import {
   Directive,
   HostListener,
-  Input,
   InjectionToken,
   Inject,
   Optional,
   input,
+  computed,
 } from "@angular/core";
 
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
@@ -26,8 +26,19 @@ export const COPY_CLICK_LISTENER = new InjectionToken<CopyClickListener>("CopyCl
   selector: "[appCopyClick]",
 })
 export class CopyClickDirective {
-  private _showToast = false;
-  private toastVariant: ToastVariant = "success";
+  private _showToast = computed(() => {
+    return this.showToast() !== undefined;
+  });
+
+  private toastVariant = computed(() => {
+    const showToast = this.showToast();
+    // When the `showToast` is set without a value, an empty string will be passed
+    if (showToast === "" || showToast === undefined) {
+      return "success";
+    } else {
+      return showToast;
+    }
+  });
 
   constructor(
     private platformUtilsService: PlatformUtilsService,
@@ -57,17 +68,7 @@ export class CopyClickDirective {
    *  <app-component [appCopyClick]="value to copy" showToast="info"/></app-component>
    * ```
    */
-  // TODO: Skipped for signal migration because:
-  //  Accessor inputs cannot be migrated as they are too complex.
-  @Input() set showToast(value: ToastVariant | "") {
-    // When the `showToast` is set without a value, an empty string will be passed
-    if (value === "") {
-      this._showToast = true;
-    } else {
-      this._showToast = true;
-      this.toastVariant = value;
-    }
-  }
+  showToast = input<ToastVariant | "">();
 
   @HostListener("click") onClick() {
     const valueToCopy = this.valueToCopy();
@@ -77,14 +78,14 @@ export class CopyClickDirective {
       this.copyListener.onCopy(valueToCopy);
     }
 
-    if (this._showToast) {
+    if (this._showToast()) {
       const valueLabel = this.valueLabel();
       const message = valueLabel
         ? this.i18nService.t("valueCopied", valueLabel)
         : this.i18nService.t("copySuccessful");
 
       this.toastService.showToast({
-        variant: this.toastVariant,
+        variant: this.toastVariant(),
         message,
       });
     }

libs/components/src/copy-click/copy-click.stories.ts

@@ -0,0 +1,142 @@
+import { provideNoopAnimations } from "@angular/platform-browser/animations";
+import { applicationConfig, moduleMetadata, StoryObj } from "@storybook/angular";
+
+import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
+import { PlatformUtilsService } from "@bitwarden/common/platform/abstractions/platform-utils.service";
+
+import { FormFieldModule } from "../form-field";
+import { IconButtonModule } from "../icon-button";
+import { InputModule } from "../input";
+import { ToastModule } from "../toast";
+import { I18nMockService } from "../utils";
+
+import { CopyClickDirective } from "./copy-click.directive";
+
+export default {
+  title: "Component Library/Copy Click Directive",
+  component: CopyClickDirective,
+  decorators: [
+    moduleMetadata({
+      imports: [ToastModule, FormFieldModule, InputModule, IconButtonModule],
+    }),
+    applicationConfig({
+      providers: [
+        ToastModule.forRoot().providers!,
+        {
+          provide: PlatformUtilsService,
+          useValue: {
+            // eslint-disable-next-line
+            copyToClipboard: (text: string) => console.log(`"${text}" copied to clipboard`),
+          },
+        },
+        {
+          provide: I18nService,
+          useFactory: () => {
+            return new I18nMockService({
+              valueCopied: (text) => `${text} copied`,
+              copySuccessful: "Copy Successful",
+              success: "Success",
+              close: "Close",
+              info: "Info",
+            });
+          },
+        },
+        provideNoopAnimations(),
+      ],
+    }),
+  ],
+};
+
+type Story = StoryObj<CopyClickDirective>;
+
+export const Default: Story = {
+  render: (args) => ({
+    props: {
+      value: "testValue123",
+      ...args,
+    },
+    template: /*html*/ `
+      <bit-form-field>
+        <bit-label>API Key</bit-label>
+        <input bitInput disabled [value]="value" />
+        <button
+          type="button"
+          bitSuffix
+          bitIconButton="bwi-clone"
+          [label]="'Copy'"
+          [appCopyClick]="value"
+        ></button>
+      </bit-form-field>
+    `,
+  }),
+};
+
+export const WithDefaultToast: Story = {
+  render: (args) => ({
+    props: {
+      value: "testValue123",
+      ...args,
+    },
+    template: /*html*/ `
+      <bit-form-field>
+        <bit-label>API Key</bit-label>
+        <input bitInput disabled [value]="value" />
+        <button
+          type="button"
+          bitSuffix
+          bitIconButton="bwi-clone"
+          [label]="'Copy'"
+          [appCopyClick]="value"
+          showToast
+        ></button>
+      </bit-form-field>
+    `,
+  }),
+};
+
+export const WithCustomToastVariant: Story = {
+  render: (args) => ({
+    props: {
+      value: "testValue123",
+      ...args,
+    },
+    template: /*html*/ `
+      <bit-form-field>
+        <bit-label>API Key</bit-label>
+        <input bitInput disabled [value]="value" />
+        <button
+          type="button"
+          bitSuffix
+          bitIconButton="bwi-clone"
+          [label]="'Copy'"
+          [appCopyClick]="value"
+          showToast="info"
+        ></button>
+      </bit-form-field>
+    `,
+  }),
+};
+
+export const WithCustomValueLabel: Story = {
+  render: (args) => ({
+    props: {
+      value: "testValue123",
+      ...args,
+    },
+    template: /*html*/ `
+      <bit-form-field>
+        <bit-label>API Key</bit-label>
+        <input bitInput disabled [value]="value" />
+        <button
+          type="button"
+          bitSuffix
+          bitIconButton="bwi-clone"
+          [label]="'Copy'"
+          [appCopyClick]="value"
+          showToast
+          valueLabel="API Key"
+        ></button>
+      </bit-form-field>
+    `,
+  }),
+};