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Chris Hasson
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feat(ui): add decorated VSCode text field component
Introduces a new `DecoratedVSCodeTextField` component that wraps the standard VSCode text field and allows for the addition of left and right nodes (e.g., icons, currency symbols). This enhances the flexibility and visual presentation of text input fields within the UI. The component includes: - Support for `leftNodes` and `rightNodes` to display content inside the text field. - Automatic padding adjustment based on the presence of nodes. - Storybook stories demonstrating various use cases (price input, search input). - Unit tests to ensure proper rendering and functionality of the component with and without nodes.
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‎apps/storybook/stories/DecoratedVSCodeTextField.stories.tsx

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import type { Meta, StoryObj } from "@storybook/react"
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import { DecoratedVSCodeTextField } from "../../../webview-ui/src/components/common/DecoratedVSCodeTextField"
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const meta: Meta<typeof DecoratedVSCodeTextField> = {
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title: "Component/DecoratedVSCodeTextField",
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component: DecoratedVSCodeTextField,
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parameters: {
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layout: "centered",
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},
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tags: ["autodocs"],
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argTypes: {
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placeholder: {
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control: "text",
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description: "Placeholder text for the input",
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},
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value: {
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control: "text",
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description: "Current value of the input",
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},
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disabled: {
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control: "boolean",
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description: "Whether the input is disabled",
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},
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leftNodes: {
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control: false,
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description: "Array of React nodes to display on the left side of the input",
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},
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rightNodes: {
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control: false,
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description: "Array of React nodes to display on the right side of the input",
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},
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},
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}
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export default meta
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type Story = StoryObj<typeof meta>
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export const Default: Story = {
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args: {
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value: "",
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placeholder: "Enter text...",
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},
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}
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export const WithBothNodes: Story = {
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args: {
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value: "",
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placeholder: "0.00",
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leftNodes: [<span key="dollar">$</span>],
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rightNodes: [<span key="usd">USD</span>],
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},
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}
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export const PriceInput: Story = {
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name: "Price Input Example",
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args: {
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placeholder: "0.00",
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leftNodes: [<span key="dollar">$</span>],
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rightNodes: [<span key="usd">USD</span>],
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value: "25.99",
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},
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}
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export const SearchInput: Story = {
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name: "Search Input Example",
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args: {
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value: "",
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placeholder: "Search files...",
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leftNodes: [<span key="search">🔍</span>],
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rightNodes: [
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<span key="shortcut" style={{ fontSize: "11px", opacity: 0.7 }}>
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⌘K
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</span>,
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],
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},
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}
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export const Disabled: Story = {
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args: {
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placeholder: "Disabled input",
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leftNodes: [<span key="dollar">$</span>],
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disabled: true,
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value: "100.00",
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},
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}

‎webview-ui/src/components/common/DecoratedVSCodeTextField.tsx

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import { cn } from "@/lib/utils"
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import { VSCodeTextField } from "@vscode/webview-ui-toolkit/react"
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import { forwardRef, useCallback, useRef, ReactNode, ComponentRef } from "react"
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// Type for web components that have shadow DOM
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interface WebComponentWithShadowRoot extends HTMLElement {
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shadowRoot: ShadowRoot | null
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}
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export interface VSCodeTextFieldWithNodesProps {
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className?: string
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placeholder?: string
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value?: string
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onInput?: (e: any) => void
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onBlur?: (e: any) => void
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onKeyDown?: (e: any) => void
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style?: React.CSSProperties
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"data-testid"?: string
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leftNodes?: ReactNode[]
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rightNodes?: ReactNode[]
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disabled?: boolean
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}
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function VSCodeTextFieldWithNodesInner(
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props: VSCodeTextFieldWithNodesProps,
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forwardedRef: React.Ref<HTMLInputElement>,
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) {
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const {
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className,
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placeholder,
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value,
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onInput,
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onBlur,
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onKeyDown,
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style,
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"data-testid": dataTestId,
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leftNodes,
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rightNodes,
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disabled,
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...restProps
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} = props
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const inputRef = useRef<HTMLInputElement | null>(null)
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const vscodeFieldRef = useRef<any>(null)
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// Callback ref to get access to the underlying input element.
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// VSCodeTextField doesn't expose this directly so we have to query for it!
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const handleVSCodeFieldRef = useCallback(
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(element: ComponentRef<typeof VSCodeTextField>) => {
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vscodeFieldRef.current = element
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if (!element) return
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const webComponent = element as unknown as WebComponentWithShadowRoot
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const inputElement =
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webComponent.shadowRoot?.querySelector?.("input") || webComponent.querySelector?.("input")
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if (inputElement && inputElement instanceof HTMLInputElement) {
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inputRef.current = inputElement
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if (typeof forwardedRef === "function") {
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forwardedRef?.(inputElement)
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} else if (forwardedRef) {
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;(forwardedRef as React.MutableRefObject<HTMLInputElement | null>).current = inputElement
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}
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}
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},
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[forwardedRef],
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)
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const focusInput = useCallback(async () => {
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if (inputRef.current && document.activeElement !== inputRef.current) {
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setTimeout(() => {
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inputRef.current?.focus()
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})
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}
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}, [])
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const hasLeftNodes = leftNodes && leftNodes.filter(Boolean).length > 0
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const hasRightNodes = rightNodes && rightNodes.filter(Boolean).length > 0
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return (
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<div
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className={cn(
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`group`,
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`relative flex items-center cursor-text`,
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`bg-[var(--input-background)] text-[var(--input-foreground)]`,
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`rounded-[calc(var(--corner-radius-round)*1px)]`,
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className,
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)}
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style={style}
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onMouseDown={focusInput}>
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{hasLeftNodes && (
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<div className="absolute left-2 z-10 flex items-center gap-1 pointer-events-none">{leftNodes}</div>
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)}
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<VSCodeTextField
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placeholder={placeholder}
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value={value}
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onInput={onInput}
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onBlur={onBlur}
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onKeyDown={onKeyDown}
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data-testid={dataTestId}
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disabled={disabled}
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ref={handleVSCodeFieldRef}
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style={{
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flex: 1,
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paddingLeft: hasLeftNodes ? "24px" : undefined,
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paddingRight: hasRightNodes ? "24px" : undefined,
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}}
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className="[--border-width:0]"
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{...restProps}
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/>
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{hasRightNodes && (
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<div className="absolute right-2 z-10 flex items-center gap-1 pointer-events-none">{rightNodes}</div>
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)}
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{/* Absolutely positioned focus border overlay */}
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<div className="absolute top-0 left-0 size-full border border-[var(--input-border)] group-focus-within:border-[var(--focus-border)] rounded-[calc(var(--corner-radius-round)*1px)]"></div>
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</div>
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)
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}
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export const DecoratedVSCodeTextField = forwardRef(VSCodeTextFieldWithNodesInner)

‎webview-ui/src/components/common/__tests__/DecoratedVSCodeTextField.spec.tsx

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import { render, screen } from "@testing-library/react"
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import { DecoratedVSCodeTextField } from "../DecoratedVSCodeTextField"
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describe("DecoratedVSCodeTextField", () => {
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test("renders without nodes as standard VSCodeTextField", () => {
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render(<DecoratedVSCodeTextField placeholder="Test placeholder" data-testid="test-input" />)
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const input = screen.getByTestId("test-input")
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expect(input).toBeInTheDocument()
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})
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test("renders with left nodes", () => {
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render(
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<DecoratedVSCodeTextField
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placeholder="Test placeholder"
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data-testid="test-input"
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leftNodes={[<span key="dollar">$</span>]}
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/>,
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)
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const input = screen.getByTestId("test-input")
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expect(input).toBeInTheDocument()
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// Check that the dollar sign is rendered
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expect(screen.getByText("$")).toBeInTheDocument()
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})
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test("renders with right nodes", () => {
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render(
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<DecoratedVSCodeTextField
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placeholder="Test placeholder"
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data-testid="test-input"
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rightNodes={[<span key="usd">USD</span>]}
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/>,
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)
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const input = screen.getByTestId("test-input")
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expect(input).toBeInTheDocument()
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// Check that the USD text is rendered
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expect(screen.getByText("USD")).toBeInTheDocument()
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})
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test("renders with both left and right nodes", () => {
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render(
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<DecoratedVSCodeTextField
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placeholder="Test placeholder"
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data-testid="test-input"
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leftNodes={[<span key="dollar">$</span>]}
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rightNodes={[<span key="usd">USD</span>]}
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/>,
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)
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const input = screen.getByTestId("test-input")
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expect(input).toBeInTheDocument()
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// Check that both nodes are rendered
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expect(screen.getByText("$")).toBeInTheDocument()
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expect(screen.getByText("USD")).toBeInTheDocument()
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})
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test("handles multiple left nodes", () => {
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render(
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<DecoratedVSCodeTextField
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placeholder="Test placeholder"
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data-testid="test-input"
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leftNodes={[<span key="icon">🔍</span>, <span key="text">Search</span>]}
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/>,
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)
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const input = screen.getByTestId("test-input")
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expect(input).toBeInTheDocument()
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// Check that both left nodes are rendered
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expect(screen.getByText("🔍")).toBeInTheDocument()
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expect(screen.getByText("Search")).toBeInTheDocument()
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})
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})

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