CSS Files Styling
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<script lang="ts">
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import Icon from '@iconify/svelte';
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import { getButtonStyle, parseColorText, getSegmentStyle } from './utils';
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import type { TerminalLine } from './types';
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import { createEventDispatcher } from 'svelte';
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import '$lib/assets/css/tui-textarea.css';
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export let line: TerminalLine;
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export let inline: boolean = false;
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export let value: string = '';
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const dispatch = createEventDispatcher<{
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input: string;
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change: string;
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focus: void;
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blur: void;
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}>();
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$: labelSegments = line.content ? parseColorText(line.content) : [];
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$: placeholder = line.inputPlaceholder || '';
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$: isDisabled = line.inputDisabled || false;
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$: hasError = line.inputError;
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$: errorMessage = line.inputErrorMessage || '';
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$: rows = line.textareaRows || 4;
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$: maxLength = line.textareaMaxLength;
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let isFocused = false;
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let charCount = 0;
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function handleInput(e: Event) {
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const target = e.target as HTMLTextAreaElement;
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value = target.value;
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charCount = value.length;
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dispatch('input', value);
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}
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function handleChange(e: Event) {
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const target = e.target as HTMLTextAreaElement;
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dispatch('change', target.value);
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}
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function handleFocus() {
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isFocused = true;
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dispatch('focus');
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}
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function handleBlur() {
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isFocused = false;
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dispatch('blur');
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}
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</script>
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<div
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class="tui-textarea"
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class:inline={inline}
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class:focused={isFocused}
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class:error={hasError}
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class:disabled={isDisabled}
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style="--input-color: {getButtonStyle(line.style)}"
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>
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{#if line.content}
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<label class="textarea-label">
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{#if line.icon}
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<Icon icon={line.icon} width="14" class="label-icon" />
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{/if}
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{#each labelSegments as segment}
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{#if segment.icon}
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<Icon icon={segment.icon} width="14" class="inline-icon" />
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{:else if getSegmentStyle(segment)}
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<span style={getSegmentStyle(segment)}>{segment.text}</span>
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{:else}
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{segment.text}
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{/if}
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{/each}
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</label>
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{/if}
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<div class="textarea-wrapper">
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<div class="line-numbers">
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{#each Array(Math.max(rows, value.split('\n').length)) as _, i}
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<span class="line-num">{i + 1}</span>
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{/each}
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</div>
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<textarea
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{placeholder}
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{rows}
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maxlength={maxLength}
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disabled={isDisabled}
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bind:value
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on:input={handleInput}
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on:change={handleChange}
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on:focus={handleFocus}
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on:blur={handleBlur}
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></textarea>
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</div>
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<div class="textarea-footer">
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{#if hasError && errorMessage}
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<div class="textarea-error">
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<Icon icon="mdi:alert-circle" width="12" />
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<span>{errorMessage}</span>
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</div>
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{/if}
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{#if maxLength}
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<div class="char-count" class:warning={charCount > maxLength * 0.9}>
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{charCount}/{maxLength}
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</div>
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{/if}
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</div>
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</div>
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<style>
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.tui-textarea {
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margin: 0.5rem 0;
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font-size: 0.9rem;
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}
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.tui-textarea.inline {
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display: inline-flex;
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flex-direction: column;
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margin: 0 0.5rem 0 0;
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}
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.textarea-label {
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display: flex;
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align-items: center;
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gap: 0.35rem;
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margin-bottom: 0.35rem;
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color: var(--terminal-muted);
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font-size: 0.85rem;
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}
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:global(.label-icon) {
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color: var(--input-color);
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}
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.textarea-wrapper {
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display: flex;
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background: color-mix(in srgb, var(--terminal-bg) 80%, black);
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border: 1px solid var(--terminal-muted);
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border-radius: 4px;
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transition: all 0.15s ease;
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overflow: hidden;
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}
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.tui-textarea.focused .textarea-wrapper {
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border-color: var(--input-color);
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box-shadow: 0 0 0 1px color-mix(in srgb, var(--input-color) 30%, transparent);
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}
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.tui-textarea.error .textarea-wrapper {
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border-color: #f38ba8;
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}
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.tui-textarea.disabled .textarea-wrapper {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.line-numbers {
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display: flex;
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flex-direction: column;
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padding: 0.5rem 0;
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background: color-mix(in srgb, var(--terminal-bg) 60%, black);
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border-right: 1px solid var(--terminal-muted);
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user-select: none;
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}
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.line-num {
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padding: 0 0.5rem;
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color: var(--terminal-muted);
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font-size: 0.8rem;
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line-height: 1.5;
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text-align: right;
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min-width: 2rem;
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}
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textarea {
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flex: 1;
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min-width: 0;
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padding: 0.5rem 0.75rem;
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background: transparent;
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border: none;
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color: var(--terminal-text);
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font-family: inherit;
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font-size: inherit;
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line-height: 1.5;
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resize: vertical;
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outline: none;
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}
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textarea::placeholder {
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color: var(--terminal-muted);
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opacity: 0.6;
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}
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textarea:disabled {
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cursor: not-allowed;
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resize: none;
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}
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.textarea-footer {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-top: 0.35rem;
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}
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.textarea-error {
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display: flex;
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align-items: center;
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gap: 0.35rem;
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color: #f38ba8;
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font-size: 0.8rem;
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}
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.char-count {
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margin-left: auto;
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color: var(--terminal-muted);
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font-size: 0.75rem;
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}
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.char-count.warning {
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color: #f9e2af;
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}
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</style>
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