@manufosela/rich-inputfile
Enhanced file input web component with preview and validation
Demo code (CodePen-ready HTML, CSS, JS)
HTML (html)
<h1>Rich Inputfile</h1>
<p class="subtitle">Enhanced file input with drag and drop, previews, and validation.</p>
<div class="demo-links">
<a href="https://manufosela.dev/ui-components/">← Back to components</a>
<a href="https://github.com/manufosela/ui-components/tree/main/packages/rich-inputfile" target="_blank" rel="noopener">GitHub Repo</a>
<a href="playground.html">Playground</a>
<a href="https://www.npmjs.com/package/@manufosela/rich-inputfile" target="_blank" rel="noopener">npm</a>
</div>
<div class="demo-theme-toggle">
<theme-toggle theme="dark"></theme-toggle>
</div>
<div class="demo-section">
<h2>Basic Usage</h2>
<p>Drag and drop or click to select a file.</p>
<rich-inputfile id="basic" label="Upload File"></rich-inputfile>
<div class="output" id="basicOutput">Select a file...</div>
<div class="code-block"><rich-inputfile label="Upload File"></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>Image Upload with Preview</h2>
<p>Images automatically show a thumbnail preview.</p>
<rich-inputfile
id="image"
label="Upload Image"
allowed-extensions="jpg,jpeg,png,gif,webp"
></rich-inputfile>
<div class="code-block"><rich-inputfile
label="Upload Image"
allowed-extensions="jpg,jpeg,png,gif,webp"
></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>File Type Restriction</h2>
<p>Only allow specific file types.</p>
<rich-inputfile
id="docs"
label="Upload Document"
allowed-extensions="pdf,doc,docx"
></rich-inputfile>
<div class="output" id="docsOutput">Only PDF and Word documents allowed</div>
<div class="code-block"><rich-inputfile
label="Upload Document"
allowed-extensions="pdf,doc,docx"
></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>Size Limit</h2>
<p>Restrict maximum file size.</p>
<rich-inputfile
id="sized"
label="Upload (max 1MB)"
max-size="1048576"
></rich-inputfile>
<div class="output" id="sizedOutput">Maximum 1MB file size</div>
<div class="code-block"><rich-inputfile
label="Upload (max 1MB)"
max-size="1048576"
></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>No Preview</h2>
<p>Disable thumbnail preview for images.</p>
<rich-inputfile
id="nopreview"
label="Upload File (no preview)"
.showPreview="${false}"
></rich-inputfile>
<div class="code-block"><rich-inputfile
label="Upload File (no preview)"
show-preview="false"
></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>Disabled State</h2>
<p>Disable the file input.</p>
<rich-inputfile
id="disabled"
label="Upload (disabled)"
disabled
></rich-inputfile>
<div class="code-block"><rich-inputfile label="Upload (disabled)" disabled></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>No Dropzone</h2>
<p>Click-only mode without drag and drop.</p>
<rich-inputfile
id="nodrop"
label="Click to Upload"
.dropzone="${false}"
></rich-inputfile>
<div class="code-block"><rich-inputfile
label="Click to Upload"
dropzone="false"
></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>Custom Preview Size</h2>
<p>Adjust the thumbnail preview size.</p>
<rich-inputfile
id="bigpreview"
label="Large Preview"
allowed-extensions="jpg,jpeg,png,gif"
preview-size="100"
></rich-inputfile>
<div class="code-block"><rich-inputfile
label="Large Preview"
preview-size="100"
></rich-inputfile></div>
</div>
<div class="demo-section">
<h2>Programmatic Control</h2>
<p>Control the component via JavaScript.</p>
<rich-inputfile id="programmatic" label="Controlled Input"></rich-inputfile>
<div style="margin-top: 1rem;">
<button onclick="clearFile()">Clear File</button>
<button onclick="getFileInfo()">Get File Info</button>
</div>
<div class="output" id="programmaticOutput">Use buttons to interact</div>
<div class="code-block">// Get file
const file = inputfile.getFile();
// Get as ArrayBuffer
const buffer = await inputfile.getFileArrayBuffer();
// Get as Data URL
const dataUrl = await inputfile.getFileDataURL();
// Clear file
inputfile.clear();</div>
</div> CSS (css)
:root {
--bg: #0c0f14;
--bg-elevated: #141923;
--bg-panel: #171d28;
--border: #262f3f;
--text: #f4f6fb;
--text-muted: #a7b0c2;
--text-dim: #7d879b;
--accent: #ff8a3d;
--accent-strong: #ff6a00;
--accent-soft: rgba(255, 138, 61, 0.16);
--shadow: 0 20px 50px rgba(5, 8, 14, 0.45);
--radius-lg: 22px;
--radius-md: 14px;
--radius-sm: 10px;
--max-width: 1160px;
}
h1 { color: #1d1d1f; }
.demo-section {
background: white;
padding: 2rem;
border-radius: 12px;
margin-bottom: 2rem;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
h2 { margin-top: 0; color: #1d1d1f; }
p { color: #86868b; line-height: 1.6; }
a { color: #3b82f6; }
.code-block {
background: #1d1d1f;
color: #f5f5f7;
padding: 1rem;
border-radius: 8px;
font-family: monospace;
font-size: 0.8rem;
margin-top: 1rem;
overflow-x: auto;
white-space: pre;
}
.output {
margin-top: 1rem;
padding: 1rem;
background: #f5f5f7;
border-radius: 8px;
font-family: monospace;
font-size: 0.85rem;
}
rich-inputfile {
margin-bottom: 1rem;
}
footer {
text-align: center;
margin-top: 3rem;
padding-top: 2rem;
border-top: 1px solid #d2d2d7;
color: #86868b;
font-size: 0.9rem;
}
footer a { color: #1d1d1f; text-decoration: none; }
footer a:hover { text-decoration: underline; }
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;600;700&display=swap');
:root {
--bg: #f5f5f7;
--bg-2: #ffffff;
--bg-spot-1: #f8e9d0;
--bg-spot-2: #e8eef8;
--card: #ffffff;
--text: #1d1d1f;
--muted: #6b7280;
--line: #e5e7eb;
--accent: #ffb000;
--accent-2: #00a7d6;
--accent-soft: rgba(255, 176, 0, 0.18);
--surface-1: #f3f4f6;
--surface-2: #eef2f7;
--code-bg: #111827;
--code-text: #f9fafb;
--panel-bg: rgba(255, 255, 255, 0.85);
--overlay-bg: rgba(255, 255, 255, 0.98);
}
:root.dark {
--bg: #0f1117;
--bg-2: #151a26;
--bg-spot-1: #1a2136;
--bg-spot-2: #1d1b34;
--card: #1c2233;
--text: #f3f6ff;
--muted: #b8c0d9;
--line: #2b3247;
--accent: #ffb000;
--accent-2: #00d0ff;
--accent-soft: rgba(255, 176, 0, 0.25);
--surface-1: #0b0f1a;
--surface-2: #263046;
--code-bg: #0b0f1a;
--code-text: #d6d9e6;
--panel-bg: rgba(28, 34, 51, 0.8);
--overlay-bg: rgba(15, 17, 23, 0.98);
}
* {
box-sizing: border-box;
}
a {
color: var(--accent);
}
h1 {
color: var(--accent);
}
.demo-links {
margin-top: 12px;
display: flex;
gap: 12px;
justify-content: center;
flex-wrap: wrap;
}
.demo-links a {
border: 1px solid var(--line);
border-radius: 999px;
padding: 6px 12px;
color: var(--muted);
text-decoration: none;
font-size: 0.85rem;
transition: border-color 0.2s ease, color 0.2s ease;
}
.demo-links a:hover {
color: var(--text);
border-color: var(--accent-2);
}
.demo-theme-toggle {
margin-top: 12px;
display: flex;
justify-content: center;
}
header {
border-bottom: 1px solid var(--line);
}
.demo-card,
.section,
.demo-section,
.panel,
.card {
background: var(--card);
border: 1px solid var(--line);
border-radius: 16px;
color: var(--text);
box-shadow: 0 18px 36px rgba(6, 10, 24, 0.45);
}
.demo-card {
display: flex;
flex-direction: column;
gap: 12px;
}
.demo-card .code-block {
margin-top: auto;
}
.demo-grid,
.grid {
align-items: stretch;
}
.demo-card h2,
.demo-card h3,
.section h2,
.demo-section h2,
.panel-header {
color: var(--text);
}
.label,
.stat-label,
.category-title,
.subtitle,
.hint,
.note {
color: var(--muted);
}
.info-item,
.capability,
.preference,
.option-group,
.output,
.current-url,
.event-log,
.result-card,
.log,
.stat {
background: var(--surface-1);
border: 1px solid var(--line);
color: var(--text);
}
.info-item .label,
.capability .name {
color: var(--muted);
}
.panel-header,
.options,
.topbar,
.top-links {
background: var(--panel-bg);
border-bottom: 1px solid var(--line);
color: var(--text);
}
.subtitle,
.hint,
.note,
.demo-card p,
.section p,
.demo-section p {
color: var(--muted);
}
.code-block,
pre,
code {
background: var(--code-bg);
color: var(--code-text);
border-radius: 8px;
}
.value-display,
.output,
.result,
.demo-output {
background: var(--surface-1);
border: 1px solid var(--line);
color: var(--text);
}
button {
background: linear-gradient(120deg, var(--accent), #ff6a00);
color: #111;
border: none;
}
button:hover {
filter: brightness(1.05);
}
input,
select,
textarea {
background: var(--surface-1);
color: var(--text);
border: 1px solid var(--line);
}
footer {
color: var(--muted);
}
footer a {
color: var(--text);
}
arc-slider {
--arc-slider-text-color: var(--text);
--arc-slider-value-bg: var(--surface-1);
--arc-slider-value-border: var(--line);
--arc-slider-value-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
}
rich-select {
--caller-background: var(--card);
--caller-color: var(--text);
--caller-border: 1px solid var(--line);
--caller-hover-background: var(--surface-2);
--caller-hover-color: var(--text);
--caller-hover-border-color: var(--line);
--caller-focus-border-color: var(--accent-2);
--caller-focus-shadow: 0 0 0 3px rgba(0, 208, 255, 0.25);
--caller-disabled-background: var(--surface-1);
--caller-disabled-color: #6b7280;
--caller-disabled-border-color: var(--line);
--arrow-color: var(--muted);
--selectOptions-background: var(--card);
--selectOptions-border: 1px solid var(--line);
--selectOptions-shadow: 0 10px 22px rgba(0, 0, 0, 0.45);
--input-background: var(--surface-1);
--input-border: 1px solid var(--line);
--input-color: var(--text);
--input-placeholder-color: #6b7280;
--option-color: var(--text);
--option-hover-background: var(--surface-2);
--option-hover-color: var(--text);
--option-active-background: var(--accent);
--option-active-color: #111;
--option-selected-background: var(--accent-soft);
--option-selected-color: var(--text);
--option-disabled-background: var(--surface-1);
--option-disabled-color: #6b7280;
}
multi-select {
--multi-select-bg: var(--card);
--multi-select-border-color: var(--line);
--multi-select-border-hover: var(--line);
--multi-select-border-focus: var(--accent-2);
--multi-select-text-color: var(--text);
--multi-select-placeholder-color: #6b7280;
--multi-select-arrow-color: var(--muted);
--multi-select-dropdown-bg: var(--card);
--multi-select-shadow: 0 10px 22px rgba(0, 0, 0, 0.45);
--multi-select-option-hover-bg: var(--surface-2);
--multi-select-option-selected-bg: var(--accent-soft);
}
tab-nav {
--tab-bg: var(--card);
--tab-border: var(--line);
--tab-text: var(--muted);
--tab-active-text: var(--text);
--tab-hover-bg: var(--surface-2);
--tab-active-border: var(--accent);
--tab-disabled: #9ca3af;
}
slider-underline {
--slider-track: var(--surface-2);
--slider-fill: var(--accent);
--slider-thumb: var(--accent);
--slider-label-color: var(--text);
--slider-tick-color: #9ca3af;
--slider-tick-value-color: var(--muted);
}
header-nav {
--header-bg: var(--card);
--header-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
--header-link-color: var(--text);
--header-link-hover: var(--accent);
--header-mobile-hover-bg: var(--surface-2);
}
calendar-inline {
--calendar-bg: var(--card);
--calendar-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
--calendar-text: var(--text);
--calendar-accent: var(--accent);
--calendar-today: var(--accent-soft);
--calendar-selected: var(--accent);
--calendar-hover-bg: var(--surface-2);
--calendar-muted: var(--muted);
--calendar-muted-strong: #9ca3af;
--calendar-other-month: #9ca3af;
--calendar-disabled: #cbd5e1;
--calendar-holiday: #ef4444;
--calendar-holiday-selected: #111;
}
marked-calendar {
--calendar-bg: var(--card);
--calendar-border: var(--line);
--calendar-title: var(--text);
--calendar-muted: var(--muted);
--calendar-surface: var(--surface-1);
--calendar-accent: var(--accent);
--calendar-accent-hover: #ff7a1a;
--calendar-border-strong: var(--line);
--calendar-contrast: #111;
--calendar-nav-bg: var(--surface-1);
--calendar-nav-hover: var(--surface-2);
}
radar-chart {
--radar-bg: var(--card);
--radar-grid-color: var(--line);
--radar-axis-color: #94a3b8;
--radar-label-color: var(--muted);
}
multi-carousel {
--carousel-bg: var(--card);
--carousel-arrow-bg: var(--surface-1);
--carousel-arrow-color: var(--text);
--carousel-arrow-hover-bg: var(--surface-2);
--carousel-arrow-hover-color: var(--text);
--carousel-nav-bg: var(--surface-1);
--carousel-nav-color: var(--muted);
--carousel-nav-hover: #9ca3af;
--carousel-nav-active: var(--accent);
--carousel-focus-color: var(--accent-2);
}
nav-list {
--nav-list-bg: var(--card);
--nav-list-border-color: var(--line);
--nav-list-selected-border-color: var(--accent);
--nav-list-selected-bg: var(--surface-2);
--nav-list-hover-bg: var(--surface-2);
--nav-list-selected-color: var(--text);
}
theme-toggle {
--theme-toggle-bg: var(--card);
--theme-toggle-icon-color: var(--muted);
--theme-toggle-hover-bg: var(--surface-2);
--theme-toggle-active-bg: var(--surface-1);
--theme-toggle-active-color: var(--text);
--theme-toggle-dark-bg: var(--card);
--theme-toggle-dark-border: var(--line);
--theme-toggle-dark-icon-color: var(--muted);
--theme-toggle-dark-active-bg: var(--surface-1);
--theme-toggle-dark-active-color: var(--text);
--theme-toggle-dark-hover-bg: var(--surface-2);
}
qr-code {
--qr-fg: #0f1117;
--qr-bg: #f3f6ff;
}
click-clock {
--clock-color: var(--text);
--clock-bg: var(--card);
--clock-muted-color: var(--muted);
}
historical-line {
--title-color: var(--text);
--border-color: var(--line);
--year-bg: var(--surface-1);
}
circle-steps {
--steps-muted: var(--muted);
--steps-text: var(--text);
--steps-pending: var(--surface-2);
}
rich-inputfile {
--input-border: var(--line);
--input-border-focus: var(--accent-2);
--input-bg: var(--card);
--input-label-color: var(--text);
--input-hover-bg: var(--surface-2);
--input-drag-bg: var(--accent-soft);
--input-disabled-bg: var(--surface-1);
--input-success-border: #22c55e;
--input-success-bg: rgba(34, 197, 94, 0.12);
--input-icon-color: #94a3b8;
--input-text-color: var(--muted);
--input-accent-color: var(--accent-2);
--input-file-bg: var(--surface-1);
--input-preview-bg: var(--surface-1);
--input-file-name-color: var(--text);
--input-file-size-color: var(--muted);
--input-error-color: #ef4444;
--input-hint-color: var(--muted);
}
data-card {
--data-card-bg: var(--card);
--data-card-border-color: var(--line);
--data-card-title-color: var(--text);
--data-card-desc-color: var(--muted);
--data-card-info-bg: var(--overlay-bg);
--data-card-info-close-bg: var(--surface-2);
--data-card-info-close-color: var(--text);
--data-card-info-close-hover-bg: var(--surface-1);
--data-card-info-text: var(--text);
--data-card-loading-color: var(--muted);
--data-card-info-trigger-hover: var(--accent);
}
app-modal {
--app-modal-bg: var(--card);
--app-modal-body-color: var(--text);
--app-modal-standalone-bg: rgba(255, 176, 0, 0.35);
--app-modal-standalone-color: #111;
--app-modal-standalone-hover-bg: rgba(255, 176, 0, 0.6);
} JS (js)
document.querySelectorAll('.footer-year').forEach(el => el.textContent = new Date().getFullYear());
import "https://esm.sh/@manufosela/rich-inputfile";
// Basic
const basic = document.getElementById('basic');
const basicOutput = document.getElementById('basicOutput');
basic.addEventListener('file-change', (e) => {
basicOutput.textContent = `Selected: ${e.detail.name} (${(e.detail.size / 1024).toFixed(1)} KB)`;
});
basic.addEventListener('file-clear', () => {
basicOutput.textContent = 'File cleared';
});
// Docs
const docs = document.getElementById('docs');
const docsOutput = document.getElementById('docsOutput');
docs.addEventListener('file-change', (e) => {
docsOutput.textContent = `Document: ${e.detail.name}`;
});
docs.addEventListener('file-error', (e) => {
docsOutput.textContent = `Error: ${e.detail.message}`;
});
// Sized
const sized = document.getElementById('sized');
const sizedOutput = document.getElementById('sizedOutput');
sized.addEventListener('file-change', (e) => {
sizedOutput.textContent = `File: ${e.detail.name} (${(e.detail.size / 1024).toFixed(1)} KB)`;
});
sized.addEventListener('file-error', (e) => {
sizedOutput.textContent = `Error: ${e.detail.message}`;
});
// No preview
const nopreview = document.getElementById('nopreview');
nopreview.showPreview = false;
// No dropzone
const nodrop = document.getElementById('nodrop');
nodrop.dropzone = false;
// Programmatic
const programmatic = document.getElementById('programmatic');
const programmaticOutput = document.getElementById('programmaticOutput');
programmatic.addEventListener('file-change', (e) => {
programmaticOutput.textContent = `Selected: ${e.detail.name}`;
});
window.clearFile = () => {
programmatic.clear();
programmaticOutput.textContent = 'File cleared programmatically';
};
window.getFileInfo = async () => {
const file = programmatic.getFile();
if (file) {
programmaticOutput.textContent = `Name: ${file.name}, Type: ${file.type}, Size: ${file.size} bytes`;
} else {
programmaticOutput.textContent = 'No file selected';
}
};
import '../../theme-toggle/src/theme-toggle.js';
const root = document.documentElement;
root.classList.add('dark');
const toggle = document.querySelector('theme-toggle');
if (toggle) {
toggle.theme = root.classList.contains('dark') ? 'dark' : 'light';
toggle.addEventListener('theme-changed', (event) => {
const theme = event.detail?.theme;
if (!theme) return;
root.classList.toggle('dark', theme === 'dark');
});
}