feat: Initialize SvelteKit project, add tsconfig.json, and introduce a new Calculator.svelte component.

This commit is contained in:
Ben
2026-03-06 21:18:58 -08:00
parent e35fdcb118
commit 47042ee5a7
30 changed files with 3887 additions and 0 deletions

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<script lang="ts">
import { solve } from '$lib/engine';
import type { CalculatorDef } from '$lib/data/calculators';
import { page } from '$app/stores';
import { onMount } from 'svelte';
export let config: CalculatorDef;
let val1 = '';
let val2 = '';
let val3 = '';
let activeField: 1 | 2 | 3 = 1;
$: has3 = ['3col', '3col-mul'].includes(config.type) || !!config.labels.in3;
$: isTextInput = ['base', 'text-bin', 'bin-text', 'dec-frac', 'dms-dd', 'dd-dms'].includes(config.type);
// Clear inputs on config (route) change
$: if (config) {
if (!paramsInitializing) clear();
}
let paramsInitializing = true;
function handleInput(source: 1 | 2 | 3) {
activeField = source;
const result = solve(config, source, val1, val2, val3);
if (source !== 1) val1 = result.val1;
if (source !== 2) val2 = result.val2;
if (source !== 3) val3 = result.val3;
}
function swap() {
[val1, val2] = [val2, val1];
handleInput(1);
}
function clear() {
val1 = '';
val2 = '';
val3 = '';
}
onMount(() => {
const params = new URLSearchParams($page.url.search);
if (params.has('v1')) { val1 = params.get('v1')!; handleInput(1); }
else if (params.has('v2')) { val2 = params.get('v2')!; handleInput(2); }
else if (params.has('v3') && has3) { val3 = params.get('v3')!; handleInput(3); }
setTimeout(() => { paramsInitializing = false; }, 0);
});
</script>
<div class="calculator-card">
<div class="calc-header">
<h2>{config.name}</h2>
</div>
<div class="calc-body" class:three-col={has3}>
<div class="input-group">
<label for="calc-in1">{config.labels.in1}</label>
<input
id="calc-in1"
type={isTextInput ? 'text' : 'number'}
bind:value={val1}
on:input={() => handleInput(1)}
placeholder="Enter value"
class:active={activeField === 1}
/>
</div>
{#if !has3}
<div class="swap-col">
<button class="swap-btn" on:click={swap} title="Swap values">
<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
<path d="M7 16l-4-4 4-4M17 8l4 4-4 4M3 12h18" />
</svg>
</button>
</div>
{/if}
<div class="input-group">
<label for="calc-in2">{config.labels.in2}</label>
<input
id="calc-in2"
type={isTextInput ? 'text' : 'number'}
bind:value={val2}
on:input={() => handleInput(2)}
placeholder={has3 ? 'Enter value' : 'Result'}
class:active={activeField === 2}
/>
</div>
{#if has3}
<div class="input-group result-group">
<label for="calc-in3">{config.labels.in3}</label>
<input
id="calc-in3"
type="number"
bind:value={val3}
on:input={() => handleInput(3)}
placeholder="Result"
class:active={activeField === 3}
/>
</div>
{/if}
</div>
<div class="calc-footer">
<button class="clear-btn" on:click={clear}>Clear</button>
{#if config.factor && config.type === 'standard'}
<span class="formula-hint">
1 {config.labels.in1} = {config.factor}{config.offset ? ` + ${config.offset}` : ''} {config.labels.in2}
</span>
{/if}
</div>
</div>
<style>
.calculator-card {
background: var(--card-bg);
border: 1px solid var(--border);
border-radius: 16px;
overflow: hidden;
backdrop-filter: blur(20px);
-webkit-backdrop-filter: blur(20px);
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
transition: box-shadow 0.3s ease;
}
.calculator-card:hover {
box-shadow: 0 12px 48px rgba(0, 0, 0, 0.18);
}
.calc-header {
padding: 1.5rem 2rem 1rem;
border-bottom: 1px solid var(--border);
background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}
.calc-header h2 {
margin: 0;
font-size: 1.25rem;
font-weight: 600;
color: #fff;
letter-spacing: -0.01em;
}
.calc-body {
display: grid;
grid-template-columns: 1fr auto 1fr;
gap: 1rem;
padding: 2rem;
align-items: end;
}
.calc-body.three-col {
grid-template-columns: 1fr 1fr 1fr;
}
.input-group {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.input-group label {
font-size: 0.8rem;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.06em;
color: var(--text-muted);
}
.input-group input {
padding: 0.85rem 1rem;
border: 2px solid var(--border);
border-radius: 10px;
background: var(--input-bg);
color: var(--text);
font-family: 'JetBrains Mono', monospace;
font-size: 1.1rem;
transition: border-color 0.2s, box-shadow 0.2s;
width: 100%;
box-sizing: border-box;
}
.input-group input:focus,
.input-group input.active {
outline: none;
border-color: var(--accent);
box-shadow: 0 0 0 3px var(--accent-glow);
}
.input-group input::placeholder {
color: var(--text-muted);
opacity: 0.5;
}
/* Hide number spinners */
.input-group input[type='number']::-webkit-inner-spin-button,
.input-group input[type='number']::-webkit-outer-spin-button {
-webkit-appearance: none;
margin: 0;
}
.input-group input[type='number'] {
-moz-appearance: textfield;
}
.swap-col {
display: flex;
align-items: center;
justify-content: center;
padding-top: 1.2rem;
}
.swap-btn {
background: var(--accent);
color: #fff;
border: none;
border-radius: 50%;
width: 44px;
height: 44px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: transform 0.2s, background 0.2s;
}
.swap-btn:hover {
background: var(--accent-dark);
transform: rotate(180deg);
}
.calc-footer {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1rem 2rem 1.25rem;
border-top: 1px solid var(--border);
}
.clear-btn {
padding: 0.5rem 1.25rem;
border: 1px solid var(--border);
border-radius: 8px;
background: transparent;
color: var(--text-muted);
font-size: 0.85rem;
cursor: pointer;
transition: background 0.2s, color 0.2s;
}
.clear-btn:hover {
background: var(--accent);
color: #fff;
border-color: var(--accent);
}
.formula-hint {
font-size: 0.78rem;
color: var(--text-muted);
font-family: 'JetBrains Mono', monospace;
}
@media (max-width: 640px) {
.calc-body {
grid-template-columns: 1fr;
gap: 0.75rem;
}
.calc-body.three-col {
grid-template-columns: 1fr;
}
.swap-col {
padding-top: 0;
}
.swap-btn {
transform: rotate(90deg);
}
.swap-btn:hover {
transform: rotate(270deg);
}
}
</style>

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<script lang="ts">
export let icon: string;
export let label: string;
export let href: string;
</script>
<a {href} class="category-card">
<span class="card-icon">{icon}</span>
<span class="card-label">{label}</span>
</a>
<style>
.category-card {
display: flex;
flex-direction: column;
align-items: center;
gap: 0.6rem;
padding: 1.5rem 1rem;
background: var(--card-bg);
border: 1px solid var(--border);
border-radius: 16px;
text-decoration: none;
color: var(--text);
transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
cursor: pointer;
}
.category-card:hover {
transform: translateY(-4px);
box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
border-color: var(--accent);
}
.card-icon {
font-size: 2rem;
line-height: 1;
}
.card-label {
font-size: 0.92rem;
font-weight: 600;
text-align: center;
}
</style>

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<script lang="ts">
import { searchCalculators } from '$lib/data/calculators';
import { goto } from '$app/navigation';
let query = '';
let focused = false;
let selectedIndex = -1;
$: results = query.length >= 2 ? searchCalculators(query).slice(0, 8) : [];
function handleKeydown(e: KeyboardEvent) {
if (e.key === 'ArrowDown') {
e.preventDefault();
selectedIndex = Math.min(selectedIndex + 1, results.length - 1);
} else if (e.key === 'ArrowUp') {
e.preventDefault();
selectedIndex = Math.max(selectedIndex - 1, -1);
} else if (e.key === 'Enter' && selectedIndex >= 0 && results[selectedIndex]) {
e.preventDefault();
navigateTo(results[selectedIndex].slug);
} else if (e.key === 'Escape') {
query = '';
focused = false;
(e.target as HTMLInputElement)?.blur();
}
}
function navigateTo(slug: string) {
goto(`/${slug}`);
query = '';
focused = false;
selectedIndex = -1;
}
</script>
<div class="search-wrapper" class:active={focused && results.length > 0}>
<div class="search-input-wrap">
<svg class="search-icon" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
<circle cx="11" cy="11" r="8" /><path d="m21 21-4.35-4.35" />
</svg>
<input
type="text"
bind:value={query}
on:focus={() => (focused = true)}
on:blur={() => setTimeout(() => (focused = false), 200)}
on:keydown={handleKeydown}
placeholder="Search conversions..."
aria-label="Search conversions"
/>
{#if query}
<button class="clear" on:click={() => { query = ''; selectedIndex = -1; }} aria-label="Clear search"></button>
{/if}
</div>
{#if focused && results.length > 0}
<ul class="results">
{#each results as result, i}
<li>
<button
class="result-item"
class:selected={i === selectedIndex}
on:mousedown|preventDefault={() => navigateTo(result.slug)}
>
<span class="result-name">{result.name}</span>
<span class="result-cat">{result.category}</span>
</button>
</li>
{/each}
</ul>
{/if}
</div>
<style>
.search-wrapper {
position: relative;
width: 100%;
max-width: 420px;
}
.search-input-wrap {
display: flex;
align-items: center;
background: var(--input-bg);
border: 2px solid var(--border);
border-radius: 12px;
padding: 0 0.75rem;
transition: border-color 0.2s, box-shadow 0.2s;
}
.search-wrapper.active .search-input-wrap,
.search-input-wrap:focus-within {
border-color: var(--accent);
box-shadow: 0 0 0 3px var(--accent-glow);
}
.search-icon {
color: var(--text-muted);
flex-shrink: 0;
}
input {
flex: 1;
border: none;
background: none;
padding: 0.65rem 0.5rem;
font-size: 0.95rem;
color: var(--text);
outline: none;
font-family: inherit;
}
input::placeholder {
color: var(--text-muted);
opacity: 0.6;
}
.clear {
background: none;
border: none;
color: var(--text-muted);
cursor: pointer;
font-size: 0.9rem;
padding: 0.25rem;
}
.results {
position: absolute;
top: calc(100% + 4px);
left: 0;
right: 0;
background: var(--card-bg);
border: 1px solid var(--border);
border-radius: 12px;
box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
list-style: none;
margin: 0;
padding: 0.5rem 0;
z-index: 200;
overflow: hidden;
}
.result-item {
display: flex;
align-items: center;
justify-content: space-between;
width: 100%;
padding: 0.6rem 1rem;
border: none;
background: none;
cursor: pointer;
font-size: 0.88rem;
color: var(--text);
text-align: left;
transition: background 0.1s;
}
.result-item:hover,
.result-item.selected {
background: var(--hover-bg);
}
.result-name {
font-weight: 500;
}
.result-cat {
font-size: 0.72rem;
color: var(--text-muted);
text-transform: uppercase;
letter-spacing: 0.05em;
}
</style>

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<script lang="ts">
import { page } from '$app/stores';
import { categories, getCalculatorsByCategory } from '$lib/data/calculators';
let expandedCategory = '';
$: currentPath = $page.url.pathname;
function toggle(cat: string) {
expandedCategory = expandedCategory === cat ? '' : cat;
}
export let open = false;
</script>
<aside class="sidebar" class:open>
<div class="sidebar-header">
<h3>All Converters</h3>
<button class="close-btn" on:click={() => (open = false)} aria-label="Close sidebar"></button>
</div>
<nav>
{#each Object.entries(categories) as [key, meta]}
{@const calcs = getCalculatorsByCategory(key)}
<div class="cat-section">
<button
class="cat-toggle"
class:active={expandedCategory === key || currentPath.includes(`/category/${key}`)}
on:click={() => toggle(key)}
>
<span class="cat-icon">{meta.icon}</span>
<span class="cat-label">{meta.label}</span>
<span class="chevron" class:expanded={expandedCategory === key}></span>
</button>
{#if expandedCategory === key}
<ul class="cat-list" >
{#each calcs as calc}
<li>
<a
href="/{calc.slug}"
class:current={currentPath === `/${calc.slug}`}
>
{calc.name}
</a>
</li>
{/each}
<li>
<a href="/category/{key}" class="view-all">View all {meta.label}</a>
</li>
</ul>
{/if}
</div>
{/each}
</nav>
</aside>
{#if open}
<!-- svelte-ignore a11y_click_events_have_key_events -->
<!-- svelte-ignore a11y_no_static_element_interactions -->
<div class="overlay" on:click={() => (open = false)}></div>
{/if}
<style>
.sidebar {
width: 280px;
height: 100%;
overflow-y: auto;
background: var(--sidebar-bg);
border-right: 1px solid var(--border);
padding: 0;
flex-shrink: 0;
}
.sidebar-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 1.25rem 1rem;
border-bottom: 1px solid var(--border);
}
.sidebar-header h3 {
margin: 0;
font-size: 0.9rem;
font-weight: 700;
text-transform: uppercase;
letter-spacing: 0.08em;
color: var(--accent);
}
.close-btn {
display: none;
background: none;
border: none;
color: var(--text-muted);
font-size: 1.2rem;
cursor: pointer;
padding: 0.25rem;
}
nav {
padding: 0.5rem 0;
}
.cat-toggle {
display: flex;
align-items: center;
width: 100%;
padding: 0.6rem 1rem;
border: none;
background: none;
cursor: pointer;
font-size: 0.88rem;
color: var(--text);
gap: 0.5rem;
transition: background 0.15s;
text-align: left;
}
.cat-toggle:hover {
background: var(--hover-bg);
}
.cat-toggle.active {
color: var(--accent);
font-weight: 600;
}
.cat-icon {
font-size: 1rem;
flex-shrink: 0;
width: 1.4rem;
text-align: center;
}
.cat-label {
flex: 1;
}
.chevron {
font-size: 1.1rem;
font-weight: 700;
color: var(--text-muted);
transition: transform 0.2s;
}
.chevron.expanded {
transform: rotate(90deg);
}
.cat-list {
list-style: none;
margin: 0;
padding: 0 0 0.5rem;
}
.cat-list li a {
display: block;
padding: 0.35rem 1rem 0.35rem 2.8rem;
font-size: 0.82rem;
color: var(--text-muted);
text-decoration: none;
transition: color 0.15s, background 0.15s;
border-radius: 0;
}
.cat-list li a:hover {
color: var(--accent);
background: var(--hover-bg);
}
.cat-list li a.current {
color: var(--accent);
font-weight: 600;
background: var(--accent-glow);
}
.view-all {
font-weight: 600 !important;
color: var(--accent) !important;
}
.overlay {
display: none;
}
@media (max-width: 768px) {
.sidebar {
position: fixed;
top: 0;
left: -300px;
z-index: 100;
height: 100vh;
transition: left 0.3s ease;
box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
}
.sidebar.open {
left: 0;
}
.close-btn {
display: block;
}
.overlay {
display: block;
position: fixed;
inset: 0;
z-index: 99;
background: rgba(0, 0, 0, 0.5);
}
}
</style>