recipes-leemorgan-dev/src/lib/IngredientSearch.svelte

<script>
    import {untrack} from "svelte";
    import {goto} from "$app/navigation";
    import {notify} from "$lib/notifier.svelte.js";

    let {
        startingIngredients,
        autofocus = false,
        compact = false
    } = $props();

    let nameInput;
    let name = $state("");
    let ingredients = $state(untrack(()=>startingIngredients ? [...startingIngredients] : []));

    const addIngredient = (event)=>{
        event.preventDefault();
        const value = name.trim();
        if(!value) return;

        ingredients.push(value);
        name = "";
        nameInput?.focus();
    };

    const searchRecipes = ()=>{
        const pending = name.trim();
        const terms = pending ? [...ingredients, pending] : [...ingredients];
        if(terms.length === 0){
            notify("error", "Add at least one ingredient");
            nameInput?.focus();
            return;
        }

        if(pending){
            ingredients.push(pending);
            name = "";
        }

        const params = new URLSearchParams();
        for(const term of terms) params.append("i", term);
        goto(`/search?${params}`);
    };

    $effect(()=>{
        if(autofocus) nameInput?.focus();
    });
</script>

<form class="composer" class:compact onsubmit={addIngredient}>
    {#if !compact}
        <h1>Ingredients</h1>
        <p class="hint">Add as many as you like</p>
    {/if}

    <div class="row">
        <input
            type="text"
            placeholder="Type an ingredient"
            aria-label="Ingredient name"
            bind:this={nameInput}
            bind:value={name}
        >
        <button class="add" type="submit">Add</button>
    </div>

    {#if ingredients.length}
        <ul>
            {#each ingredients as ingredient, idx}
                <li>
                    <button
                        type="button"
                        onclick={()=>ingredients.splice(idx, 1)}
                        aria-label="Remove {ingredient}"
                    >{ingredient}</button>
                </li>
            {/each}
        </ul>
    {/if}

    <button class="search" type="button" onclick={searchRecipes}>
        <svg width="18" height="18" viewBox="0 0 24 24" fill="none" aria-hidden="true">
            <path d="M17 17L21 21" stroke="currentColor" stroke-width="1.8" stroke-linecap="round"></path>
            <path d="M3 11C3 15.4183 6.58172 19 11 19C13.213 19 15.2161 18.1015 16.6644 16.6493C18.1077 15.2022 19 13.2053 19 11C19 6.58172 15.4183 3 11 3C6.58172 3 3 6.58172 3 11Z" stroke="currentColor" stroke-width="1.8"></path>
        </svg>
        Search recipes
    </button>
</form>

<style>
    .composer{
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        width: min(480px, 100%);
        padding: 1.25rem;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: 12px;
    }

    .composer.compact{
        width: 100%;
        padding: 1rem;
    }

    h1{
        margin: 0;
        font-size: clamp(1.25rem, 1rem + 1.4vw, 1.6rem);
        font-weight: 700;
        line-height: 1.2;
        text-align: center;
        color: var(--color-text);
    }

    .hint{
        margin: 0;
        text-align: center;
        color: var(--color-text-muted);
        font-size: 0.95rem;
        line-height: 1.35;
    }

    .row{
        display: flex;
        align-items: stretch;
        gap: 0.5rem;
        min-width: 0;
    }

    input{
        flex: 1;
        min-width: 0;
        border: 1px solid var(--color-border);
        outline: none;
        background: var(--color-surface-alt);
        color: var(--color-text);
        border-radius: 8px;
        padding: 0.7rem 0.9rem;
        font-size: 1rem;
        font-family: inherit;
    }

    input:focus{
        border-color: var(--color-primary);
    }

    .add{
        flex-shrink: 0;
        margin: 0;
        border: 1px solid var(--color-border);
        outline: none;
        cursor: pointer;
        background: var(--color-surface-alt);
        color: var(--color-text);
        border-radius: 8px;
        padding: 0.7rem 1.1rem;
        font-weight: 600;
        font-size: 1rem;
        font-family: inherit;
        line-height: 1.2;
    }

    .add:hover{
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

    .add:active{
        transform: translateY(1px);
    }

    .search{
        display: inline-flex;
        align-items: center;
        justify-content: center;
        align-self: center;
        gap: 0.45rem;
        margin: 0.5rem 0 0;
        border: none;
        outline: none;
        cursor: pointer;
        background: var(--color-primary);
        color: var(--color-text-on-primary);
        border-radius: 999px;
        padding: 0.7rem 1.35rem;
        font-weight: 600;
        font-size: 1rem;
        font-family: inherit;
        line-height: 1;
        white-space: nowrap;
        transition: background 0.15s ease, transform 0.05s ease;
    }

    .search:hover{
        background: var(--color-primary-hover);
    }

    .search:active{
        transform: translateY(1px);
    }

    .search svg{
        display: block;
        flex-shrink: 0;
    }

    ul{
        display: flex;
        flex-wrap: wrap;
        gap: 0.45rem;
        margin: 0.25rem 0 0;
        padding: 0;
        list-style: none;
    }

    li button{
        display: inline-flex;
        align-items: center;
        max-width: 100%;
        margin: 0;
        border: 1px solid var(--color-border);
        outline: none;
        cursor: pointer;
        background: var(--color-surface-alt);
        color: var(--color-text);
        border-radius: 999px;
        padding: 0.4rem 0.8rem;
        font-size: 0.95rem;
        font-family: inherit;
        line-height: 1.3;
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    li button:hover{
        border-color: var(--color-primary);
    }

    @media (min-width: 640px){
        .composer:not(.compact){
            padding: 1.5rem;
        }
    }

    @media (pointer: coarse){
        .add,
        .search,
        input,
        li button{
            min-height: 44px;
        }
    }
</style>