Create JavaScript Minifier

packages/website/src/routes/(tools)/javascript-minifier/+page.svelte

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+<script lang="ts">
+    import Editor from "$lib/Editor.svelte";
+    import { javascript } from "@codemirror/lang-javascript";
+    import SvelteSeo from "svelte-seo";
+    import { init } from "$lib/workers/terser";
+    import { SITE_URL } from '$lib/metadata';
+
+    /** @type {import('./$types').Snapshot<string>} */
+    export const snapshot = {
+        capture: () => value,
+        restore: (v: string) => (value = v),
+    };
+
+    let minify = init().minify
+
+    let value = "";
+    let output = "";
+    async function process(str: string) {
+        let result = await minify(str)
+        if (typeof result.code == "string") {
+            output = result.code
+        } else {
+            console.log(result)
+        }
+    }
+
+    let contentAttributes = {"aria-label": "Javascript editor"}
+
+    $: progress = process(value);
+</script>
+
+<SvelteSeo
+    title="Javascript Minifier"
+    description="Reduce JavaScript code size with this handy online tool. It's easy to minify your JavaScript code."
+    canonical={SITE_URL + "/javascript-minifier"}
+/>
+<h1>Javascript Minifier</h1>
+<Editor
+    {value}
+    on:change={(e) => (value = e.detail)}
+    lang={javascript()}
+    {contentAttributes}
+>
+    <div slot="header" class="code-header">Input</div>
+</Editor>
+
+<h2>Output</h2>
+{#await progress}
+    <p>...waiting</p>
+{:catch error}
+    <p style="color: red">{error.message}</p>
+{/await}
+<label for="output">Minified code</label>
+<textarea name="output" id="output" class="output card" rows="1" value={output} readonly
+></textarea>
+
+
+<style>
+    .code-header {
+        padding: 0.25em 0.5em;
+    }
+    .output {
+        position: relative;
+        z-index: 1;
+        background-color: var(--input-background-color);
+        color: var(--input-color);
+        border: none;
+        font-family: monospace;
+        line-height: 1.4;
+        display: block;
+        /* white-space: pre; */
+        /* word-wrap: normal; */
+        resize: vertical;
+        width: 100%;
+        height: 8ex;
+        padding: 4px 2px 4px 6px;
+        font-size: 1rem;
+        scrollbar-gutter: stable;
+        /* user-select: all; */
+    }
+</style>

packages/website/src/routes/(tools)/javascript-minifier/+page.ts

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+export const prerender =true;