move repl web component to new repl package

+ use it in /vanilla + /vanilla/mini

packages/repl/repl-component.mjs

@@ -0,0 +1,98 @@
+import { getDrawContext, silence } from '@strudel.cycles/core';
+import { transpiler } from '@strudel.cycles/transpiler';
+import { getAudioContext, webaudioOutput } from '@strudel.cycles/webaudio';
+import { StrudelMirror } from '@strudel/codemirror';
+import { prebake } from './prebake.mjs';
+
+function camelToKebab(camelCaseString) {
+  return camelCaseString.replace(/([a-z])([A-Z])/g, '$1-$2').toLowerCase();
+}
+function kebabToCamel(kebabCaseString) {
+  return kebabCaseString.replace(/-([a-z])/g, function (match, group) {
+    return group.toUpperCase();
+  });
+}
+
+const initialSettings = {
+  keybindings: 'strudelTheme',
+  isLineNumbersDisplayed: true,
+  isActiveLineHighlighted: true,
+  isAutoCompletionEnabled: false,
+  isPatternHighlightingEnabled: true,
+  isFlashEnabled: true,
+  isTooltipEnabled: false,
+  isLineWrappingEnabled: false,
+  theme: 'teletext',
+  fontFamily: 'monospace',
+  fontSize: 18,
+};
+const settingAttributes = Object.keys(initialSettings).map(camelToKebab);
+const parseAttribute = (name, value) => {
+  const camel = kebabToCamel(name);
+  const type = typeof initialSettings[camel];
+  // console.log('type', type, name);
+  if (type === 'boolean') {
+    return ['1', 'true'].includes(value);
+  }
+  if (type === 'number') {
+    return Number(value);
+  }
+  return value;
+};
+// console.log('attributes', settingAttributes);
+class StrudelRepl extends HTMLElement {
+  static observedAttributes = ['code', ...settingAttributes];
+  settings = initialSettings;
+  editor = null;
+  constructor() {
+    super();
+  }
+  onReady(listener) {
+    this.readyListener = listener;
+  }
+  attributeChangedCallback(name, oldValue, newValue) {
+    if (name === 'code') {
+      this.code = newValue;
+      this.editor?.setCode(initialCode);
+    } else if (settingAttributes.includes(name)) {
+      const camel = kebabToCamel(name);
+      this.settings[camel] = parseAttribute(name, newValue);
+      // console.log('name', name, newValue, camel, this.settings[camel]);
+      this.editor?.updateSettings(this.settings);
+    }
+  }
+  connectedCallback() {
+    const drawContext = getDrawContext();
+    const drawTime = [-2, 2];
+    this.editor = new StrudelMirror({
+      defaultOutput: webaudioOutput,
+      getTime: () => getAudioContext().currentTime,
+      transpiler,
+      root: this,
+      initialCode: '// LOADING',
+      pattern: silence,
+      settings: this.settings,
+      drawTime,
+      onDraw: (haps, time, frame, painters) => {
+        painters.length && drawContext.clearRect(0, 0, drawContext.canvas.width * 2, drawContext.canvas.height * 2);
+        painters?.forEach((painter) => {
+          // ctx time haps drawTime paintOptions
+          painter(drawContext, time, haps, drawTime, { clear: false });
+        });
+      },
+      prebake,
+      afterEval: ({ code }) => {
+        // window.location.hash = '#' + code2hash(code);
+      },
+    });
+    // init settings
+    this.editor.updateSettings(this.settings);
+    this.editor.setCode(this.code);
+    this.readyListener?.(this);
+    // settingsMap.listen((settings, key) => editor.changeSetting(key, settings[key]));
+    // onEvent('strudel-toggle-play', () => this.editor.toggle());
+  }
+  // Element functionality written in here
+}
+
+customElements.define('strudel-editor', StrudelRepl);