refactor(ui): share ordinary slider components

src/ui/slider.js

@@ -0,0 +1,32 @@
+/**
+ * Build the shared native slider. Feature owners retain their input/change
+ * listeners, formatting and teardown; this component installs no handlers.
+ * Static sliders use the same gev-quantitative-slider class in their template.
+ * @param {object} options
+ * @param {Document} [options.documentRef] Document that owns the input.
+ * @param {string} [options.className] Additional feature/layout hooks.
+ * @param {number|string} [options.min]
+ * @param {number|string} [options.max]
+ * @param {number|string} [options.step]
+ * @param {number|string} [options.value]
+ * @param {string} [options.ariaLabel] Already translated accessible name.
+ * @returns {HTMLInputElement}
+ */
+export function createSlider({
+  documentRef = globalThis.document,
+  className = '',
+  min,
+  max,
+  step,
+  value,
+  ariaLabel,
+} = {}) {
+  const input = documentRef.createElement('input');
+  input.type = 'range';
+  input.className = `gev-quantitative-slider${className ? ` ${className}` : ''}`;
+  for (const [key, setting] of Object.entries({ min, max, step, value })) {
+    if (setting !== undefined) input[key] = setting;
+  }
+  if (ariaLabel !== undefined) input.setAttribute('aria-label', ariaLabel);
+  return input;
+}