1 files changed, 41 insertions, 0 deletions
diff --git a/src/lib/h.ts b/src/lib/h.ts
new file mode 100644
index 0000000..1e49f2f
--- /dev/null
+++ b/src/lib/h.ts
@@ -0,0 +1,41 @@
+type Child = Element | Text | string | number
+
+export type Children = Child[]
+
+export function h(
+  tagName: string,
+  attrs: object,
+  ...children: Children
+): Element {
+  const isSvg = tagName === 'svg' || tagName === 'path'
+
+  let elem = isSvg
+    ? document.createElementNS('http://www.w3.org/2000/svg', tagName)
+    : document.createElement(tagName)
+
+  if (isSvg) {
+    Object.entries(attrs).forEach(([key, value]) => {
+      elem.setAttribute(key, value)
+    })
+  } else {
+    elem = Object.assign(elem, attrs)
+  }
+
+  for (const child of children) {
+    if (typeof child === 'number')
+      elem.append(child.toString())
+    else
+      elem.append(child)
+    // if (Array.isArray(child))
+    //   elem.append(...child)
+    // else
+    //   elem.append(child)
+  }
+
+  return elem
+}
+
+export function concatClassName(attrs: any, className: string): object {
+  const existingClassName = 'className' in attrs ? attrs['className'] : undefined
+  return { ...attrs, className: `${className} ${existingClassName}` }
+}