update

src/elem.js

@@ -73,6 +73,8 @@ export class Component {
     return out
   }
 
+  /* ------------------------------ */
+
   g(...args) {
     let el = this.#create('g')
     if (args.length) {
@@ -103,6 +105,14 @@ export class Component {
     return this.#create('foreignObject', { x, y, width, height }, text)
   }
 
+  line(x1, y1, x2, y2, attr = {}) {
+    return this.#create('line', { x1, y1, x2, y2, ...attr })
+  }
+
+  polyline(...points) {
+    return this.#create('polyline', { points })
+  }
+
   path(d) {
     return this.#create('path', { d })
   }