refac(node): remove with child

lib/nodes.d.ts

@@ -10,8 +10,7 @@ export declare class Frag {
   get children(): Nilable<AnyNode[]>;
   withText(text: string): this;
   addText(text: string): void;
-  withChildren(nodes: AnyNode[]): this;
-  withChild(node: AnyNode): this;
+  withChildren(...nodes: AnyNode[]): this;
   addChild(node: AnyNode): void;
 }
 export declare function E(

lib/nodes.mjs

@@ -2,7 +2,7 @@ import { isNil } from "./lang.mjs";
 export class TextNode extends String {
 }
 export function F(...children) {
-    return new Frag().withChildren(children);
+    return new Frag().withChildren(...children);
 }
 export class Frag {
     #children;
@@ -19,14 +19,10 @@ export class Frag {
     addText(text) {
         this.addChild(new TextNode(text));
     }
-    withChildren(nodes) {
+    withChildren(...nodes) {
         nodes.forEach((n) => this.addChild(n));
         return this;
     }
-    withChild(node) {
-        this.addChild(node);
-        return this;
-    }
     addChild(node) {
         if (isNil(this.#children))
             this.#children = [];
@@ -34,7 +30,7 @@ export class Frag {
     }
 }
 export function E(tagName, attrs, ...children) {
-    return new Elem(tagName).withAttrs(attrs).withChildren(children);
+    return new Elem(tagName).withAttrs(attrs).withChildren(...children);
 }
 export class Elem extends Frag {
     #tagName;

src/nodes.mts

@@ -5,7 +5,7 @@ export type AnyNode = TextNode | Elem | Frag | Nil | false;
 export class TextNode extends String {}
 
 export function F(...children: AnyNode[]): Frag {
-  return new Frag().withChildren(children);
+  return new Frag().withChildren(...children);
 }
 
 export class Frag {
@@ -28,16 +28,11 @@ export class Frag {
     this.addChild(new TextNode(text));
   }
 
-  withChildren(nodes: AnyNode[]): this {
+  withChildren(...nodes: AnyNode[]): this {
     nodes.forEach((n) => this.addChild(n));
     return this;
   }
 
-  withChild(node: AnyNode): this {
-    this.addChild(node);
-    return this;
-  }
-
   addChild(node: AnyNode): void {
     if (isNil(this.#children)) this.#children = [];
     this.#children.push(node);
@@ -49,7 +44,7 @@ export function E(
   attrs: ElemAttrs,
   ...children: AnyNode[]
 ): Elem {
-  return new Elem(tagName).withAttrs(attrs).withChildren(children);
+  return new Elem(tagName).withAttrs(attrs).withChildren(...children);
 }
 
 export type ElemAttrs = Record<string, unknown>;