feat: improve api

lib/lang.d.ts

@@ -3,3 +3,5 @@ export declare type Nullable<T> = T | null;
 export declare type Nilable<T> = T | Nil;
 export declare type Nil = null | undefined;
 export declare function isBool(v: unknown): v is boolean;
+export declare function isStr(v: unknown): v is string;
+export declare function intoArr<T>(v: T | T[]): T[];

lib/lang.mjs

@@ -4,3 +4,9 @@ export function isNil(v) {
 export function isBool(v) {
     return typeof v === "boolean";
 }
+export function isStr(v) {
+    return typeof v === "string";
+}
+export function intoArr(v) {
+    return Array.isArray(v) ? v : [v];
+}

lib/nodes.d.ts

@@ -1,26 +1,28 @@
 import { Nil, Nilable } from "./lang.js";
-export declare type AnyNode = TextNode | Elem | Frag | Nil | false;
+export declare function Et(tagName: string, ...texts: string[]): Elem;
-export declare class TextNode extends String {
+export declare function Ea(tagName: string, attrs?: ElemAttrs, children?: AnyNode | AnyNode[]): Elem;
-}
+export declare function E(tagName: string, children: AnyNode | AnyNode[]): Elem;
 export declare function F(...children: AnyNode[]): Frag;
+export declare type AnyNode = TextNode | Elem | Frag | Nil | false;
+export declare type TextNode = string;
 export declare class Frag {
     #private;
     constructor();
     get children(): Nilable<AnyNode[]>;
-    withText(text: string): this;
+    withText(texts: TextNode | TextNode[]): this;
-    addText(text: string): void;
+    addText(texts: TextNode | TextNode[]): void;
-    withChildren(...nodes: AnyNode[]): this;
+    withChildren(nodes: AnyNode | AnyNode[]): this;
+    addChildren(nodes: AnyNode | AnyNode[]): void;
     addChild(node: AnyNode): void;
 }
-export declare function E(tagName: string, attrs: ElemAttrs, ...children: AnyNode[]): Elem;
 export declare type ElemAttrs = Record<string, unknown>;
 export declare class Elem extends Frag {
     #private;
     constructor(tagName: string);
     get tagName(): string;
     get attrs(): Record<string, unknown>;
-    withAttrs(attrs: Record<string, unknown>): Elem;
+    withAttrs(attrs: ElemAttrs): Elem;
-    withAttr(name: string, value: unknown): Elem;
+    addAttrs(attrs: ElemAttrs): void;
     addAttr(name: string, value: unknown): void;
     addChild(node: AnyNode): void;
 }

lib/nodes.mjs

@@ -1,8 +1,20 @@
-import { isNil } from "./lang.mjs";
+import { intoArr, isNil } from "./lang.mjs";
-export class TextNode extends String {
+export function Et(tagName, ...texts) {
+    return new Elem(tagName).withText(texts);
+}
+export function Ea(tagName, attrs, children) {
+    const el = new Elem(tagName);
+    if (attrs)
+        el.addAttrs(attrs);
+    if (children)
+        el.addChildren(children);
+    return el;
+}
+export function E(tagName, children) {
+    return new Elem(tagName).withChildren(children);
 }
 export function F(...children) {
-    return new Frag().withChildren(...children);
+    return new Frag().withChildren(children);
 }
 export class Frag {
     #children;
@@ -12,26 +24,28 @@ export class Frag {
     get children() {
         return this.#children;
     }
-    withText(text) {
+    withText(texts) {
-        this.addText(text);
+        this.addText(texts);
         return this;
     }
-    addText(text) {
+    addText(texts) {
-        this.addChild(new TextNode(text));
+        this.addChildren(intoArr(texts)
+            .map((t) => t.trim())
+            .join(" "));
     }
-    withChildren(...nodes) {
+    withChildren(nodes) {
-        nodes.forEach((n) => this.addChild(n));
+        this.addChildren(nodes);
         return this;
     }
+    addChildren(nodes) {
+        intoArr(nodes).forEach((n) => this.addChild(n));
+    }
     addChild(node) {
         if (isNil(this.#children))
             this.#children = [];
         this.#children.push(node);
     }
 }
-export function E(tagName, attrs, ...children) {
-    return new Elem(tagName).withAttrs(attrs).withChildren(...children);
-}
 export class Elem extends Frag {
     #tagName;
     #attrs;
@@ -49,12 +63,11 @@ export class Elem extends Frag {
         return this.#attrs;
     }
     withAttrs(attrs) {
-        Object.entries(attrs).forEach(([key, value]) => this.addAttr(key, value));
+        this.addAttrs(attrs);
         return this;
     }
-    withAttr(name, value) {
+    addAttrs(attrs) {
-        this.addAttr(name, value);
+        Object.entries(attrs).forEach(([key, value]) => this.addAttr(key, value));
-        return this;
     }
     addAttr(name, value) {
         this.#attrs[name] = value;

lib/str.mjs

@@ -1,16 +1,12 @@
-import { isBool, isNil } from "./lang.mjs";
+import { isBool, isNil, isStr } from "./lang.mjs";
-import { Elem, TextNode } from "./nodes.mjs";
+import { Elem } from "./nodes.mjs";
 export class StrRenderer {
     render(node) {
         return encodeNode(node);
     }
 }
 function encodeAnyNode(node) {
-    return !node
+    return !node ? null : isStr(node) ? encodeTextNode(node) : encodeNode(node);
-        ? null
-        : node instanceof TextNode
-            ? encodeTextNode(node)
-            : encodeNode(node);
 }
 function encodeTextNode(node) {
     return String(node);

src/lang.mts

@@ -11,3 +11,11 @@ export type Nil = null | undefined;
 export function isBool(v: unknown): v is boolean {
   return typeof v === "boolean";
 }
+
+export function isStr(v: unknown): v is string {
+  return typeof v === "string";
+}
+
+export function intoArr<T>(v: T | T[]): T[] {
+  return Array.isArray(v) ? v : [v];
+}

src/nodes.mts

@@ -1,13 +1,31 @@
-import { isNil, Nil, Nilable } from "./lang.mjs";
+import { intoArr, isNil, Nil, Nilable } from "./lang.mjs";
 
-export type AnyNode = TextNode | Elem | Frag | Nil | false;
+export function Et(tagName: string, ...texts: string[]): Elem {
+  return new Elem(tagName).withText(texts);
+}
 
-export class TextNode extends String {}
+export function Ea(
+  tagName: string,
+  attrs?: ElemAttrs,
+  children?: AnyNode | AnyNode[]
+): Elem {
+  const el = new Elem(tagName);
+  if (attrs) el.addAttrs(attrs);
+  if (children) el.addChildren(children);
+  return el;
+}
+
+export function E(tagName: string, children: AnyNode | AnyNode[]): Elem {
+  return new Elem(tagName).withChildren(children);
+}
 
 export function F(...children: AnyNode[]): Frag {
-  return new Frag().withChildren(...children);
+  return new Frag().withChildren(children);
 }
 
+export type AnyNode = TextNode | Elem | Frag | Nil | false;
+export type TextNode = string;
+
 export class Frag {
   #children: Nilable<AnyNode[]>;
 
@@ -19,34 +37,34 @@ export class Frag {
     return this.#children;
   }
 
-  withText(text: string): this {
+  withText(texts: TextNode | TextNode[]): this {
-    this.addText(text);
+    this.addText(texts);
     return this;
   }
 
-  addText(text: string): void {
+  addText(texts: TextNode | TextNode[]): void {
-    this.addChild(new TextNode(text));
+    this.addChildren(
+      intoArr(texts)
+        .map((t) => t.trim())
+        .join(" ")
+    );
   }
 
-  withChildren(...nodes: AnyNode[]): this {
+  withChildren(nodes: AnyNode | AnyNode[]): this {
-    nodes.forEach((n) => this.addChild(n));
+    this.addChildren(nodes);
     return this;
   }
 
+  addChildren(nodes: AnyNode | AnyNode[]): void {
+    intoArr(nodes).forEach((n) => this.addChild(n));
+  }
+
   addChild(node: AnyNode): void {
     if (isNil(this.#children)) this.#children = [];
     this.#children.push(node);
   }
 }
 
-export function E(
-  tagName: string,
-  attrs: ElemAttrs,
-  ...children: AnyNode[]
-): Elem {
-  return new Elem(tagName).withAttrs(attrs).withChildren(...children);
-}
-
 export type ElemAttrs = Record<string, unknown>;
 
 export class Elem extends Frag {
@@ -69,14 +87,13 @@ export class Elem extends Frag {
     return this.#attrs;
   }
 
-  withAttrs(attrs: Record<string, unknown>): Elem {
+  withAttrs(attrs: ElemAttrs): Elem {
-    Object.entries(attrs).forEach(([key, value]) => this.addAttr(key, value));
+    this.addAttrs(attrs);
     return this;
   }
 
-  withAttr(name: string, value: unknown): Elem {
+  addAttrs(attrs: ElemAttrs): void {
-    this.addAttr(name, value);
+    Object.entries(attrs).forEach(([key, value]) => this.addAttr(key, value));
-    return this;
   }
 
   addAttr(name: string, value: unknown): void {

src/str.mts

@@ -1,5 +1,5 @@
 import { Renderer } from "./types.mjs";
-import { isBool, isNil, Nilable, Nullable } from "./lang.mjs";
+import { isBool, isNil, isStr, Nilable, Nullable } from "./lang.mjs";
 import { AnyNode, Elem, ElemAttrs, Frag, TextNode } from "./nodes.mjs";
 
 export class StrRenderer implements Renderer<string> {
@@ -9,11 +9,7 @@ export class StrRenderer implements Renderer<string> {
 }
 
 function encodeAnyNode(node: AnyNode): Nullable<string> {
-  return !node
+  return !node ? null : isStr(node) ? encodeTextNode(node) : encodeNode(node);
-    ? null
-    : node instanceof TextNode
-    ? encodeTextNode(node)
-    : encodeNode(node);
 }
 
 function encodeTextNode(node: TextNode): string {