release: WRNexusJS 0.2.39

.publish/ai/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ai",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "Zero-dependency Claude (Anthropic) client for WrNexus apps.",
   "license": "MIT",

.publish/authz/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/authz",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/authz — part of the WrNexus framework.",
   "license": "MIT",

.publish/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/cli",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/cli — part of the WrNexus framework.",
   "license": "MIT",
@@ -28,16 +28,16 @@
     "wrnexus": "./dist/index.js"
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34",
-    "@wrnexus/router": "^0.2.34",
-    "@wrnexus/csr": "^0.2.34",
-    "@wrnexus/compiler": "^0.2.34",
-    "@wrnexus/styles": "^0.2.34",
-    "@wrnexus/dev-server": "^0.2.34",
-    "@wrnexus/ui": "^0.2.34",
-    "@wrnexus/validation": "^0.2.34",
-    "@wrnexus/i18n": "^0.2.34",
-    "@wrnexus/db": "^0.2.34"
+    "@wrnexus/core": "^0.2.39",
+    "@wrnexus/router": "^0.2.39",
+    "@wrnexus/csr": "^0.2.39",
+    "@wrnexus/compiler": "^0.2.39",
+    "@wrnexus/styles": "^0.2.39",
+    "@wrnexus/dev-server": "^0.2.39",
+    "@wrnexus/ui": "^0.2.39",
+    "@wrnexus/validation": "^0.2.39",
+    "@wrnexus/i18n": "^0.2.39",
+    "@wrnexus/db": "^0.2.39"
   },
   "files": [
     "dist"

.publish/compiler/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/compiler",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/compiler — part of the WrNexus framework.",
   "license": "MIT",

.publish/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/core",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/core — part of the WrNexus framework.",
   "license": "MIT",

.publish/csr/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/csr",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/csr — part of the WrNexus framework.",
   "license": "MIT",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34"
+    "@wrnexus/core": "^0.2.39"
   },
   "files": [
     "dist"

.publish/db/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/db",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/db — part of the WrNexus framework.",
   "license": "MIT",

.publish/dev-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/dev-server",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/dev-server — part of the WrNexus framework.",
   "license": "MIT",
@@ -25,18 +25,18 @@
     }
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34",
-    "@wrnexus/router": "^0.2.34",
-    "@wrnexus/ssr": "^0.2.34",
-    "@wrnexus/csr": "^0.2.34",
-    "@wrnexus/compiler": "^0.2.34",
-    "@wrnexus/styles": "^0.2.34",
-    "@wrnexus/ui": "^0.2.34",
-    "@wrnexus/validation": "^0.2.34",
-    "@wrnexus/i18n": "^0.2.34",
-    "@wrnexus/db": "^0.2.34",
-    "@wrnexus/pubsub": "^0.2.34",
-    "@wrnexus/uploader": "^0.2.34"
+    "@wrnexus/core": "^0.2.39",
+    "@wrnexus/router": "^0.2.39",
+    "@wrnexus/ssr": "^0.2.39",
+    "@wrnexus/csr": "^0.2.39",
+    "@wrnexus/compiler": "^0.2.39",
+    "@wrnexus/styles": "^0.2.39",
+    "@wrnexus/ui": "^0.2.39",
+    "@wrnexus/validation": "^0.2.39",
+    "@wrnexus/i18n": "^0.2.39",
+    "@wrnexus/db": "^0.2.39",
+    "@wrnexus/pubsub": "^0.2.39",
+    "@wrnexus/uploader": "^0.2.39"
   },
   "files": [
     "dist"

.publish/encryption/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/encryption",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/encryption — part of the WrNexus framework.",
   "license": "MIT",

.publish/helpers/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/helpers",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "Safe convenience helpers for WrNexus request contexts and common application flows.",
   "license": "MIT",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34"
+    "@wrnexus/core": "^0.2.39"
   },
   "files": [
     "dist"

.publish/i18n/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/i18n",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/i18n — part of the WrNexus framework.",
   "license": "MIT",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34"
+    "@wrnexus/core": "^0.2.39"
   },
   "files": [
     "dist"

.publish/jwt/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/jwt",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/jwt — part of the WrNexus framework.",
   "license": "MIT",

.publish/mobile/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/mobile",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/mobile — part of the WrNexus framework.",
   "license": "MIT",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "@wrnexus/native": "^0.2.34"
+    "@wrnexus/native": "^0.2.39"
   },
   "files": [
     "dist"

.publish/native/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/native",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/native — part of the WrNexus framework.",
   "license": "MIT",

.publish/oauth/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/oauth",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/oauth — part of the WrNexus framework.",
   "license": "MIT",

.publish/pubsub/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/pubsub",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/pubsub — part of the WrNexus framework.",
   "license": "MIT",

.publish/queue/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/queue",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/queue — part of the WrNexus framework.",
   "license": "MIT",

.publish/reactive/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/reactive",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/reactive — part of the WrNexus framework.",
   "license": "MIT",

.publish/router/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/router",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/router — part of the WrNexus framework.",
   "license": "MIT",
@@ -21,8 +21,8 @@
     }
   },
   "dependencies": {
-    "@wrnexus/compiler": "^0.2.34",
-    "@wrnexus/core": "^0.2.34"
+    "@wrnexus/compiler": "^0.2.39",
+    "@wrnexus/core": "^0.2.39"
   },
   "files": [
     "dist"

.publish/ssr/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ssr",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/ssr — part of the WrNexus framework.",
   "license": "MIT",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34"
+    "@wrnexus/core": "^0.2.39"
   },
   "files": [
     "dist"

.publish/styles/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/styles",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/styles — part of the WrNexus framework.",
   "license": "MIT",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "@wrnexus/uploader": "^0.2.34"
+    "@wrnexus/uploader": "^0.2.39"
   },
   "files": [
     "dist"

.publish/test/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/test",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/test — part of the WrNexus framework.",
   "license": "MIT",

.publish/tracking/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/tracking",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/tracking — part of the WrNexus framework.",
   "license": "MIT",

.publish/ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ui",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/ui — part of the WrNexus framework.",
   "license": "MIT",
@@ -22,7 +22,7 @@
     "./ui.css": "./ui.css"
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34"
+    "@wrnexus/core": "^0.2.39"
   },
   "files": [
     "dist",

.publish/uploader/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/uploader",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/uploader — part of the WrNexus framework.",
   "license": "MIT",
@@ -21,7 +21,7 @@
     }
   },
   "dependencies": {
-    "@wrnexus/core": "^0.2.34"
+    "@wrnexus/core": "^0.2.39"
   },
   "files": [
     "dist"

.publish/validation/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/validation",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "description": "@wrnexus/validation — part of the WrNexus framework.",
   "license": "MIT",

.vscode/settings.json

@@ -42,5 +42,21 @@
     "editors/vscode/src/compiler.cjs": true
   },
 
-  "wrnexus.diagnostics.enable": true
+  "wrnexus.diagnostics.enable": true,
+
+  "editor.semanticHighlighting.enabled": true,
+  "editor.semanticTokenColorCustomizations": {
+    "rules": {
+      "variable:wrn": {
+        "foreground": "#8B5CF6"
+      },
+      "variable.declaration:wrn": {
+        "foreground": "#A78BFA",
+        "fontStyle": "bold"
+      },
+      "variable.modification:wrn": {
+        "foreground": "#F59E0B"
+      }
+    }
+  }
 }

editors/vscode/package.json

@@ -2,7 +2,7 @@
   "name": "wrnexus",
   "displayName": "WRNexus Language Support",
   "description": "Complete language support for WRNexus .wrn files, including highlighting, formatting, diagnostics, snippets, lifecycle hooks, state watchers, component functions, completions, and definition navigation.",
-  "version": "0.2.7",
+  "version": "0.2.10",
   "publisher": "wrnexus",
   "private": true,
   "license": "SEE LICENSE IN LICENSE",
@@ -225,7 +225,30 @@
           }
         ]
       }
-    }
+    },
+    "semanticTokenScopes": [
+      {
+        "language": "wrn",
+        "scopes": {
+          "variable.declaration": [
+            "variable.other.readwrite.wrn",
+            "variable.other.readwrite.declaration.wrn"
+          ],
+          "variable": [
+            "variable.other.readwrite.wrn"
+          ],
+          "parameter": [
+            "variable.parameter.wrn"
+          ],
+          "function": [
+            "entity.name.function.wrn"
+          ],
+          "property": [
+            "variable.other.property.wrn"
+          ]
+        }
+      }
+    ]
   },
   "scripts": {
     "build:compiler": "bun build ../../packages/compiler/src/index.ts --target=node --format=cjs --outfile=src/compiler.cjs",

editors/vscode/src/compiler.cjs

@@ -493,12 +493,6 @@ function parseHtmlView(src, pos) {
   let i = pos;
   const isNameStart = (c) => /[A-Za-z_]/.test(c);
   const isTagNamePart = (c) => /[A-Za-z0-9_$:.-]/.test(c);
-  const isAttributeNamePart = (c, next) => {
-    if (c === "/") {
-      return next !== ">";
-    }
-    return /[A-Za-z0-9_$:.[\]%-]/.test(c);
-  };
   const isWs2 = (c) => c === " " || c === "\t" || c === `
 ` || c === "\r";
   const fail = (msg) => {
@@ -546,14 +540,22 @@ function parseHtmlView(src, pos) {
     return src.slice(start, i);
   };
   const readAttributeName = () => {
-    const first = src[i];
-    if (i >= src.length || !isNameStart(first) && first !== ":" && first !== "$") {
+    if (i >= src.length) {
       return fail("Expected an attribute name");
     }
-    const start = i++;
-    while (i < src.length && isAttributeNamePart(src[i], src[i + 1])) {
+    const start = i;
+    while (i < src.length) {
+      const char = src[i];
+      const next = src[i + 1];
+      if (char === "=" || char === ">" || char === '"' || char === "'" || char === " " || char === "\t" || char === `
+` || char === "\r" || char === "/" && next === ">") {
+        break;
+      }
       i++;
     }
+    if (i === start) {
+      return fail("Expected an attribute name");
+    }
     return src.slice(start, i);
   };
   const parseTag = () => {
@@ -730,6 +732,7 @@ function parseHtmlView(src, pos) {
 }
 
 // ../../packages/compiler/src/codegen.ts
+var import_node_buffer = require("node:buffer");
 function isComponentTag(tag) {
   return /^[A-Z][A-Za-z0-9_$]*$/.test(tag);
 }
@@ -968,9 +971,9 @@ function renderNode(node, ssrBindings, csrBindings, apiBindings, loops, reactive
   return `<${node.tag}${renderAttrs(node.attrs, csrId, reactive)}>${inner}</${node.tag}>`;
 }
 function renderPageComponentInvocation(node, ssrBindings, csrBindings, apiBindings, loops, reactive) {
-  const attrs = node.attrs.filter((attr) => attr.name !== "data-component");
+  const attrs = node.attrs.filter((attr) => attr.name !== "data-component").map((attr) => renderPageComponentAttr(attr, loops)).join("");
   const inner = node.children.map((child) => renderNode(child, ssrBindings, csrBindings, apiBindings, loops, reactive)).join("");
-  return `<div data-component="${attrEscape(node.tag)}"${renderAttrs(attrs, undefined, reactive)}>${inner}</div>`;
+  return `<div data-component="${attrEscape(node.tag)}"` + `${attrs}>${inner}</div>`;
 }
 function renderNestedComponentInvocation(node, ctx) {
   let bindIndex = 0;
@@ -981,8 +984,10 @@ function renderNestedComponentInvocation(node, ctx) {
     if (attr.boolean) {
       return ` ${attr.name}`;
     }
-    const rendered = ` ${attr.name}="` + `${compileAttrValue(attr.value, ctx)}"`;
-    if (!attr.value.includes("{") || !exprRefsState(attr.value, ctx.stateNames)) {
+    const wholeExpression = wholeAttributeExpression(attr.value);
+    const compiledValue = wholeExpression ? `\${__wireProp(${ctx.resolveExpr(wholeExpression)})}` : compileAttrValue(attr.value, ctx);
+    const rendered = ` ${attr.name}="${compiledValue}"`;
+    if (wholeExpression || !attr.value.includes("{") || !exprRefsState(attr.value, ctx.stateNames)) {
       return rendered;
     }
     const marker = attrEscape(JSON.stringify([attr.name, attr.value]));
@@ -1083,6 +1088,28 @@ function __wrnexusEvalData(data: unknown, body: string, helpers = "", ctx: any):
   return new Function("$data", "$adapters", "const cookies = $adapters.cookies;\\nconst session = $adapters.session;\\nconst localStorage = $adapters.localStorage;\\nwith ($data ?? {}) {\\n" + helpers + "\\n" + body + "\\n}")(data, adapters);
 }
 
+function __wrnexusPropAttr(
+  value: unknown,
+): string {
+  const serialized =
+    value !== null &&
+    typeof value === "object"
+      ? JSON.stringify(value)
+      : String(value == null ? "" : value);
+
+  return serialized.replace(
+    /[&<>"]/g,
+    (character) =>
+      character === "&"
+        ? "&amp;"
+        : character === "<"
+          ? "&lt;"
+          : character === ">"
+            ? "&gt;"
+            : "&quot;",
+  );
+}
+
 async function __wrnexusCallApi(path: string, method: string, ctx: any): Promise<unknown> {
   if (typeof ctx.__wrnexusCallApi === "function") {
     return await ctx.__wrnexusCallApi(path, method);
@@ -1340,7 +1367,8 @@ function behaviorAttribute(behavior) {
   if (!behavior) {
     return "";
   }
-  return ` data-wrn-behavior="${attrEscape(JSON.stringify(behavior))}"`;
+  const encoded = import_node_buffer.Buffer.from(JSON.stringify(behavior), "utf8").toString("base64");
+  return ` data-wrn-behavior="${encoded}"`;
 }
 var INTERP_RE = /\{([^{}]+)\}/g;
 function exprRefsState(expr, stateNames) {
@@ -1351,7 +1379,17 @@ function exprRefsState(expr, stateNames) {
   return false;
 }
 function viewHasEvents(nodes) {
-  return nodes.some((n) => n.type === "element" && (n.attrs.some((a) => a.event) || viewHasEvents(n.children)));
+  return nodes.some((node) => {
+    if (node.type === "text")
+      return false;
+    if (node.type === "each") {
+      return viewHasEvents(node.body) || viewHasEvents(node.empty);
+    }
+    if (node.type === "if") {
+      return node.branches.some((branch) => viewHasEvents(branch.body));
+    }
+    return node.attrs.some((attr) => attr.event) || viewHasEvents(node.children);
+  });
 }
 function compileText(raw, ctx) {
   let out = "";
@@ -1395,11 +1433,36 @@ function compileAttrValue(raw, ctx) {
   }
   return out + escLit(attrEscape(raw.slice(last)));
 }
+function renderComponentIfNode(node, ctx) {
+  let expression = "``";
+  for (let index = node.branches.length - 1;index >= 0; index--) {
+    const branch = node.branches[index];
+    const body = branch.body.map((child) => renderComponentNode(child, ctx)).join("");
+    const bodyExpression = "`" + body + "`";
+    expression = branch.cond === null ? bodyExpression : `(${ctx.resolveExpr(branch.cond)}) ? ${bodyExpression} : ${expression}`;
+  }
+  return "${" + expression + "}";
+}
+function renderComponentEachNode(node, ctx) {
+  const item = node.item;
+  const index = node.index ?? "__wi";
+  const list = ctx.resolveExpr(node.list);
+  const childCtx = {
+    ...ctx,
+    serverLocals: new Set([...ctx.serverLocals ?? [], item, index])
+  };
+  const body = node.body.map((child) => renderComponentNode(child, childCtx)).join("");
+  const empty = node.empty.map((child) => renderComponentNode(child, ctx)).join("");
+  return "${(() => { const __wl = Array.isArray(" + list + ") ? (" + list + ") : []; return __wl.length ? __wl.map((" + item + ", " + index + ") => `" + body + '`).join("") : `' + empty + "`; })()}";
+}
 function renderComponentNode(node, ctx) {
   if (node.type === "text")
     return compileText(node.value, ctx);
-  if (node.type === "each" || node.type === "if") {
-    throw new Error("Server `{#each}` / `{#if}` blocks are supported in pages, not components. Move them into a page (or use data-for / data-show on the client).");
+  if (node.type === "each") {
+    return renderComponentEachNode(node, ctx);
+  }
+  if (node.type === "if") {
+    return renderComponentIfNode(node, ctx);
   }
   if (isComponentTag(node.tag)) {
     return renderNestedComponentInvocation(node, ctx);
@@ -1435,14 +1498,19 @@ function renderComponentNode(node, ctx) {
   const initialConditionalClasses = conditionalClasses.map(({ className, expression }) => {
     return `\${(${ctx.resolveExpr(expression)}) ? ${JSON.stringify(` ${className}`)} : ""}`;
   }).join("");
-  const classAttribute = staticClasses.length > 0 || conditionalClasses.length > 0 ? ` class="${compileAttrValue(staticClasses.join(" "), ctx)}${initialConditionalClasses}"` : "";
-  const classBindings = conditionalClasses.map(({ className, expression }, index) => {
+  const staticClassValue = staticClasses.join(" ");
+  const classHasReactiveExpression = staticClassValue.includes("{") && exprRefsState(staticClassValue, ctx.stateNames);
+  const classAttribute = staticClasses.length > 0 || conditionalClasses.length > 0 ? ` class="${compileAttrValue(staticClassValue, ctx)}${initialConditionalClasses}"` : "";
+  const classReactiveBinding = classHasReactiveExpression ? ` data-wrn-bind-class="${escLit(attrEscape(JSON.stringify(["class", staticClassValue])))}"` : "";
+  const classBindings = conditionalClasses.filter(({ expression }) => {
+    return !ctx.serverLocals || !exprRefsState(expression, ctx.serverLocals);
+  }).map(({ className, expression }, index) => {
     const marker = attrEscape(JSON.stringify([className, expression]));
     return ` data-wrn-class-${index}="${escLit(marker)}"`;
   }).join("");
   const loops = loopVarsOf(node);
   const childCtx = loops.length > 0 ? { ...ctx, loopVars: new Set([...ctx.loopVars ?? [], ...loops]) } : ctx;
-  const allAttrs = `${classAttribute}${classBindings}${attrs}`;
+  const allAttrs = `${classAttribute}` + `${classReactiveBinding}` + `${classBindings}` + `${attrs}`;
   if (VOID_ELEMENTS.has(node.tag.toLowerCase())) {
     return `<${node.tag}${allAttrs}>`;
   }
@@ -1507,18 +1575,103 @@ ${styles.map(styleEscape).join(`
     out.push(`export const __wrnexusBehavior = ${JSON.stringify(behavior, null, 2)};`);
   }
   out.push(`function __coerce(v: any, def: any): any {
-  if (v === undefined || v === null) return def;
-  if (typeof def === "number") return Number(v);
-  if (typeof def === "boolean") return v === true || v === "" || v === "true";
+  if (v === undefined || v === null) {
+    return def;
+  }
+
+  if (typeof def === "number") {
+    return Number(v);
+  }
+
+  if (typeof def === "boolean") {
+    return v === true || v === "" || v === "true";
+  }
+
+  if (Array.isArray(def)) {
+    if (Array.isArray(v)) {
+      return v;
+    }
+
+    if (typeof v === "string") {
+      try {
+        const parsed = JSON.parse(v);
+        return Array.isArray(parsed) ? parsed : def;
+      } catch {
+        return def;
+      }
+    }
+
+    return def;
+  }
+
+  if (def !== null && typeof def === "object") {
+    if (
+      v !== null &&
+      typeof v === "object" &&
+      !Array.isArray(v)
+    ) {
+      return v;
+    }
+
+    if (typeof v === "string") {
+      try {
+        const parsed = JSON.parse(v);
+
+        return (
+          parsed !== null &&
+          typeof parsed === "object" &&
+          !Array.isArray(parsed)
+        )
+          ? parsed
+          : def;
+      } catch {
+        return def;
+      }
+    }
+
+    return def;
+  }
+
   return String(v);
 }
+
 function __wireHtml(v: any): string {
-  return String(v == null ? "" : v).replace(/[&<>]/g, (c) => (c === "&" ? "&amp;" : c === "<" ? "&lt;" : "&gt;"));
-}
-function __wireAttr(v: any): string {
-  return String(v == null ? "" : v).replace(/[&<>"]/g, (c) =>
-    c === "&" ? "&amp;" : c === "<" ? "&lt;" : c === ">" ? "&gt;" : "&quot;",
+  return String(v == null ? "" : v).replace(
+    /[&<>]/g,
+    (c) =>
+      c === "&"
+        ? "&amp;"
+        : c === "<"
+          ? "&lt;"
+          : "&gt;",
   );
+}
+
+function __wireAttr(v: any): string {
+  return String(v == null ? "" : v).replace(
+    /[&<>"]/g,
+    (c) =>
+      c === "&"
+        ? "&amp;"
+        : c === "<"
+          ? "&lt;"
+          : c === ">"
+            ? "&gt;"
+            : "&quot;",
+  );
+}
+
+function __wireProp(v: any): string {
+  const value =
+    v !== null && typeof v === "object"
+      ? JSON.stringify(v)
+      : String(v == null ? "" : v);
+
+  return __wireAttr(value);
+}
+
+function __wireRaw(v: any): string {
+  return String(v == null ? "" : v);
 }`);
   if (needsScope) {
     out.push(`function __wrnexusScopeDecl(obj: Record<string, any>): string {
@@ -1546,6 +1699,25 @@ function __wireAttr(v: any): string {
 `) + `
 `;
 }
+function wholeAttributeExpression(value) {
+  const match = /^\s*\{([\s\S]+)\}\s*$/.exec(value);
+  return match?.[1]?.trim() || null;
+}
+function renderPageComponentAttr(attr, dynamicExpressions) {
+  if (attr.event) {
+    return ` ${eventAttribute(attr.name)}="${attrEscape(attr.value)}"`;
+  }
+  if (attr.boolean) {
+    return ` ${attr.name}`;
+  }
+  const expression = wholeAttributeExpression(attr.value);
+  if (!expression) {
+    return ` ${attr.name}="${attrEscape(attr.value)}"`;
+  }
+  dynamicExpressions.push(`\${__wrnexusPropAttr(${expression})}`);
+  const marker = `\x00WRNEACH${dynamicExpressions.length - 1}\x00`;
+  return ` ${attr.name}="${marker}"`;
+}
 
 // ../../packages/compiler/src/native-codegen.ts
 class NativeCompileError extends Error {

editors/vscode/src/extension.js

@@ -40,41 +40,60 @@ const COMPILER_DIAGNOSTIC_COLLECTION = "wrnexus-compiler";
  * @param {vscode.ExtensionContext} context
  */
 function registerFormatter(context) {
-  const provider = vscode.languages.registerDocumentFormattingEditProvider(
-    {
-      language: WRN_LANGUAGE_ID,
-      scheme: "file",
-    },
-    {
-      provideDocumentFormattingEdits(document, options) {
-        const configuration = vscode.workspace.getConfiguration("wrnexus", document.uri);
+  const selector = {
+    language: WRN_LANGUAGE_ID,
+  };
 
-        const enabled = configuration.get("format.enable", true);
+  const provider = vscode.languages.registerDocumentFormattingEditProvider(selector, {
+    provideDocumentFormattingEdits(document, options, token) {
+      if (token.isCancellationRequested) {
+        return [];
+      }
 
-        if (!enabled) {
-          return [];
-        }
+      const configuration = vscode.workspace.getConfiguration("wrnexus", document.uri);
 
-        const source = document.getText();
+      const enabled = configuration.get("format.enable", true);
 
-        const printWidth = configuration.get("formatting.printWidth", 100);
+      if (!enabled) {
+        return [];
+      }
 
+      const source = document.getText();
+
+      if (!source.trim()) {
+        return [];
+      }
+
+      const printWidth = configuration.get("formatting.printWidth", 100);
+
+      try {
         const formatted = formatWrn(source, {
-          tabSize: options.tabSize,
-          insertSpaces: options.insertSpaces,
+          tabSize: options.tabSize || 2,
+          insertSpaces: options.insertSpaces !== false,
           printWidth,
         });
 
-        if (formatted === source) {
+        if (typeof formatted !== "string" || formatted === source) {
           return [];
         }
 
-        const range = new vscode.Range(document.positionAt(0), document.positionAt(source.length));
+        const fullRange = new vscode.Range(
+          document.positionAt(0),
+          document.positionAt(source.length),
+        );
 
-        return [vscode.TextEdit.replace(range, formatted)];
-      },
+        return [vscode.TextEdit.replace(fullRange, formatted)];
+      } catch (error) {
+        const message = error instanceof Error ? error.message : String(error);
+
+        console.error("[wrnexus] formatting failed:", message);
+
+        vscode.window.showErrorMessage(`WRNexus formatting failed: ${message}`);
+
+        return [];
+      }
     },
-  );
+  });
 
   context.subscriptions.push(provider);
 }
@@ -259,6 +278,103 @@ function registerCompilerDiagnostics(context) {
   );
 }
 
+/**
+ * Register semantic highlighting for WRN state declarations and references.
+ *
+ * @param {vscode.ExtensionContext} context
+ */
+function registerSemanticTokens(context) {
+  const semanticTokenLegend = new vscode.SemanticTokensLegend(
+    ["variable"],
+    ["declaration", "modification"],
+  );
+
+  const escapeRegExp = (value) => value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+
+  const collectStateVariables = (text) => {
+    const states = new Map();
+
+    const pattern = /\bstate\s+([A-Za-z_$][A-Za-z0-9_$]*)\s*(?==|;|\r?$)/gm;
+
+    let match;
+
+    while ((match = pattern.exec(text)) !== null) {
+      const name = match[1];
+
+      if (!name) {
+        continue;
+      }
+
+      const offset = match.index + match[0].lastIndexOf(name);
+
+      const declarations = states.get(name) ?? new Set();
+
+      declarations.add(offset);
+      states.set(name, declarations);
+    }
+
+    return states;
+  };
+
+  const isModification = (text, offset, length) => {
+    const after = text.slice(offset + length).match(/^\s*(=|\+=|-=|\*=|\/=|%=|\+\+|--)/);
+
+    if (after) {
+      return true;
+    }
+
+    const before = text.slice(Math.max(0, offset - 8), offset).match(/(\+\+|--)\s*$/);
+
+    return Boolean(before);
+  };
+
+  const provider = {
+    provideDocumentSemanticTokens(document, token) {
+      const builder = new vscode.SemanticTokensBuilder(semanticTokenLegend);
+
+      const text = document.getText();
+      const states = collectStateVariables(text);
+
+      for (const [name, declarationOffsets] of states) {
+        if (token.isCancellationRequested) {
+          return builder.build();
+        }
+
+        const pattern = new RegExp(`(?<![A-Za-z0-9_$])${escapeRegExp(name)}(?![A-Za-z0-9_$])`, "g");
+
+        let match;
+
+        while ((match = pattern.exec(text)) !== null) {
+          const offset = match.index;
+          const position = document.positionAt(offset);
+
+          let modifiers = [];
+
+          if (declarationOffsets.has(offset)) {
+            modifiers = ["declaration"];
+          } else if (isModification(text, offset, name.length)) {
+            modifiers = ["modification"];
+          }
+
+          builder.push(position.line, position.character, name.length, "variable", modifiers);
+        }
+      }
+
+      return builder.build();
+    },
+  };
+
+  const registration = vscode.languages.registerDocumentSemanticTokensProvider(
+    {
+      language: WRN_LANGUAGE_ID,
+    },
+    provider,
+    semanticTokenLegend,
+  );
+
+  context.subscriptions.push(registration);
+}
+
 /**
  * Activate the WRNexus VS Code extension.
  *
@@ -267,18 +383,236 @@ function registerCompilerDiagnostics(context) {
 function activate(context) {
   registerDiagnostics(context);
   registerCompilerDiagnostics(context);
-
   registerCompletionProvider(context);
   registerDefinitionProvider(context);
   registerFormatter(context);
+  registerSemanticTokens(context);
+
+  context.subscriptions.push(
+    vscode.languages.registerDocumentSemanticTokensProvider(
+      {
+        language: "wrn",
+      },
+      wrnSemanticTokensProvider,
+      semanticTokenLegend,
+    ),
+  );
 }
 
 function deactivate() {}
 
+const semanticTokenLegend = new vscode.SemanticTokensLegend(
+  ["variable"],
+  ["declaration", "modification"],
+);
+
+/**
+ * @param {string} value
+ * @returns {string}
+ */
+function escapeRegExp(value) {
+  return value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
+}
+
+/**
+ * @param {string} text
+ * @returns {Map<string, Set<number>>}
+ */
+function collectStateVariables(text) {
+  const states = new Map();
+  const statePattern = /\bstate\s+([A-Za-z_$][A-Za-z0-9_$]*)\s*(?==|;|\r?$)/gm;
+
+  let match;
+
+  while ((match = statePattern.exec(text)) !== null) {
+    const name = match[1];
+
+    if (!name) {
+      continue;
+    }
+
+    const offset = match.index + match[0].lastIndexOf(name);
+    const declarations = states.get(name) || new Set();
+
+    declarations.add(offset);
+    states.set(name, declarations);
+  }
+
+  return states;
+}
+
+/**
+ * Comments are excluded, but quoted attribute expressions are deliberately
+ * included because WRN state references commonly appear in values such as
+ * class:flex="centered" and @click="enabled = !enabled".
+ *
+ * @param {string} text
+ * @returns {Array<{start: number, end: number}>}
+ */
+function collectCommentRanges(text) {
+  const ranges = [];
+  let index = 0;
+  let quote = null;
+  let escaped = false;
+
+  while (index < text.length) {
+    const current = text[index];
+    const next = text[index + 1];
+
+    if (quote) {
+      if (escaped) {
+        escaped = false;
+        index++;
+        continue;
+      }
+
+      if (current === "\\") {
+        escaped = true;
+        index++;
+        continue;
+      }
+
+      if (current === quote) {
+        quote = null;
+      }
+
+      index++;
+      continue;
+    }
+
+    if (current === '"' || current === "'" || current === "`") {
+      quote = current;
+      index++;
+      continue;
+    }
+
+    if (current === "/" && next === "/") {
+      const start = index;
+      index += 2;
+
+      while (index < text.length && text[index] !== "\n") {
+        index++;
+      }
+
+      ranges.push({ start, end: index });
+      continue;
+    }
+
+    if (current === "/" && next === "*") {
+      const start = index;
+      index += 2;
+
+      while (index < text.length && !(text[index] === "*" && text[index + 1] === "/")) {
+        index++;
+      }
+
+      index = Math.min(text.length, index + 2);
+      ranges.push({ start, end: index });
+      continue;
+    }
+
+    index++;
+  }
+
+  return ranges;
+}
+
+/**
+ * @param {number} offset
+ * @param {Array<{start: number, end: number}>} ranges
+ * @returns {boolean}
+ */
+function isInsideComment(offset, ranges) {
+  let low = 0;
+  let high = ranges.length - 1;
+
+  while (low <= high) {
+    const middle = Math.floor((low + high) / 2);
+    const range = ranges[middle];
+
+    if (!range) {
+      return false;
+    }
+
+    if (offset < range.start) {
+      high = middle - 1;
+    } else if (offset >= range.end) {
+      low = middle + 1;
+    } else {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+/**
+ * @param {string} text
+ * @param {number} offset
+ * @param {number} length
+ * @returns {boolean}
+ */
+function isStateModification(text, offset, length) {
+  const after = text.slice(offset + length).match(/^\s*(=|\+=|-=|\*=|\/=|%=|\+\+|--)/);
+
+  if (after) {
+    return true;
+  }
+
+  const before = text.slice(Math.max(0, offset - 8), offset).match(/(\+\+|--)\s*$/);
+
+  return Boolean(before);
+}
+
+const wrnSemanticTokensProvider = {
+  /**
+   * @param {vscode.TextDocument} document
+   * @param {vscode.CancellationToken} token
+   */
+  provideDocumentSemanticTokens(document, token) {
+    const builder = new vscode.SemanticTokensBuilder(semanticTokenLegend);
+    const text = document.getText();
+    const states = collectStateVariables(text);
+    const commentRanges = collectCommentRanges(text);
+
+    for (const [name, declarationOffsets] of states) {
+      if (token.isCancellationRequested) {
+        return builder.build();
+      }
+
+      const pattern = new RegExp(`(?<![A-Za-z0-9_$])${escapeRegExp(name)}(?![A-Za-z0-9_$])`, "g");
+
+      let match;
+
+      while ((match = pattern.exec(text)) !== null) {
+        const offset = match.index;
+
+        if (isInsideComment(offset, commentRanges)) {
+          continue;
+        }
+
+        const position = document.positionAt(offset);
+        let modifiers = [];
+
+        if (declarationOffsets.has(offset)) {
+          modifiers = ["declaration"];
+        } else if (isStateModification(text, offset, name.length)) {
+          modifiers = ["modification"];
+        }
+
+        builder.push(position.line, position.character, name.length, "variable", modifiers);
+      }
+    }
+
+    return builder.build();
+  },
+};
+
 module.exports = {
   activate,
   deactivate,
   registerCompilerDiagnostics,
   registerFormatter,
+  registerSemanticTokens,
   toCompilerDiagnostic,
 };

editors/vscode/syntaxes/wrn.tmLanguage.json

@@ -534,6 +534,9 @@
         {
           "include": "#conditional-class"
         },
+        {
+          "include": "#conditional-class-single"
+        },
         {
           "include": "text.html.basic"
         }
@@ -560,8 +563,9 @@
       }
     },
     "conditional-class": {
-      "match": "\\b(class)(:)([^\\s=]+)(\\s*=)",
-      "captures": {
+      "name": "meta.attribute.class-directive.wrn",
+      "begin": "(?<=\\s)(class)(:)((?:\\[[^\\]\\r\\n]*\\]|[^\\s=])+)(\\s*=\\s*)(\")",
+      "beginCaptures": {
         "1": {
           "name": "entity.other.attribute-name.class.wrn"
         },
@@ -573,8 +577,56 @@
         },
         "4": {
           "name": "keyword.operator.assignment.wrn"
+        },
+        "5": {
+          "name": "punctuation.definition.string.begin.wrn"
         }
-      }
+      },
+      "conditional-class-single": {
+        "name": "meta.attribute.class-directive.wrn",
+        "begin": "(?<=\\s)(class)(:)((?:\\[[^\\]\\r\\n]*\\]|[^\\s=])+)(\\s*=\\s*)(')",
+        "beginCaptures": {
+          "1": {
+            "name": "entity.other.attribute-name.class.wrn"
+          },
+          "2": {
+            "name": "punctuation.separator.key-value.wrn"
+          },
+          "3": {
+            "name": "string.unquoted.class-name.wrn"
+          },
+          "4": {
+            "name": "keyword.operator.assignment.wrn"
+          },
+          "5": {
+            "name": "punctuation.definition.string.begin.wrn"
+          }
+        },
+        "end": "'",
+        "endCaptures": {
+          "0": {
+            "name": "punctuation.definition.string.end.wrn"
+          }
+        },
+        "contentName": "meta.embedded.expression.wrn",
+        "patterns": [
+          {
+            "include": "source.ts"
+          }
+        ]
+      },
+      "end": "\"",
+      "endCaptures": {
+        "0": {
+          "name": "punctuation.definition.string.end.wrn"
+        }
+      },
+      "contentName": "meta.embedded.expression.wrn",
+      "patterns": [
+        {
+          "include": "source.ts"
+        }
+      ]
     },
     "interpolation": {
       "patterns": [

packages/ai/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ai",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "description": "Zero-dependency Claude (Anthropic) client for WrNexus apps.",

packages/authz/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/authz",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/cli",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/cli/src/update.ts

@@ -384,6 +384,51 @@ const MIGRATIONS: Migration[] = [
       // No generated application files require automatic migration.
     },
   },
+  {
+    version: "0.2.35",
+    id: "class-bug",
+    description:
+      "Fixes component behavior encoding, lifecycle and watcher metadata parsing, CSR cleanup, and reactive form control property updates.",
+    apply() {
+      // No generated application files require automatic migration.
+    },
+  },
+  {
+    version: "0.2.36",
+    id: "attribute-bug",
+    description:
+      "Adds support for Tailwind arbitrary-value class directives and improves reactive class bindings.",
+    apply() {
+      // No generated application files require automatic migration.
+    },
+  },
+  {
+    version: "0.2.37",
+    id: "loop-condition-fix",
+    description:
+      "Adds server-rendered component each/if blocks and fixes dynamic component rendering.",
+    apply() {
+      // No generated application files require automatic migration.
+    },
+  },
+  {
+    version: "0.2.38",
+    id: "loop-condition-bug",
+    description:
+      "Adds server-rendered component each/if blocks and fixes dynamic component rendering.",
+    apply() {
+      // No generated application files require automatic migration.
+    },
+  },
+  {
+    version: "0.2.39",
+    id: "server-function-bug",
+    description:
+      "Adds server-rendered component each/if blocks and fixes dynamic component rendering.",
+    apply() {
+      // No generated application files require automatic migration.
+    },
+  },
 ];
 
 /** Release tooling uses this to require an explicit migration entry per version. */

packages/compiler/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/compiler",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/compiler/src/codegen.ts

@@ -15,6 +15,8 @@
  *   realtime {..}      -> export const websocket = { evt(ws, ...args) { b } }
  */
 
+import { Buffer } from "node:buffer";
+
 import { VOID_ELEMENTS, type Attr, type DataMode, type PageAst, type ViewNode } from "./parser.ts";
 
 interface RenderBinding {
@@ -428,17 +430,16 @@ function renderPageComponentInvocation(
   loops: string[],
   reactive: PageReactive | null,
 ): string {
-  const attrs = node.attrs.filter((attr) => attr.name !== "data-component");
+  const attrs = node.attrs
+    .filter((attr) => attr.name !== "data-component")
+    .map((attr) => renderPageComponentAttr(attr, loops))
+    .join("");
 
   const inner = node.children
     .map((child) => renderNode(child, ssrBindings, csrBindings, apiBindings, loops, reactive))
     .join("");
 
-  return `<div data-component="${attrEscape(node.tag)}"${renderAttrs(
-    attrs,
-    undefined,
-    reactive,
-  )}>${inner}</div>`;
+  return `<div data-component="${attrEscape(node.tag)}"` + `${attrs}>${inner}</div>`;
 }
 
 function renderNestedComponentInvocation(
@@ -460,9 +461,19 @@ function renderNestedComponentInvocation(
         return ` ${attr.name}`;
       }
 
-      const rendered = ` ${attr.name}="` + `${compileAttrValue(attr.value, ctx)}"`;
+      const wholeExpression = wholeAttributeExpression(attr.value);
 
-      if (!attr.value.includes("{") || !exprRefsState(attr.value, ctx.stateNames)) {
+      const compiledValue = wholeExpression
+        ? `\${__wireProp(${ctx.resolveExpr(wholeExpression)})}`
+        : compileAttrValue(attr.value, ctx);
+
+      const rendered = ` ${attr.name}="${compiledValue}"`;
+
+      if (
+        wholeExpression ||
+        !attr.value.includes("{") ||
+        !exprRefsState(attr.value, ctx.stateNames)
+      ) {
         return rendered;
       }
 
@@ -589,6 +600,28 @@ function __wrnexusEvalData(data: unknown, body: string, helpers = "", ctx: any):
   return new Function("$data", "$adapters", "const cookies = $adapters.cookies;\\nconst session = $adapters.session;\\nconst localStorage = $adapters.localStorage;\\nwith ($data ?? {}) {\\n" + helpers + "\\n" + body + "\\n}")(data, adapters);
 }
 
+function __wrnexusPropAttr(
+  value: unknown,
+): string {
+  const serialized =
+    value !== null &&
+    typeof value === "object"
+      ? JSON.stringify(value)
+      : String(value == null ? "" : value);
+
+  return serialized.replace(
+    /[&<>"]/g,
+    (character) =>
+      character === "&"
+        ? "&amp;"
+        : character === "<"
+          ? "&lt;"
+          : character === ">"
+            ? "&gt;"
+            : "&quot;",
+  );
+}
+
 async function __wrnexusCallApi(path: string, method: string, ctx: any): Promise<unknown> {
   if (typeof ctx.__wrnexusCallApi === "function") {
     return await ctx.__wrnexusCallApi(path, method);
@@ -804,6 +837,8 @@ interface CompCtx {
   /** `data-for` loop variables in scope — their mustaches stay literal for the
    * client's list renderer (never baked server-side, since they have no value). */
   loopVars?: Set<string>;
+  /** Local identifiers introduced by server-rendered `{#each}` blocks. */
+  serverLocals?: Set<string>;
 }
 
 interface ComponentBehavior {
@@ -940,9 +975,19 @@ function exprRefsState(expr: string, stateNames: Set<string>): boolean {
 }
 
 function viewHasEvents(nodes: ViewNode[]): boolean {
-  return nodes.some(
-    (n) => n.type === "element" && (n.attrs.some((a) => a.event) || viewHasEvents(n.children)),
-  );
+  return nodes.some((node) => {
+    if (node.type === "text") return false;
+
+    if (node.type === "each") {
+      return viewHasEvents(node.body) || viewHasEvents(node.empty);
+    }
+
+    if (node.type === "if") {
+      return node.branches.some((branch) => viewHasEvents(branch.body));
+    }
+
+    return node.attrs.some((attr) => attr.event) || viewHasEvents(node.children);
+  });
 }
 
 /**
@@ -1004,14 +1049,65 @@ function compileAttrValue(raw: string, ctx: CompCtx): string {
   return out + escLit(attrEscape(raw.slice(last)));
 }
 
+function renderComponentIfNode(node: IfNode, ctx: CompCtx): string {
+  let expression = "``";
+
+  for (let index = node.branches.length - 1; index >= 0; index--) {
+    const branch = node.branches[index]!;
+    const body = branch.body.map((child) => renderComponentNode(child, ctx)).join("");
+    const bodyExpression = "`" + body + "`";
+
+    expression =
+      branch.cond === null
+        ? bodyExpression
+        : `(${ctx.resolveExpr(branch.cond)}) ? ${bodyExpression} : ${expression}`;
+  }
+
+  return "${" + expression + "}";
+}
+
+function renderComponentEachNode(node: EachNode, ctx: CompCtx): string {
+  const item = node.item;
+  const index = node.index ?? "__wi";
+  const list = ctx.resolveExpr(node.list);
+
+  const childCtx: CompCtx = {
+    ...ctx,
+    serverLocals: new Set([...(ctx.serverLocals ?? []), item, index]),
+  };
+
+  const body = node.body.map((child) => renderComponentNode(child, childCtx)).join("");
+  const empty = node.empty.map((child) => renderComponentNode(child, ctx)).join("");
+
+  return (
+    "${(() => { const __wl = Array.isArray(" +
+    list +
+    ") ? (" +
+    list +
+    ") : []; return __wl.length ? __wl.map((" +
+    item +
+    ", " +
+    index +
+    ") => `" +
+    body +
+    '`).join("") : `' +
+    empty +
+    "`; })()}"
+  );
+}
+
 /** Render a component view node into template-literal-ready source. */
 function renderComponentNode(node: ViewNode, ctx: CompCtx): string {
   if (node.type === "text") return compileText(node.value, ctx);
-  if (node.type === "each" || node.type === "if") {
-    throw new Error(
-      "Server `{#each}` / `{#if}` blocks are supported in pages, not components. Move them into a page (or use data-for / data-show on the client).",
-    );
+
+  if (node.type === "each") {
+    return renderComponentEachNode(node, ctx);
   }
+
+  if (node.type === "if") {
+    return renderComponentIfNode(node, ctx);
+  }
+
   if (isComponentTag(node.tag)) {
     return renderNestedComponentInvocation(node, ctx);
   }
@@ -1065,12 +1161,24 @@ function renderComponentNode(node: ViewNode, ctx: CompCtx): string {
     })
     .join("");
 
+  const staticClassValue = staticClasses.join(" ");
+
+  const classHasReactiveExpression =
+    staticClassValue.includes("{") && exprRefsState(staticClassValue, ctx.stateNames);
+
   const classAttribute =
     staticClasses.length > 0 || conditionalClasses.length > 0
-      ? ` class="${compileAttrValue(staticClasses.join(" "), ctx)}${initialConditionalClasses}"`
+      ? ` class="${compileAttrValue(staticClassValue, ctx)}${initialConditionalClasses}"`
       : "";
 
+  const classReactiveBinding = classHasReactiveExpression
+    ? ` data-wrn-bind-class="${escLit(attrEscape(JSON.stringify(["class", staticClassValue])))}"`
+    : "";
+
   const classBindings = conditionalClasses
+    .filter(({ expression }) => {
+      return !ctx.serverLocals || !exprRefsState(expression, ctx.serverLocals);
+    })
     .map(({ className, expression }, index) => {
       const marker = attrEscape(JSON.stringify([className, expression]));
 
@@ -1083,7 +1191,8 @@ function renderComponentNode(node: ViewNode, ctx: CompCtx): string {
   const childCtx =
     loops.length > 0 ? { ...ctx, loopVars: new Set([...(ctx.loopVars ?? []), ...loops]) } : ctx;
 
-  const allAttrs = `${classAttribute}${classBindings}${attrs}`;
+  const allAttrs =
+    `${classAttribute}` + `${classReactiveBinding}` + `${classBindings}` + `${attrs}`;
 
   if (VOID_ELEMENTS.has(node.tag.toLowerCase())) {
     return `<${node.tag}${allAttrs}>`;
@@ -1123,6 +1232,11 @@ function generateComponent(ast: PageAst): string {
   };
   const ctx: CompCtx = { stateNames, resolveExpr };
 
+  const serverFunctions = ast.functions
+    .map((body) => body.trim())
+    .filter(Boolean)
+    .join("\n\n");
+
   const viewCode = ast.view.map((node) => renderComponentNode(node, ctx)).join("");
   const styles = ast.styles.map((body) => body.trim()).filter(Boolean);
   const styleTag =
@@ -1153,7 +1267,7 @@ function generateComponent(ast: PageAst): string {
     );
   }
   for (const state of ast.states) {
-    decls.push(`  const ${nameRefs.get(state.name)} = (${resolveExpr(state.expr)});`);
+    decls.push(`  let ${nameRefs.get(state.name)} = (${resolveExpr(state.expr)});`);
   }
 
   const returnExpr = needsScope
@@ -1178,18 +1292,103 @@ function generateComponent(ast: PageAst): string {
   }
 
   out.push(`function __coerce(v: any, def: any): any {
-  if (v === undefined || v === null) return def;
-  if (typeof def === "number") return Number(v);
-  if (typeof def === "boolean") return v === true || v === "" || v === "true";
+  if (v === undefined || v === null) {
+    return def;
+  }
+
+  if (typeof def === "number") {
+    return Number(v);
+  }
+
+  if (typeof def === "boolean") {
+    return v === true || v === "" || v === "true";
+  }
+
+  if (Array.isArray(def)) {
+    if (Array.isArray(v)) {
+      return v;
+    }
+
+    if (typeof v === "string") {
+      try {
+        const parsed = JSON.parse(v);
+        return Array.isArray(parsed) ? parsed : def;
+      } catch {
+        return def;
+      }
+    }
+
+    return def;
+  }
+
+  if (def !== null && typeof def === "object") {
+    if (
+      v !== null &&
+      typeof v === "object" &&
+      !Array.isArray(v)
+    ) {
+      return v;
+    }
+
+    if (typeof v === "string") {
+      try {
+        const parsed = JSON.parse(v);
+
+        return (
+          parsed !== null &&
+          typeof parsed === "object" &&
+          !Array.isArray(parsed)
+        )
+          ? parsed
+          : def;
+      } catch {
+        return def;
+      }
+    }
+
+    return def;
+  }
+
   return String(v);
 }
+
 function __wireHtml(v: any): string {
-  return String(v == null ? "" : v).replace(/[&<>]/g, (c) => (c === "&" ? "&amp;" : c === "<" ? "&lt;" : "&gt;"));
-}
-function __wireAttr(v: any): string {
-  return String(v == null ? "" : v).replace(/[&<>"]/g, (c) =>
-    c === "&" ? "&amp;" : c === "<" ? "&lt;" : c === ">" ? "&gt;" : "&quot;",
+  return String(v == null ? "" : v).replace(
+    /[&<>]/g,
+    (c) =>
+      c === "&"
+        ? "&amp;"
+        : c === "<"
+          ? "&lt;"
+          : "&gt;",
   );
+}
+
+function __wireAttr(v: any): string {
+  return String(v == null ? "" : v).replace(
+    /[&<>"]/g,
+    (c) =>
+      c === "&"
+        ? "&amp;"
+        : c === "<"
+          ? "&lt;"
+          : c === ">"
+            ? "&gt;"
+            : "&quot;",
+  );
+}
+
+function __wireProp(v: any): string {
+  const value =
+    v !== null && typeof v === "object"
+      ? JSON.stringify(v)
+      : String(v == null ? "" : v);
+
+  return __wireAttr(value);
+}
+
+function __wireRaw(v: any): string {
+  return String(v == null ? "" : v);
 }`);
 
   if (needsScope) {
@@ -1208,10 +1407,13 @@ function __wireAttr(v: any): string {
 }`);
   }
 
+  const serverFunctionSource = serverFunctions ? `${serverFunctions}\n` : "";
+
   out.push(
     `export function render(props: Record<string, any> = {}): string {\n` +
       `  const __p = props || {};\n` +
       (decls.length > 0 ? decls.join("\n") + "\n" : "") +
+      serverFunctionSource +
       scopeLine +
       `  return ${returnExpr};\n` +
       `}`,
@@ -1220,12 +1422,51 @@ function __wireAttr(v: any): string {
   return out.join("\n\n") + "\n";
 }
 
+function __wireRaw(v: any): string {
+  return String(v == null ? "" : v);
+}
+
+function wholeAttributeExpression(value: string): string | null {
+  const match = /^\s*\{([\s\S]+)\}\s*$/.exec(value);
+
+  return match?.[1]?.trim() || null;
+}
 function __wireHtml(v: any): string {
   return String(v == null ? "" : v).replace(/[&<>]/g, (c) =>
     c === "&" ? "&amp;" : c === "<" ? "&lt;" : "&gt;",
   );
 }
 
-function __wireRaw(v: any): string {
-  return String(v == null ? "" : v);
+function __wireAttr(v: any): string {
+  return String(v == null ? "" : v).replace(/[&<>"]/g, (c) =>
+    c === "&" ? "&amp;" : c === "<" ? "&lt;" : c === ">" ? "&gt;" : "&quot;",
+  );
+}
+
+function __wireProp(v: any): string {
+  const value =
+    v !== null && typeof v === "object" ? JSON.stringify(v) : String(v == null ? "" : v);
+
+  return __wireAttr(value);
+}
+function renderPageComponentAttr(attr: Attr, dynamicExpressions: string[]): string {
+  if (attr.event) {
+    return ` ${eventAttribute(attr.name)}="${attrEscape(attr.value)}"`;
+  }
+
+  if (attr.boolean) {
+    return ` ${attr.name}`;
+  }
+
+  const expression = wholeAttributeExpression(attr.value);
+
+  if (!expression) {
+    return ` ${attr.name}="${attrEscape(attr.value)}"`;
+  }
+
+  dynamicExpressions.push(`\${__wrnexusPropAttr(${expression})}`);
+
+  const marker = `\x00WRNEACH${dynamicExpressions.length - 1}\x00`;
+
+  return ` ${attr.name}="${marker}"`;
 }

packages/compiler/src/parser.ts

@@ -469,13 +469,6 @@ export function parseHtmlView(src: string, pos: number): { nodes: ViewNode[]; en
 
   const isTagNamePart = (c: string): boolean => /[A-Za-z0-9_$:.-]/.test(c);
 
-  const isAttributeNamePart = (c: string, next: string | undefined): boolean => {
-    if (c === "/") {
-      return next !== ">";
-    }
-
-    return /[A-Za-z0-9_$:.[\]%-]/.test(c);
-  };
   const isWs = (c: string): boolean => c === " " || c === "\t" || c === "\n" || c === "\r";
 
   const fail = (msg: string): never => {
@@ -526,18 +519,37 @@ export function parseHtmlView(src: string, pos: number): { nodes: ViewNode[]; en
   };
 
   const readAttributeName = (): string => {
-    const first = src[i];
-
-    if (i >= src.length || (!isNameStart(first!) && first !== ":" && first !== "$")) {
+    if (i >= src.length) {
       return fail("Expected an attribute name");
     }
 
-    const start = i++;
+    const start = i;
+
+    while (i < src.length) {
+      const char = src[i];
+      const next = src[i + 1];
+
+      if (
+        char === "=" ||
+        char === ">" ||
+        char === '"' ||
+        char === "'" ||
+        char === " " ||
+        char === "\t" ||
+        char === "\n" ||
+        char === "\r" ||
+        (char === "/" && next === ">")
+      ) {
+        break;
+      }
 
-    while (i < src.length && isAttributeNamePart(src[i]!, src[i + 1])) {
       i++;
     }
 
+    if (i === start) {
+      return fail("Expected an attribute name");
+    }
+
     return src.slice(start, i);
   };
 

packages/compiler/test/compiler.test.ts

@@ -243,7 +243,9 @@ component ParentCard {
 
   expect(output).toContain('data-component="ChildCard"');
 
-  expect(output).toContain('title="${__wireAttr(title)}"');
+  expect(output).toContain('title="${__wireProp(title)}"');
+
+  expect(output).toContain("function __wireProp");
 });
 
 test("parses a layout block", () => {
@@ -610,3 +612,229 @@ function extractBehavior(output: string): {
 
   return JSON.parse(Buffer.from(match![1], "base64").toString("utf8"));
 }
+test("component interpolated class attributes remain reactive", () => {
+  const output = generate(
+    parse(`
+component CookieToggle {
+  state personalizationCookies = false
+
+  view {
+    <span
+      class="base {personalizationCookies ? 'enabled' : 'disabled'}"
+    >
+      Cookie
+    </span>
+  }
+}
+`),
+  );
+
+  const match = output.match(/data-wrn-bind-class="([^"]+)"/);
+
+  expect(match).not.toBeNull();
+
+  const encodedBinding = match?.[1] ?? "";
+
+  const decodedBinding = encodedBinding
+    .replaceAll("&quot;", '"')
+    .replaceAll("&#39;", "'")
+    .replaceAll("&amp;", "&")
+    .replaceAll("&lt;", "<")
+    .replaceAll("&gt;", ">");
+
+  const binding = JSON.parse(decodedBinding) as [string, string];
+
+  expect(binding[0]).toBe("class");
+
+  expect(binding[1]).toBe("base {personalizationCookies ? 'enabled' : 'disabled'}");
+});
+test("parses class directives containing Tailwind arbitrary values", () => {
+  const ast = parse(`
+component PageHeader {
+  state centered = false
+
+  view {
+    <div
+      class="py-12"
+      class:lg:grid-cols-[minmax(0,1fr)_auto]="!centered"
+      class:dark:bg-white/10="centered"
+      class:w-[calc(100%-2rem)]="centered"
+    >
+      Header
+    </div>
+  }
+}
+`);
+
+  expect(ast).toBeDefined();
+});
+test("compiles Tailwind arbitrary values in class directives", () => {
+  const output = generate(
+    parse(`
+component PageHeader {
+  state centered = false
+
+  view {
+    <div
+      class="py-12"
+      class:lg:grid-cols-[minmax(0,1fr)_auto]="!centered"
+      class:dark:bg-white/10="centered"
+    >
+      Header
+    </div>
+  }
+}
+`),
+  );
+
+  expect(output).toContain("lg:grid-cols-[minmax(0,1fr)_auto]");
+
+  expect(output).toContain("dark:bg-white/10");
+});
+test("components support each blocks", () => {
+  const output = generate(
+    parse(`
+component PageHeader {
+  props {
+    highlights = []
+  }
+
+  view {
+    <div>
+      {#each highlights as highlight}
+        <span>{highlight.title}</span>
+      {/each}
+    </div>
+  }
+}
+`),
+  );
+
+  expect(output).toContain("highlights");
+
+  expect(output).toContain("highlight.title");
+
+  expect(output).not.toContain("supported in pages, not components");
+});
+test("components support if blocks", () => {
+  const output = generate(
+    parse(`
+component Banner {
+  props {
+    visible = true
+  }
+
+  view {
+    {#if visible}
+      <div>Visible</div>
+    {:else}
+      <div>Hidden</div>
+    {/if}
+  }
+}
+`),
+  );
+
+  expect(output).toContain("visible");
+  expect(output).toContain("Visible");
+  expect(output).toContain("Hidden");
+});
+test("component array props support each blocks", () => {
+  const output = generate(
+    parse(`
+component HighlightList {
+  props {
+    highlights = []
+  }
+
+  view {
+    {#each highlights as highlight}
+      <p>{highlight.title}</p>
+    {/each}
+  }
+}
+`),
+  );
+
+  expect(output).toContain("Array.isArray(def)");
+
+  expect(output).toContain("JSON.parse(v)");
+
+  expect(output).toContain("highlights");
+});
+test("page component props evaluate whole expressions", () => {
+  const output = generate(
+    parse(`
+page Home {
+  view {
+    <HighlightList
+      enabled="{true}"
+      highlights="{[
+        { title: 'First' },
+        { title: 'Second' }
+      ]}"
+    />
+  }
+}
+`),
+  );
+
+  expect(output).toContain("__wrnexusPropAttr(true)");
+
+  expect(output).toContain("__wrnexusPropAttr([");
+});
+test("component functions are available during server rendering", () => {
+  const output = generate(
+    parse(`
+component FAQAccordion {
+  props {
+    allowMultiple = false
+    items = []
+  }
+
+  state openIndexes = []
+
+  functions {
+    function isOpen(index) {
+      return openIndexes.includes(index)
+    }
+
+    function toggleItem(index) {
+      if (isOpen(index)) {
+        openIndexes = openIndexes.filter(
+          (itemIndex) =>
+            itemIndex !== index
+        )
+      } else if (allowMultiple) {
+        openIndexes = [
+          ...openIndexes,
+          index
+        ]
+      } else {
+        openIndexes = [index]
+      }
+    }
+  }
+
+  view {
+    {#each items as item, index}
+      <button
+        class:hidden="!isOpen(index)"
+        @click="toggleItem(index)"
+      >
+        {item.title}
+      </button>
+    {/each}
+  }
+}
+`),
+  );
+
+  expect(output).toContain("function isOpen(index)");
+
+  expect(output).toContain("function toggleItem(index)");
+
+  expect(output).toContain("let openIndexes =");
+
+  expect(output).toContain("isOpen(index)");
+});

packages/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/core",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/csr/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/csr",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/db/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/db",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/dev-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/dev-server",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/encryption/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/encryption",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/helpers/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/helpers",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "description": "Safe convenience helpers for WrNexus request contexts and common application flows.",

packages/i18n/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/i18n",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/jwt/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/jwt",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/mobile/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/mobile",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/native/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/native",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/oauth/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/oauth",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/pubsub/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/pubsub",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/queue/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/queue",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/reactive/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/reactive",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/router/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/router",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/ssr/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ssr",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/styles/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/styles",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "type": "module",
   "main": "src/index.ts",
   "exports": {

packages/test/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/test",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/tracking/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/tracking",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/ui",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/uploader/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/uploader",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

packages/validation/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@wrnexus/validation",
-  "version": "0.2.34",
+  "version": "0.2.39",
   "private": true,
   "type": "module",
   "main": "src/index.ts",

update-package-versions.mjs

@@ -0,0 +1,63 @@
+import { existsSync, readdirSync, readFileSync, writeFileSync } from "node:fs";
+import { join } from "node:path";
+
+const version = "0.2.39";
+
+const dependencyGroups = [
+  "dependencies",
+  "devDependencies",
+  "peerDependencies",
+  "optionalDependencies",
+];
+
+for (const entry of readdirSync("packages", {
+  withFileTypes: true,
+})) {
+  if (!entry.isDirectory()) {
+    continue;
+  }
+
+  const packageFile = join("packages", entry.name, "package.json");
+
+  if (!existsSync(packageFile)) {
+    continue;
+  }
+
+  const packageJson = JSON.parse(readFileSync(packageFile, "utf8"));
+
+  packageJson.version = version;
+
+  for (const group of dependencyGroups) {
+    const dependencies = packageJson[group];
+
+    if (!dependencies || typeof dependencies !== "object") {
+      continue;
+    }
+
+    for (const dependencyName of Object.keys(dependencies)) {
+      if (!dependencyName.startsWith("@wrnexus/")) {
+        continue;
+      }
+
+      const currentVersion = dependencies[dependencyName];
+
+      if (typeof currentVersion !== "string") {
+        continue;
+      }
+
+      if (currentVersion.startsWith("workspace:")) {
+        continue;
+      }
+
+      if (currentVersion.startsWith("^")) {
+        dependencies[dependencyName] = `^${version}`;
+      } else if (currentVersion.startsWith("~")) {
+        dependencies[dependencyName] = `~${version}`;
+      } else {
+        dependencies[dependencyName] = version;
+      }
+    }
+  }
+
+  writeFileSync(packageFile, `${JSON.stringify(packageJson, null, 2)}\n`);
+}