Initial commit

moved from private version control

scripts/nodes/library/ifNode.js

@@ -0,0 +1,67 @@
+import { createNodeModule } from "../nodeTypes.js";
+
+/**
+ * Branches execution based on a boolean condition.
+ */
+export const ifNode = createNodeModule(
+  {
+    id: "if",
+    title: "If",
+    category: "Logic",
+    description: "Branch execution based on a boolean condition.",
+    searchTags: ["if", "condition", "branch", "logic"],
+    inputs: [
+      { id: "exec_in", name: "Exec", direction: "input", kind: "exec" },
+      {
+        id: "condition",
+        name: "Condition",
+        direction: "input",
+        kind: "boolean",
+      },
+    ],
+    outputs: [
+      { id: "then", name: "Then", direction: "output", kind: "exec" },
+      { id: "else", name: "Else", direction: "output", kind: "exec" },
+    ],
+    properties: [],
+  },
+  {
+    emitExec: ({
+      indent,
+      indentLevel,
+      resolveValueInput,
+      emitBranch,
+      findExecTargets,
+      path,
+    }) => {
+      const condition = resolveValueInput("condition", "false");
+      const lines = [`${indent(indentLevel)}if ${condition} then`];
+
+      const thenLines = emitBranch("then", {
+        indentLevel: indentLevel + 1,
+        path: new Set(path),
+      });
+      if (!thenLines.length) {
+        lines.push(`${indent(indentLevel + 1)}-- then branch`);
+      } else {
+        lines.push(...thenLines);
+      }
+
+      if (findExecTargets("else").length) {
+        lines.push(`${indent(indentLevel)}else`);
+        const elseLines = emitBranch("else", {
+          indentLevel: indentLevel + 1,
+          path: new Set(path),
+        });
+        if (!elseLines.length) {
+          lines.push(`${indent(indentLevel + 1)}-- else branch`);
+        } else {
+          lines.push(...elseLines);
+        }
+      }
+
+      lines.push(`${indent(indentLevel)}end`);
+      return lines;
+    },
+  }
+);