Initial commit

moved from private version control

scripts/nodes/library/sequence.js

@@ -0,0 +1,74 @@
+import { createNodeModule } from "../nodeTypes.js";
+
+/**
+ * Executes multiple branches in sequence.
+ */
+export const sequenceNode = createNodeModule(
+  {
+    id: "sequence",
+    title: "Sequence",
+    category: "Logic",
+    description: "Execute connected branches sequentially.",
+    searchTags: ["sequence", "flow", "order", "multi"],
+    inputs: [{ id: "exec_in", name: "Exec", direction: "input", kind: "exec" }],
+    outputs: [
+      { id: "a", name: "A", direction: "output", kind: "exec" },
+      { id: "b", name: "B", direction: "output", kind: "exec" },
+      { id: "c", name: "C", direction: "output", kind: "exec" },
+    ],
+    properties: [],
+    initializeProperties: (properties) => {
+      if (!Array.isArray(properties.branches)) {
+        properties.branches = [
+          { id: "a" },
+          { id: "b" },
+          { id: "c" },
+        ];
+      } else {
+        properties.branches = properties.branches
+          .map((entry) =>
+            entry && typeof entry.id === "string"
+              ? { id: entry.id.trim() || "" }
+              : null
+          )
+          .filter((entry) => entry && entry.id);
+        if (!properties.branches.length) {
+          properties.branches = [
+            { id: "a" },
+            { id: "b" },
+            { id: "c" },
+          ];
+        }
+      }
+
+      if (!Number.isFinite(properties.branchCounter)) {
+        properties.branchCounter = properties.branches.length;
+      }
+    },
+  },
+  {
+    emitExec: ({
+      node,
+      indent,
+      indentLevel,
+      findExecTargets,
+      emitExecChain,
+      path,
+    }) => {
+      const lines = [];
+      node.outputs.forEach((pin) => {
+        const label = (pin.name ?? pin.id).toLowerCase();
+        lines.push(`${indent(indentLevel)}-- sequence ${label}`);
+        const targets = findExecTargets(pin.id);
+        if (!targets.length) {
+          return;
+        }
+        targets.forEach((target) => {
+          const branchPath = new Set(path);
+          lines.push(...emitExecChain(target.nodeId, indentLevel, branchPath));
+        });
+      });
+      return lines;
+    },
+  }
+);