Initial commit

moved from private version control

scripts/nodes/library/strings/sub.js

@@ -0,0 +1,48 @@
+import { createNodeModule } from "../../nodeTypes.js";
+
+/**
+ * Extracts substrings using sub.
+ */
+export const stringSubNode = createNodeModule(
+  {
+    id: "string_sub",
+    title: "Substring",
+    category: "Strings",
+    description: "Extract a substring using SUB().",
+    searchTags: ["sub", "substring", "string"],
+    inputs: [
+      { id: "string", name: "String", direction: "input", kind: "string" },
+      {
+        id: "start",
+        name: "Start",
+        direction: "input",
+        kind: "number",
+      },
+      {
+        id: "stop",
+        name: "Stop",
+        direction: "input",
+        kind: "any",
+        description: "Optional end position or truthy for single character",
+      },
+    ],
+    outputs: [
+      { id: "result", name: "Result", direction: "output", kind: "string" },
+    ],
+    properties: [],
+  },
+  {
+    evaluateValue: ({ resolveValueInput }) => {
+      const OMIT = "__pg_omit__";
+      const str = resolveValueInput("string", "\"\"");
+      const start = resolveValueInput("start", "1");
+      const stop = resolveValueInput("stop", OMIT);
+
+      if (stop === OMIT) {
+        return `sub(${str}, ${start})`;
+      }
+
+      return `sub(${str}, ${start}, ${stop})`;
+    },
+  }
+);