Initial commit

Co-Authored-By: Eric Tuvesson <eric.tuvesson@gmail.com>
Co-Authored-By: mikaeltellhed <2311083+mikaeltellhed@users.noreply.github.com>
Co-Authored-By: kotte <14197736+mrtamagotchi@users.noreply.github.com>
Co-Authored-By: Anders Larsson <64838990+anders-topp@users.noreply.github.com>
Co-Authored-By: Johan  <4934465+joolsus@users.noreply.github.com>
Co-Authored-By: Tore Knudsen <18231882+torekndsn@users.noreply.github.com>
Co-Authored-By: victoratndl <99176179+victoratndl@users.noreply.github.com>

packages/noodl-runtime/src/nodes/std-library/substring.js

@@ -0,0 +1,76 @@
+'use strict';
+
+const SubStringNode = {
+  name: 'Substring',
+  docs: 'https://docs.noodl.net/nodes/string-manipulation/substring',
+  category: 'String Manipulation',
+  initialize: function () {
+    var internal = this._internal;
+    internal.startIndex = 0;
+    internal.endIndex = -1;
+    internal.cachedResult = '';
+    internal.inputString = '';
+    internal.resultDirty = false;
+  },
+  inputs: {
+    start: {
+      type: 'number',
+      displayName: 'Start',
+      default: 0,
+      set: function (value) {
+        this._internal.startIndex = value;
+        this._internal.resultDirty = true;
+        this.flagOutputDirty('result');
+      }
+    },
+    end: {
+      type: 'number',
+      displayName: 'End',
+      default: 0,
+      set: function (value) {
+        this._internal.endIndex = value;
+        this._internal.resultDirty = true;
+        this.flagOutputDirty('result');
+      }
+    },
+    string: {
+      type: {
+        name: 'string'
+      },
+      displayName: 'String',
+      default: '',
+      set: function (value) {
+        value = value.toString();
+        this._internal.inputString = value;
+        this._internal.resultDirty = true;
+        this.flagOutputDirty('result');
+      }
+    }
+  },
+  outputs: {
+    result: {
+      type: 'string',
+      displayName: 'Result',
+      getter: function () {
+        var internal = this._internal;
+
+        if (internal.resultDirty) {
+          if (internal.endIndex === -1) {
+            internal.cachedResult = internal.inputString.substr(internal.startIndex);
+          } else {
+            internal.cachedResult = internal.inputString.substr(
+              internal.startIndex,
+              internal.endIndex - internal.startIndex
+            );
+          }
+          internal.resultDirty = false;
+        }
+        return internal.cachedResult;
+      }
+    }
+  }
+};
+
+module.exports = {
+  node: SubStringNode
+};