Set text field value as a string when it's for a date or a time (bug 1868503)

src/scripting_api/common.js

@@ -49,7 +49,7 @@ function getFieldType(actions) {
   if (format.startsWith("AFDate_")) {
     return FieldType.date;
   }
-  if (format.startsWith("AFTime__")) {
+  if (format.startsWith("AFTime_")) {
     return FieldType.time;
   }
   return FieldType.none;

src/scripting_api/field.js

@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-import { createActionsMap, getFieldType } from "./common.js";
+import { createActionsMap, FieldType, getFieldType } from "./common.js";
 import { Color } from "./color.js";
 import { PDFObject } from "./pdf_object.js";
 
@@ -245,7 +245,12 @@ class Field extends PDFObject {
       return;
     }
 
-    if (value === "" || typeof value !== "string") {
+    if (
+      value === "" ||
+      typeof value !== "string" ||
+      // When the field type is date or time, the value must be a string.
+      this._fieldType >= FieldType.date
+    ) {
       this._originalValue = undefined;
       this._value = value;
       return;

test/unit/scripting_spec.js

@@ -971,6 +971,76 @@ describe("Scripting", function () {
           value: "4/15/07 3:14 am",
         });
       });
+
+      it("should format a date", async () => {
+        const refId = getId();
+        const data = {
+          objects: {
+            field: [
+              {
+                id: refId,
+                value: "",
+                actions: {
+                  Format: [`AFDate_FormatEx("mmddyyyy");`],
+                  Keystroke: [`AFDate_KeystrokeEx("mmddyyyy");`],
+                },
+                type: "text",
+              },
+            ],
+          },
+          appInfo: { language: "en-US", platform: "Linux x86_64" },
+          calculationOrder: [],
+          dispatchEventName: "_dispatchMe",
+        };
+
+        sandbox.createSandbox(data);
+        await sandbox.dispatchEventInSandbox({
+          id: refId,
+          value: "12062023",
+          name: "Keystroke",
+          willCommit: true,
+        });
+        expect(send_queue.has(refId)).toEqual(true);
+        expect(send_queue.get(refId)).toEqual({
+          id: refId,
+          siblings: null,
+          value: "12062023",
+          formattedValue: "12062023",
+        });
+        send_queue.delete(refId);
+
+        await sandbox.dispatchEventInSandbox({
+          id: refId,
+          value: "1206202",
+          name: "Keystroke",
+          willCommit: true,
+        });
+        expect(send_queue.has(refId)).toEqual(true);
+        expect(send_queue.get(refId)).toEqual({
+          id: refId,
+          siblings: null,
+          value: "",
+          formattedValue: null,
+          selRange: [0, 0],
+        });
+        send_queue.delete(refId);
+
+        sandbox.createSandbox(data);
+        await sandbox.dispatchEventInSandbox({
+          id: refId,
+          value: "02062023",
+          name: "Keystroke",
+          willCommit: true,
+        });
+        expect(send_queue.has(refId)).toEqual(true);
+        expect(send_queue.get(refId)).toEqual({
+          id: refId,
+          siblings: null,
+          value: "02062023",
+          formattedValue: "02062023",
+        });
+        send_queue.delete(refId);
+      });
     });
 
     describe("AFRange_Validate", function () {