Added support for w:fldSimple, including convenience class for simple MailMerge fields

src/file/paragraph/run/simple-field.spec.ts

@@ -0,0 +1,38 @@
+import { expect } from "chai";
+
+import { Formatter } from "export/formatter";
+
+import { SimpleField, SimpleMailMergeField } from "./simple-field";
+
+describe("SimpleField", () => {
+    describe("#constructor()", () => {
+        it("uses the instruction given", () => {
+            const tree = new Formatter().format(new SimpleField("FILENAME"));
+            expect(tree).to.deep.equal({ "w:fldSimple": { _attr: { "w:instr": "FILENAME" } } });
+        });
+
+        it("accepts a cached value", () => {
+            const tree = new Formatter().format(new SimpleField("FILENAME", "ExampleDoc.docx"));
+            expect(tree).to.deep.equal({
+                "w:fldSimple": [
+                    { _attr: { "w:instr": "FILENAME" } },
+                    { "w:r": [{ "w:t": [{ _attr: { "xml:space": "preserve" } }, "ExampleDoc.docx"] }] },
+                ],
+            });
+        });
+    });
+});
+
+describe("SimpleMailMergeField", () => {
+    describe("#constructor()", () => {
+        it("creates a simple field", () => {
+            const tree = new Formatter().format(new SimpleMailMergeField("Name"));
+            expect(tree).to.deep.equal({
+                "w:fldSimple": [
+                    { _attr: { "w:instr": " MERGEFIELD Name " } },
+                    { "w:r": [{ "w:t": [{ _attr: { "xml:space": "preserve" } }, "«Name»"] }] },
+                ],
+            });
+        });
+    });
+});