Moved addTableOfContents to File and creating a settings.xml and applying updateFields=true when there is a table of contents

src/file/settings/settings.spec.ts

@@ -0,0 +1,78 @@
+import { expect } from "chai";
+
+import { Formatter } from "../../export/formatter";
+import { Settings } from "./";
+
+describe("Settings", () => {
+    describe("#constructor", () => {
+        it("should create a empty Settings with correct rootKey", () => {
+            const settings = new Settings();
+            const tree = new Formatter().format(settings);
+            let keys = Object.keys(tree);
+
+            expect(keys).is.an.instanceof(Array);
+            expect(keys).has.length(1);
+            expect(keys[0]).to.be.equal("w:settings");
+
+            expect(tree["w:settings"]).is.an.instanceof(Array);
+            expect(tree["w:settings"]).has.length(1);
+
+            keys = Object.keys(tree["w:settings"][0]);
+            expect(keys).is.an.instanceof(Array);
+            expect(keys).has.length(1);
+            expect(keys[0]).to.be.equal("_attr");
+        });
+    });
+
+    describe("#addUpdateFields", () => {
+        const assertSettingsWithUpdateFields = (settings: Settings) => {
+            const tree = new Formatter().format(settings);
+            let keys = Object.keys(tree);
+
+            expect(keys).is.an.instanceof(Array);
+            expect(keys).has.length(1);
+            expect(keys[0]).to.be.equal("w:settings");
+
+            const rootArray = tree["w:settings"];
+            expect(rootArray).is.an.instanceof(Array);
+            expect(rootArray).has.length(2);
+
+            keys = Object.keys(rootArray[0]);
+            expect(keys).is.an.instanceof(Array);
+            expect(keys).has.length(1);
+            expect(keys[0]).to.be.equal("_attr");
+
+            keys = Object.keys(rootArray[1]);
+            expect(keys).is.an.instanceof(Array);
+            expect(keys).has.length(1);
+            expect(keys[0]).to.be.equal("w:updateFields");
+
+            const updateFieldsArray = rootArray[1]["w:updateFields"];
+            keys = Object.keys(updateFieldsArray[0]);
+            expect(keys).is.an.instanceof(Array);
+            expect(keys).has.length(1);
+            expect(keys[0]).to.be.equal("_attr");
+
+            const updateFieldsAttr = updateFieldsArray[0]._attr;
+            expect(updateFieldsAttr["w:val"]).to.be.equal(true);
+        };
+
+        it("should add a UpdateFields with value true", () => {
+            const settings = new Settings();
+            settings.addUpdateFields();
+
+            assertSettingsWithUpdateFields(settings);
+        });
+
+        it("should add a UpdateFields with value true only once", () => {
+            const settings = new Settings();
+            settings.addUpdateFields();
+
+            assertSettingsWithUpdateFields(settings);
+
+            settings.addUpdateFields();
+
+            assertSettingsWithUpdateFields(settings);
+        });
+    });
+});