Feat/embedded fonts (#2174)

* #239 Embedded fonts

* Add boilerplate for font table

* Fix linting

* Fix linting

* Fix odttf naming

* Correct writing of fonts to relationships and font table

new uuid function

* Add font to run

* Add demo

Fix tests

* Add character set support

* Add tests

* Write tests

src/export/packer/next-compiler.spec.ts

@@ -36,7 +36,7 @@ describe("Compiler", () => {
                 const fileNames = Object.keys(zipFile.files).map((f) => zipFile.files[f].name);
 
                 expect(fileNames).is.an.instanceof(Array);
-                expect(fileNames).has.length(17);
+                expect(fileNames).has.length(19);
                 expect(fileNames).to.include("word/document.xml");
                 expect(fileNames).to.include("word/styles.xml");
                 expect(fileNames).to.include("docProps/core.xml");
@@ -47,7 +47,9 @@ describe("Compiler", () => {
                 expect(fileNames).to.include("word/_rels/footnotes.xml.rels");
                 expect(fileNames).to.include("word/settings.xml");
                 expect(fileNames).to.include("word/comments.xml");
+                expect(fileNames).to.include("word/fontTable.xml");
                 expect(fileNames).to.include("word/_rels/document.xml.rels");
+                expect(fileNames).to.include("word/_rels/fontTable.xml.rels");
                 expect(fileNames).to.include("[Content_Types].xml");
                 expect(fileNames).to.include("_rels/.rels");
             },
@@ -94,7 +96,7 @@ describe("Compiler", () => {
                 const fileNames = Object.keys(zipFile.files).map((f) => zipFile.files[f].name);
 
                 expect(fileNames).is.an.instanceof(Array);
-                expect(fileNames).has.length(25);
+                expect(fileNames).has.length(27);
 
                 expect(fileNames).to.include("word/header1.xml");
                 expect(fileNames).to.include("word/_rels/header1.xml.rels");
@@ -127,12 +129,10 @@ describe("Compiler", () => {
             const spy = vi.spyOn(compiler["formatter"], "format");
 
             compiler.compile(file);
-            expect(spy).toBeCalledTimes(13);
+            expect(spy).toBeCalledTimes(15);
         });
 
         it("should work with media datas", () => {
-            // This test is required because before, there was a case where Document was formatted twice, which was inefficient
-            // This also caused issues such as running prepForXml multiple times as format() was ran multiple times.
             const file = new File({
                 sections: [
                     {
@@ -182,5 +182,14 @@ describe("Compiler", () => {
 
             compiler.compile(file);
         });
+
+        it("should work with fonts", () => {
+            const file = new File({
+                sections: [],
+                fonts: [{ name: "Pacifico", data: Buffer.from("") }],
+            });
+
+            compiler.compile(file);
+        });
     });
 });

src/export/packer/next-compiler.ts

@@ -2,6 +2,7 @@ import JSZip from "jszip";
 import xml from "xml";
 
 import { File } from "@file/file";
+import { obfuscate } from "@file/fonts/obfuscate-ttf-to-odttf";
 
 import { Formatter } from "../formatter";
 import { ImageReplacer } from "./image-replacer";
@@ -31,6 +32,8 @@ interface IXmlifyedFileMapping {
     readonly FootNotesRelationships: IXmlifyedFile;
     readonly Settings: IXmlifyedFile;
     readonly Comments?: IXmlifyedFile;
+    readonly FontTable?: IXmlifyedFile;
+    readonly FontTableRelationships?: IXmlifyedFile;
 }
 
 export class Compiler {
@@ -63,6 +66,11 @@ export class Compiler {
             zip.file(`word/media/${fileName}`, stream);
         }
 
+        for (const { data: buffer, name, fontKey } of file.FontTable.fontOptionsWithKey) {
+            const [nameWithoutExtension] = name.split(".");
+            zip.file(`word/fonts/${nameWithoutExtension}.odttf`, obfuscate(buffer, fontKey));
+        }
+
         return zip;
     }
 
@@ -439,6 +447,40 @@ export class Compiler {
                 ),
                 path: "word/comments.xml",
             },
+            FontTable: {
+                data: xml(
+                    this.formatter.format(file.FontTable.View, {
+                        viewWrapper: file.Document,
+                        file,
+                        stack: [],
+                    }),
+                    {
+                        indent: prettify,
+                        declaration: {
+                            standalone: "yes",
+                            encoding: "UTF-8",
+                        },
+                    },
+                ),
+                path: "word/fontTable.xml",
+            },
+            FontTableRelationships: {
+                data: (() =>
+                    xml(
+                        this.formatter.format(file.FontTable.Relationships, {
+                            viewWrapper: file.Document,
+                            file,
+                            stack: [],
+                        }),
+                        {
+                            indent: prettify,
+                            declaration: {
+                                encoding: "UTF-8",
+                            },
+                        },
+                    ))(),
+                path: "word/_rels/fontTable.xml.rels",
+            },
         };
     }
 }