Simple import and export of document

demo/85-template-document.ts

@@ -0,0 +1,8 @@
+// Simple template example
+// Import from 'docx' rather than '../build' if you install from npm
+import * as fs from "fs";
+import { fromDocx } from "../build";
+
+fromDocx(fs.readFileSync("demo/template.docx")).then((doc) => {
+    fs.writeFileSync("My Document.docx", doc);
+});

src/index.ts

@@ -5,3 +5,4 @@ export * from "./file";
 export * from "./export";
 export * from "./import-dotx";
 export * from "./util";
+export * from "./templater";

src/templater/from-docx.ts

@@ -0,0 +1,42 @@
+import * as JSZip from "jszip";
+import { xml2js, ElementCompact, js2xml } from "xml-js";
+
+// eslint-disable-next-line functional/prefer-readonly-type
+type InputDataType = Buffer | string | number[] | Uint8Array | ArrayBuffer | Blob | NodeJS.ReadableStream;
+
+export const fromDocx = async (data: InputDataType): Promise<Buffer> => {
+    const zipContent = await JSZip.loadAsync(data);
+
+    const map = new Map<string, ElementCompact>();
+
+    for (const [key, value] of Object.entries(zipContent.files)) {
+        const json = toJson(await value.async("text"));
+        map.set(key, json);
+    }
+
+    const zip = new JSZip();
+
+    for (const [key, value] of map) {
+        const output = toXml(value);
+
+        zip.file(key, output);
+    }
+
+    const zipData = await zip.generateAsync({
+        type: "nodebuffer",
+        mimeType: "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
+        compression: "DEFLATE",
+    });
+
+    return zipData;
+};
+
+const toJson = (xmlData: string): ElementCompact => {
+    const xmlObj = xml2js(xmlData, { compact: false }) as ElementCompact;
+    return xmlObj;
+};
+
+const toXml = (jsonObj: ElementCompact): string => {
+    const output = js2xml(jsonObj);
+    return output;
+};

src/templater/index.ts

@@ -0,0 +1 @@
+export * from "./from-docx";