const docx = require('docx@6.0.1');
const fs = require('fs');
const request = require('request@2.88.0');
const express = require("@runkit/runkit/express-endpoint/1.0.0");
const app = express(exports);
const {
Document,
HorizontalPositionAlign,
HorizontalPositionRelativeFrom,
ImageRun,
Media,
Packer,
Paragraph,
VerticalPositionAlign,
VerticalPositionRelativeFrom,
} = docx;
// https://stackoverflow.com/questions/12740659/downloading-images-with-node-js
const download = (uri, filename, callback) => {
request.head(uri, (err, res, body) => {
request(uri).pipe(fs.createWriteStream(filename)).on('close', callback);
});
};
const URL = 'https://raw.githubusercontent.com/dolanmiu/docx/ccd655ef8be3828f2c4b1feb3517a905f98409d9/demo/images/cat.jpg';
app.get("/", (req, res) => {
download(URL, 'cat.jpg', async () => {
const doc = new Document({
sections: [{
children: [
new Paragraph("Hello World"),
new Paragraph({
children: [
new ImageRun({
data: fs.readFileSync("./cat.jpg"),
transformation: {
width: 100,
height: 100,
}
}),
],
}),
new Paragraph({
children: [
new ImageRun({
data: fs.readFileSync("./cat.jpg"),
transformation: {
width: 200,
height: 200,
},
floating: {
horizontalPosition: {
offset: 1014400,
},
verticalPosition: {
offset: 1014400,
},
},
}),
],
}),
new Paragraph({
children: [
new ImageRun({
data: fs.readFileSync("./cat.jpg"),
transformation: {
width: 200,
height: 200,
},
floating: {
horizontalPosition: {
relative: HorizontalPositionRelativeFrom.PAGE,
align: HorizontalPositionAlign.RIGHT,
},
verticalPosition: {
relative: VerticalPositionRelativeFrom.PAGE,
align: VerticalPositionAlign.BOTTOM,
},
},
}),
],
}),
],
}],
});
const b64string = await Packer.toBase64String(doc);
res.setHeader('Content-Disposition', 'attachment; filename=My Document.docx');
res.send(Buffer.from(b64string, 'base64'));
});
})
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