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No spam ever, unsubscribe at any time. How to download a file in Node. Built-in modules Node. Check out our hands-on, practical guide to learning Git, with best-practices, industry-accepted standards, and included cheat sheet. Stop Googling Git commands and actually learn it! The pdfkit module also provides options that can be used to style text in your PDF documents.
We will take a look at some of the more important styling options, you can find the full list of options in the PDF Guide. We can pass different options as key-value pairs to the text function, and also chain several other functions before calling text at all. A very important thing to note is that chained functions, such as fillColor and later font , fontSize , etc.
Changing styles in the middle of a paragraph is slightly more complicated, since chaining multiple text functions adds a new line after each by default. We can avoid this by setting the lineBreak option of the first text call to false :. To add a list of items in your PDF document, the PDFDocument instance has a list function that takes in an array of string items or nested arrays of strings and displays them as a bullet list:.
Any of these fonts can be passed to the font function of the PDFDocument class, and chained with text :. You can also add additional fonts by passing the path to the font file as an argument to the font function, as well as the name of the specific font you want in case the file has a collection of fonts. Alternatively, you can give the new font a name so that it can be accessed by that name instead of the file path:. Calls to font can be chained with other functions, just as in the fillColor example.
You can also set the font size by using the fontSize function. Let's take a look at some examples:. Another common thing you might want to add to your PDF files is images.
You can call the image function on the document instance and pass the path or the URI of the image you want to include.
You can also set options like the width, height, horizontal and vertical alignment of the image by passing an object containing key-value pairs as an argument to the image function. By default, images are loaded in their original size. If you set the width and height - the image will be stretched to fit within the specified parameters.
If one of these is omitted, the image is scaled proportionally to the provided parameter:. You can also scale the image by giving a scale factor. Additionally, you can give a fit or cover array, where the image will be scaled to either fit the provided rectangle, or cover it, respectively. If you do provide a fit or cover array, you can also set the horizontal alignment align and the vertical alignment valign :.
In this article we have seen how to generate PDF files in Node. We have explored some of the options available for formatting text and how to add images to our files. The library has extensive documentation that covers a lot more on creating PDF files in Node.
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