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npm install -g swagger-spec-to-pdf


usage: swagger2pdf [-h] [-v] [-s SRC] [-o OUTPUT]

Optional arguments:
  -h, --help            Show this help message and exit.
  -v, --version         Show program's version number and exit.
  -s SRC, --src SRC     Swagger spec JSON file.
  -o OUTPUT, --output OUTPUT
                        Output path of the pdf file.


swagger2pdf -s ./swagger-spec-sample.json -o ./dump/
Wait several seconds


See: ./dump/swagger-spec-sample.pdf


Working Theory

  1. Read source swagger json spec
  2. Convert it into yaml format
  3. Dump yaml into the spec dir of swagger editor
  4. Use electron to render swagger editor page (nicely formatted api page)
  5. Dump the page into pdf

Swagger Editor

Version of swagger editor embedded is: 2.9.9
You can get it from: here
If you want to use some other version:

  • clone the repo
  • replace the editor in ./swagger-editor
  • Add codes below into the bottom of file swagger-editor/index.html
  • npm install .
<script type="text/javascript">
    $("document").ready(function() {
        setTimeout(function() {
            var fileMenuTimer = setInterval(function() {
                // open file menu 
                var fileMenu = $("#fileMenu");
                if (fileMenu.length) {
                    // open example selector 
                    var exampleButton = $("#open-example");
                    var exampleButtonTimer = setInterval(function() {
                        if (exampleButton.length) {
                            // click open button 
                            setTimeout(function() {
                                $(".modal-large .btn-primary").click();
                            }, 1000);
                    }, 300);
            }, 300);
        }, 1000);

Done, just use it.