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Tom Johnson
2015-08-12 16:58:09 -07:00
parent e564f65040
commit 2a81d2a101
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doc_generating_pdfs.md
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@ -370,25 +370,24 @@ To generate the PDF, you just run several scripts that have the commands package
## JavaScript conflicts
I've noticed that when I have JavaScript in my pages, sometimes Prince doesn't like this, as it tries to process the JavaScript. As a result, it will create an error like this in Terminal:
If you have JavaScript on any of your pages, Prince will note errors in Terminal like this:
```
error: TypeError: value is not an object
```
It's better to conditionalize out any JavaScript from your PDF output before building your PDFs. If Prince encounters JavaScript on a page, it will give you this error:
```
prince: http://127.0.0.1:4002/designers/doc_shuffle.html:2: error: TypeError: value is not an object
```
However, the PDF will still build.
If you encounter this error, surround the JavaScript with conditional tags like this:
You need to conditionalize out any JavaScript from your PDF web output before building your PDFs. Make sure that the PDF configuration files have the `print: true` property.
Then surround the JavaScript with conditional tags like this:
```
{% raw %}
{% unless site.print == false %} javascript content here ... {% endunless %}
{% unless site.print == true %}
javascript content here ...
{% endunless %}
{% endraw %}
```
For more detail about using `unless` in conditional logic, see {{doc_conditional_logic}}. What this code means is basically the opposite of `{% raw %}if site.print == true {% endraw %}`.