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# functions
  • p
    đź‘Ť Works for me!
  • w
    you can use environment variables, but they're not technically secrets because they're not encrypted
  • w
    so if you're just looking to store like an API key or something like that, that's what I'd use
  • w
    then you just reference it in your code like a variable but in ALL_CAPS
  • w
    okay maybe not, but i did read it was possible
  • w
    But yeah if somebody knows how to reference environment variables in a function, or to create secrets, I would appreciate understanding that as well
  • g
    Just use 
    .on()
    multiple times! So:
    Copy code
    js
new HTMLRewriter().on('div', {}).on('img', {})
  • g
    env.MY_ENV_VAR
    And you could use KV if you need to encrypt these secrets right now. But official secrets support is not far away.
  • w
    I mean, they’re not visible to anybody other than you guys right?
  • w
    And anyone with access to the configuration page
  • g
    Environment variables are stored as plain text, and yeah, can be seen by a select few of the Cloudflare team, as well as anyone who has access to your account.
  • w
    Whereas secrets can only be seen by machines once they are stored
  • g
    Correct
  • g
    And I believe KV is similarly encrypted, (but you can see those values yourself if you look them up in dash)
  • w
    But yeah this is another example of my biggest request for you guys, I couldn’t find a single thing showing me an example of that and I looked pretty hard. But I’m sure to somebody who does JavaScript a lot, it’s just painfully obvious.
  • g
    Docs are open-source, so feel free to submit a PR with improvements!
  • w
    Oh interesting, I did see the links to GitHub but I had no idea that it was something you guys actually like wanted people to do
  • w
    I mean I don’t think the docs are bad, they are just written for people who are full-time engineers. and you guys have built something that’s useful enough to the wide world, that a lot of people would benefit from having a “documentation for people who know enough to set this up but don’t do this professionally”
  • w
    So yeah, I’ll take a look at writing a version of the functions page that does that.
  • d
    Is there a way to view function error logs in production?
  • g
    not yet, sorry. You should wrap your code in a try/catch and send errors to Sentry or something for observability
  • w
    @User I just tried this with the result: ReferenceError: env is not defined
  • g
    You’ve got to grab env from the context parameter.
  • w
    How do I do that?
  • w
    Is that just context.env,VAR
  • w
    Oh I think I might understand
  • w
    I had to add it here: const { latitude, longitude, city, country, timezone, env } = request.cf
  • w
    Oh I see what it is, it’s up above
  • k
    That's why the open source nature, majority of people writing those docs are the people who made the stuff, it's often difficult to think about it in other people's shoes imo
  • d
    wrong erwin :D
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