this post was submitted on 26 Jun 2024
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Perchance - Create a Random Text Generator

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⚄︎ Perchance

This is a Lemmy Community for perchance.org, a platform for sharing and creating random text generators.

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This community is mainly for discussions between those who are building generators. For discussions about using generators, especially the popular AI ones, the community-led Casual Perchance forum is likely a more appropriate venue.

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[Help] [Solved] Filtering list by initial letter results in selectOne errors (perchance.org)
submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/[email protected]
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Hi all! Total Perchance newbie here, so I sincerely apologize if this is obvious/already been answered. Been having fun tinkering with it, but got this weird bug...

I've got a bit of a scuffed loop set up to select a word for each letter input by the user. However, the output of filterList() isn't happy with my using selectOne on it, producing an extra two undefineds for some strange reason. I don't know if it's maybe related to the way I'm filtering the list or some other bug? Anyone know why this is happening/a better way to do it?

Thanks for all y'all's help!

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[–] BluePower 2 points 4 months ago* (last edited 4 months ago) (2 children)

You can prevent the output from accidentally evaluating the selectOne of empty n arrays by just not evaluating the <span contenteditable ... part when that empty array has no length (basically you put a condition in which if n isn't empty then evaluate the span word element, which eliminates that syntax error problem):

You can also check for n.length > 0 instead of n.length. Also pretty cool generator concept! A random letter generator button might be a good idea. Here's how would you implement this using a list and a button:

letter
  ["{A-Z}".selectMany(Math.floor(Math.random()*4)+1)]

<input id="acronymInput" oninput="acronym = this.value" placeholder="type an acronym :)" value="TPK" />
<button onclick="ltr = letter.evaluateItem, acronymInput.value = ltr, acronym = ltr, count = -1, update()">random letter</button>
[–] [email protected] 1 points 4 months ago (1 children)

Bless, thank you for your wisdom! That seems to have patched it -- is there a way to mark this post as solved? I suppose this is a more foolproof way of negotiating user input if it isn't an actual letter, for example.

[–] [email protected] 2 points 4 months ago

@xfebruary You could simply tag the post as solved, simply by adding [Solved] to the title of the post.