docs: Add tree-sitter-language-pack example transcript

aider/website/examples/tree-sitter-language-pack.md

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+---
+parent: Example chat transcripts
+nav_order: 9999
+layout: minimal
+---
+
+# Add language support via tree-sitter-language-pack
+
+<link rel="stylesheet" type="text/css" href="/assets/asciinema/asciinema-player.css" />
+
+<style>
+{% include recording.css %}
+</style>
+
+<script src="/assets/asciinema/asciinema-player.min.js"></script>
+<script>
+{% include recording.js %}
+</script>
+
+<div class="page-container">
+<div class="toast-container" id="toast-container"></div>
+<div class="terminal-container">
+  <div class="terminal-header">
+    <div class="terminal-buttons">
+      <div class="terminal-button terminal-close"></div>
+      <div class="terminal-button terminal-minimize"></div>
+      <div class="terminal-button terminal-expand"></div>
+    </div>
+    <div class="terminal-title">aider</div>
+  </div>
+  <div id="demo"></div>
+</div>
+</div>
+
+# Transcript
+
+- 0:01 We're going to add a ton of new languages to aider via tree-sitter-language-pack.
+- 0:10 First, lets try and find which languages it supports.
+- 1:00 Ok, there's a language definitions json file
+- 1:10 Does it have the github repos for each language?
+- 1:57 We need all the tags files from each language's repository. Let's have aider write a script to fetch them all.
+- 3:37 Looks like it can't find most of the tags.scm files.
+- 4:00 Have it try other branches besides master.
+- 5:02 Ok, it's downloading them now.
+- 5:55 Let's make it so we can re-run and avoid re-downloading.
+- 6:12 I see lots of tags files.
+- 6:30 Ok, restart to run with latest code. This will take awhile to fetch them all.
+- 9:02 The grep AST module needs to know about all the new languages.
+- 9:45 Let's have aider add them all, including their file extensions.
+- 10:15 Some of the languages need to be recognized by their base name, not extension.
+- 11:15 Let's sanity check if grep AST can handle PowerShell now.
+- 12:00 Looks like it's parsing PowerShell fine.
+- 13:00 Ok, let's download the tags into the right spot in the aider repo.
+- 14:00 This will take a minute...
+- 16:30 Delete some bad or empty tags files.
+- 16:50 Add the tags to the repo.
+- 17:50 The tags files need to be modified to work with the repo-map.
+- 17:30 Let's use bash to script aider to modify each tags file.
+- 18:25 I'm giving aider a read-only example of working tags file, as an example to follow.
+- 19:37 Looks like it correctly updated the first couple of tags files.
+- 20:22 Let's grep to watch how many name tags are left to be updated.
+- 21:00 This is going to take a little while...
+- 25:00 Let's add a README file with attribution for these tags files.
+- 27:26 Ok, all the tags files are updated.
+- 27:40 Let's add test coverage to be sure these languages work with the repo-map.
+- 27:50 Dump the fixtures directory structure to a file, to give aider so it knows the layout.
+- 28:30 Use a bash script to ask aider to add test coverage for each tags file.
+- 28:45 Let aider read the fixtures directory listing.
+- 29:20 Just fixing the bash to correctly iterate through the list of tags files.
+- 30:11 Improve the prompt to make sure aider creates a fixture for each language.
+- 31:00 Lets run the repo-map tests to see if the new test works.
+- 31:11 Arduino failed, with an empty repo-map?
+- 33:16 Oh! I'm not using the updated grep AST yet.
+- 33:26 Ok, now we're parsing Arduino code properly.
+- 33:41 A regression with tsx?
+- 34:11 Can aider figure out why?
+- 34:40 Let's check the parsers map.
+- 35:30 Well, that's all for this recording.
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