Putting the AI in JetBrAIns

by Marit van Dijk

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Putting the AI in JetBrAIns Marit van Dijk Developer Advocate

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https://blog.jetbrains.com/blog/2023/12/06/introducing-jetbrains-ai-and-the-in-ide-ai-assistant/

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https://www.youtube.com/watch?v=SN51H_q9wBg

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AI has always been a part of JetBrAIns  — https://www.youtube.com/watch?v=-NnYtfzO7qU

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Our approach to building AI Assistant into our products has been focused on two main aspects: 1. Weaving the AI assistance into the core IDE user workflows. 2. Building AI features that are deeply infused with an understanding of your code and its context, which has always been a strong suit of JetBrains IDEs. Introducing JetBrains AI

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With AI Assistant, you can: ● Chat, ask questions, and refine solutions. ● Generate code, tests, commit messages, documentation, and code translations. ● Explain code, commits, runtime errors, SQL queries, regexes and cron fragments. ● Suggest names, refactor, and find issues. ● Resolve merge conflicts, write SQL queries for your database, generate commands in the New Terminal Features

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Generate and improve commit messages, explain commit(s), resolve merge conflicts Continue prompting, add context & commands Generate, explain, refactor code, write tests & documentation Ask questions, edit & save prompts, see context, use code Explain runtime errors, write commands in new terminal, get help with SQL queries in console

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JetBrains AI Assistant  —

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Plugin

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Chat  —

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Chat ● LLMs are good at chat 😁 ● We can ● Ask how to do things ● Ask follow up questions

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Chat ● Integrated into the IDE ● Context aware ● Can call back to the IDE

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Chat ● Ask about your project ● Ask VCS related questions

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Chat ● Dump chat - see the context

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Chat ● Can add additional context

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Chat ● Can add additional context ● Tag files, symbols & more

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Code from chat ● Use code from chat: ● Copy to Clipboard ● Insert Snippet at Caret ● Create File from Snippet

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Chat ● Edit original prompt

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Chat ● Edit original prompt

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Prompts  —

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AI Actions ● Predefined prompts ● Available where you code ● Can add your own!

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Explain Code  —

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Explain code Selected code added to prompt

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Explain code Files added to prompt x

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Explain RegExp fragment

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Explain cron fragment

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Explain Spring Data QL fragment

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Chat about code

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Find and fix problems  —

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Find problems

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Find problems In commit

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Refactoring

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Refactor | Rename ● Now with AI generated suggestions!

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Explain Runtime Error  —

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Main point

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Custom prompts  —

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AI Actions Add Your Prompts...

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AI Actions Add Your Prompts...

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AI Actions Add Your Prompts...

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Custom prompts ● Save Current Prompt from chat

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Custom prompts ● Show in AI Actions ● Use from chat

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Code generation is important  —

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Code completion ● Auto completion while typing ● with syntax highlighting

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Code completion Cloud completion Local completion

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Code completion ● Shortcut for auto completion

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Code completion ● Shortcut to generate code ● According to your prompt

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Code completion ● Generate code in editor ● Can add a follow-up message

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Code completion ● Note: Might need small fixes ● (Alt+Enter is your friend)

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AI Actions Generate Code...

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AI Actions Generate Code...

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AI Actions Generate

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Documentation Write Documentation

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Tests Generate Unit Tests

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Tests Generate Unit Tests

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Work with VCS  —

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Generate commit message ● In the commit tool window ● According to default prompt

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Customize commit message generation

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Customize commit message generation

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Improve commit message ● Only for commits you haven't pushed!

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Explain commit ● Summarize changes in commit(s)

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Resolve merge conflicts  —

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Resolve merge conflicts

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Resolve merge conflicts

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Resolve merge conflicts

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New Terminal  —

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New Terminal ● Currently in beta ● Enable in Settings > Tools > Terminal

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Use AI Assistant in the New Terminal ● Ask AI Assistant to generate command

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Use AI Assistant in the New Terminal ● Ask AI Assistant to generate command

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Use AI Assistant in the New Terminal ● Ask AI Assistant to generate command ● And run the command

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