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Use Gemini to interpret a TypeScript identifier and brainstorm clearer names—not to decide its meaning from the name alone or rename code blindly. Give it the declaration and relevant usage, ask it to explain its interpretation first, then review any suggestions and apply an accepted rename with your TypeScript-aware editor.
First clarify what “ID” means in your code
“ID” can mean a source-code identifier—the name of a variable, function, type, or other symbol—or a value such as a database ID. Those are different questions. Point Gemini to the specific declaration and enough surrounding code to show how the symbol is used. If it is a value rather than a symbol name, ask about the value’s role without implying that the value itself should be renamed.
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Gemini can only infer intent from the context you provide. A long name may be unclear because it is redundant, but its meaning may depend on a type, call site, domain rule, or local naming convention. Ask it to state what it can infer and what remains uncertain before proposing replacements.
Use a prompt that separates interpretation from naming
Google’s Gemini API prompt guidance recommends specific instructions, examples when useful, stepwise tasks, and an explicit output format. For a long context, Google generally recommends placing the question after the context. These are prompt-design recommendations, not guarantees that Gemini will notice every relevant detail.
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Paste the declaration and only the usage or type context needed to understand it, then adapt this prompt:
I’m reviewing this TypeScript code. First explain what `veryLongIdentifierName` appears to represent, using only evidence in the snippet. If you cannot tell, say what context is missing. Then suggest 3 concise replacement names that preserve the apparent meaning and match [camelCase/PascalCase/our stated convention]. For each, give a one-sentence rationale. Do not rewrite the code or change behavior.
```ts
// Include the declaration and only enough relevant call sites or type context
```Replace the bracketed convention with the style that applies to the symbol. If your project has a written naming rule, include the relevant line or a few representative names. You can follow up by asking Gemini to compare two candidates against the same code context. Avoid sending secrets, credentials, or unrelated source.
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Choose the amount of code to share
For a single symbol, a focused snippet is often sufficient to ask for suggestions. Add context only when it helps explain behavior or naming. For a larger codebase, consider whether Gemini needs one relevant file, a small set of files, or repository-level context; more input is not automatically better, and a service’s upload limits and data-handling terms matter before you share source.
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1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errors| Input route | Documented scope or limit | When it may fit |
|---|---|---|
| Paste a snippet in Gemini Apps | Gemini Apps documents up to 10 files per prompt in general; pasted text is subject to the selected experience’s limits. Google notes that limits and features can vary by plan. See Gemini Apps file upload help. | A declaration and a few relevant call sites that fit comfortably in the prompt. |
| Upload a code folder or GitHub repository to Gemini Apps | Google documents one code folder or GitHub repository up to 5,000 files and 100 MB, subject to availability. The help page warns that larger input can cause missed connections or details. Limits and availability may change. See Gemini Apps file upload help. | When the identifier’s meaning depends on broader project context and repository upload is available in your account. |
| Provide inline content to the Gemini API | The API documentation says to use the Files API when the total request size—including files, prompt, and system instructions—is larger than 100 MB. See Google AI for Developers: Files API. | Smaller API requests that fit the applicable request constraints. |
| Use the Gemini API Files service | Google documents a 50 MB limit for PDFs, 20 GB total storage per project, up to 2 GB per file, and 48-hour file storage. These are API limits, not Gemini Apps limits. See Google AI for Developers: Files API. | API requests whose total size exceeds 100 MB, or workflows that need the Files service. |
Google’s Gemini Apps limits and feature availability can change, so check the help page and the options shown in your account before relying on them. Gemini API limits apply to API workflows, not uploads in Gemini Apps. Google also documents Gemini models with context windows of one million or more tokens, but the available window depends on the model and access; do not assume your selected model or account includes a particular size. Its long-context guidance recommends placing the question after lengthy context in most cases.
Review the suggestions against the code
Do not accept a candidate just because it is shorter. Check that it describes the symbol’s actual role, fits the type and call sites, and follows local conventions. If Gemini cannot explain the meaning from the snippet, provide relevant context or resolve the ambiguity yourself before renaming.
- Confirm the suggestion preserves the distinction between similar concepts in the domain.
- Check whether the identifier is part of a public API or otherwise relied on outside the code you can see; renaming it may have consequences beyond local readability.
- Prefer a name that is clear in its actual use, rather than merely concise in isolation.
Apply an accepted rename with TypeScript tooling
Once you have chosen a name, use your editor’s TypeScript symbol rename or refactoring command instead of asking Gemini to rewrite every occurrence or doing a blind text replacement. TypeScript’s documentation explains that you can right-click a symbol and use refactoring to rename it; editor support and exact labels vary.
- In your TypeScript-aware editor, locate the symbol declaration or a reference to it.
- Use the editor’s symbol rename/refactoring action. TypeScript’s guide demonstrates right-clicking the symbol and choosing the rename refactoring; consult your editor’s current menu labels if they differ.
- Enter the chosen name and review the proposed references before confirming.
- Inspect the diff to make sure only intended symbol references changed, then run the project’s available TypeScript checks or diagnostics and address any issues.
A symbol-aware rename is intended to act on the symbol, whereas a text replacement can also affect unrelated strings or similarly spelled names. Still, inspect the edits: behavior depends on the editor and project configuration.
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