Simple & Advanced Search in VS Code with Sourcegraph
Prosper Otemuyiwa
Posted on February 10, 2022
The hallmark of fast and productive developers is finding and deploying resources quickly to succeed in their projects. Software is eating the world. The rapid digital transformation has led to countless innovations & services that improve people's lives all over the world. However, it's not been easy for developers.
Sourcegraph universal code search enables developers to find and fix things fast across the complex universe of interdependent codebases – various programming languages, code hosts, repositories, version control systems, services, and APIs.
Simple and Advanced Search in VS Code
Sourcegraph released a VS Code extension that enables any developer to search over two million open source repositories right from inside VS Code IDE—for free.
With Sourcegraph for VS Code, you can:
- Learn from open source code examples
- Search best practices
- Copy and paste code from open-source land.
- Sync your private code and search it within VS Code.
How to Install Sourcegraph VS Code Extension
Open VS Code.
Search for "Sourcegraph for VS Code" in the extensions marketplace.
Note: An alternative way is to install directly from the VS Code marketplace.
- Click on the wildcard icon on the Activity Bar to launch the extension, as shown in the image below:
- Search for code!
Code Search with Sourcegraph in VS Code
Sourcegraph supports three modes of code search:
- Literal
- Regular Expression
- Structural
Literal Search in VS Code
Sourcegraph allows you to search for the exact string you are looking for in the codebase in a literal search pattern. For example, you can find function calls, comments, error messages, etc.
With literal Search, you can find function calls, error messages, comments, notes etc. For instance, if you want to search for "palindrome" you can search like so:
Example: Search for palindrome code samples
For more info, check out a detailed article about literal expression search on Sourcegraph.
Regular Expression Search in VS Code
Sourcegraph enables the mode to harness regular expression in code search. You need to allow the regular expression mode on the search box by clicking on the *
sign on the right.
Example: Find code samples for the following Promise cases in JavaScript. Promise.any
, Promise.all
, Promise.allSettled
and Promise.case
To learn more, check out a detailed article about regular expression search on Sourcegraph.
Structural Search in VS Code
Structural Search gives you the ability to copy-paste code blocks into the search box and get accurate results returned.
First, enable the structural search mode by clicking on the [ ]
sign on the right:
Example: Find code samples of try and catch
in JavaScript code.
To learn more, check out a detailed article about structural search on Sourcegraph.
Private Code Search in VS Code
The VS Code extension provides private code search. It allows you add and search your own code. To search for private code, you'll need to do the following:
If you don't have an account on Sourcegraph, create one.
On Sourcegraph Cloud, navigate to Access tokens in your account settings and generate a new token.
Click to generate access token
- Copy the newly generated token, and navigate to the Sourcegraph extension.
Copy the newly generated access token
- Paste the token into the access token input field in the extension's sidebar.
Paste the generated access token into Sourcegraph VS Code extension
- The Editor will be reloaded automatically to use the newly added token.
Conclusion
Sourcegraph for VS Code brings the power of Sourcegraph query language into your IDE. Now, you are building & leveraging advanced code search in the same environment. One more step to optimizing your developer productivity!
You can also run Sourcegraph locally, or opt-in for us to set up a managed Sourcegraph instance for your team. You'll be able to use a self-hosted Sourcegraph instance for free (up to 10 users).
Have suggestions or questions? Leave a comment, or join our Community Slack Space where our team will be happy to answer any questions you may have about Sourcegraph.
Posted on February 10, 2022
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