Extracting the variable value from a TypeScript file using a VS Code extension

Question

Extracting the variable value from a TypeScript file using a VS Code extension

Currently, I'm developing a VS Code extension that focuses on parsing OpenAPI specifications. These specifications are represented as a variable with a predetermined name within a TypeScript file.

Within my VS Code extension, I retrieve the document as a string:

const doc = vscode.window.activeTextEditor?.document;

I am trying to figure out the best way to extract the value of the variable from this string. I considered using an Abstract Syntax Tree (AST), but perhaps there is a more straightforward solution available.

typescript vscode-extensions abstract-syntax-tree

Answer 1

Answer №1

Unfortunately, VS Code does not come equipped with an AST or a similar API that relates to the document you have open. This means that if you require something like an AST for parsing a document, you will need to handle it within your extension.

However, on the bright side, VS Code offers the Go to Symbol command, which depends on each language extension to reveal the symbols within a document. Specifically, the variables symbol is accessible for the TypeScript language. Therefore, if you are looking to identify the variables within a document and their locations, you can utilize the

vscode.executeDocumentSymbolProvider

command.

Answer 2

Unfortunately, VS Code does not come equipped with an AST or a similar API that relates to the document you have open. This means that if you require something like an AST for parsing a document, you will need to handle it within your extension.

However, on the bright side, VS Code offers the Go to Symbol command, which depends on each language extension to reveal the symbols within a document. Specifically, the variables symbol is accessible for the TypeScript language. Therefore, if you are looking to identify the variables within a document and their locations, you can utilize the

vscode.executeDocumentSymbolProvider

command.

Extracting the variable value from a TypeScript file using a VS Code extension

Answer №1

Similar questions

Discovering the quantity of items with a specific value in Angular 8

Zoom in and out on a WebGL canvas created using Three.js using the mouse scroll wheel

String defines the type

Importing a member into a nested name may be achievable

Having difficulty resolving all parameters for the component: (?, [object Object]) in the Jasmine component Unit Test

What is the process for configuring ng e2e to run on a specific port?

What's the deal with TypeScript tsconfig allowing .json imports, but not allowing them in built .js files?

Enhance object position by utilizing Dragula and Angular 5 through dropping action

Executing a function from within a promise in JavaScript

Store the filereader output in a variable for future reference

When applying custom style rules to HTML and body tags using React JSS, the @global directive does not take effect

Last online activity on a website

Creating a data structure that filters out specific classes when returning an object

Container filled with AGM Maps

What is the best way to transfer an object from the view to the controller in AngularJS and ASP.net MVC

Is there a way to transfer the node_module folder to a different drive using npm without duplicating the API multiple times?

Issue with Angular 7 ngZone causing undefined error

Custom type checker that validates whether all properties of a generic object are not null or undefined

Enabling the use of an extensive interface when passing a function as a parameter in React with Typescript

Refresh an array prior to subscribing in Angular 2