vscode-test.ts

import * as vscode from 'vscode';
import {existsSync,promises,readFileSync} from "fs"
import {resolve, posix, normalize} from "path"

let getFiles = async(dir) =>{

	
	const dirents = await promises.readdir(dir,{
		withFileTypes:true
	});

	let files = await Promise.all(dirents.map(dirent =>{
		const res = resolve(dir,dirent.name);
		return dirent.isDirectory() ? getFiles(res) : res;
	}))

	files = Array.prototype.concat(...files);
	let filetered = files.map(itm =>{

		// TODO file extension filtering 
		return itm;
	 
	}).filter(itm =>{
		if(itm !== undefined){
			return itm;
		}
	})


	return filetered;
}

export function activate(context: vscode.ExtensionContext) {



	let parsedFiles = getFiles(vscode.workspace.rootPath);

	parsedFiles.then(files => {

     
		let tmpTransformedSources = [];


		for(let i = 0; i < files.length; ++ i){

			let filePath = files[i];

			// get the base folder path relative to the current workspace
			let base = filePath.replace(vscode.workspace.rootPath,"");
			
			base = base.split(/[\/\\]+/g);
			base.pop();
			base =base.join('');
		
	

			// read the file
			let source = readFileSync(filePath,{
				encoding:"utf8"
			})

			// split source by newlines so it's a little simpler to find all include paths 
			let sourceChunks = source.split("\n");

			// loop through each line
			sourceChunks.forEach(chunk => {

				// if we found an include statement
				if(chunk.search("#include") !== -1){

					// get the filename of the file we want to load.
					let file = chunk.replace("#include ","");
					file = file.replace(/['"]+/g, '');

					let joined = vscode.workspace.rootPath + "/" + base + "/" + file;
					joined = posix.normalize(joined);
					joined = resolve(joined);

					if(existsSync(joined)){
						console.log("FOUND ", joined);
					}else{
						console.error("Could not find ", joined);
					}
				}
			})


		}

	});
}