How to use the optional-require.resolve function in optional-require
To help you get started, we’ve selected a few optional-require examples, based on popular ways it is used in public projects.
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electrode-io / electrode / packages / electrode-archetype-react-app-dev / lib / node-resolver.js View on Github 
function resolve(req, atPath) {
// can only resolve modules under node_modules
if (!isModuleRequest(req)) return undefined;
const splits = req.split("/");
const nameX = splits[0].startsWith("@") ? 2 : 1; // check for scoped module
const name = splits.slice(0, nameX).join("/");
//
// All modules must have package.json
//
const resolved = optionalRequire.resolve(
requireAt(atPath),
// ensure require request paths are POSIX
Path.posix.join(name, "package.json"),
false
);
if (!resolved) return undefined;
splits.splice(0, nameX, ".");
return {
path: Path.dirname(resolved),
request: splits.join("/")
};
}optional-require
NodeJS Require that let you handle module not found error without try/catch
