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/**
* Utility for resolving a module relative to another module
* @author Teddy Katz
*/
import Module from "module";
/*
* `Module.createRequire` is added in v12.2.0. It supports URL as well.
* We only support the case where the argument is a filepath, not a URL.
*/
const createRequire = Module.createRequire;
/**
* Resolves a Node module relative to another module
* @param {string} moduleName The name of a Node module, or a path to a Node module.
* @param {string} relativeToPath An absolute path indicating the module that `moduleName` should be resolved relative to. This must be
* a file rather than a directory, but the file need not actually exist.
* @returns {string} The absolute path that would result from calling `require.resolve(moduleName)` in a file located at `relativeToPath`
*/
function resolve(moduleName, relativeToPath) {
try {
return createRequire(relativeToPath).resolve(moduleName);
} catch (error) {
// This `if` block is for older Node.js than 12.0.0. We can remove this block in the future.
if (
typeof error === "object" &&
error !== null &&
error.code === "MODULE_NOT_FOUND" &&
!error.requireStack &&
error.message.includes(moduleName)
) {
error.message += `\nRequire stack:\n- ${relativeToPath}`;
}
throw error;
}
}
export {
resolve
};
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