You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
2.0 KiB
58 lines
2.0 KiB
/** |
|
* Utility for resolving a module relative to another module |
|
* @author Teddy Katz |
|
*/ |
|
|
|
"use strict"; |
|
|
|
const Module = require("module"); |
|
const path = require("path"); |
|
|
|
// Polyfill Node's `Module.createRequire` if not present. We only support the case where the argument is a filepath, not a URL. |
|
const createRequire = ( |
|
|
|
// Added in v12.2.0 |
|
Module.createRequire || |
|
|
|
// Added in v10.12.0, but deprecated in v12.2.0. |
|
Module.createRequireFromPath || |
|
|
|
// Polyfill - This is not executed on the tests on node@>=10. |
|
/* istanbul ignore next */ |
|
(filename => { |
|
const mod = new Module(filename, null); |
|
|
|
mod.filename = filename; |
|
mod.paths = Module._nodeModulePaths(path.dirname(filename)); // eslint-disable-line no-underscore-dangle |
|
mod._compile("module.exports = require;", filename); // eslint-disable-line no-underscore-dangle |
|
return mod.exports; |
|
}) |
|
); |
|
|
|
module.exports = { |
|
|
|
/** |
|
* 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` |
|
*/ |
|
resolve(moduleName, relativeToPath) { |
|
try { |
|
return createRequire(relativeToPath).resolve(moduleName); |
|
} catch (error) { |
|
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; |
|
} |
|
} |
|
};
|
|
|