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- /**
- * 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;
- }
- }
- };
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