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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; | |
| } | |
| } | |
| }; |