| /** | |
| * Hoists a name from a module or promised module. | |
| * | |
| * @param module the module to hoist the name from | |
| * @param name the name to hoist | |
| * @returns the value on the module (or promised module) | |
| */ | |
| export function hoist(module: any, name: string) { | |
| // If the name is available in the module, return it. | |
| if (name in module) { | |
| return module[name] | |
| } | |
| // If a property called `then` exists, assume it's a promise and | |
| // return a promise that resolves to the name. | |
| if ('then' in module && typeof module.then === 'function') { | |
| return module.then((mod: any) => hoist(mod, name)) | |
| } | |
| // If we're trying to hoise the default export, and the module is a function, | |
| // return the module itself. | |
| if (typeof module === 'function' && name === 'default') { | |
| return module | |
| } | |
| // Otherwise, return undefined. | |
| return undefined | |
| } | |