All files / gulpfile.ts/lib projectPath.ts

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import * as path from 'path'
import { TIMPLA_PROCESS } from '../internal'
 
/**
 * A function that can be used to resolve a path relatively to the
 * project directory.
 *
 * We often want to resolve paths relatively to the project root
 * directory. To do that, we use the `INIT_CWD` environment variable
 * provided by Gulp. This variable always resolves to the project
 * root directory so we use it as the seed path and then add the
 * remaining arguments passed and resolving everything using the
 * `path.resolve` function.
 *
 * The returned path is a fully resolved absolute path relative to
 * the project root directory.
 */
export const projectPath = (...paths: Array<string | undefined>) => {
  if (paths.length) {
    const cleaned: string[] = paths.filter(Boolean) as string[]
    return path.resolve(TIMPLA_PROCESS.INIT_CWD, ...cleaned)
  }
  return TIMPLA_PROCESS.INIT_CWD
}