path#normalize JavaScript Examples

parser = new YargsParser({
    cwd: process.cwd,
    env: () => {
        return env;
    },
    format,
    normalize,
    resolve,
    // TODO: figure  out a  way to combine ESM and CJS coverage, such  that
    // we can exercise all the lines below:
    require: (path) => {
        if (typeof require !== 'undefined') {
            return require(path);
        }
        else if (path.match(/\.json$/)) {
            // Addresses: https://github.com/yargs/yargs/issues/2040
            return JSON.parse(readFileSync(path, 'utf8'));
        }
        else {
            throw Error('only .json config files are supported in ESM');
        }
    }
})

parser = new YargsParser({
    cwd: process.cwd,
    env: () => {
        return env;
    },
    format,
    normalize,
    resolve,
    // TODO: figure  out a  way to combine ESM and CJS coverage, such  that
    // we can exercise all the lines below:
    require: (path) => {
        if (typeof require !== 'undefined') {
            return require(path);
        }
        else if (path.match(/\.json$/)) {
            return readFileSync(path, 'utf8');
        }
        else {
            throw Error('only .json config files are supported in ESM');
        }
    }
})

decompressDownload = async (compressedFile, compressedFileExtension, destinationDir) => {
    await mkdirP(destinationDir);

    const graalvmFile = normalize(compressedFile);
    const stats       = statSync(graalvmFile);

    if (stats) {
        if (stats.isFile()) {
            await extractFiles(graalvmFile, compressedFileExtension, destinationDir);

            return join(destinationDir, readdirSync(destinationDir)[0]);
        } else {
            throw new Error(`Failed to extract ${graalvmFile} which is not a file`);
        }
    } else {
        throw new Error(`${graalvmFile} does not exist`);
    }
}

appRootPath = () => {
  return app.getAppPath().indexOf('default_app.asar') < 0
    ? normalize(`${app.getAppPath()}/..`)
    : '';
}

function nodeResolve(opts = {}) {
  const { warnings } = handleDeprecatedOptions(opts);

  const options = { ...defaults, ...opts };
  const { extensions, jail, moduleDirectories, ignoreSideEffectsForRoot } = options;
  const conditionsEsm = [...baseConditionsEsm, ...(options.exportConditions || [])];
  const conditionsCjs = [...baseConditionsCjs, ...(options.exportConditions || [])];
  const packageInfoCache = new Map();
  const idToPackageInfo = new Map();
  const mainFields = getMainFields(options);
  const useBrowserOverrides = mainFields.indexOf('browser') !== -1;
  const isPreferBuiltinsSet = options.preferBuiltins === true || options.preferBuiltins === false;
  const preferBuiltins = isPreferBuiltinsSet ? options.preferBuiltins : true;
  const rootDir = resolve(options.rootDir || process.cwd());
  let { dedupe } = options;
  let rollupOptions;

  if (typeof dedupe !== 'function') {
    dedupe = (importee) =>
      options.dedupe.includes(importee) || options.dedupe.includes(getPackageName(importee));
  }

  const resolveOnly = options.resolveOnly.map((pattern) => {
    if (pattern instanceof RegExp) {
      return pattern;
    }
    const normalized = pattern.replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
    return new RegExp(`^${normalized}$`);
  });

  const browserMapCache = new Map();
  let preserveSymlinks;

  return {
    name: 'node-resolve',

    buildStart(options) {
      rollupOptions = options;

      for (const warning of warnings) {
        this.warn(warning);
      }

      ({ preserveSymlinks } = options);
    },

    generateBundle() {
      readCachedFile.clear();
      isFileCached.clear();
      isDirCached.clear();
    },

    async resolveId(importee, importer, opts) {
      if (importee === ES6_BROWSER_EMPTY) {
        return importee;
      }
      // ignore IDs with null character, these belong to other plugins
      if (/\0/.test(importee)) return null;

      if (/\0/.test(importer)) {
        importer = undefined;
      }

      // strip query params from import
      const [importPath, params] = importee.split('?');
      const importSuffix = `${params ? `?${params}` : ''}`;
      importee = importPath;

      const baseDir = !importer || dedupe(importee) ? rootDir : dirname(importer);

      // https://github.com/defunctzombie/package-browser-field-spec
      const browser = browserMapCache.get(importer);
      if (useBrowserOverrides && browser) {
        const resolvedImportee = resolve(baseDir, importee);
        if (browser[importee] === false || browser[resolvedImportee] === false) {
          return ES6_BROWSER_EMPTY;
        }
        const browserImportee =
          browser[importee] ||
          browser[resolvedImportee] ||
          browser[`${resolvedImportee}.js`] ||
          browser[`${resolvedImportee}.json`];
        if (browserImportee) {
          importee = browserImportee;
        }
      }

      const parts = importee.split(/[/\\]/);
      let id = parts.shift();
      let isRelativeImport = false;

      if (id[0] === '@' && parts.length > 0) {
        // scoped packages
        id += `/${parts.shift()}`;
      } else if (id[0] === '.') {
        // an import relative to the parent dir of the importer
        id = resolve(baseDir, importee);
        isRelativeImport = true;
      }

      if (
        !isRelativeImport &&
        resolveOnly.length &&
        !resolveOnly.some((pattern) => pattern.test(id))
      ) {
        if (normalizeInput(rollupOptions.input).includes(importee)) {
          return null;
        }
        return false;
      }

      const importSpecifierList = [];

      if (importer === undefined && !importee[0].match(/^\.?\.?\//)) {
        // For module graph roots (i.e. when importer is undefined), we
        // need to handle 'path fragments` like `foo/bar` that are commonly
        // found in rollup config files. If importee doesn't look like a
        // relative or absolute path, we make it relative and attempt to
        // resolve it. If we don't find anything, we try resolving it as we
        // got it.
        importSpecifierList.push(`./${importee}`);
      }

      const importeeIsBuiltin = builtins.has(importee);

      if (importeeIsBuiltin) {
        // The `resolve` library will not resolve packages with the same
        // name as a node built-in module. If we're resolving something
        // that's a builtin, and we don't prefer to find built-ins, we
        // first try to look up a local module with that name. If we don't
        // find anything, we resolve the builtin which just returns back
        // the built-in's name.
        importSpecifierList.push(`${importee}/`);
      }

      // TypeScript files may import '.js' to refer to either '.ts' or '.tsx'
      if (importer && importee.endsWith('.js')) {
        for (const ext of ['.ts', '.tsx']) {
          if (importer.endsWith(ext) && extensions.includes(ext)) {
            importSpecifierList.push(importee.replace(/.js$/, ext));
          }
        }
      }

      importSpecifierList.push(importee);

      const warn = (...args) => this.warn(...args);
      const isRequire =
        opts && opts.custom && opts.custom['node-resolve'] && opts.custom['node-resolve'].isRequire;
      const exportConditions = isRequire ? conditionsCjs : conditionsEsm;

      const resolvedWithoutBuiltins = await resolveImportSpecifiers({
        importer,
        importSpecifierList,
        exportConditions,
        warn,
        packageInfoCache,
        extensions,
        mainFields,
        preserveSymlinks,
        useBrowserOverrides,
        baseDir,
        moduleDirectories,
        rootDir,
        ignoreSideEffectsForRoot
      });

      const resolved =
        importeeIsBuiltin && preferBuiltins
          ? {
              packageInfo: undefined,
              hasModuleSideEffects: () => null,
              hasPackageEntry: true,
              packageBrowserField: false
            }
          : resolvedWithoutBuiltins;
      if (!resolved) {
        return null;
      }

      const { packageInfo, hasModuleSideEffects, hasPackageEntry, packageBrowserField } = resolved;
      let { location } = resolved;
      if (packageBrowserField) {
        if (Object.prototype.hasOwnProperty.call(packageBrowserField, location)) {
          if (!packageBrowserField[location]) {
            browserMapCache.set(location, packageBrowserField);
            return ES6_BROWSER_EMPTY;
          }
          location = packageBrowserField[location];
        }
        browserMapCache.set(location, packageBrowserField);
      }

      if (hasPackageEntry && !preserveSymlinks) {
        const fileExists = await exists(location);
        if (fileExists) {
          location = await realpath(location);
        }
      }

      idToPackageInfo.set(location, packageInfo);

      if (hasPackageEntry) {
        if (importeeIsBuiltin && preferBuiltins) {
          if (!isPreferBuiltinsSet && resolvedWithoutBuiltins && resolved !== importee) {
            this.warn(
              `preferring built-in module '${importee}' over local alternative at '${resolvedWithoutBuiltins.location}', pass 'preferBuiltins: false' to disable this behavior or 'preferBuiltins: true' to disable this warning`
            );
          }
          return false;
        } else if (jail && location.indexOf(normalize(jail.trim(sep))) !== 0) {
          return null;
        }
      }

      if (options.modulesOnly && (await exists(location))) {
        const code = await readFile(location, 'utf-8');
        if (isModule(code)) {
          return {
            id: `${location}${importSuffix}`,
            moduleSideEffects: hasModuleSideEffects(location)
          };
        }
        return null;
      }
      const result = {
        id: `${location}${importSuffix}`,
        moduleSideEffects: hasModuleSideEffects(location)
      };
      return result;
    },

    load(importee) {
      if (importee === ES6_BROWSER_EMPTY) {
        return 'export default {};';
      }
      return null;
    },

    getPackageInfoForId(id) {
      return idToPackageInfo.get(id);
    }
  };
}

function nodeResolve(opts = {}) {
  const options = Object.assign({}, defaults, opts);
  const customResolveOptions = options.customResolveOptions,
        extensions = options.extensions,
        jail = options.jail;
  const warnings = [];
  const packageInfoCache = new Map();
  const idToPackageInfo = new Map();
  const mainFields = getMainFields(options);
  const useBrowserOverrides = mainFields.indexOf('browser') !== -1;
  const isPreferBuiltinsSet = options.preferBuiltins === true || options.preferBuiltins === false;
  const preferBuiltins = isPreferBuiltinsSet ? options.preferBuiltins : true;
  const rootDir = options.rootDir || process.cwd();
  let dedupe = options.dedupe;
  let rollupOptions;

  if (options.only) {
    warnings.push('node-resolve: The `only` options is deprecated, please use `resolveOnly`');
    options.resolveOnly = options.only;
  }

  if (typeof dedupe !== 'function') {
    dedupe = importee => options.dedupe.includes(importee) || options.dedupe.includes(getPackageName(importee));
  }

  const resolveOnly = options.resolveOnly.map(pattern => {
    if (pattern instanceof RegExp) {
      return pattern;
    }

    const normalized = pattern.replace(/[\\^$*+?.()|[\]{}]/g, '\\$&');
    return new RegExp(`^${normalized}$`);
  });
  const browserMapCache = new Map();
  let preserveSymlinks;
  return {
    name: 'node-resolve',

    buildStart(options) {
      rollupOptions = options;
      var _iteratorNormalCompletion = true;
      var _didIteratorError = false;
      var _iteratorError = undefined;

      try {
        for (var _iterator = warnings[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
          const warning = _step.value;
          this.warn(warning);
        }
      } catch (err) {
        _didIteratorError = true;
        _iteratorError = err;
      } finally {
        try {
          if (!_iteratorNormalCompletion && _iterator.return != null) {
            _iterator.return();
          }
        } finally {
          if (_didIteratorError) {
            throw _iteratorError;
          }
        }
      }

      preserveSymlinks = options.preserveSymlinks;
    },

    generateBundle() {
      readCachedFile.clear();
      isFileCached.clear();
      isDirCached.clear();
    },

    resolveId(importee, importer) {
      var _this = this;

      return _asyncToGenerator(function* () {
        if (importee === ES6_BROWSER_EMPTY) {
          return importee;
        } // ignore IDs with null character, these belong to other plugins


        if (/\0/.test(importee)) return null;
        const basedir = !importer || dedupe(importee) ? rootDir : dirname(importer); // https://github.com/defunctzombie/package-browser-field-spec

        const browser = browserMapCache.get(importer);

        if (useBrowserOverrides && browser) {
          const resolvedImportee = resolve(basedir, importee);

          if (browser[importee] === false || browser[resolvedImportee] === false) {
            return ES6_BROWSER_EMPTY;
          }

          const browserImportee = browser[importee] || browser[resolvedImportee] || browser[`${resolvedImportee}.js`] || browser[`${resolvedImportee}.json`];

          if (browserImportee) {
            importee = browserImportee;
          }
        }

        const parts = importee.split(/[/\\]/);
        let id = parts.shift();

        if (id[0] === '@' && parts.length > 0) {
          // scoped packages
          id += `/${parts.shift()}`;
        } else if (id[0] === '.') {
          // an import relative to the parent dir of the importer
          id = resolve(basedir, importee);
        }

        const input = normalizeInput(rollupOptions.input);

        if (resolveOnly.length && !resolveOnly.some(pattern => pattern.test(id))) {
          if (input.includes(id)) {
            return null;
          }

          return false;
        }

        let hasModuleSideEffects = nullFn;
        let hasPackageEntry = true;
        let packageBrowserField = false;
        let packageInfo;

        const filter = (pkg, pkgPath) => {
          const info = getPackageInfo({
            cache: packageInfoCache,
            extensions,
            pkg,
            pkgPath,
            mainFields,
            preserveSymlinks,
            useBrowserOverrides
          });
          packageInfo = info.packageInfo;
          hasModuleSideEffects = info.hasModuleSideEffects;
          hasPackageEntry = info.hasPackageEntry;
          packageBrowserField = info.packageBrowserField;
          return info.cachedPkg;
        };

        let resolveOptions = {
          basedir,
          packageFilter: filter,
          readFile: readCachedFile,
          isFile: isFileCached,
          isDirectory: isDirCached,
          extensions
        };

        if (preserveSymlinks !== undefined) {
          resolveOptions.preserveSymlinks = preserveSymlinks;
        }

        const importSpecifierList = [];

        if (importer === undefined && !importee[0].match(/^\.?\.?\//)) {
          // For module graph roots (i.e. when importer is undefined), we
          // need to handle 'path fragments` like `foo/bar` that are commonly
          // found in rollup config files. If importee doesn't look like a
          // relative or absolute path, we make it relative and attempt to
          // resolve it. If we don't find anything, we try resolving it as we
          // got it.
          importSpecifierList.push(`./${importee}`);
        }

        const importeeIsBuiltin = builtins.has(importee);

        if (importeeIsBuiltin && (!preferBuiltins || !isPreferBuiltinsSet)) {
          // The `resolve` library will not resolve packages with the same
          // name as a node built-in module. If we're resolving something
          // that's a builtin, and we don't prefer to find built-ins, we
          // first try to look up a local module with that name. If we don't
          // find anything, we resolve the builtin which just returns back
          // the built-in's name.
          importSpecifierList.push(`${importee}/`);
        }

        importSpecifierList.push(importee);
        resolveOptions = Object.assign(resolveOptions, customResolveOptions);

        try {
          let resolved = yield resolveImportSpecifiers(importSpecifierList, resolveOptions);

          if (resolved && packageBrowserField) {
            if (Object.prototype.hasOwnProperty.call(packageBrowserField, resolved)) {
              if (!packageBrowserField[resolved]) {
                browserMapCache.set(resolved, packageBrowserField);
                return ES6_BROWSER_EMPTY;
              }

              resolved = packageBrowserField[resolved];
            }

            browserMapCache.set(resolved, packageBrowserField);
          }

          if (hasPackageEntry && !preserveSymlinks && resolved) {
            const fileExists = yield exists(resolved);

            if (fileExists) {
              resolved = yield realpath(resolved);
            }
          }

          idToPackageInfo.set(resolved, packageInfo);

          if (hasPackageEntry) {
            if (builtins.has(resolved) && preferBuiltins && isPreferBuiltinsSet) {
              return null;
            } else if (importeeIsBuiltin && preferBuiltins) {
              if (!isPreferBuiltinsSet) {
                _this.warn(`preferring built-in module '${importee}' over local alternative at '${resolved}', pass 'preferBuiltins: false' to disable this behavior or 'preferBuiltins: true' to disable this warning`);
              }

              return null;
            } else if (jail && resolved.indexOf(normalize(jail.trim(sep))) !== 0) {
              return null;
            }
          }

          if (resolved && options.modulesOnly) {
            const code = yield readFile(resolved, 'utf-8');

            if (isModule(code)) {
              return {
                id: resolved,
                moduleSideEffects: hasModuleSideEffects(resolved)
              };
            }

            return null;
          }

          const result = {
            id: resolved,
            moduleSideEffects: hasModuleSideEffects(resolved)
          };
          return result;
        } catch (error) {
          return null;
        }
      })();
    },

    load(importee) {
      if (importee === ES6_BROWSER_EMPTY) {
        return 'export default {};';
      }

      return null;
    },

    getPackageInfoForId(id) {
      return idToPackageInfo.get(id);
    }

  };
}