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TypeScript typescript-nullable.Nullable类代码示例

本文整理汇总了TypeScript中typescript-nullable.Nullable的典型用法代码示例。如果您正苦于以下问题:TypeScript Nullable类的具体用法?TypeScript Nullable怎么用?TypeScript Nullable使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了Nullable类的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的TypeScript代码示例。

示例1: Error

const selectFilename = (state: State): string => {
  // @TODO(James) fix this horrible code
  let filename = Nullable.maybe(
    '[name].js',
    rc =>
      Nullable.maybe(
        '[name].js',
        webpack =>
          Nullable.maybe(
            '[name].js',
            output => output.filename,
            webpack.output
          ),
        rc.webpack
      ),
    errorToNull(state.rc)
  );

  if (typeof filename === 'function') {
    filename = filename(state);

    if (typeof filename !== 'string') {
      throw new Error('rc.webpack.filename function should return a string.');
    }
  }

  return filename;
};
开发者ID:valtech-nyc,项目名称:brookjs,代码行数:28,代码来源:selectors.ts

示例2: errorToNull

const selectOutput = (state: State): webpack.Configuration['output'] => ({
  path: path.join(
    state.cwd,
    Nullable.withDefault(
      'dist/',
      Nullable.andThen(
        output => output.path,
        Nullable.andThen(
          webpack => webpack.output,
          Nullable.andThen(rc => rc.webpack, errorToNull(state.rc))
        )
      )
    )
  ),
  filename: selectFilename(state)
});
开发者ID:valtech-nyc,项目名称:brookjs,代码行数:16,代码来源:selectors.ts

示例3: getEnv

const initialState = (
  args: Arguments,
  { rc, cwd }: { rc: Nullable<RC | Error>; cwd: string }
): State => ({
  watch: typeof args.watch === 'boolean' ? args.watch : false,
  building: true,
  results: null,
  env: getEnv(args.env),
  rc: Nullable.withDefault(null, rc),
  cwd
});
开发者ID:valtech-nyc,项目名称:brookjs,代码行数:11,代码来源:initialState.ts

示例4:

 rc =>
   Nullable.maybe(
     '',
     mocha =>
       Nullable.maybe(
         [],
         requires => requires.map(req => `--require ${req}`),
         mocha.requires
       ).join(' '),
     rc.mocha
   ),
开发者ID:valtech-nyc,项目名称:brookjs,代码行数:11,代码来源:selectors.ts

示例5: selectWebpackEntry

export const selectWebpackConfig = (state: State): webpack.Configuration => {
  const config: webpack.Configuration = {
    entry: selectWebpackEntry(state),
    output: selectOutput(state),
    mode: state.env,
    module: {
      rules: [
        {
          test: /\.js$/,
          loader: require.resolve('eslint-loader'),
          include: selectAppPath(state),
          enforce: 'pre',
          options: {
            eslintPath: require.resolve('eslint')
          }
        },
        {
          test: /\.js$/,
          loader: require.resolve('babel-loader'),
          include: selectAppPath(state)
        }
      ]
    },
    resolve: {
      mainFields: ['module', 'main']
    },
    plugins: [...selectDefaultPlugins(state), ...selectEnvPlugins(state)]
  };

  const modifier = Nullable.andThen(
    webpack => webpack.modifier,
    Nullable.andThen(rc => rc.webpack, errorToNull(state.rc))
  );

  if (Nullable.isSome(modifier)) {
    return modifier(config, { env: state.env, cmd: 'build' });
  }

  return config;
};
开发者ID:valtech-nyc,项目名称:brookjs,代码行数:40,代码来源:selectors.ts

示例6:

 .filter(state => Nullable.isSome(state.rc))
开发者ID:valtech-nyc,项目名称:brookjs,代码行数:1,代码来源:exec.ts


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