Function assertConfigSetters

packages/core/lib/configSetters.js:14–27

* Asserts that given param is an array of functions. * * @param {Function[]} configSetters Array of functions as returned by webpack blocks.

(configSetters)

 * @param {Function[]} configSetters Array of functions as returned by webpack blocks.
 */
function assertConfigSetters(configSetters) {
  if (!Array.isArray(configSetters)) {
    throw new Error(
      `Expected parameter 'configSetters' to be an array of functions. Instead got ${configSetters}.`
    )
  }
  if (!configSetters.every(_.isFunction)) {
    const invalidElementIndex = configSetters.findIndex(setter => !_.isFunction(setter))
    throw new Error(
      `Expected parameter 'configSetters' to be an array of functions. ` +
        `Element at index ${invalidElementIndex} is invalid: ${configSetters[invalidElementIndex]}.`
    )
  }
}

function invokeConfigSetters(configSetters, context, baseConfig) {
  return configSetters.reduce((config, setter) => {