INNER CODE UNIT · JavaScript

typeChecker

expressjs/body-parser · lib/utils.js:25

function typeChecker (type) {
  return function checkType (req) {
    return Boolean(typeis(req, type))
  }
}

/**
 * Normalizes the common options for all parsers.
 *
 * @param {Object} options options to normalize
 * @param {string | string[] | Function} defaultType default content type(s) or a function to determine it
 * @returns {Object}
 * @private
 */
function normalizeOptions (options, defaultType) {
  if (!defaultType) {
    // Parsers must define a default content type
    throw new TypeError('defaultType must be provided')

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