INNER CODE UNIT · JavaScript

FIRST_NON_WHITESPACE_REGEXP

expressjs/body-parser · lib/types/json.js:36

const FIRST_NON_WHITESPACE_REGEXP = /^[\x20\x09\x0a\x0d]*([^\x20\x09\x0a\x0d]|$)/ // eslint-disable-line no-control-regex

const JSON_SYNTAX_CHAR = '#'
const JSON_SYNTAX_REGEXP = /#+/g

/**
 * Create a middleware to parse JSON bodies.
 *
 * @param {Object} [options]
 * @returns {Function}
 * @public
 */
function json (options) {
  const normalizedOptions = normalizeOptions(options, 'application/json')

  const parse = createJsonParser(options)

  const readOptions = {

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