basant307/AI_Governance_Project

1/**2 * @import {Effects, State, TokenType} from 'micromark-util-types'3 */4 5import {markdownSpace} from 'micromark-util-character'6 7// To do: implement `spaceOrTab`, `spaceOrTabMinMax`, `spaceOrTabWithOptions`.8 9/**10 * Parse spaces and tabs.11 *12 * There is no `nok` parameter:13 *14 * *   spaces in markdown are often optional, in which case this factory can be15 *     used and `ok` will be switched to whether spaces were found or not16 * *   one line ending or space can be detected with `markdownSpace(code)` right17 *     before using `factorySpace`18 *19 * ###### Examples20 *21 * Where `␉` represents a tab (plus how much it expands) and `␠` represents a22 * single space.23 *24 * ```markdown25 * ␉26 * ␠␠␠␠27 * ␉␠28 * ```29 *30 * @param {Effects} effects31 *   Context.32 * @param {State} ok33 *   State switched to when successful.34 * @param {TokenType} type35 *   Type (`' \t'`).36 * @param {number | undefined} [max=Infinity]37 *   Max (exclusive).38 * @returns {State}39 *   Start state.40 */41export function factorySpace(effects, ok, type, max) {42  const limit = max ? max - 1 : Number.POSITIVE_INFINITY43  let size = 044 45  return start46 47  /** @type {State} */48  function start(code) {49    if (markdownSpace(code)) {50      effects.enter(type)51      return prefix(code)52    }53 54    return ok(code)55  }56 57  /** @type {State} */58  function prefix(code) {59    if (markdownSpace(code) && size++ < limit) {60      effects.consume(code)61      return prefix62    }63 64    effects.exit(type)65    return ok(code)66  }67}68