AK-21/Graphite-Industrial-Intelligence

1/**2 * @import {3 *   Construct,4 *   State,5 *   TokenizeContext,6 *   Tokenizer7 * } from 'micromark-util-types'8 */9 10import { labelEnd } from './label-end.js';11 12/** @type {Construct} */13export const labelStartImage = {14  name: 'labelStartImage',15  resolveAll: labelEnd.resolveAll,16  tokenize: tokenizeLabelStartImage17};18 19/**20 * @this {TokenizeContext}21 *   Context.22 * @type {Tokenizer}23 */24function tokenizeLabelStartImage(effects, ok, nok) {25  const self = this;26  return start;27 28  /**29   * Start of label (image) start.30   *31   * ```markdown32   * > | a ![b] c33   *       ^34   * ```35   *36   * @type {State}37   */38  function start(code) {39    effects.enter("labelImage");40    effects.enter("labelImageMarker");41    effects.consume(code);42    effects.exit("labelImageMarker");43    return open;44  }45 46  /**47   * After `!`, at `[`.48   *49   * ```markdown50   * > | a ![b] c51   *        ^52   * ```53   *54   * @type {State}55   */56  function open(code) {57    if (code === 91) {58      effects.enter("labelMarker");59      effects.consume(code);60      effects.exit("labelMarker");61      effects.exit("labelImage");62      return after;63    }64    return nok(code);65  }66 67  /**68   * After `![`.69   *70   * ```markdown71   * > | a ![b] c72   *         ^73   * ```74   *75   * This is needed in because, when GFM footnotes are enabled, images never76   * form when started with a `^`.77   * Instead, links form:78   *79   * ```markdown80   * ![^a](b)81   *82   * ![^a][b]83   *84   * [b]: c85   * ```86   *87   * ```html88   * <p>!<a href=\"b\">^a</a></p>89   * <p>!<a href=\"c\">^a</a></p>90   * ```91   *92   * @type {State}93   */94  function after(code) {95    // To do: use a new field to do this, this is still needed for96    // `micromark-extension-gfm-footnote`, but the `label-start-link`97    // behavior isn’t.98    // Hidden footnotes hook.99    /* c8 ignore next 3 */100    return code === 94 && '_hiddenFootnoteSupport' in self.parser.constructs ? nok(code) : ok(code);101  }102}