@atlaskit/editor-plugin-code-block/dist/cjs/pm-plugins/input-rule.js

Code block plugin for @atlaskit/editor-core

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.createCodeBlockInputRule = createCodeBlockInputRule;
var _analytics = require("@atlaskit/editor-common/analytics");
var _commands = require("@atlaskit/editor-common/commands");
var _safePlugin = require("@atlaskit/editor-common/safe-plugin");
var _utils = require("@atlaskit/editor-common/utils");
var _utils2 = require("@atlaskit/editor-prosemirror/utils");
var _prosemirrorInputRules = require("@atlaskit/prosemirror-input-rules");
var _transformToCodeBlock = require("./transform-to-code-block");
function createCodeBlockInputRule(schema, editorAnalyticsAPI) {
  var rules = getCodeBlockRules(editorAnalyticsAPI, schema);
  return new _safePlugin.SafePlugin((0, _prosemirrorInputRules.createPlugin)('code-block-input-rule', rules, {
    isBlockNodeRule: true
  }));
}

/**
 * Get all code block input rules
 *
 * @param {Schema} schema
 * @returns {InputRuleWithHandler[]}
 */
function getCodeBlockRules(editorAnalyticsAPI, schema) {
  var ruleAnalytics = (0, _utils.inputRuleWithAnalytics)({
    action: _analytics.ACTION.INSERTED,
    actionSubject: _analytics.ACTION_SUBJECT.DOCUMENT,
    actionSubjectId: _analytics.ACTION_SUBJECT_ID.CODE_BLOCK,
    attributes: {
      inputMethod: _analytics.INPUT_METHOD.FORMATTING
    },
    eventType: _analytics.EVENT_TYPE.TRACK
  }, editorAnalyticsAPI);
  var validMatchLength = function validMatchLength(match) {
    return match.length > 0 && match[0].length === 3;
  };

  // eslint-disable-next-line require-unicode-regexp
  var threeTildeRule = (0, _utils.createRule)(/(?!\s)(`{3,})$/, function (state, match, start, end) {
    if (!validMatchLength(match)) {
      return null;
    }

    // Ignored via go/ees005
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    var attributes = {};
    if (match[4]) {
      attributes.language = match[4];
    }
    if ((0, _transformToCodeBlock.isConvertableToCodeBlock)(state)) {
      return (0, _transformToCodeBlock.transformToCodeBlockAction)(state, start, attributes);
    }
    var tr = state.tr;
    tr.delete(start, end);
    var codeBlock = tr.doc.type.schema.nodes.codeBlock.createChecked();
    (0, _utils2.safeInsert)(codeBlock)(tr);
    return tr;
  });
  var leftNodeReplacementThreeTildeRule = (0, _utils.createRule)(
  // Ignored via go/ees005
  // eslint-disable-next-line require-unicode-regexp
  new RegExp("((".concat(_prosemirrorInputRules.leafNodeReplacementCharacter, "`{3,})|^\\s(`{3,}))(\\S*)$")), function (state, match, start, end) {
    if (!validMatchLength(match)) {
      return null;
    }

    // Ignored via go/ees005
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    var attributes = {};
    if (match[4]) {
      attributes.language = match[4];
    }
    var inlineStart = Math.max(match.index + state.selection.$from.start(), 1);
    return (0, _commands.insertBlock)(state, schema.nodes.codeBlock, inlineStart, end, attributes);
  });
  return [ruleAnalytics(threeTildeRule), ruleAnalytics(leftNodeReplacementThreeTildeRule)];
}