@instructure/canvas-rce
Version:
A component wrapping Canvas's usage of Tinymce
27 lines (25 loc) • 2.06 kB
JavaScript
/*
* Copyright (C) 2022 - present Instructure, Inc.
*
* This file is part of Canvas.
*
* Canvas is free software: you can redistribute it and/or modify it under
* the terms of the GNU Affero General Public License as published by the Free
* Software Foundation, version 3 of the License.
*
* Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
* details.
*
* You should have received a copy of the GNU Affero General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import { memoize } from 'lodash';
// These commands all work fine with MathJax but either don't work, don't work well
// (bad UX for editing), or look strange when rendered by Mathlive. Add new ones
// here if you discover anything else or customers report unexpected experiences.
const advancedOnlyCommands = ['begin', 'end', 'cases', 'cr', 'rm', 'text', 'hbox', 'mbox', 'unicode', 'cal', 'frak', 'it', 'scr', 'sf', '#', 'def', 'newcommand', 'operatorname', 'DeclareMathOperator', 'displaystyle', 'textstyle', 'scriptstyle', 'scriptscriptstyle', 'displaylines', 'abovewithdelims', 'array', 'bmatrix', 'buildrel', 'ddddot', 'dddot', 'eqalign', 'eqalignno', 'gcd', 'genfrac', 'hdashline', 'hfil', 'hfill', 'hfilll', 'hline', 'idotsint', 'iiiint', 'injlim', 'kern', 'label', 'LaTeX', 'leftroot', 'lgroup', 'lower', 'mathchoice', 'mathfrak', 'matrix', 'mit', 'mkern', 'mspace', 'negmedspace', 'negthickspace', 'negthinspace', 'newline', 'nobreakspace', 'oldstyle', 'overset', 'pmatrix', 'raise', 'rgroup', 'rule', 'Rule', 'skew', 'space', 'tag', 'TeX', 'underbrace', 'uproot', 'varinjlim', 'varliminf', 'varlimsup', 'varprojlim', 'vcenter', 'vmatrix'];
const advancedOnlyRegex = new RegExp(advancedOnlyCommands.join('|'), 'm');
const containsAdvancedSyntax = memoize(latex => advancedOnlyRegex.test(latex));
export { advancedOnlyCommands, containsAdvancedSyntax };