mathpix-markdown-it
Version:
Mathpix-markdown-it is an open source implementation of the mathpix-markdown spec written in Typescript. It relies on the following open source libraries: MathJax v3 (to render math with SVGs), markdown-it (for standard Markdown parsing)
504 lines • 25.7 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MathJax = exports.OuterHTML = void 0;
var tslib_1 = require("tslib");
var mathjax_1 = require("./mathjax");
var SerializedMmlVisitor_js_1 = require("mathjax-full/js/core/MmlTree/SerializedMmlVisitor.js");
var Element_js_1 = require("mathjax-full/js/adaptors/lite/Element.js");
var serialized_ascii_1 = require("./serialized-ascii");
var mathml_word_1 = require("./mathml-word");
var sre_1 = require("../sre");
var parse_mmd_element_1 = require("../helpers/parse-mmd-element");
var utils_1 = require("../helpers/utils");
var utils_2 = require("./utils");
var utils_3 = require("../markdown/utils");
var MJ = new mathjax_1.MathJaxConfigure();
var toMathML = (function (node) {
var visitor = new SerializedMmlVisitor_js_1.SerializedMmlVisitor();
return visitor.visitTree(node);
});
//MmlWordVisitor
var toMathMLWord = (function (node, options) {
options = Object.assign(options, { aligned: true });
var visitor = new mathml_word_1.MathMLVisitorWord(options);
return visitor.visitTree(node);
});
var toAsciiML = (function (node, optionAscii) {
var visitorA = new serialized_ascii_1.SerializedAsciiVisitor(optionAscii);
var data = visitorA.visitTree(node);
return {
ascii: (data === null || data === void 0 ? void 0 : data.ascii) ? data.ascii.trim() : data.ascii,
linear: data.linear,
ascii_tsv: (data === null || data === void 0 ? void 0 : data.ascii_tsv) ? data.ascii_tsv.trim() : data.ascii_tsv,
ascii_csv: (data === null || data === void 0 ? void 0 : data.ascii_csv) ? data.ascii_csv.trim() : data.ascii_csv,
ascii_md: (data === null || data === void 0 ? void 0 : data.ascii_md) ? data.ascii_md.trim() : data.ascii_md
};
});
var normalizeMathJaxA11y = function (adaptor, mjxContainer) {
adaptor.setAttribute(mjxContainer, 'role', 'math');
adaptor.setAttribute(mjxContainer, 'tabindex', '0');
var svg = adaptor.firstChild(mjxContainer);
if (svg) {
adaptor.setAttribute(svg, 'aria-hidden', 'true');
}
};
var makeAssistiveMmlAccessible = function (adaptor, mjxContainer) {
var assistive = adaptor.lastChild(mjxContainer);
var id = adaptor.getAttribute(assistive, 'id');
if (!id) {
id = exports.MathJax.nextAssistiveId();
adaptor.setAttribute(assistive, 'id', id);
}
adaptor.setAttribute(mjxContainer, 'aria-labelledby', id);
adaptor.removeAttribute(assistive, 'aria-hidden');
};
var applySpeechToNode = function (adaptor, mjxContainer, sre) {
var assistive = adaptor.lastChild(mjxContainer); // mjx-assistive-mml
var assistiveMml = adaptor.innerHTML(assistive);
var speech = (0, sre_1.getSpeech)(sre, assistiveMml);
adaptor.setAttribute(mjxContainer, 'aria-label', speech);
adaptor.removeAttribute(assistive, 'aria-hidden');
return speech;
};
/**
* Applies MathJax accessibility attributes to an mjx-container:
* - role="math", tabindex="0"
* - hides SVG from AT
* - either sets aria-label via SRE speech, or exposes assistive MathML via aria-labelledby
*/
var applyMathJaxA11y = function (adaptor, mjxContainer, accessibility, includeSpeechOutput) {
if (includeSpeechOutput === void 0) { includeSpeechOutput = false; }
if (!(accessibility === null || accessibility === void 0 ? void 0 : accessibility.sre) && !(accessibility === null || accessibility === void 0 ? void 0 : accessibility.assistiveMml)) {
return {};
}
normalizeMathJaxA11y(adaptor, mjxContainer);
// Prefer SRE if provided
if (accessibility.sre) {
var speech = applySpeechToNode(adaptor, mjxContainer, accessibility.sre);
return includeSpeechOutput && speech ? { speech: speech } : {};
}
// Otherwise fallback to assistive MathML exposure
if (accessibility.assistiveMml) {
makeAssistiveMmlAccessible(adaptor, mjxContainer);
}
return {};
};
var OuterData = function (adaptor, node, math, outMath, forDocx, accessibility) {
var _a, _b;
if (forDocx === void 0) { forDocx = false; }
var _c = outMath.include_mathml, include_mathml = _c === void 0 ? false : _c, _d = outMath.include_mathml_word, include_mathml_word = _d === void 0 ? false : _d, _e = outMath.include_asciimath, include_asciimath = _e === void 0 ? false : _e, _f = outMath.include_latex, include_latex = _f === void 0 ? false : _f, _g = outMath.include_linearmath, include_linearmath = _g === void 0 ? false : _g, _h = outMath.include_svg, include_svg = _h === void 0 ? true : _h, _j = outMath.include_speech, include_speech = _j === void 0 ? false : _j, _k = outMath.optionAscii, optionAscii = _k === void 0 ? {
showStyle: false,
extraBrackets: true,
} : _k, _l = outMath.output_format, output_format = _l === void 0 ? 'svg' : _l;
var res = {};
var a11y = applyMathJaxA11y(adaptor, node, accessibility, include_speech);
if (a11y.speech) {
res.speech = a11y.speech;
}
if (include_mathml || output_format === 'mathml') {
res.mathml = toMathML(math.root);
}
if (include_mathml_word) {
res.mathml_word = toMathMLWord(math.root, { forDocx: forDocx });
}
if (include_asciimath || (optionAscii === null || optionAscii === void 0 ? void 0 : optionAscii.tableToCsv) || (optionAscii === null || optionAscii === void 0 ? void 0 : optionAscii.tableToTsv) || (optionAscii === null || optionAscii === void 0 ? void 0 : optionAscii.tableToMd) || include_linearmath) {
var dataAscii = toAsciiML(math.root, optionAscii);
if (include_asciimath || (optionAscii === null || optionAscii === void 0 ? void 0 : optionAscii.tableToCsv) || (optionAscii === null || optionAscii === void 0 ? void 0 : optionAscii.tableToTsv) || (optionAscii === null || optionAscii === void 0 ? void 0 : optionAscii.tableToMd)) {
res.asciimath = dataAscii.ascii;
res.asciimath_tsv = dataAscii.ascii_tsv;
res.asciimath_csv = dataAscii.ascii_csv;
res.asciimath_md = dataAscii.ascii_md;
}
if (include_linearmath) {
res.linearmath = dataAscii.linear;
}
}
if (include_latex) {
res.latex = (math.math
? math.math
: math.inputJax.processStrings ? '' : math.start.node.outerHTML);
}
if (include_svg) {
res.svg = adaptor.outerHTML(node);
if (node) {
var mathDimensions = node instanceof Element_js_1.LiteElement
? (0, utils_2.getMathDimensions)(node)
: node instanceof HTMLElement
? (0, utils_2.getMathDimensions)(node)
: null;
if (mathDimensions) {
res.width = mathDimensions.containerWidth;
res.widthEx = mathDimensions.widthEx;
res.heightEx = mathDimensions.heightEx;
res.height = mathDimensions.viewBoxHeight;
res.heightAndDepth = mathDimensions.viewBoxHeightAndDepth;
}
}
}
/** Get information about the current labels. */
res.labels = ((_b = (_a = math.inputJax.parseOptions) === null || _a === void 0 ? void 0 : _a.tags) === null || _b === void 0 ? void 0 : _b.labels)
? tslib_1.__assign({}, math.inputJax.parseOptions.tags.labels) : null;
return res;
};
var OuterDataError = function (adaptor, node, latex, error, outMath) {
var _a = outMath.include_latex, include_latex = _a === void 0 ? false : _a, _b = outMath.include_svg, include_svg = _b === void 0 ? true : _b;
var res = {};
if (error) {
res.error = error.message;
}
if (include_latex) {
res.latex = latex;
}
if (include_svg && node) {
res.svg = adaptor.outerHTML(node);
}
return res;
};
var OuterDataAscii = function (adaptor, node, math, outMath, forDocx, accessibility) {
if (forDocx === void 0) { forDocx = false; }
var _a = outMath.include_mathml, include_mathml = _a === void 0 ? false : _a, _b = outMath.include_mathml_word, include_mathml_word = _b === void 0 ? false : _b, _c = outMath.include_asciimath, include_asciimath = _c === void 0 ? false : _c, _d = outMath.include_svg, include_svg = _d === void 0 ? true : _d, _e = outMath.include_speech, include_speech = _e === void 0 ? false : _e, _f = outMath.output_format, output_format = _f === void 0 ? 'svg' : _f;
var res = {};
var a11y = applyMathJaxA11y(adaptor, node, accessibility, include_speech);
if (a11y.speech) {
res.speech = a11y.speech;
}
if (include_mathml || output_format === 'mathml') {
res.mathml = toMathML(math.root);
}
if (include_mathml_word) {
res.mathml_word = toMathMLWord(math.root, { forDocx: forDocx });
}
if (include_asciimath) {
res.asciimath = (math.math
? math.math
: math.inputJax.processStrings ? '' : math.start.node.outerHTML);
}
if (include_svg) {
res.svg = adaptor.outerHTML(node);
}
return res;
};
var OuterDataMathMl = function (adaptor, node, math, outMath, forDocx, accessibility) {
if (forDocx === void 0) { forDocx = false; }
var _a = outMath.include_mathml, include_mathml = _a === void 0 ? false : _a, _b = outMath.include_mathml_word, include_mathml_word = _b === void 0 ? false : _b, _c = outMath.include_asciimath, include_asciimath = _c === void 0 ? false : _c, _d = outMath.include_svg, include_svg = _d === void 0 ? true : _d, _e = outMath.include_speech, include_speech = _e === void 0 ? false : _e, _f = outMath.include_linearmath, include_linearmath = _f === void 0 ? false : _f, _g = outMath.optionAscii, optionAscii = _g === void 0 ? {
showStyle: false,
extraBrackets: true
} : _g, _h = outMath.output_format, output_format = _h === void 0 ? 'svg' : _h;
var res = {};
var a11y = applyMathJaxA11y(adaptor, node, accessibility, include_speech);
if (a11y.speech) {
res.speech = a11y.speech;
}
if (include_mathml || output_format === 'mathml') {
res.mathml = toMathML(math.root);
}
if (include_mathml_word) {
res.mathml_word = toMathMLWord(math.root, { forDocx: forDocx });
}
if (include_asciimath || include_linearmath) {
var dataAscii = toAsciiML(math.root, optionAscii);
if (include_asciimath) {
res.asciimath = dataAscii.ascii;
}
if (include_linearmath) {
res.linearmath = dataAscii.linear;
}
}
if (include_svg) {
res.svg = adaptor.outerHTML(node);
if (node) {
var mathDimensions = node instanceof Element_js_1.LiteElement
? (0, utils_2.getMathDimensions)(node)
: node instanceof HTMLElement
? (0, utils_2.getMathDimensions)(node)
: null;
if (mathDimensions) {
res.width = mathDimensions.containerWidth;
res.widthEx = mathDimensions.widthEx;
res.heightEx = mathDimensions.heightEx;
res.height = mathDimensions.viewBoxHeight;
res.heightAndDepth = mathDimensions.viewBoxHeightAndDepth;
}
}
}
return res;
};
var OuterHTML = function (data, outMath, forPptx) {
if (forPptx === void 0) { forPptx = false; }
var _a = outMath.include_mathml, include_mathml = _a === void 0 ? false : _a, _b = outMath.include_mathml_word, include_mathml_word = _b === void 0 ? false : _b, _c = outMath.include_asciimath, include_asciimath = _c === void 0 ? false : _c, _d = outMath.include_linearmath, include_linearmath = _d === void 0 ? false : _d, _e = outMath.include_latex, include_latex = _e === void 0 ? false : _e, _f = outMath.include_svg, include_svg = _f === void 0 ? true : _f, _g = outMath.include_error, include_error = _g === void 0 ? false : _g, _h = outMath.include_speech, include_speech = _h === void 0 ? false : _h;
var outHTML = '';
if (include_mathml && data.mathml) {
if (forPptx) {
outHTML += '<mathml>' + (0, parse_mmd_element_1.formatSourceMML)(data.mathml) + '</mathml>';
}
else {
outHTML += '<mathml style="display: none;">' + (0, parse_mmd_element_1.formatSourceMML)(data.mathml) + '</mathml>';
}
}
if (include_mathml_word && data.mathml_word) {
outHTML += '<mathmlword style="display: none;">' + data.mathml_word + '</mathmlword>';
}
if (include_asciimath && data.asciimath) {
if (!outHTML) {
outHTML += '\n';
}
outHTML += '<asciimath style="display: none;">' + (0, parse_mmd_element_1.formatSource)(data.asciimath) + '</asciimath>';
}
if (include_linearmath && data.linearmath) {
if (!outHTML) {
outHTML += '\n';
}
outHTML += '<linearmath style="display: none;">' + (0, parse_mmd_element_1.formatSource)(data.linearmath) + '</linearmath>';
}
if (include_latex && data.latex) {
if (!outHTML) {
outHTML += '\n';
}
outHTML += '<latex style="display: none;">' + (0, parse_mmd_element_1.formatSource)(data.latex) + '</latex>';
}
if (include_speech && data.speech) {
if (!outHTML) {
outHTML += '\n';
}
outHTML += '<speech style="display: none;">' + (0, parse_mmd_element_1.formatSource)(data.speech) + '</speech>';
}
if (include_error && data.error) {
if (!outHTML) {
outHTML += '\n';
}
outHTML += '<error style="display: none;">' + (0, parse_mmd_element_1.formatSource)(data.error) + '</error>';
}
if (include_svg && data.svg) {
if (!outHTML) {
outHTML += '\n';
}
outHTML += data.svg;
}
return outHTML;
};
exports.OuterHTML = OuterHTML;
/**
* Produces the rendered HTML string for a given output_format.
*
* Note: for "latex", this returns "" because the original LaTeX source is not
* available at this level (IOuterData doesn't carry it). The caller
* (buildFormatOutputs in convert-math-to-html.ts) replaces this empty string
* with the formatted LaTeX source via formatSource(inputLatex).
*/
var renderByFormat = function (data, outMath, forPptx) {
if (forPptx === void 0) { forPptx = false; }
switch (outMath === null || outMath === void 0 ? void 0 : outMath.output_format) {
case "latex":
return "";
case "mathml":
return data.mathml ? (0, parse_mmd_element_1.formatSourceMML)(data.mathml) : "";
default:
return (0, exports.OuterHTML)(data, outMath, forPptx);
}
};
exports.MathJax = {
assistiveMml: true,
nonumbers: false,
_a11y: {
renderKey: (0, utils_3.uid)(),
counter: 0,
},
beginRender: function (renderKey) {
this._a11y.renderKey = renderKey || (0, utils_3.uid)();
this._a11y.counter = 0;
},
nextAssistiveId: function (prefix) {
if (prefix === void 0) { prefix = 'mjx-mml-'; }
this._a11y.counter += 1;
return "".concat(prefix).concat(this._a11y.renderKey, "-").concat(this._a11y.counter);
},
checkAccessibility: function (accessibility, nonumbers) {
if (accessibility === void 0) { accessibility = null; }
if (nonumbers === void 0) { nonumbers = false; }
if (!this.assistiveMml && accessibility !== null) {
this.assistiveMml = true;
this.nonumbers = nonumbers;
MJ.changeHandler(true, nonumbers);
return;
}
if (this.assistiveMml && accessibility === null) {
this.assistiveMml = false;
this.nonumbers = nonumbers;
MJ.changeHandler(false, nonumbers);
return;
}
if (this.nonumbers !== nonumbers) {
this.nonumbers = nonumbers;
MJ.changeHandler(this.assistiveMml, nonumbers);
}
},
//
// Return the stylesheet DOM node
//
Stylesheet: function () {
return mathjax_1.svg.styleSheet(MJ.mDocTeX);
},
TexConvert: function (string, options, throwError) {
var _a, _b, _c, _d, _e, _f;
if (options === void 0) { options = {}; }
if (throwError === void 0) { throwError = false; }
var _g = options.display, display = _g === void 0 ? true : _g, _h = options.metric, metric = _h === void 0 ? {} : _h, _j = options.outMath, outMath = _j === void 0 ? {} : _j, _k = options.mathJax, mathJax = _k === void 0 ? {} : _k, _l = options.forDocx, forDocx = _l === void 0 ? {} : _l, _m = options.accessibility, accessibility = _m === void 0 ? null : _m, _o = options.nonumbers, nonumbers = _o === void 0 ? false : _o;
var _p = metric.em, em = _p === void 0 ? 16 : _p, _q = metric.ex, ex = _q === void 0 ? 8 : _q, _r = metric.cwidth, cwidth = _r === void 0 ? 1200 : _r, _s = metric.lwidth, lwidth = _s === void 0 ? 100000 : _s, _t = metric.scale, scale = _t === void 0 ? 1 : _t;
var _u = mathJax.mtextInheritFont, mtextInheritFont = _u === void 0 ? false : _u;
this.checkAccessibility(accessibility, nonumbers);
MJ.mDocTeX.outputJax.options.mtextInheritFont = mtextInheritFont;
try {
/** Here we use different package settings.
* In order to flatten arrays in asccimath for TSV/CSV we add an extra attribute to the internal mml tree.
* So for \begin{array} we add a name attribute that points to the environment */
var node = ((_b = (_a = options === null || options === void 0 ? void 0 : options.outMath) === null || _a === void 0 ? void 0 : _a.optionAscii) === null || _b === void 0 ? void 0 : _b.tableToTsv) || ((_d = (_c = options === null || options === void 0 ? void 0 : options.outMath) === null || _c === void 0 ? void 0 : _c.optionAscii) === null || _d === void 0 ? void 0 : _d.tableToCsv) || ((_f = (_e = options === null || options === void 0 ? void 0 : options.outMath) === null || _e === void 0 ? void 0 : _e.optionAscii) === null || _f === void 0 ? void 0 : _f.tableToMd)
? MJ.docTeXTSV.convert(string, {
display: display,
em: em,
ex: ex,
containerWidth: cwidth, lineWidth: lwidth, scale: scale
})
: MJ.mDocTeX.convert(string, {
display: display,
em: em,
ex: ex,
containerWidth: cwidth, lineWidth: lwidth, scale: scale
});
var outputJax = MJ.mDocTeX.outputJax;
return OuterData(MJ.adaptor, node, outputJax.math, outMath, forDocx, accessibility);
}
catch (err) {
if (throwError) {
throw err;
}
(0, utils_1.formatMathJaxError)(err, string, 'TexConvert');
if (outMath && outMath.include_svg) {
var node = MJ.docTeX.convert(string, {
display: display,
em: em,
ex: ex,
containerWidth: cwidth, lineWidth: lwidth,
scale: scale,
});
return OuterDataError(MJ.adaptor, node, string, err, outMath);
}
return OuterDataError(MJ.adaptor, null, string, err, outMath);
}
},
TexConvertToAscii: function (string, options) {
if (options === void 0) { options = {}; }
var _a = options.display, display = _a === void 0 ? true : _a, _b = options.metric, metric = _b === void 0 ? {} : _b, _c = options.outMath, outMath = _c === void 0 ? {} : _c, _d = options.accessibility, accessibility = _d === void 0 ? null : _d;
var _e = metric.em, em = _e === void 0 ? 16 : _e, _f = metric.ex, ex = _f === void 0 ? 8 : _f, _g = metric.cwidth, cwidth = _g === void 0 ? 1200 : _g, _h = metric.lwidth, lwidth = _h === void 0 ? 100000 : _h, _j = metric.scale, scale = _j === void 0 ? 1 : _j;
this.checkAccessibility(accessibility);
MJ.docTeX.convert(string, {
display: display,
em: em,
ex: ex,
containerWidth: cwidth, lineWidth: lwidth,
scale: scale,
});
var outputJax = MJ.docTeX.outputJax;
var _k = outMath.optionAscii, optionAscii = _k === void 0 ? {
showStyle: false,
extraBrackets: true
} : _k;
var dataAscii = toAsciiML(outputJax.math.root, optionAscii);
return dataAscii.ascii;
},
/**
* Typeset a TeX expression and return the SVG tree for it
*
* @param string {string}
* @param options {}
*/
Typeset: function (string, options, throwError) {
if (options === void 0) { options = {}; }
if (throwError === void 0) { throwError = false; }
var data = this.TexConvert(string, options, throwError);
return {
html: renderByFormat(data, options.outMath, options.forPptx),
labels: data.labels,
ascii: data.asciimath,
linear: data.linearmath,
ascii_tsv: data === null || data === void 0 ? void 0 : data['asciimath_tsv'],
ascii_csv: data === null || data === void 0 ? void 0 : data['asciimath_csv'],
ascii_md: data === null || data === void 0 ? void 0 : data['asciimath_md'],
data: tslib_1.__assign({}, data)
};
},
TypesetSvgAndAscii: function (string, options) {
if (options === void 0) { options = {}; }
var _a = options.outMath, outMath = _a === void 0 ? {} : _a;
var _b = outMath.include_asciimath, include_asciimath = _b === void 0 ? false : _b;
options.outMath.include_asciimath = true;
var data = this.TexConvert(string, options);
options.outMath.include_asciimath = include_asciimath;
return {
html: renderByFormat(data, outMath),
ascii: data.asciimath,
linear: data.linearmath,
labels: data.labels,
ascii_tsv: data === null || data === void 0 ? void 0 : data['asciimath_tsv'],
ascii_csv: data === null || data === void 0 ? void 0 : data['asciimath_csv'],
ascii_md: data === null || data === void 0 ? void 0 : data['asciimath_md'],
data: tslib_1.__assign({}, data)
};
},
/**
* Typeset a MathML expression and return the SVG tree for it
*
* @param string {string}
* @param options {}
*/
TypesetMathML: function (string, options) {
if (options === void 0) { options = {}; }
var _a = options.display, display = _a === void 0 ? true : _a, _b = options.metric, metric = _b === void 0 ? {} : _b, _c = options.outMath, outMath = _c === void 0 ? {} : _c, _d = options.forDocx, forDocx = _d === void 0 ? {} : _d, _e = options.accessibility, accessibility = _e === void 0 ? null : _e;
var _f = metric.em, em = _f === void 0 ? 16 : _f, _g = metric.ex, ex = _g === void 0 ? 8 : _g, _h = metric.cwidth, cwidth = _h === void 0 ? 1200 : _h, _j = metric.lwidth, lwidth = _j === void 0 ? 100000 : _j, _k = metric.scale, scale = _k === void 0 ? 1 : _k;
this.checkAccessibility(accessibility);
var node = MJ.docMathML.convert(string, { display: display, em: em, ex: ex, containerWidth: cwidth, lineWidth: lwidth, scale: scale });
var outputJax = MJ.docMathML.outputJax;
var outerDataMathMl = OuterDataMathMl(MJ.adaptor, node, outputJax.math, outMath, forDocx, accessibility);
return {
html: (outMath === null || outMath === void 0 ? void 0 : outMath.output_format) === 'mathml'
? (0, parse_mmd_element_1.formatSourceMML)(outerDataMathMl.mathml)
: (0, exports.OuterHTML)(outerDataMathMl, options.outMath),
data: tslib_1.__assign({}, outerDataMathMl)
};
},
AsciiMathToSvg: function (string, options) {
if (options === void 0) { options = {}; }
var _a = options.display, display = _a === void 0 ? true : _a, _b = options.metric, metric = _b === void 0 ? {} : _b, _c = options.outMath, outMath = _c === void 0 ? {} : _c, _d = options.forDocx, forDocx = _d === void 0 ? {} : _d, _e = options.accessibility, accessibility = _e === void 0 ? null : _e;
var _f = metric.em, em = _f === void 0 ? 16 : _f, _g = metric.ex, ex = _g === void 0 ? 8 : _g, _h = metric.cwidth, cwidth = _h === void 0 ? 1200 : _h, _j = metric.lwidth, lwidth = _j === void 0 ? 100000 : _j, _k = metric.scale, scale = _k === void 0 ? 1 : _k;
this.checkAccessibility(accessibility);
var node = MJ.docAsciiMath.convert(string, {
display: display,
em: em,
ex: ex,
containerWidth: cwidth, lineWidth: lwidth,
scale: scale,
});
var outputJax = MJ.docAsciiMath.outputJax;
var outerDataAscii = OuterDataAscii(MJ.adaptor, node, outputJax.math, outMath, forDocx, accessibility);
return (outMath === null || outMath === void 0 ? void 0 : outMath.output_format) === 'mathml'
? (0, parse_mmd_element_1.formatSourceMML)(outerDataAscii.mathml)
: (0, exports.OuterHTML)(outerDataAscii, options.outMath);
},
//
// Reset tags and labels
//
Reset: function (n) {
if (n === void 0) { n = 0; }
if (n) {
n--;
}
else {
n = 0;
}
MJ.mTex.parseOptions.tags.reset(n);
},
GetLastEquationNumber: function () {
var tags = MJ.mTex.parseOptions.tags;
return tags.counter;
}
};
//# sourceMappingURL=index.js.map