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)
198 lines • 7.21 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.BeginAlign = exports.SeparateInlineBlocksBeginAlign = exports.openTag = void 0;
var begin_tabular_1 = require("./begin-tabular");
var includegraphics_1 = require("../md-inline-rule/includegraphics");
exports.openTag = /\\begin\s{0,}\{(center|left|right)\}/;
var openCloseTag = /\\begin\s{0,}\{(center|left|right)\}\s{0,}([\s\S]*?)\s{0,}\\end\s{0,}\{(center|left|right)\}/;
var endTag = function (arg) {
if (arg === void 0) { arg = 'center'; }
return new RegExp('\\end\s{0,}\{(' + arg + ')\}');
};
var SeparateInlineBlocksBeginAlign = function (state, startLine, nextLine, content, align) {
var res = [];
var match = content.match(openCloseTag);
if (match) {
if (match.index > 0) {
res.push({ content: content.slice(0, match.index), align: align });
}
res.push({ content: match[2], align: match[1] });
content = content.slice(match.index + match[0].length);
res = res.concat((0, exports.SeparateInlineBlocksBeginAlign)(state, startLine, nextLine, content, align));
}
else {
res.push({ content: content, align: align });
}
return res;
};
exports.SeparateInlineBlocksBeginAlign = SeparateInlineBlocksBeginAlign;
var InlineBlockBeginAlign = function (state, startLine) {
var token;
var pos = state.bMarks[startLine] + state.tShift[startLine];
var max = state.eMarks[startLine];
var lineText = state.src.slice(pos, max);
var match = lineText.match(exports.openTag);
if (!match) {
return false;
}
var align = match[1];
var closeTag = endTag(align);
var pB = match.index + match[0].length;
var matchE = lineText.match(closeTag);
var pE = matchE ? matchE.index : 0;
//const dopDiv: string = matchE ? lineText.slice(matchE.index + matchE[0].length) : '';
token = state.push('paragraph_open', 'div', 1);
token.attrs = [
['class', 'center'],
['style', "text-align: ".concat(align ? align : 'center')]
];
if (state.md.options.forLatex) {
if (align && ['left', 'right'].includes(align)) {
token.latex = "\\begin{flush".concat(align, "}");
}
else {
token.latex = "\\begin{".concat(align ? align : 'center', "}");
}
}
token.map = [startLine, startLine + 1];
if (pB > 0) {
state.tShift[startLine] = pB;
}
if (pE > 0) {
state.eMarks[startLine] = state.eMarks[startLine] - (lineText.length - pE + 1);
}
state.parentType = 'paragraph';
state.env.align = align;
var content = state.src.slice(state.bMarks[startLine] + state.tShift[startLine], state.eMarks[startLine]);
if (!(0, begin_tabular_1.StatePushTabularBlock)(state, startLine, startLine + 1, content, align)) {
if (!(0, includegraphics_1.StatePushIncludeGraphics)(state, startLine, startLine + 1, content, align)) {
(0, begin_tabular_1.StatePushDiv)(state, startLine, startLine + 1, content);
}
}
token = state.push('paragraph_close', 'div', -1);
if (state.md.options.forLatex) {
if (align && ['left', 'right'].includes(align)) {
token.latex = "\\end{flush".concat(align, "}");
}
else {
token.latex = "\\end{".concat(align ? align : 'center', "}");
}
}
state.line = startLine + 1;
return true;
};
var BeginAlign = function (state, startLine, endLine, silent) {
var token;
var pos = state.bMarks[startLine] + state.tShift[startLine];
var max = state.eMarks[startLine];
var nextLine = startLine + 1;
var lineText = state.src.slice(pos, max);
if (lineText.charCodeAt(0) !== 0x5c /* \ */) {
return false;
}
var resText = '';
var isCloseTagExist = false;
var match = lineText.match(exports.openTag);
if (!match) {
return false;
}
/** For validation mode we can terminate immediately */
if (silent) {
return true;
}
var align = match[1];
var closeTag = endTag(align);
var pB = 0;
if (closeTag.test(lineText)) {
if (InlineBlockBeginAlign(state, startLine)) {
return true;
}
}
if (match.index + match[0].length < lineText.trim().length) {
pB = match.index + match[0].length;
resText = lineText.slice(match.index + match[0].length);
}
for (; nextLine < endLine; nextLine++) {
pos = state.bMarks[nextLine] + state.tShift[nextLine];
max = state.eMarks[nextLine];
lineText = state.src.slice(pos, max);
if (closeTag.test(lineText)) {
isCloseTagExist = true;
lineText += '\n';
break;
//if (state.isEmpty(nextLine+1)) { break }
}
if (resText && lineText) {
resText += '\n' + lineText;
}
else {
resText += lineText;
}
// this would be a code block normally, but after paragraph
// it's considered a lazy continuation regardless of what's there
if (state.sCount[nextLine] - state.blkIndent > 3) {
continue;
}
// quirk for blockquotes, this line should already be checked by that rule
if (state.sCount[nextLine] < 0) {
continue;
}
}
if (!isCloseTagExist) {
return false;
}
var matchE = lineText.match(closeTag);
var pE = 0;
//let pE = matchE ? matchE.index: 0;
if (matchE) {
resText += lineText.slice(0, matchE.index - 1);
pE = matchE.index;
}
token = state.push('paragraph_open', 'div', 1);
token.attrs = [
['class', 'center'],
['style', "text-align: ".concat(align ? align : 'center')]
];
if (state.md.options.forLatex) {
if (align && ['left', 'right'].includes(align)) {
token.latex = "\\begin{flush".concat(align, "}");
}
else {
token.latex = "\\begin{".concat(align ? align : 'center', "}");
}
}
token.map = [startLine, (pE > 0) ? nextLine : nextLine + 1];
if (pB > 0) {
state.tShift[startLine] = pB;
}
else {
startLine += 1;
}
if (pE > 0) {
state.eMarks[nextLine] = state.eMarks[nextLine] - (lineText.length - pE + 1);
}
else {
nextLine += 1;
}
state.parentType = 'paragraph';
state.env.align = align;
var content = resText.trim();
if (!(0, begin_tabular_1.StatePushTabularBlock)(state, startLine, nextLine, content, align)) {
if (!(0, includegraphics_1.StatePushIncludeGraphics)(state, startLine, nextLine, content, align)) {
(0, begin_tabular_1.StatePushDiv)(state, startLine, nextLine, content);
}
}
token = state.push('paragraph_close', 'div', -1);
if (state.md.options.forLatex) {
if (align && ['left', 'right'].includes(align)) {
token.latex = "\\end{flush".concat(align, "}");
}
else {
token.latex = "\\end{".concat(align ? align : 'center', "}");
}
}
state.line = nextLine;
return true;
};
exports.BeginAlign = BeginAlign;
//# sourceMappingURL=begin-align.js.map