Function array_htmlBuilder

static/katex/katex.js:9457–9691

(group, options)

}

var array_htmlBuilder = function htmlBuilder(group, options) {
  var r;
  var c;
  var nr = group.body.length;
  var hLinesBeforeRow = group.hLinesBeforeRow;
  var nc = 0;
  var body = new Array(nr);
  var hlines = []; // Horizontal spacing

  var pt = 1 / options.fontMetrics().ptPerEm;
  var arraycolsep = 5 * pt; // \arraycolsep in article.cls
  // Vertical spacing

  var baselineskip = 12 * pt; // see size10.clo
  // Default \jot from ltmath.dtx
  // TODO(edemaine): allow overriding \jot via \setlength (#687)

  var jot = 3 * pt;
  var arrayskip = group.arraystretch * baselineskip;
  var arstrutHeight = 0.7 * arrayskip; // \strutbox in ltfsstrc.dtx and

  var arstrutDepth = 0.3 * arrayskip; // \@arstrutbox in lttab.dtx

  var totalHeight = 0; // Set a position for \hline(s) at the top of the array, if any.

  function setHLinePos(hlinesInGap) {
    for (var i = 0; i < hlinesInGap.length; ++i) {
      if (i > 0) {
        totalHeight += 0.25;
      }

      hlines.push({
        pos: totalHeight,
        isDashed: hlinesInGap[i]
      });
    }
  }

  setHLinePos(hLinesBeforeRow[0]);

  for (r = 0; r < group.body.length; ++r) {
    var inrow = group.body[r];
    var height = arstrutHeight; // \@array adds an \@arstrut

    var depth = arstrutDepth; // to each tow (via the template)

    if (nc < inrow.length) {
      nc = inrow.length;
    }

    var outrow = new Array(inrow.length);

    for (c = 0; c < inrow.length; ++c) {
      var elt = buildHTML_buildGroup(inrow[c], options);

      if (depth < elt.depth) {
        depth = elt.depth;
      }