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Refactor and comment space splicing code

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This commit is contained in:
Erik Demaine 2017-05-12 09:33:14 -04:00
parent 7192bd6595
commit 5165cc48e6
1 changed files with 13 additions and 7 deletions
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20
src/buildHTML.js
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@ -93,14 +93,20 @@ const buildExpression = function(expression, options, isRealGroup) {
// CSS. So we splice them out of `groups` and into the atoms themselves.
for (let i = 0; i < groups.length; i++) {
const spaces = spliceSpaces(groups, i);
if (spaces && i < groups.length) {
if (groups[i] instanceof domTree.symbolNode) {
groups[i] = makeSpan([].concat(groups[i].classes), [groups[i]]);
if (spaces) {
// Splicing of spaces may have removed all remaining groups.
if (i < groups.length) {
// If there is a following group, move space within it.
if (groups[i] instanceof domTree.symbolNode) {
groups[i] = makeSpan([].concat(groups[i].classes),
[groups[i]]);
}
buildCommon.prependChildren(groups[i], spaces);
} else {
// Otherwise, put any spaces back at the end of the groups.
Array.prototype.push.apply(groups, spaces);
break;
}
buildCommon.prependChildren(groups[i], spaces);
} else if (spaces) {
Array.prototype.push.apply(groups, spaces);
break;
}
}