* Combine an array of HTML DOM nodes (e.g., the output of `buildExpression`) * into an unbreakable HTML node of class .base, with proper struts to * guarantee correct vertical extent. `buildHTML` calls this repeatedly to * make up the entire expression as a sequence of unbreakable units.
(children, options)
| 6480 | */ |
| 6481 | |
| 6482 | function buildHTMLUnbreakable(children, options) { |
| 6483 | // Compute height and depth of this chunk. |
| 6484 | const body = makeSpan$1(["base"], children, options); // Add strut, which ensures that the top of the HTML element falls at |
| 6485 | // the height of the expression, and the bottom of the HTML element |
| 6486 | // falls at the depth of the expression. |
| 6487 | // We used to have separate top and bottom struts, where the bottom strut |
| 6488 | // would like to use `vertical-align: top`, but in IE 9 this lowers the |
| 6489 | // baseline of the box to the bottom of this strut (instead of staying in |
| 6490 | // the normal place) so we use an absolute value for vertical-align instead. |
| 6491 | |
| 6492 | const strut = makeSpan$1(["strut"]); |
| 6493 | strut.style.height = body.height + body.depth + "em"; |
| 6494 | strut.style.verticalAlign = -body.depth + "em"; |
| 6495 | body.children.unshift(strut); |
| 6496 | return body; |
| 6497 | } |
| 6498 | /** |
| 6499 | * Take an entire parse tree, and build it into an appropriate set of HTML |
| 6500 | * nodes. |