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// @flow
import defineFunction, {ordargument} from "../defineFunction";
import buildCommon from "../buildCommon";
import mathMLTree from "../mathMLTree";
import * as html from "../buildHTML";
import * as mml from "../buildMathML";
// \hbox is provided for compatibility with LaTeX \vcenter.
// In LaTeX, \vcenter can act only on a box, as in
// \vcenter{\hbox{$\frac{a+b}{\dfrac{c}{d}}$}}
// This function by itself doesn't do anything but prevent a soft line break.
defineFunction({
type: "hbox",
names: ["\\hbox"],
props: {
numArgs: 1,
argTypes: ["text"],
allowedInText: true,
primitive: true,
},
handler({parser}, args) {
return {
type: "hbox",
mode: parser.mode,
body: ordargument(args[0]),
};
},
htmlBuilder(group, options) {
const elements = html.buildExpression(group.body, options, false);
return buildCommon.makeFragment(elements);
},
mathmlBuilder(group, options) {
return new mathMLTree.MathNode(
"mrow", mml.buildExpression(group.body, options)
);
},
});
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