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simplify inline tex parsing

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Eric Rykwalder 2022-03-09 17:40:50 -05:00
parent 82886ae675
commit 71bf70e4d3
2 changed files with 6 additions and 6 deletions
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2
__tests__/extensions.ts
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@ -263,6 +263,8 @@ Line 5}
` `
{P:plaintext {XI:{xm:$}tex content{xm:$}} more plaintext} {P:plaintext {XI:{xm:$}tex content{xm:$}} more plaintext}
{P:plaintext {XI:{xm:$}tex content{xm:$}}more plaintext}
{P:{XI:{xm:$}1.234{xm:$}}} {P:{XI:{xm:$}1.234{xm:$}}}
` `
); );

10
src/extensions.ts
View file

@ -429,16 +429,14 @@ export const Tex: MarkdownConfig = {
{ {
name: "TexInline", name: "TexInline",
parse(cx: InlineContext, next: number, pos: number) { parse(cx: InlineContext, next: number, pos: number) {
let match = /^\$[^$\s]/.exec(cx.text.slice(pos - cx.offset)); let match = /^\$(?:[^$\t ][^$]*)?[^$\t \\]\$(\D|$)/.exec(
cx.text.slice(pos - cx.offset)
);
if (!match) { if (!match) {
return -1; return -1;
} }
const start = pos; const start = pos;
match = /[^\t \\]\$(\D|$)/.exec(cx.text.slice(pos - cx.offset + 1)); const end = start + match[0].length - match[1].length;
if (!match) {
return -1;
}
const end = start + 1 + match.index + 2;
return cx.addElement( return cx.addElement(
cx.elt("TexInline", start, end, [ cx.elt("TexInline", start, end, [
cx.elt("TexMarker", start, start + 1), cx.elt("TexMarker", start, start + 1),