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feat: hide ">" in blockmath #387

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feat: hide ">" in blockmath #387

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15 changes: 13 additions & 2 deletions src/editor_extensions/math_tooltip.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -47,13 +47,24 @@ export function handleMathTooltip(update: ViewUpdate) {

// HACK: eqnBounds is not null because shouldShowTooltip was true
const eqnBounds = ctx.getBounds();
const eqn = update.state.sliceDoc(eqnBounds.start, eqnBounds.end);
let eqn = update.state.sliceDoc(eqnBounds.start, eqnBounds.end);

const above = settings.mathPreviewPositionIsAbove;
const create = () => {
const dom = document.createElement("div");
dom.addClass("cm-tooltip-cursor");

// there is a plugin that can hide > in block math mode in the output.
if (ctx.mode.blockMath) {
// check if every newline is followed by the same amount of > as the line of the opening delimiters
// if so hide them. A maximum of 3 spaces can be at the beginning of the line before its not a block-quote.
const blockQuoteCount: number | null = update.state.doc.lineAt(eqnBounds.start).text.match(/^ {0,3}(>+)/)?.[1].length;
if (blockQuoteCount) {
const regex = new RegExp(`^ {0,3}>{${blockQuoteCount}}`, "gm");
if (regex.test(eqn)) {
eqn = eqn.replaceAll(regex, "");
}
}
}
const renderedEqn = renderMath(eqn, ctx.mode.blockMath || ctx.mode.codeMath);
dom.appendChild(renderedEqn);
finishRenderMath();
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