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Fix double new line issues in markdown rendering (#199)

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* prevent double blank lines after markdown elements

* prevent double blank lines after markdown elements
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Markus Ylisiurunen 2025-12-16 01:25:06 +02:00 • committed by GitHub
parent ce9ffaff91
commit 92577316e0
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2 changed files with 97 additions and 3 deletions
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88
packages/tui/test/markdown.test.ts
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@ -285,6 +285,94 @@ again, hello world`,
});
});
describe("Spacing after dividers", () => {
it("should have only one blank line between divider and following paragraph", () => {
const markdown = new Markdown(
`hello world
---
again, hello world`,
0,
0,
defaultMarkdownTheme,
);
const lines = markdown.render(80);
const plainLines = lines.map((line) => line.replace(/\x1b\[[0-9;]*m/g, "").trimEnd());
const dividerIndex = plainLines.findIndex((line) => line.includes("─"));
assert.ok(dividerIndex !== -1, "Should have divider");
const afterDivider = plainLines.slice(dividerIndex + 1);
const emptyLineCount = afterDivider.findIndex((line) => line !== "");
assert.strictEqual(
emptyLineCount,
1,
`Expected 1 empty line after divider, but found ${emptyLineCount}. Lines after divider: ${JSON.stringify(afterDivider.slice(0, 5))}`,
);
});
});
describe("Spacing after headings", () => {
it("should have only one blank line between heading and following paragraph", () => {
const markdown = new Markdown(
`# Hello
This is a paragraph`,
0,
0,
defaultMarkdownTheme,
);
const lines = markdown.render(80);
const plainLines = lines.map((line) => line.replace(/\x1b\[[0-9;]*m/g, "").trimEnd());
const headingIndex = plainLines.findIndex((line) => line.includes("Hello"));
assert.ok(headingIndex !== -1, "Should have heading");
const afterHeading = plainLines.slice(headingIndex + 1);
const emptyLineCount = afterHeading.findIndex((line) => line !== "");
assert.strictEqual(
emptyLineCount,
1,
`Expected 1 empty line after heading, but found ${emptyLineCount}. Lines after heading: ${JSON.stringify(afterHeading.slice(0, 5))}`,
);
});
});
describe("Spacing after blockquotes", () => {
it("should have only one blank line between blockquote and following paragraph", () => {
const markdown = new Markdown(
`hello world
> This is a quote
again, hello world`,
0,
0,
defaultMarkdownTheme,
);
const lines = markdown.render(80);
const plainLines = lines.map((line) => line.replace(/\x1b\[[0-9;]*m/g, "").trimEnd());
const quoteIndex = plainLines.findIndex((line) => line.includes("This is a quote"));
assert.ok(quoteIndex !== -1, "Should have blockquote");
const afterQuote = plainLines.slice(quoteIndex + 1);
const emptyLineCount = afterQuote.findIndex((line) => line !== "");
assert.strictEqual(
emptyLineCount,
1,
`Expected 1 empty line after blockquote, but found ${emptyLineCount}. Lines after quote: ${JSON.stringify(afterQuote.slice(0, 5))}`,
);
});
});
describe("HTML-like tags in text", () => {
it("should render content with HTML-like tags as text", () => {
// When the model emits something like <thinking>content</thinking> in regular text,