import { describe, expect, it } from "vitest"; import {
markdownToSlackMrkdwn,
markdownToSlackMrkdwnChunks,
normalizeSlackOutboundText,
} from "./format.js"; import { escapeSlackMrkdwn } from "./monitor/mrkdwn.js";
describe("markdownToSlackMrkdwn", () => {
it("handles core markdown formatting conversions", () => { const cases = [
["converts bold from double asterisks to single", "**bold text**", "*bold text*"],
["preserves italic underscore format", "_italic text_", "_italic text_"],
[ "converts strikethrough from double tilde to single", "~~strikethrough~~", "~strikethrough~",
],
[ "renders basic inline formatting together", "hi _there_ **boss** `code`", "hi _there_ *boss* `code`",
],
["renders inline code", "use `npm install`", "use `npm install`"],
["renders fenced code blocks", "```js\nconst x = 1;\n```", "```\nconst x = 1;\n```"],
[ "renders links with Slack mrkdwn syntax", "see [docs](https://example.com)", "see <https://example.com|docs>",
],
["does not duplicate bare URLs", "see https://example.com", "see https://example.com"],
["escapes unsafe characters", "a & b < c > d", "a & b < c > d"],
[ "preserves Slack angle-bracket markup (mentions/links)", "hi <@U123> see <https://example.com|docs> and <!here>", "hi <@U123> see <https://example.com|docs> and <!here>",
],
["escapes raw HTML", "<b>nope</b>", "<b>nope</b>"],
["renders paragraphs with blank lines", "first\n\nsecond", "first\n\nsecond"],
["renders bullet lists", "- one\n- two", "• one\n• two"],
["renders ordered lists with numbering", "2. two\n3. three", "2. two\n3. three"],
["renders headings as bold text", "# Title", "*Title*"],
["renders blockquotes", "> Quote", "> Quote"],
] as const; for (const [name, input, expected] of cases) {
expect(markdownToSlackMrkdwn(input), name).toBe(expected);
}
});
it("handles nested list items", () => { const res = markdownToSlackMrkdwn("- item\n - nested"); // markdown-it correctly parses this as a nested list
expect(res).toBe("• item\n • nested");
});
it("handles complex message with multiple elements", () => { const res = markdownToSlackMrkdwn( "**Important:** Check the _docs_ at [link](https://example.com)\n\n- first\n- second",
);
expect(res).toBe( "*Important:* Check the _docs_ at <https://example.com|link>\n\n• first\n• second",
);
});
it("does not throw when input is undefined at runtime", () => {
expect(markdownToSlackMrkdwn(undefined as unknown as string)).toBe("");
});
it("re-chunks on rendered length and still prefers word boundaries", () => { const chunks = markdownToSlackMrkdwnChunks("alpha <<", 8);
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