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https://github.com/getcompanion-ai/co-mono.git
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ce7e73b503
* Add frontmatter utility and tidy coding agent prompts * Add frontmatter parsing utilities and tests * Parse frontmatter with YAML parser * Simplify frontmatter parsing utilities * strip body in 1 place * Improve frontmatter parsing error handling * Normalize multiline skill and select-list descriptions
60 lines
2.4 KiB
TypeScript
60 lines
2.4 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { parseFrontmatter, stripFrontmatter } from "../src/utils/frontmatter.js";
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describe("parseFrontmatter", () => {
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it("parses keys, strips quotes, and returns body", () => {
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const input = "---\nname: \"skill-name\"\ndescription: 'A desc'\nfoo-bar: value\n---\n\nBody text";
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const { frontmatter, body } = parseFrontmatter<Record<string, string>>(input);
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expect(frontmatter.name).toBe("skill-name");
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expect(frontmatter.description).toBe("A desc");
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expect(frontmatter["foo-bar"]).toBe("value");
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expect(body).toBe("Body text");
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});
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it("normalizes newlines and handles CRLF", () => {
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const input = "---\r\nname: test\r\n---\r\nLine one\r\nLine two";
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const { body } = parseFrontmatter<Record<string, string>>(input);
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expect(body).toBe("Line one\nLine two");
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});
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it("throws on invalid YAML frontmatter", () => {
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const input = "---\nfoo: [bar\n---\nBody";
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expect(() => parseFrontmatter<Record<string, string>>(input)).toThrow(/at line 1, column 10/);
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});
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it("parses | multiline yaml syntax", () => {
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const input = "---\ndescription: |\n Line one\n Line two\n---\n\nBody";
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const { frontmatter, body } = parseFrontmatter<Record<string, string>>(input);
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expect(frontmatter.description).toBe("Line one\nLine two\n");
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expect(body).toBe("Body");
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});
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it("returns original content when frontmatter is missing or unterminated", () => {
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const noFrontmatter = "Just text\nsecond line";
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const missingEnd = "---\nname: test\nBody without terminator";
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const resultNoFrontmatter = parseFrontmatter<Record<string, string>>(noFrontmatter);
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const resultMissingEnd = parseFrontmatter<Record<string, string>>(missingEnd);
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expect(resultNoFrontmatter.body).toBe("Just text\nsecond line");
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expect(resultMissingEnd.body).toBe(
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"---\nname: test\nBody without terminator".replace(/\r\n/g, "\n").replace(/\r/g, "\n"),
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);
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});
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it("returns empty object for empty or comment-only frontmatter", () => {
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const input = "---\n# just a comment\n---\nBody";
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const { frontmatter } = parseFrontmatter(input);
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expect(frontmatter).toEqual({});
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});
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});
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describe("stripFrontmatter", () => {
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it("removes frontmatter and trims body", () => {
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const input = "---\nkey: value\n---\n\nBody\n";
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expect(stripFrontmatter(input)).toBe("Body");
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});
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it("returns body when no frontmatter present", () => {
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const input = "\n No frontmatter body \n";
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expect(stripFrontmatter(input)).toBe("\n No frontmatter body \n");
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});
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});
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