86 lines
3.2 KiB
TypeScript
86 lines
3.2 KiB
TypeScript
import { describe, expect, test } from "bun:test";
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import { formatWrn, parse } from "../src/index.ts";
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const options = {
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insertSpaces: true,
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tabSize: 2,
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printWidth: 70,
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multilineAttributes: true,
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} as const;
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describe("canonical WRN formatter", () => {
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test("formats declarations, structured values, markup, and imports idempotently", () => {
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const source = `import Card from "@/components/Card.wrn"
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component Demo {
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props { title: string = "Hello" items = [{ id: 1, label: "One" }] }
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view {
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<Card title='{title}' items='{items}' class="very-long-utility-name another-long-utility-name"><strong>{title}</strong></Card>
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}
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}`;
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const formatted = formatWrn(source, options);
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expect(formatted).toContain('import Card from "@/components/Card.wrn"');
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expect(formatted).toContain('props {\n title: string = "Hello"');
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expect(formatted).toContain('items = [{ id: 1, label: "One" }]');
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expect(formatted).toContain("<Card\n");
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expect(formatWrn(formatted, options)).toBe(formatted);
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expect(() => parse(formatted)).not.toThrow();
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});
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test("preserves comments and normalizes the final newline", () => {
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const source = `// leading comment\r\npage Home {\r\nview { <!-- keep --> <p>Home</p> }\r\n}`;
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const formatted = formatWrn(source, options);
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expect(formatted.startsWith("// leading comment\n")).toBe(true);
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expect(formatted).toContain("<!-- keep -->");
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expect(formatted.endsWith("\n")).toBe(true);
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expect(formatted).not.toContain("\r");
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});
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});
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test("preserves preformatted code examples while formatting surrounding markup", () => {
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const source = `page Docs {
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view {
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<section class="docs">
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<pre><code><span class="code-muted">// One project, one language</span>
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<span class="code-key">page</span> ProductDashboard {
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<span class="code-key">state</span> count: number = 0
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<button @click='count++'>Ship {count}</button>
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}</code></pre>
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</section>
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}
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}
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`;
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const formatted = formatWrn(source, options);
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expect(formatted)
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.toContain(`<pre><code><span class="code-muted">// One project, one language</span>
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<span class="code-key">page</span> ProductDashboard {
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<span class="code-key">state</span> count: number = 0`);
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expect(formatWrn(formatted, options)).toBe(formatted);
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expect(() => parse(formatted)).not.toThrow();
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});
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test("does not split an attribute-free opening tag delimiter", () => {
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const source = `page Docs {
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view {
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<p>This is intentionally long documentation copy that should wrap as content without formatting the opening p tag as separate less-than and greater-than lines.</p>
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}
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}
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`;
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const formatted = formatWrn(source, options);
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expect(formatted).toContain(" <p>\n");
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expect(formatted).not.toContain(" <p\n >");
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expect(formatWrn(formatted, options)).toBe(formatted);
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});
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test("preserves balanced compact sibling markup without indentation drift", () => {
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const source = `page Compact {
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view {
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<div class="strip"><span>Page</span><b>→</b><span>API</span></div>
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}
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}\n`;
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const formatted = formatWrn(source, { tabSize: 2, printWidth: 80 });
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expect(formatted).toContain('<div class="strip"><span>Page</span><b>→</b><span>API</span></div>');
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expect(formatWrn(formatted, { tabSize: 2, printWidth: 80 })).toBe(formatted);
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});
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