87 lines
2.9 KiB
JavaScript
87 lines
2.9 KiB
JavaScript
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import assert from "node:assert/strict";
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import { execFileSync } from "node:child_process";
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import { test } from "node:test";
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import { parse } from "@typescript-eslint/parser";
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import { ESLint } from "eslint";
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const eslint = new ESLint({ fix: true });
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function syntax(source) {
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const tree = parse(source, { sourceType: "module", ecmaFeatures: { jsx: true } });
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return JSON.stringify(tree, (key, value) =>
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["loc", "range", "start", "end", "tokens", "comments"].includes(key) ? undefined : value
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);
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}
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const source = `import { helper } from "example";
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export interface Example { value: number }
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type Identifier = string;
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function first() { return 1; }
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function second() { return 2; }
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const arrow = () => 3;
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const other = () => 4;
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class Service {
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value = 1;
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enabled = true;
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constructor() {}
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first() { return this.value; }
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second() { return 2; }
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}
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function overloaded(value: string): string;
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function overloaded(value: number): number;
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function overloaded(value: string | number) { return value; }
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export function View() { const label = "Nombre"; return <span>{label}</span>; }
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`;
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test("el espaciado separa declaraciones y métodos sin cambiar la sintaxis ni las sobrecargas", async () => {
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const [result] = await eslint.lintText(source, { filePath: "apps/web/src/spacing-example.tsx" });
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assert.ok(result);
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assert.equal(result.errorCount, 0);
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assert.ok(result.output);
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assert.match(result.output, /}\n\nfunction second/);
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assert.match(result.output, /const arrow = .*;\n\nconst other/);
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assert.match(result.output, /enabled = true;\n\n {2}constructor/);
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assert.match(result.output, /constructor\(\) {}\n\n {2}first/);
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assert.match(result.output, /value = 1;\n {2}enabled/);
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assert.match(result.output, /string;\nfunction overloaded/);
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assert.equal(syntax(result.output), syntax(source));
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const [repeated] = await eslint.lintText(result.output, {
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filePath: "apps/web/src/spacing-example.tsx",
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});
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assert.equal(repeated?.errorCount, 0);
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assert.equal(repeated?.output, undefined);
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});
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test("la biblioteca de terceros queda excluida", async () => {
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assert.equal(await eslint.isPathIgnored("packages/shadcn-ui/src/components/button.tsx"), true);
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});
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test("Biome y ESLint conservan el espaciado al repetir el formateo", async () => {
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const format = (text) =>
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execFileSync(
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"pnpm",
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["exec", "biome", "format", "--stdin-file-path=apps/web/src/spacing-example.tsx"],
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{ input: text, encoding: "utf8" }
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);
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const [spaced] = await eslint.lintText(format(source), {
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filePath: "apps/web/src/spacing-example.tsx",
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});
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assert.ok(spaced);
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assert.equal(spaced.errorCount, 0);
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const output = spaced.output ?? format(source);
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const biomeOutput = format(output);
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const [repeated] = await eslint.lintText(biomeOutput, {
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filePath: "apps/web/src/spacing-example.tsx",
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});
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assert.equal(repeated?.errorCount, 0);
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assert.equal(repeated?.output, undefined);
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assert.equal(syntax(output), syntax(biomeOutput));
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});
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