/
prefer-declare-function.test.ts
66 lines (63 loc) · 1.29 KB
/
prefer-declare-function.test.ts
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import { ESLintUtils } from "@typescript-eslint/utils";
import * as preferDeclareFunction from "../src/rules/prefer-declare-function";
const ruleTester = new ESLintUtils.RuleTester({
parser: "@typescript-eslint/parser",
});
ruleTester.run("prefer-declare-function", preferDeclareFunction, {
invalid: [
{
filename: "index.d.ts",
code: `export const example: () => void;`,
errors: [
{
column: 14,
endColumn: 33,
line: 1,
messageId: "variableFunction",
},
],
},
{
filename: "index.d.ts",
code: `
namespace N {
export const example: () => void;
}
`,
errors: [
{
column: 26,
endColumn: 45,
line: 3,
messageId: "variableFunction",
},
],
},
{
filename: "index.d.ts",
code: `
namespace N {
const example: () => void;
}
`,
errors: [
{
column: 19,
endColumn: 38,
line: 3,
messageId: "variableFunction",
},
],
},
],
valid: [
{
filename: "index.d.ts",
code: `function example(): void`,
},
{
filename: "test.ts",
code: `export const example: () => void;`,
},
],
});