chore: initial commit

test/basic.js

@@ -0,0 +1,15 @@
+const test = require('tape')
+
+const config = require('../index.js')
+
+test('test basic properties of config', function (t) {
+  t.ok(isObject(config.parserOptions))
+  t.ok(isObject(config.env))
+  t.ok(isObject(config.rules))
+  t.ok(isObject(config.overrides))
+  t.end()
+})
+
+function isObject(object) {
+  return typeof object === 'object' && object !== null
+}

test/fixtures/javascript-no-errors.js

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+const foo = 1
+const bar = (argument) => {
+  return argument + foo
+}
+bar(foo)

test/fixtures/javascript-with-errors.js

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+'invalid eqeqeq' == 'invalid eqeqeq'

test/fixtures/top-level-await.mjs

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+const foo = await 1
+const bar = function () {}
+await bar(foo)

test/fixtures/typescript-no-errors.ts

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+const foo = 1
+const bar = (argument: number): number => {
+  return argument + foo
+}
+bar(foo)

test/fixtures/typescript-with-errors.ts

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+const foo = 1
+const bar = (argument: number) => {
+  return argument + foo
+}
+bar(foo)

test/validate-config.js

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+const { ESLint } = require('eslint')
+const test = require('tape')
+
+test('ensure we validate correctly JavaScript files', async (t) => {
+  const eslint = new ESLint({ ignore: false })
+  const [noErrors] = await eslint.lintFiles(
+    'test/fixtures/javascript-no-errors.js'
+  )
+  const [withErrors] = await eslint.lintFiles(
+    'test/fixtures/javascript-with-errors.js'
+  )
+  t.equal(noErrors.errorCount, 0)
+  t.equal(withErrors.errorCount, 3)
+  t.end()
+})
+
+test('ensure we validate correctly TypeScript files', async (t) => {
+  const eslint = new ESLint({ ignore: false })
+  const [noErrors] = await eslint.lintFiles(
+    'test/fixtures/typescript-no-errors.ts'
+  )
+  const [withErrors] = await eslint.lintFiles(
+    'test/fixtures/javascript-with-errors.js'
+  )
+  t.equal(noErrors.errorCount, 0)
+  t.equal(withErrors.errorCount, 3)
+  t.end()
+})
+
+test('ensure we allow top-level await', async (t) => {
+  const eslint = new ESLint({ ignore: false })
+  const [lintResult] = await eslint.lintFiles(
+    'test/fixtures/top-level-await.mjs'
+  )
+  t.equal(lintResult.errorCount, 0)
+  t.end()
+})