From aa74351d7d60ca985537ef257798184778fb64ec Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Tue, 22 Oct 2019 10:03:15 -0700
Subject: [PATCH 01/10] fix(typescript-estree): fix filename handling for vue
 JSX + markdown

---
 .../src/create-program/createSourceFile.ts    |  2 +
 tests/integration/docker-compose.yml          | 23 ++++++--
 .../fixtures/markdown/.eslintrc.yml           | 22 ++++++++
 tests/integration/fixtures/markdown/Doc.md    | 53 +++++++++++++++++++
 .../integration/fixtures/markdown/Dockerfile  | 17 ++++++
 tests/integration/fixtures/markdown/test.sh   | 22 ++++++++
 .../fixtures/markdown/tsconfig.json           |  6 +++
 .../fixtures/vue-sfc/.eslintrc.yml            |  2 +
 tests/integration/fixtures/vue-sfc/Jsx.vue    | 34 ++++++++++++
 tests/integration/fixtures/vue-sfc/test.sh    |  4 ++
 tests/integration/run-all-tests.sh            |  3 ++
 11 files changed, 185 insertions(+), 3 deletions(-)
 create mode 100644 tests/integration/fixtures/markdown/.eslintrc.yml
 create mode 100644 tests/integration/fixtures/markdown/Doc.md
 create mode 100644 tests/integration/fixtures/markdown/Dockerfile
 create mode 100755 tests/integration/fixtures/markdown/test.sh
 create mode 100644 tests/integration/fixtures/markdown/tsconfig.json
 create mode 100644 tests/integration/fixtures/vue-sfc/Jsx.vue

diff --git a/packages/typescript-estree/src/create-program/createSourceFile.ts b/packages/typescript-estree/src/create-program/createSourceFile.ts
index 9f14ec274ff..c47fd953c82 100644
--- a/packages/typescript-estree/src/create-program/createSourceFile.ts
+++ b/packages/typescript-estree/src/create-program/createSourceFile.ts
@@ -12,6 +12,8 @@ function createSourceFile(code: string, extra: Extra): ts.SourceFile {
     code,
     ts.ScriptTarget.Latest,
     /* setParentNodes */ true,
+    // force typescript to ignore the file extension
+    extra.jsx ? ts.ScriptKind.TSX : ts.ScriptKind.TS,
   );
 }
 
diff --git a/tests/integration/docker-compose.yml b/tests/integration/docker-compose.yml
index 74bfb63dab2..72dd241ccc9 100644
--- a/tests/integration/docker-compose.yml
+++ b/tests/integration/docker-compose.yml
@@ -3,7 +3,7 @@ version: '3'
 services:
   typescript-and-tslint-plugins-together:
     build: ./fixtures/typescript-and-tslint-plugins-together
-    container_name: "typescript-and-tslint-plugins-together"
+    container_name: 'typescript-and-tslint-plugins-together'
     volumes:
       # Runtime link to the relevant built @typescript-eslint packages and integration test utils,
       # but apply an empty volume for the package tests, we don't need those.
@@ -22,7 +22,7 @@ services:
 
   vue-sfc:
     build: ./fixtures/vue-sfc
-    container_name: "vue-sfc"
+    container_name: 'vue-sfc'
     volumes:
       # Runtime link to the relevant built @typescript-eslint packages and integration test utils,
       # but apply an empty volume for the package tests, we don't need those.
@@ -39,7 +39,7 @@ services:
 
   recommended-does-not-require-program:
     build: ./fixtures/recommended-does-not-require-program
-    container_name: "recommended-does-not-require-program"
+    container_name: 'recommended-does-not-require-program'
     volumes:
       # Runtime link to the relevant built @typescript-eslint packages and integration test utils,
       # but apply an empty volume for the package tests, we don't need those.
@@ -53,3 +53,20 @@ services:
       - /usr/eslint-plugin/tests
       # Runtime link to all the specific integration test files, so that most updates don't require a rebuild.
       - ./fixtures/recommended-does-not-require-program:/usr/linked
+
+  markdown:
+    build: ./fixtures/markdown
+    container_name: 'markdown'
+    volumes:
+      # Runtime link to the relevant built @typescript-eslint packages and integration test utils,
+      # but apply an empty volume for the package tests, we don't need those.
+      - ../../package.json/:/usr/root-package.json
+      - ./utils/:/usr/utils
+      - ../../packages/parser/:/usr/parser
+      - /usr/parser/tests
+      - ../../packages/typescript-estree/:/usr/typescript-estree
+      - /usr/typescript-estree/tests
+      - ../../packages/eslint-plugin/:/usr/eslint-plugin
+      - /usr/eslint-plugin/tests
+      # Runtime link to all the specific integration test files, so that most updates don't require a rebuild.
+      - ./fixtures/markdown:/usr/linked
diff --git a/tests/integration/fixtures/markdown/.eslintrc.yml b/tests/integration/fixtures/markdown/.eslintrc.yml
new file mode 100644
index 00000000000..88959b00ccf
--- /dev/null
+++ b/tests/integration/fixtures/markdown/.eslintrc.yml
@@ -0,0 +1,22 @@
+root: true
+
+parser: 'vue-eslint-parser'
+
+env:
+  es6: true
+  node: true
+
+parserOptions:
+  # Local version of @typescript-eslint/parser
+  parser: '@typescript-eslint/parser'
+  sourceType: module
+  extraFileExtensions: ['.vue']
+
+plugins:
+- 'markdown'
+# Local version of @typescript-eslint/eslint-plugin
+- '@typescript-eslint'
+
+rules:
+  '@typescript-eslint/no-explicit-any': 'error'
+  'no-console': 'error'
diff --git a/tests/integration/fixtures/markdown/Doc.md b/tests/integration/fixtures/markdown/Doc.md
new file mode 100644
index 00000000000..52684674675
--- /dev/null
+++ b/tests/integration/fixtures/markdown/Doc.md
@@ -0,0 +1,53 @@
+Some extra text to verify that the markdown plugin is ignoring anything that is not a code block.
+
+expected no-console error:
+```jsx
+import { Button } from 'antd';
+
+function MyComp() {
+  console.log('test');
+  return (
+    <div>
+      <Button type="primary">Primary</Button>
+      <Button>Default</Button>
+      <Button type="dashed">Dashed</Button>
+      <Button type="danger">Danger</Button>
+      <Button type="link">Link</Button>
+    </div>
+  );
+}
+```
+
+expected no-explicit-any error:
+expected no-console error:
+```tsx
+import { Button } from 'antd';
+
+function MyComp(): any {
+  console.log('test');
+  return (
+    <div>
+      <Button type="primary">Primary</Button>
+      <Button>Default</Button>
+      <Button type="dashed">Dashed</Button>
+      <Button type="danger">Danger</Button>
+      <Button type="link">Link</Button>
+    </div>
+  );
+}
+```
+
+expected no-console error:
+```js
+function foo() {
+  console.log('test');
+}
+```
+
+expected no-explicit-any error:
+expected no-console error:
+```ts
+function foo(): any {
+  console.log('test');
+}
+```
diff --git a/tests/integration/fixtures/markdown/Dockerfile b/tests/integration/fixtures/markdown/Dockerfile
new file mode 100644
index 00000000000..3b281e624c8
--- /dev/null
+++ b/tests/integration/fixtures/markdown/Dockerfile
@@ -0,0 +1,17 @@
+FROM node:carbon
+
+# Copy the test.sh into the container. Every other file will be linked, rather
+# than copied to allow for changes without rebuilds wherever possible
+WORKDIR /usr
+COPY ./test.sh /usr/
+
+# Create file which will be executed by jest
+# to assert that the lint output is what we expect
+RUN echo "const actualLintOutput = require('./lint-output.json');\n" \
+    "\n" \
+    "test('it should produce the expected lint ouput', () => {\n" \
+    "  expect(actualLintOutput).toMatchSnapshot();\n" \
+    "});\n" > test.js
+
+# Run the integration test
+CMD [ "./test.sh" ]
diff --git a/tests/integration/fixtures/markdown/test.sh b/tests/integration/fixtures/markdown/test.sh
new file mode 100755
index 00000000000..4641a6b33f4
--- /dev/null
+++ b/tests/integration/fixtures/markdown/test.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# Generate the package.json to use
+node /usr/utils/generate-package-json.js
+
+# Install dependencies
+npm install
+
+# Use the local volumes for our own packages
+npm install $(npm pack /usr/typescript-estree | tail -1)
+npm install $(npm pack /usr/parser | tail -1)
+npm install $(npm pack /usr/eslint-plugin | tail -1)
+
+# Install the latest vue-eslint-parser (this may break us occassionally, but it's probably good to get that feedback early)
+npm install eslint-plugin-markdown@latest
+
+# Run the linting
+# (the "|| true" helps make sure that we run our tests on failed linting runs as well)
+npx eslint --format json --output-file /usr/lint-output.json --config /usr/linked/.eslintrc.yml /usr/linked/**/*.md || true
+
+# Run our assertions against the linting output
+npx jest /usr/test.js --snapshotResolver=/usr/utils/jest-snapshot-resolver.js
diff --git a/tests/integration/fixtures/markdown/tsconfig.json b/tests/integration/fixtures/markdown/tsconfig.json
new file mode 100644
index 00000000000..45234bf35aa
--- /dev/null
+++ b/tests/integration/fixtures/markdown/tsconfig.json
@@ -0,0 +1,6 @@
+{
+    "compilerOptions": {
+        "strict": true
+    },
+    "include": []
+}
diff --git a/tests/integration/fixtures/vue-sfc/.eslintrc.yml b/tests/integration/fixtures/vue-sfc/.eslintrc.yml
index 7b9b183b59b..67b69dbb52c 100644
--- a/tests/integration/fixtures/vue-sfc/.eslintrc.yml
+++ b/tests/integration/fixtures/vue-sfc/.eslintrc.yml
@@ -15,6 +15,8 @@ parserOptions:
   project: /usr/linked/tsconfig.json
   sourceType: module
   extraFileExtensions: ['.vue']
+  ecmaFeatures:
+    jsx: true
 
 plugins:
 # Local version of @typescript-eslint/eslint-plugin
diff --git a/tests/integration/fixtures/vue-sfc/Jsx.vue b/tests/integration/fixtures/vue-sfc/Jsx.vue
new file mode 100644
index 00000000000..05786b8bc32
--- /dev/null
+++ b/tests/integration/fixtures/vue-sfc/Jsx.vue
@@ -0,0 +1,34 @@
+<script lang="tsx">
+import Vue from 'vue'
+import { mapMutations } from 'vuex'
+import { Component } from 'vue-property-decorator'
+
+@Component({
+  created () {
+    this.toggleHeader(false)
+  },
+  methods: {
+    ...mapMutations('APP_SCOPE_NAME', ['toggleHeader'])
+  }
+})
+export default class Jsx extends Vue {
+  render (): JSX.Element {
+    return (
+      // An error occurred in the next line: "Parsing error: '>' expected.eslint"
+      <div class="mg-notFound">
+        <div class="fixed-center text-center">
+          <p>
+            img goes here
+          </p>
+          <p class="text-faded">Sorry, nothing here...<strong>(404)</strong></p>
+          <q-btn
+            color="secondary"
+            style="width:200px;"
+            onClick={() => this.$router.replace('/')}
+          >Go back</q-btn>
+        </div>
+      </div>
+    )
+  }
+}
+</script>
diff --git a/tests/integration/fixtures/vue-sfc/test.sh b/tests/integration/fixtures/vue-sfc/test.sh
index b61a140ff5b..f59b6348fd6 100755
--- a/tests/integration/fixtures/vue-sfc/test.sh
+++ b/tests/integration/fixtures/vue-sfc/test.sh
@@ -17,6 +17,10 @@ npm install vue-eslint-parser@latest
 # Install the latest eslint-plugin-vue (this may break us occassionally, but it's probably good to get that feedback early)
 npm install eslint-plugin-vue@latest
 
+# Install the latest some other vue utilities
+npm install vuex@latest
+npm install vue-property-decorator@latest
+
 # Run the linting
 # (the "|| true" helps make sure that we run our tests on failed linting runs as well)
 npx eslint --format json --output-file /usr/lint-output.json --config /usr/linked/.eslintrc.yml /usr/linked/**/*.vue || true
diff --git a/tests/integration/run-all-tests.sh b/tests/integration/run-all-tests.sh
index 4506da77349..367cc53cf1a 100755
--- a/tests/integration/run-all-tests.sh
+++ b/tests/integration/run-all-tests.sh
@@ -12,3 +12,6 @@ docker-compose -f tests/integration/docker-compose.yml up --build --abort-on-con
 
 # recommended-does-not-require-program
 docker-compose -f tests/integration/docker-compose.yml up --build --abort-on-container-exit recommended-does-not-require-program
+
+# markdown
+docker-compose -f tests/integration/docker-compose.yml up --build --abort-on-container-exit markdown

From e2a04193afabe25c5c8c057e90ee2e4288e1e14e Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Tue, 22 Oct 2019 18:52:40 -0700
Subject: [PATCH 02/10] fix: correct integration tests

---
 .../create-program/createIsolatedProgram.ts   |  15 +-
 .../src/create-program/createSourceFile.ts    |   8 +-
 tests/integration/docker-compose.yml          |  17 ++
 .../fixtures/markdown/.eslintrc.yml           |   7 +-
 tests/integration/fixtures/markdown/Doc.md    |  22 +-
 .../fixtures/markdown/test.js.snap            | 197 ++++++++++++++++++
 .../fixtures/vue-jsx/.eslintrc.yml            |  25 +++
 tests/integration/fixtures/vue-jsx/Dockerfile |  17 ++
 tests/integration/fixtures/vue-jsx/Jsx.vue    |  36 ++++
 .../integration/fixtures/vue-jsx/test.js.snap |  63 ++++++
 tests/integration/fixtures/vue-jsx/test.sh    |  29 +++
 .../fixtures/vue-jsx/tsconfig.json            |   8 +
 tests/integration/run-all-tests.sh            |   3 +
 13 files changed, 438 insertions(+), 9 deletions(-)
 create mode 100644 tests/integration/fixtures/markdown/test.js.snap
 create mode 100644 tests/integration/fixtures/vue-jsx/.eslintrc.yml
 create mode 100644 tests/integration/fixtures/vue-jsx/Dockerfile
 create mode 100644 tests/integration/fixtures/vue-jsx/Jsx.vue
 create mode 100644 tests/integration/fixtures/vue-jsx/test.js.snap
 create mode 100755 tests/integration/fixtures/vue-jsx/test.sh
 create mode 100644 tests/integration/fixtures/vue-jsx/tsconfig.json

diff --git a/packages/typescript-estree/src/create-program/createIsolatedProgram.ts b/packages/typescript-estree/src/create-program/createIsolatedProgram.ts
index 8588b3c1bc4..c35a346a7fe 100644
--- a/packages/typescript-estree/src/create-program/createIsolatedProgram.ts
+++ b/packages/typescript-estree/src/create-program/createIsolatedProgram.ts
@@ -10,7 +10,11 @@ const log = debug('typescript-eslint:typescript-estree:createIsolatedProgram');
  * @returns Returns a new source file and program corresponding to the linted code
  */
 function createIsolatedProgram(code: string, extra: Extra): ASTAndProgram {
-  log('Getting isolated program for: %s', extra.filePath);
+  log(
+    'Getting isolated program in %s mode for: %s',
+    extra.jsx ? 'TSX' : 'TS',
+    extra.filePath,
+  );
 
   const compilerHost: ts.CompilerHost = {
     fileExists() {
@@ -34,7 +38,14 @@ function createIsolatedProgram(code: string, extra: Extra): ASTAndProgram {
       return '\n';
     },
     getSourceFile(filename: string) {
-      return ts.createSourceFile(filename, code, ts.ScriptTarget.Latest, true);
+      return ts.createSourceFile(
+        filename,
+        code,
+        ts.ScriptTarget.Latest,
+        true,
+        // force typescript to ignore the file extension
+        extra.jsx ? ts.ScriptKind.TSX : ts.ScriptKind.TS,
+      );
     },
     readFile() {
       return undefined;
diff --git a/packages/typescript-estree/src/create-program/createSourceFile.ts b/packages/typescript-estree/src/create-program/createSourceFile.ts
index c47fd953c82..64098890ac9 100644
--- a/packages/typescript-estree/src/create-program/createSourceFile.ts
+++ b/packages/typescript-estree/src/create-program/createSourceFile.ts
@@ -2,10 +2,14 @@ import debug from 'debug';
 import ts from 'typescript';
 import { Extra } from '../parser-options';
 
-const log = debug('typescript-eslint:typescript-estree:createIsolatedProgram');
+const log = debug('typescript-eslint:typescript-estree:createSourceFile');
 
 function createSourceFile(code: string, extra: Extra): ts.SourceFile {
-  log('Getting AST without type information for: %s', extra.filePath);
+  log(
+    'Getting AST without type information in %s mode for: %s',
+    extra.jsx ? 'TSX' : 'TS',
+    extra.filePath,
+  );
 
   return ts.createSourceFile(
     extra.filePath,
diff --git a/tests/integration/docker-compose.yml b/tests/integration/docker-compose.yml
index 72dd241ccc9..c3a0b450d65 100644
--- a/tests/integration/docker-compose.yml
+++ b/tests/integration/docker-compose.yml
@@ -37,6 +37,23 @@ services:
       # Runtime link to all the specific integration test files, so that most updates don't require a rebuild.
       - ./fixtures/vue-sfc:/usr/linked
 
+  vue-jsx:
+    build: ./fixtures/vue-jsx
+    container_name: 'vue-jsx'
+    volumes:
+      # Runtime link to the relevant built @typescript-eslint packages and integration test utils,
+      # but apply an empty volume for the package tests, we don't need those.
+      - ../../package.json/:/usr/root-package.json
+      - ./utils/:/usr/utils
+      - ../../packages/parser/:/usr/parser
+      - /usr/parser/tests
+      - ../../packages/typescript-estree/:/usr/typescript-estree
+      - /usr/typescript-estree/tests
+      - ../../packages/eslint-plugin/:/usr/eslint-plugin
+      - /usr/eslint-plugin/tests
+      # Runtime link to all the specific integration test files, so that most updates don't require a rebuild.
+      - ./fixtures/vue-jsx:/usr/linked
+
   recommended-does-not-require-program:
     build: ./fixtures/recommended-does-not-require-program
     container_name: 'recommended-does-not-require-program'
diff --git a/tests/integration/fixtures/markdown/.eslintrc.yml b/tests/integration/fixtures/markdown/.eslintrc.yml
index 88959b00ccf..92575183cd9 100644
--- a/tests/integration/fixtures/markdown/.eslintrc.yml
+++ b/tests/integration/fixtures/markdown/.eslintrc.yml
@@ -1,16 +1,17 @@
 root: true
 
-parser: 'vue-eslint-parser'
+# Local version of @typescript-eslint/parser
+parser: '@typescript-eslint/parser'
 
 env:
   es6: true
   node: true
 
 parserOptions:
-  # Local version of @typescript-eslint/parser
-  parser: '@typescript-eslint/parser'
   sourceType: module
   extraFileExtensions: ['.vue']
+  ecmaFeatures:
+    jsx: true
 
 plugins:
 - 'markdown'
diff --git a/tests/integration/fixtures/markdown/Doc.md b/tests/integration/fixtures/markdown/Doc.md
index 52684674675..0d6eabe455e 100644
--- a/tests/integration/fixtures/markdown/Doc.md
+++ b/tests/integration/fixtures/markdown/Doc.md
@@ -20,7 +20,7 @@ function MyComp() {
 
 expected no-explicit-any error:
 expected no-console error:
-```tsx
+```jsx
 import { Button } from 'antd';
 
 function MyComp(): any {
@@ -46,7 +46,25 @@ function foo() {
 
 expected no-explicit-any error:
 expected no-console error:
-```ts
+```js
+function foo(): any {
+  console.log('test');
+}
+```
+
+
+expected no-explicit-any error:
+expected no-console error:
+```javascript
+function foo(): any {
+  console.log('test');
+}
+```
+
+
+expected no-explicit-any error:
+expected no-console error:
+```node
 function foo(): any {
   console.log('test');
 }
diff --git a/tests/integration/fixtures/markdown/test.js.snap b/tests/integration/fixtures/markdown/test.js.snap
new file mode 100644
index 00000000000..4fc96f79abc
--- /dev/null
+++ b/tests/integration/fixtures/markdown/test.js.snap
@@ -0,0 +1,197 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`it should produce the expected lint ouput 1`] = `
+Array [
+  Object {
+    "errorCount": 10,
+    "filePath": "/usr/linked/Doc.md",
+    "fixableErrorCount": 0,
+    "fixableWarningCount": 0,
+    "messages": Array [
+      Object {
+        "column": 3,
+        "endColumn": 14,
+        "endLine": 8,
+        "line": 8,
+        "message": "Unexpected console statement.",
+        "messageId": "unexpected",
+        "nodeType": "MemberExpression",
+        "ruleId": "no-console",
+        "severity": 2,
+      },
+      Object {
+        "column": 20,
+        "endColumn": 23,
+        "endLine": 26,
+        "line": 26,
+        "message": "Unexpected any. Specify a different type.",
+        "messageId": "unexpectedAny",
+        "nodeType": "TSAnyKeyword",
+        "ruleId": "@typescript-eslint/no-explicit-any",
+        "severity": 2,
+      },
+      Object {
+        "column": 3,
+        "endColumn": 14,
+        "endLine": 27,
+        "line": 27,
+        "message": "Unexpected console statement.",
+        "messageId": "unexpected",
+        "nodeType": "MemberExpression",
+        "ruleId": "no-console",
+        "severity": 2,
+      },
+      Object {
+        "column": 3,
+        "endColumn": 14,
+        "endLine": 43,
+        "line": 43,
+        "message": "Unexpected console statement.",
+        "messageId": "unexpected",
+        "nodeType": "MemberExpression",
+        "ruleId": "no-console",
+        "severity": 2,
+      },
+      Object {
+        "column": 17,
+        "endColumn": 20,
+        "endLine": 50,
+        "line": 50,
+        "message": "Unexpected any. Specify a different type.",
+        "messageId": "unexpectedAny",
+        "nodeType": "TSAnyKeyword",
+        "ruleId": "@typescript-eslint/no-explicit-any",
+        "severity": 2,
+      },
+      Object {
+        "column": 3,
+        "endColumn": 14,
+        "endLine": 51,
+        "line": 51,
+        "message": "Unexpected console statement.",
+        "messageId": "unexpected",
+        "nodeType": "MemberExpression",
+        "ruleId": "no-console",
+        "severity": 2,
+      },
+      Object {
+        "column": 17,
+        "endColumn": 20,
+        "endLine": 59,
+        "line": 59,
+        "message": "Unexpected any. Specify a different type.",
+        "messageId": "unexpectedAny",
+        "nodeType": "TSAnyKeyword",
+        "ruleId": "@typescript-eslint/no-explicit-any",
+        "severity": 2,
+      },
+      Object {
+        "column": 3,
+        "endColumn": 14,
+        "endLine": 60,
+        "line": 60,
+        "message": "Unexpected console statement.",
+        "messageId": "unexpected",
+        "nodeType": "MemberExpression",
+        "ruleId": "no-console",
+        "severity": 2,
+      },
+      Object {
+        "column": 17,
+        "endColumn": 20,
+        "endLine": 68,
+        "line": 68,
+        "message": "Unexpected any. Specify a different type.",
+        "messageId": "unexpectedAny",
+        "nodeType": "TSAnyKeyword",
+        "ruleId": "@typescript-eslint/no-explicit-any",
+        "severity": 2,
+      },
+      Object {
+        "column": 3,
+        "endColumn": 14,
+        "endLine": 69,
+        "line": 69,
+        "message": "Unexpected console statement.",
+        "messageId": "unexpected",
+        "nodeType": "MemberExpression",
+        "ruleId": "no-console",
+        "severity": 2,
+      },
+    ],
+    "source": "Some extra text to verify that the markdown plugin is ignoring anything that is not a code block.
+
+expected no-console error:
+\`\`\`jsx
+import { Button } from 'antd';
+
+function MyComp() {
+  console.log('test');
+  return (
+    <div>
+      <Button type=\\"primary\\">Primary</Button>
+      <Button>Default</Button>
+      <Button type=\\"dashed\\">Dashed</Button>
+      <Button type=\\"danger\\">Danger</Button>
+      <Button type=\\"link\\">Link</Button>
+    </div>
+  );
+}
+\`\`\`
+
+expected no-explicit-any error:
+expected no-console error:
+\`\`\`jsx
+import { Button } from 'antd';
+
+function MyComp(): any {
+  console.log('test');
+  return (
+    <div>
+      <Button type=\\"primary\\">Primary</Button>
+      <Button>Default</Button>
+      <Button type=\\"dashed\\">Dashed</Button>
+      <Button type=\\"danger\\">Danger</Button>
+      <Button type=\\"link\\">Link</Button>
+    </div>
+  );
+}
+\`\`\`
+
+expected no-console error:
+\`\`\`js
+function foo() {
+  console.log('test');
+}
+\`\`\`
+
+expected no-explicit-any error:
+expected no-console error:
+\`\`\`js
+function foo(): any {
+  console.log('test');
+}
+\`\`\`
+
+
+expected no-explicit-any error:
+expected no-console error:
+\`\`\`javascript
+function foo(): any {
+  console.log('test');
+}
+\`\`\`
+
+
+expected no-explicit-any error:
+expected no-console error:
+\`\`\`node
+function foo(): any {
+  console.log('test');
+}
+\`\`\`
+",
+    "warningCount": 0,
+  },
+]
+`;
diff --git a/tests/integration/fixtures/vue-jsx/.eslintrc.yml b/tests/integration/fixtures/vue-jsx/.eslintrc.yml
new file mode 100644
index 00000000000..ea4319ac718
--- /dev/null
+++ b/tests/integration/fixtures/vue-jsx/.eslintrc.yml
@@ -0,0 +1,25 @@
+root: true
+
+parser: 'vue-eslint-parser'
+
+env:
+  es6: true
+  node: true
+
+extends:
+  plugin:vue/essential
+
+parserOptions:
+  # Local version of @typescript-eslint/parser
+  parser: '@typescript-eslint/parser'
+  sourceType: module
+  extraFileExtensions: ['.vue']
+  ecmaFeatures:
+    jsx: true
+
+plugins:
+# Local version of @typescript-eslint/eslint-plugin
+- '@typescript-eslint'
+
+rules:
+  '@typescript-eslint/no-explicit-any': 'error'
diff --git a/tests/integration/fixtures/vue-jsx/Dockerfile b/tests/integration/fixtures/vue-jsx/Dockerfile
new file mode 100644
index 00000000000..3b281e624c8
--- /dev/null
+++ b/tests/integration/fixtures/vue-jsx/Dockerfile
@@ -0,0 +1,17 @@
+FROM node:carbon
+
+# Copy the test.sh into the container. Every other file will be linked, rather
+# than copied to allow for changes without rebuilds wherever possible
+WORKDIR /usr
+COPY ./test.sh /usr/
+
+# Create file which will be executed by jest
+# to assert that the lint output is what we expect
+RUN echo "const actualLintOutput = require('./lint-output.json');\n" \
+    "\n" \
+    "test('it should produce the expected lint ouput', () => {\n" \
+    "  expect(actualLintOutput).toMatchSnapshot();\n" \
+    "});\n" > test.js
+
+# Run the integration test
+CMD [ "./test.sh" ]
diff --git a/tests/integration/fixtures/vue-jsx/Jsx.vue b/tests/integration/fixtures/vue-jsx/Jsx.vue
new file mode 100644
index 00000000000..c08599249c3
--- /dev/null
+++ b/tests/integration/fixtures/vue-jsx/Jsx.vue
@@ -0,0 +1,36 @@
+<script lang="tsx">
+import Vue from 'vue'
+import { mapMutations } from 'vuex'
+import { Component } from 'vue-property-decorator'
+
+@Component({
+  created () {
+    this.toggleHeader(false)
+  },
+  methods: {
+    ...mapMutations('APP_SCOPE_NAME', ['toggleHeader'])
+  }
+})
+export default class Jsx extends Vue {
+  render (): JSX.Element {
+    // expected error - no-explicit-any
+    const path: any = '/';
+    return (
+      // An error occurred in the next line: "Parsing error: '>' expected.eslint"
+      <div class="mg-notFound">
+        <div class="fixed-center text-center">
+          <p>
+            img goes here
+          </p>
+          <p class="text-faded">Sorry, nothing here...<strong>(404)</strong></p>
+          <q-btn
+            color="secondary"
+            style="width:200px;"
+            onClick={() => console.log(path)}
+          >Go back</q-btn>
+        </div>
+      </div>
+    )
+  }
+}
+</script>
diff --git a/tests/integration/fixtures/vue-jsx/test.js.snap b/tests/integration/fixtures/vue-jsx/test.js.snap
new file mode 100644
index 00000000000..d4432e47428
--- /dev/null
+++ b/tests/integration/fixtures/vue-jsx/test.js.snap
@@ -0,0 +1,63 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`it should produce the expected lint ouput 1`] = `
+Array [
+  Object {
+    "errorCount": 1,
+    "filePath": "/usr/linked/Jsx.vue",
+    "fixableErrorCount": 0,
+    "fixableWarningCount": 0,
+    "messages": Array [
+      Object {
+        "column": 17,
+        "endColumn": 20,
+        "endLine": 17,
+        "line": 17,
+        "message": "Unexpected any. Specify a different type.",
+        "messageId": "unexpectedAny",
+        "nodeType": "TSAnyKeyword",
+        "ruleId": "@typescript-eslint/no-explicit-any",
+        "severity": 2,
+      },
+    ],
+    "source": "<script lang=\\"tsx\\">
+import Vue from 'vue'
+import { mapMutations } from 'vuex'
+import { Component } from 'vue-property-decorator'
+
+@Component({
+  created () {
+    this.toggleHeader(false)
+  },
+  methods: {
+    ...mapMutations('APP_SCOPE_NAME', ['toggleHeader'])
+  }
+})
+export default class Jsx extends Vue {
+  render (): JSX.Element {
+    // expected error - no-explicit-any
+    const path: any = '/';
+    return (
+      // An error occurred in the next line: \\"Parsing error: '>' expected.eslint\\"
+      <div class=\\"mg-notFound\\">
+        <div class=\\"fixed-center text-center\\">
+          <p>
+            img goes here
+          </p>
+          <p class=\\"text-faded\\">Sorry, nothing here...<strong>(404)</strong></p>
+          <q-btn
+            color=\\"secondary\\"
+            style=\\"width:200px;\\"
+            onClick={() => console.log(path)}
+          >Go back</q-btn>
+        </div>
+      </div>
+    )
+  }
+}
+</script>
+",
+    "warningCount": 0,
+  },
+]
+`;
diff --git a/tests/integration/fixtures/vue-jsx/test.sh b/tests/integration/fixtures/vue-jsx/test.sh
new file mode 100755
index 00000000000..f59b6348fd6
--- /dev/null
+++ b/tests/integration/fixtures/vue-jsx/test.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+
+# Generate the package.json to use
+node /usr/utils/generate-package-json.js
+
+# Install dependencies
+npm install
+
+# Use the local volumes for our own packages
+npm install $(npm pack /usr/typescript-estree | tail -1)
+npm install $(npm pack /usr/parser | tail -1)
+npm install $(npm pack /usr/eslint-plugin | tail -1)
+
+# Install the latest vue-eslint-parser (this may break us occassionally, but it's probably good to get that feedback early)
+npm install vue-eslint-parser@latest
+
+# Install the latest eslint-plugin-vue (this may break us occassionally, but it's probably good to get that feedback early)
+npm install eslint-plugin-vue@latest
+
+# Install the latest some other vue utilities
+npm install vuex@latest
+npm install vue-property-decorator@latest
+
+# Run the linting
+# (the "|| true" helps make sure that we run our tests on failed linting runs as well)
+npx eslint --format json --output-file /usr/lint-output.json --config /usr/linked/.eslintrc.yml /usr/linked/**/*.vue || true
+
+# Run our assertions against the linting output
+npx jest /usr/test.js --snapshotResolver=/usr/utils/jest-snapshot-resolver.js
diff --git a/tests/integration/fixtures/vue-jsx/tsconfig.json b/tests/integration/fixtures/vue-jsx/tsconfig.json
new file mode 100644
index 00000000000..861b7d99bed
--- /dev/null
+++ b/tests/integration/fixtures/vue-jsx/tsconfig.json
@@ -0,0 +1,8 @@
+{
+    "compilerOptions": {
+        "strict": true
+    },
+    "include": [
+      "*.vue"
+    ]
+}
diff --git a/tests/integration/run-all-tests.sh b/tests/integration/run-all-tests.sh
index 367cc53cf1a..8964e319869 100755
--- a/tests/integration/run-all-tests.sh
+++ b/tests/integration/run-all-tests.sh
@@ -10,6 +10,9 @@ docker-compose -f tests/integration/docker-compose.yml up --build --abort-on-con
 # vue-sfc
 docker-compose -f tests/integration/docker-compose.yml up --build --abort-on-container-exit vue-sfc
 
+# vue-jsx
+docker-compose -f tests/integration/docker-compose.yml up --build --abort-on-container-exit vue-jsx
+
 # recommended-does-not-require-program
 docker-compose -f tests/integration/docker-compose.yml up --build --abort-on-container-exit recommended-does-not-require-program
 

From 4d488fe1523406bc6f4ecd9e67be26d2d1eb2201 Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Tue, 22 Oct 2019 21:21:35 -0700
Subject: [PATCH 03/10] fix: remove erroneous vue file

---
 .../fixtures/vue-sfc/.eslintrc.yml            |  2 --
 tests/integration/fixtures/vue-sfc/Jsx.vue    | 34 -------------------
 2 files changed, 36 deletions(-)
 delete mode 100644 tests/integration/fixtures/vue-sfc/Jsx.vue

diff --git a/tests/integration/fixtures/vue-sfc/.eslintrc.yml b/tests/integration/fixtures/vue-sfc/.eslintrc.yml
index 67b69dbb52c..7b9b183b59b 100644
--- a/tests/integration/fixtures/vue-sfc/.eslintrc.yml
+++ b/tests/integration/fixtures/vue-sfc/.eslintrc.yml
@@ -15,8 +15,6 @@ parserOptions:
   project: /usr/linked/tsconfig.json
   sourceType: module
   extraFileExtensions: ['.vue']
-  ecmaFeatures:
-    jsx: true
 
 plugins:
 # Local version of @typescript-eslint/eslint-plugin
diff --git a/tests/integration/fixtures/vue-sfc/Jsx.vue b/tests/integration/fixtures/vue-sfc/Jsx.vue
deleted file mode 100644
index 05786b8bc32..00000000000
--- a/tests/integration/fixtures/vue-sfc/Jsx.vue
+++ /dev/null
@@ -1,34 +0,0 @@
-<script lang="tsx">
-import Vue from 'vue'
-import { mapMutations } from 'vuex'
-import { Component } from 'vue-property-decorator'
-
-@Component({
-  created () {
-    this.toggleHeader(false)
-  },
-  methods: {
-    ...mapMutations('APP_SCOPE_NAME', ['toggleHeader'])
-  }
-})
-export default class Jsx extends Vue {
-  render (): JSX.Element {
-    return (
-      // An error occurred in the next line: "Parsing error: '>' expected.eslint"
-      <div class="mg-notFound">
-        <div class="fixed-center text-center">
-          <p>
-            img goes here
-          </p>
-          <p class="text-faded">Sorry, nothing here...<strong>(404)</strong></p>
-          <q-btn
-            color="secondary"
-            style="width:200px;"
-            onClick={() => this.$router.replace('/')}
-          >Go back</q-btn>
-        </div>
-      </div>
-    )
-  }
-}
-</script>

From 57440d98189895711e62faac8f0e6de973c84d6b Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Tue, 22 Oct 2019 21:21:48 -0700
Subject: [PATCH 04/10] docs: add a readme for the integration tests

---
 tests/integration/README.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 tests/integration/README.md

diff --git a/tests/integration/README.md b/tests/integration/README.md
new file mode 100644
index 00000000000..eb33e8bd62d
--- /dev/null
+++ b/tests/integration/README.md
@@ -0,0 +1,18 @@
+# Integration Tests
+
+We have a set of integration tests defined in this project to help ensure we don't inadvertently break downstream packages that depend on us.
+
+These tests are setup to run within docker containers to ensure that each test is completely isolated; we don't want them to affect our local environment, and similarly we don't want them to be effected by our local environment.
+
+## Adding a new integration test
+
+1. [Install docker for your platform](https://docs.docker.com/v17.09/engine/installation/#supported-platforms).
+1. Add a new folder in `/tests/integration/fixtures`
+1. Add a `.eslintrc.yml`, and a `tsconfig.json` to your folder, with the config required.
+1. Create the necessary files to test the integration.
+1. Copy+paste the `Dockerfile` from an existing fixture (they are all the same).
+1. Copy+paste the `test.sh` from an existing fixture, and adjust the `eslint` command as required.
+1. Add a new entry to `docker-compose.yml` by copy+pasting an existing section, and changing the name to match your new folder.
+1. Add a new entry to `run-all-tests.sh` by copy+pasting an existing command, and changing the name to match your new folder.
+1. Run your integration test by running the single command you copied in .
+   - If your test finishes successfully, a `test.js.snap` will be created.

From 743732f127a63c06c8a21bf8f6232d28eeda2124 Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Tue, 22 Oct 2019 22:08:53 -0700
Subject: [PATCH 05/10] chore: respect known filenames, ignore unknown ones

---
 .../create-program/createIsolatedProgram.ts   |  9 ++++--
 .../src/create-program/createSourceFile.ts    |  4 +--
 .../src/create-program/shared.ts              | 30 +++++++++++++++++++
 3 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/packages/typescript-estree/src/create-program/createIsolatedProgram.ts b/packages/typescript-estree/src/create-program/createIsolatedProgram.ts
index c35a346a7fe..fbde7f76cd7 100644
--- a/packages/typescript-estree/src/create-program/createIsolatedProgram.ts
+++ b/packages/typescript-estree/src/create-program/createIsolatedProgram.ts
@@ -1,7 +1,11 @@
 import debug from 'debug';
 import ts from 'typescript';
 import { Extra } from '../parser-options';
-import { ASTAndProgram, DEFAULT_COMPILER_OPTIONS } from './shared';
+import {
+  ASTAndProgram,
+  DEFAULT_COMPILER_OPTIONS,
+  getScriptKind,
+} from './shared';
 
 const log = debug('typescript-eslint:typescript-estree:createIsolatedProgram');
 
@@ -43,8 +47,7 @@ function createIsolatedProgram(code: string, extra: Extra): ASTAndProgram {
         code,
         ts.ScriptTarget.Latest,
         true,
-        // force typescript to ignore the file extension
-        extra.jsx ? ts.ScriptKind.TSX : ts.ScriptKind.TS,
+        getScriptKind(extra, filename),
       );
     },
     readFile() {
diff --git a/packages/typescript-estree/src/create-program/createSourceFile.ts b/packages/typescript-estree/src/create-program/createSourceFile.ts
index 64098890ac9..daec7a6f833 100644
--- a/packages/typescript-estree/src/create-program/createSourceFile.ts
+++ b/packages/typescript-estree/src/create-program/createSourceFile.ts
@@ -1,6 +1,7 @@
 import debug from 'debug';
 import ts from 'typescript';
 import { Extra } from '../parser-options';
+import { getScriptKind } from './shared';
 
 const log = debug('typescript-eslint:typescript-estree:createSourceFile');
 
@@ -16,8 +17,7 @@ function createSourceFile(code: string, extra: Extra): ts.SourceFile {
     code,
     ts.ScriptTarget.Latest,
     /* setParentNodes */ true,
-    // force typescript to ignore the file extension
-    extra.jsx ? ts.ScriptKind.TSX : ts.ScriptKind.TS,
+    getScriptKind(extra),
   );
 }
 
diff --git a/packages/typescript-estree/src/create-program/shared.ts b/packages/typescript-estree/src/create-program/shared.ts
index ac2dc3d5e62..ce7e0efdb4b 100644
--- a/packages/typescript-estree/src/create-program/shared.ts
+++ b/packages/typescript-estree/src/create-program/shared.ts
@@ -38,11 +38,41 @@ function canonicalDirname(p: CanonicalPath): CanonicalPath {
   return path.dirname(p) as CanonicalPath;
 }
 
+function getScriptKind(
+  extra: Extra,
+  filePath: string = extra.filePath,
+): ts.ScriptKind {
+  const extension = path.extname(filePath);
+  // note - we respect the user's extension when it is known  we could override it and force it to match their
+  // jsx setting, but that could create weird situations where we throw parse errors when TSC doesn't
+  switch (extension.toLowerCase()) {
+    case 'ts':
+      return ts.ScriptKind.TS;
+
+    case 'tsx':
+      return ts.ScriptKind.TSX;
+
+    case 'js':
+      return ts.ScriptKind.JS;
+
+    case 'jsx':
+      return ts.ScriptKind.JSX;
+
+    case 'json':
+      return ts.ScriptKind.JSON;
+
+    default:
+      // unknown extension, force typescript to ignore the file extension, and respect the user's setting
+      return extra.jsx ? ts.ScriptKind.TSX : ts.ScriptKind.TS;
+  }
+}
+
 export {
   ASTAndProgram,
   canonicalDirname,
   CanonicalPath,
   DEFAULT_COMPILER_OPTIONS,
   getCanonicalFileName,
+  getScriptKind,
   getTsconfigPath,
 };

From a6ebe714e338dd2c6109112e31e5492a2b402ec4 Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Wed, 23 Oct 2019 10:22:40 -0700
Subject: [PATCH 06/10] fix: add explicit tests for filename/jsx handling

---
 .../src/create-program/shared.ts              |   14 +-
 .../tests/lib/__snapshots__/parse.ts.snap     | 3813 +++++++++++++++++
 packages/typescript-estree/tests/lib/parse.ts |  150 +
 3 files changed, 3970 insertions(+), 7 deletions(-)

diff --git a/packages/typescript-estree/src/create-program/shared.ts b/packages/typescript-estree/src/create-program/shared.ts
index ce7e0efdb4b..7cfdb4e3d50 100644
--- a/packages/typescript-estree/src/create-program/shared.ts
+++ b/packages/typescript-estree/src/create-program/shared.ts
@@ -42,23 +42,23 @@ function getScriptKind(
   extra: Extra,
   filePath: string = extra.filePath,
 ): ts.ScriptKind {
-  const extension = path.extname(filePath);
+  const extension = path.extname(filePath).toLowerCase();
   // note - we respect the user's extension when it is known  we could override it and force it to match their
   // jsx setting, but that could create weird situations where we throw parse errors when TSC doesn't
-  switch (extension.toLowerCase()) {
-    case 'ts':
+  switch (extension) {
+    case '.ts':
       return ts.ScriptKind.TS;
 
-    case 'tsx':
+    case '.tsx':
       return ts.ScriptKind.TSX;
 
-    case 'js':
+    case '.js':
       return ts.ScriptKind.JS;
 
-    case 'jsx':
+    case '.jsx':
       return ts.ScriptKind.JSX;
 
-    case 'json':
+    case '.json':
       return ts.ScriptKind.JSON;
 
     default:
diff --git a/packages/typescript-estree/tests/lib/__snapshots__/parse.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/parse.ts.snap
index bca89ec8d8c..e953f852a8e 100644
--- a/packages/typescript-estree/tests/lib/__snapshots__/parse.ts.snap
+++ b/packages/typescript-estree/tests/lib/__snapshots__/parse.ts.snap
@@ -225,6 +225,3819 @@ The file does not match your project config: tests/fixtures/invalidFileErrors/js
 The file must be included in at least one of the projects provided."
 `;
 
+exports[`parse() isolated parsing should parse .js file - with JSX content - parserOptions.jsx = false 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 7,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 6,
+                  "line": 1,
+                },
+              },
+              "name": "x",
+              "range": Array [
+                6,
+                7,
+              ],
+              "type": "Identifier",
+            },
+            "init": Object {
+              "children": Array [],
+              "closingElement": null,
+              "loc": Object {
+                "end": Object {
+                  "column": 17,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 10,
+                  "line": 1,
+                },
+              },
+              "openingElement": Object {
+                "attributes": Array [],
+                "loc": Object {
+                  "end": Object {
+                    "column": 17,
+                    "line": 1,
+                  },
+                  "start": Object {
+                    "column": 10,
+                    "line": 1,
+                  },
+                },
+                "name": Object {
+                  "loc": Object {
+                    "end": Object {
+                      "column": 14,
+                      "line": 1,
+                    },
+                    "start": Object {
+                      "column": 11,
+                      "line": 1,
+                    },
+                  },
+                  "name": "div",
+                  "range": Array [
+                    11,
+                    14,
+                  ],
+                  "type": "JSXIdentifier",
+                },
+                "range": Array [
+                  10,
+                  17,
+                ],
+                "selfClosing": true,
+                "type": "JSXOpeningElement",
+                "typeParameters": undefined,
+              },
+              "range": Array [
+                10,
+                17,
+              ],
+              "type": "JSXElement",
+            },
+            "loc": Object {
+              "end": Object {
+                "column": 17,
+                "line": 1,
+              },
+              "start": Object {
+                "column": 6,
+                "line": 1,
+              },
+            },
+            "range": Array [
+              6,
+              17,
+            ],
+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": Object {
+          "end": Object {
+            "column": 18,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          0,
+          18,
+        ],
+        "type": "VariableDeclaration",
+      },
+    ],
+    "comments": Array [],
+    "loc": Object {
+      "end": Object {
+        "column": 18,
+        "line": 1,
+      },
+      "start": Object {
+        "column": 0,
+        "line": 1,
+      },
+    },
+    "range": Array [
+      0,
+      18,
+    ],
+    "sourceType": "script",
+    "tokens": Array [
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 5,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          0,
+          5,
+        ],
+        "type": "Keyword",
+        "value": "const",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 7,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 6,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          6,
+          7,
+        ],
+        "type": "Identifier",
+        "value": "x",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 9,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 8,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          8,
+          9,
+        ],
+        "type": "Punctuator",
+        "value": "=",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 11,
+            "line": 1,
+          },
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+        "range": Array [
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+        ],
+        "type": "Punctuator",
+        "value": "<",
+      },
+      Object {
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+            "line": 1,
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+          "start": Object {
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+            "line": 1,
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+        "type": "JSXIdentifier",
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+            "line": 1,
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+          "start": Object {
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+            "line": 1,
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+        "range": Array [
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+        "type": "Punctuator",
+        "value": "/",
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+      Object {
+        "loc": Object {
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+            "column": 17,
+            "line": 1,
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+          "start": Object {
+            "column": 16,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          16,
+          17,
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+        "type": "Punctuator",
+        "value": ">",
+      },
+      Object {
+        "loc": Object {
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+            "line": 1,
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+          "start": Object {
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+            "line": 1,
+          },
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+    "type": "Program",
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+  "services": Object {
+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .js file - with JSX content - parserOptions.jsx = true 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
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+                  "column": 7,
+                  "line": 1,
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+                  "line": 1,
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+                7,
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+              "loc": Object {
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+                  "line": 1,
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+                  "line": 1,
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+                    "line": 1,
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+                      "line": 1,
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+    "comments": Array [],
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+        "line": 1,
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+            "line": 1,
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+            "line": 1,
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+        "type": "Punctuator",
+        "value": ">",
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+            "line": 1,
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+    "type": "Program",
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+  "services": Object {
+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .js file - without JSX content - parserOptions.jsx = false 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
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+                  "line": 1,
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+                  "line": 1,
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+              "type": "Identifier",
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+            "init": Object {
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+                  "line": 1,
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+                "start": Object {
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+                  "line": 1,
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+                "line": 1,
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+                "line": 1,
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+            "range": Array [
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+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": Object {
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+            "line": 1,
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+          "start": Object {
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+            "line": 1,
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+        "range": Array [
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+        "type": "VariableDeclaration",
+      },
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+    "comments": Array [],
+    "loc": Object {
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+        "line": 1,
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+        "line": 1,
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+    "tokens": Array [
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+          "end": Object {
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+            "line": 1,
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+          "start": Object {
+            "column": 0,
+            "line": 1,
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+        },
+        "range": Array [
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+        "type": "Keyword",
+        "value": "const",
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+      Object {
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+        },
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+      Object {
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+    "type": "Program",
+  },
+  "services": Object {
+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .js file - without JSX content - parserOptions.jsx = true 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 7,
+                  "line": 1,
+                },
+                "start": Object {
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+                  "line": 1,
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+              "name": "x",
+              "range": Array [
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+                7,
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+              "type": "Identifier",
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+                  "line": 1,
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+                  "line": 1,
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+            "loc": Object {
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+                "line": 1,
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+                "line": 1,
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+        "kind": "const",
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+            "line": 1,
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+            "line": 1,
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+        },
+        "range": Array [
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+        "type": "VariableDeclaration",
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+    "comments": Array [],
+    "loc": Object {
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+        "line": 1,
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+        "line": 1,
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+            "line": 1,
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+        },
+        "range": Array [
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+        "type": "Punctuator",
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+      Object {
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+            "line": 1,
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+          "start": Object {
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+            "line": 1,
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+    "type": "Program",
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+  "services": Object {
+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .jsx file - with JSX content - parserOptions.jsx = false 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 7,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 6,
+                  "line": 1,
+                },
+              },
+              "name": "x",
+              "range": Array [
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+                7,
+              ],
+              "type": "Identifier",
+            },
+            "init": Object {
+              "children": Array [],
+              "closingElement": null,
+              "loc": Object {
+                "end": Object {
+                  "column": 17,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 10,
+                  "line": 1,
+                },
+              },
+              "openingElement": Object {
+                "attributes": Array [],
+                "loc": Object {
+                  "end": Object {
+                    "column": 17,
+                    "line": 1,
+                  },
+                  "start": Object {
+                    "column": 10,
+                    "line": 1,
+                  },
+                },
+                "name": Object {
+                  "loc": Object {
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+                      "column": 14,
+                      "line": 1,
+                    },
+                    "start": Object {
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+                      "line": 1,
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+                "line": 1,
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+        ],
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+            "line": 1,
+          },
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+        "range": Array [
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+        "type": "VariableDeclaration",
+      },
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+    "comments": Array [],
+    "loc": Object {
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+        "line": 1,
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+        "value": "x",
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+      Object {
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+            "line": 1,
+          },
+          "start": Object {
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+            "line": 1,
+          },
+        },
+        "range": Array [
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+          9,
+        ],
+        "type": "Punctuator",
+        "value": "=",
+      },
+      Object {
+        "loc": Object {
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+            "line": 1,
+          },
+          "start": Object {
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+            "line": 1,
+          },
+        },
+        "range": Array [
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+          11,
+        ],
+        "type": "Punctuator",
+        "value": "<",
+      },
+      Object {
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+            "line": 1,
+          },
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+            "line": 1,
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+        "type": "JSXIdentifier",
+        "value": "div",
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+            "line": 1,
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+            "line": 1,
+          },
+        },
+        "range": Array [
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+        ],
+        "type": "Punctuator",
+        "value": ">",
+      },
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+            "line": 1,
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+    "type": "Program",
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+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .jsx file - with JSX content - parserOptions.jsx = true 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
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+                  "line": 1,
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+                  "line": 1,
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+              "name": "x",
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+    "body": Array [
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+        "declarations": Array [
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+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
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+}
+`;
+
+exports[`parse() isolated parsing should parse .tsx file - without JSX content - parserOptions.jsx = false 1`] = `
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+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
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+                  "line": 1,
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+            "line": 1,
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+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .tsx file - without JSX content - parserOptions.jsx = true 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
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+              "loc": Object {
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+                  "line": 1,
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+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
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+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
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+            "id": Object {
+              "loc": Object {
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+                    "line": 1,
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+                      "line": 1,
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+        "type": "VariableDeclaration",
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+    "comments": Array [],
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+        },
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+        "type": "Punctuator",
+        "value": "=",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 11,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 10,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          10,
+          11,
+        ],
+        "type": "Punctuator",
+        "value": "<",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 14,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 11,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          11,
+          14,
+        ],
+        "type": "JSXIdentifier",
+        "value": "div",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 16,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 15,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          15,
+          16,
+        ],
+        "type": "Punctuator",
+        "value": "/",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 17,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 16,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          16,
+          17,
+        ],
+        "type": "Punctuator",
+        "value": ">",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 18,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 17,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          17,
+          18,
+        ],
+        "type": "Punctuator",
+        "value": ";",
+      },
+    ],
+    "type": "Program",
+  },
+  "services": Object {
+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .vue file - without JSX content - parserOptions.jsx = false 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 7,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 6,
+                  "line": 1,
+                },
+              },
+              "name": "x",
+              "range": Array [
+                6,
+                7,
+              ],
+              "type": "Identifier",
+            },
+            "init": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 11,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 10,
+                  "line": 1,
+                },
+              },
+              "range": Array [
+                10,
+                11,
+              ],
+              "raw": "1",
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": Object {
+              "end": Object {
+                "column": 11,
+                "line": 1,
+              },
+              "start": Object {
+                "column": 6,
+                "line": 1,
+              },
+            },
+            "range": Array [
+              6,
+              11,
+            ],
+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": Object {
+          "end": Object {
+            "column": 11,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          0,
+          11,
+        ],
+        "type": "VariableDeclaration",
+      },
+    ],
+    "comments": Array [],
+    "loc": Object {
+      "end": Object {
+        "column": 11,
+        "line": 1,
+      },
+      "start": Object {
+        "column": 0,
+        "line": 1,
+      },
+    },
+    "range": Array [
+      0,
+      11,
+    ],
+    "sourceType": "script",
+    "tokens": Array [
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 5,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          0,
+          5,
+        ],
+        "type": "Keyword",
+        "value": "const",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 7,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 6,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          6,
+          7,
+        ],
+        "type": "Identifier",
+        "value": "x",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 9,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 8,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          8,
+          9,
+        ],
+        "type": "Punctuator",
+        "value": "=",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 11,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 10,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          10,
+          11,
+        ],
+        "type": "Numeric",
+        "value": "1",
+      },
+    ],
+    "type": "Program",
+  },
+  "services": Object {
+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
+exports[`parse() isolated parsing should parse .vue file - without JSX content - parserOptions.jsx = true 1`] = `
+Object {
+  "ast": Object {
+    "body": Array [
+      Object {
+        "declarations": Array [
+          Object {
+            "id": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 7,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 6,
+                  "line": 1,
+                },
+              },
+              "name": "x",
+              "range": Array [
+                6,
+                7,
+              ],
+              "type": "Identifier",
+            },
+            "init": Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 11,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 10,
+                  "line": 1,
+                },
+              },
+              "range": Array [
+                10,
+                11,
+              ],
+              "raw": "1",
+              "type": "Literal",
+              "value": 1,
+            },
+            "loc": Object {
+              "end": Object {
+                "column": 11,
+                "line": 1,
+              },
+              "start": Object {
+                "column": 6,
+                "line": 1,
+              },
+            },
+            "range": Array [
+              6,
+              11,
+            ],
+            "type": "VariableDeclarator",
+          },
+        ],
+        "kind": "const",
+        "loc": Object {
+          "end": Object {
+            "column": 11,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          0,
+          11,
+        ],
+        "type": "VariableDeclaration",
+      },
+    ],
+    "comments": Array [],
+    "loc": Object {
+      "end": Object {
+        "column": 11,
+        "line": 1,
+      },
+      "start": Object {
+        "column": 0,
+        "line": 1,
+      },
+    },
+    "range": Array [
+      0,
+      11,
+    ],
+    "sourceType": "script",
+    "tokens": Array [
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 5,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          0,
+          5,
+        ],
+        "type": "Keyword",
+        "value": "const",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 7,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 6,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          6,
+          7,
+        ],
+        "type": "Identifier",
+        "value": "x",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 9,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 8,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          8,
+          9,
+        ],
+        "type": "Punctuator",
+        "value": "=",
+      },
+      Object {
+        "loc": Object {
+          "end": Object {
+            "column": 11,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 10,
+            "line": 1,
+          },
+        },
+        "range": Array [
+          10,
+          11,
+        ],
+        "type": "Numeric",
+        "value": "1",
+      },
+    ],
+    "type": "Program",
+  },
+  "services": Object {
+    "esTreeNodeToTSNodeMap": undefined,
+    "program": undefined,
+    "tsNodeToESTreeNodeMap": undefined,
+  },
+}
+`;
+
 exports[`parse() non string code should correctly convert code to a string for parse() 1`] = `
 Object {
   "body": Array [
diff --git a/packages/typescript-estree/tests/lib/parse.ts b/packages/typescript-estree/tests/lib/parse.ts
index 21664b7bd41..53197b7a73d 100644
--- a/packages/typescript-estree/tests/lib/parse.ts
+++ b/packages/typescript-estree/tests/lib/parse.ts
@@ -229,6 +229,156 @@ describe('parse()', () => {
     });
   });
 
+  describe('isolated parsing', () => {
+    const config: TSESTreeOptions = {
+      comment: true,
+      tokens: true,
+      range: true,
+      loc: true,
+    };
+    const testParse = ({
+      ext,
+      jsxContent,
+      jsxSetting,
+      shouldThrow = false,
+    }: {
+      ext: '.js' | '.jsx' | '.ts' | '.tsx' | '.vue';
+      jsxContent: boolean;
+      jsxSetting: boolean;
+      shouldThrow?: boolean;
+    }): void => {
+      const code = jsxContent ? 'const x = <div />;' : 'const x = 1';
+      it(`should parse ${ext} file - ${
+        jsxContent ? 'with' : 'without'
+      } JSX content - parserOptions.jsx = ${jsxSetting}`, () => {
+        let result;
+        let exp = expect(() => {
+          result = parser.parseAndGenerateServices(code, {
+            ...config,
+            jsx: jsxSetting,
+            filePath: join(FIXTURES_DIR, `file${ext}`),
+          });
+        });
+        if (!shouldThrow) {
+          exp = exp.not;
+        }
+        exp.toThrow();
+
+        if (!shouldThrow) {
+          expect(result).toMatchSnapshot();
+        }
+      });
+    };
+
+    testParse({
+      ext: '.js',
+      jsxContent: false,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.js',
+      jsxContent: false,
+      jsxSetting: true,
+    });
+    testParse({
+      ext: '.js',
+      jsxContent: true,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.js',
+      jsxContent: true,
+      jsxSetting: true,
+    });
+
+    testParse({
+      ext: '.jsx',
+      jsxContent: false,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.jsx',
+      jsxContent: false,
+      jsxSetting: true,
+    });
+    testParse({
+      ext: '.jsx',
+      jsxContent: true,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.jsx',
+      jsxContent: true,
+      jsxSetting: true,
+    });
+
+    testParse({
+      ext: '.ts',
+      jsxContent: false,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.ts',
+      jsxContent: false,
+      jsxSetting: true,
+    });
+    testParse({
+      ext: '.ts',
+      jsxContent: true,
+      jsxSetting: false,
+      shouldThrow: true, // Typescript does not allow JSX in a .ts file
+    });
+    testParse({
+      ext: '.ts',
+      jsxContent: true,
+      jsxSetting: true,
+      shouldThrow: true,
+    });
+
+    testParse({
+      ext: '.tsx',
+      jsxContent: false,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.tsx',
+      jsxContent: false,
+      jsxSetting: true,
+    });
+    testParse({
+      ext: '.tsx',
+      jsxContent: true,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.tsx',
+      jsxContent: true,
+      jsxSetting: true,
+    });
+
+    testParse({
+      ext: '.vue',
+      jsxContent: false,
+      jsxSetting: false,
+    });
+    testParse({
+      ext: '.vue',
+      jsxContent: false,
+      jsxSetting: true,
+    });
+    testParse({
+      ext: '.vue',
+      jsxContent: true,
+      jsxSetting: false,
+      shouldThrow: true, // "Unknown" filetype means we respect the JSX setting
+    });
+    testParse({
+      ext: '.vue',
+      jsxContent: true,
+      jsxSetting: true,
+    });
+  });
+
   describe('invalid file error messages', () => {
     const PROJECT_DIR = resolve(FIXTURES_DIR, '../invalidFileErrors');
     const code = 'var a = true';

From c81107d2788ef4cda27c62d86c49f7db0a8e0cb9 Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Wed, 23 Oct 2019 10:32:38 -0700
Subject: [PATCH 07/10] docs: explicitly state the expected behaviour for JSX

---
 packages/parser/README.md            | 14 +++++++++++---
 packages/typescript-estree/README.md | 12 +++++++++++-
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/packages/parser/README.md b/packages/parser/README.md
index 9fcb9d04363..ba45c558682 100644
--- a/packages/parser/README.md
+++ b/packages/parser/README.md
@@ -42,9 +42,17 @@ The following additional configuration options are available by specifying them
 
 - **`ecmaFeatures.jsx`** - default `false`. Enable parsing JSX when `true`. More details can be found [here](https://www.typescriptlang.org/docs/handbook/jsx.html).
 
-  - It's `false` on `*.ts` files regardless of this option.
-  - It's `true` on `*.tsx` files regardless of this option.
-  - Otherwise, it respects this option.
+  NOTE: this setting does not effect known file types (.js, .jsx, .ts, .tsx, .json) because the
+  typescript compiler has its own internal handling for known file extensions. The exact behaviour is as follows:
+
+  - if `parserOptions.project` is provided:
+    - `.js`, `.jsx`, `.tsx` files are parsed as if this is true.
+    - `.ts` files are parsed as if this is false.
+    - unknown extensions (`.md`, `.vue`) will respect this setting.
+  - if `parserOptions.project` is _not_ provided:
+    - `.js`, `.jsx`, `.tsx` files are parsed as if this is true.
+    - `.ts` files are parsed as if this is false.
+    - "unknown" extensions (`.md`, `.vue`) **are parsed as if this is false**.
 
 - **`useJSXTextNode`** - default `true`. Please set `false` if you use this parser on ESLint v4. If this is `false`, the parser creates the AST of JSX texts as the legacy style.
 
diff --git a/packages/typescript-estree/README.md b/packages/typescript-estree/README.md
index fe1515c869e..aca6f215dcb 100644
--- a/packages/typescript-estree/README.md
+++ b/packages/typescript-estree/README.md
@@ -47,7 +47,17 @@ Parses the given string of code with the options provided and returns an ESTree-
   // create a top-level comments array containing all comments
   comment: false,
 
-  // enable parsing JSX. For more details, see https://www.typescriptlang.org/docs/handbook/jsx.html
+  /*
+   * enable parsing JSX. For more details, see https://www.typescriptlang.org/docs/handbook/jsx.html
+   *
+   * NOTE: this setting does not effect known file types (.js, .jsx, .ts, .tsx, .json) because the
+   * typescript compiler has its own internal handling for known file extensions.
+   *
+   * Exact behaviour:
+   * - .js, .jsx, .tsx files are parsed as if this is true
+   * - .ts files are parsed as if this is false
+   * - unknown extensions (.md, .vue) will respect this setting
+   */
   jsx: false,
 
   /*

From a07279abb481ed6220323f2dff707b6b6b09b42e Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Wed, 30 Oct 2019 10:21:58 -0700
Subject: [PATCH 08/10] docs: correct wording

---
 packages/parser/README.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/parser/README.md b/packages/parser/README.md
index ba45c558682..6c84657f3df 100644
--- a/packages/parser/README.md
+++ b/packages/parser/README.md
@@ -42,14 +42,14 @@ The following additional configuration options are available by specifying them
 
 - **`ecmaFeatures.jsx`** - default `false`. Enable parsing JSX when `true`. More details can be found [here](https://www.typescriptlang.org/docs/handbook/jsx.html).
 
-  NOTE: this setting does not effect known file types (.js, .jsx, .ts, .tsx, .json) because the
-  typescript compiler has its own internal handling for known file extensions. The exact behaviour is as follows:
+  NOTE: we do not always respect this setting, as in some configurations, we have to rely upon the typescript compiler's internal handling based on file extensions.
+  The exact behaviour is as follows:
 
-  - if `parserOptions.project` is provided:
+  - if `parserOptions.project` is _not_ provided:
     - `.js`, `.jsx`, `.tsx` files are parsed as if this is true.
     - `.ts` files are parsed as if this is false.
     - unknown extensions (`.md`, `.vue`) will respect this setting.
-  - if `parserOptions.project` is _not_ provided:
+  - if `parserOptions.project` is provided (i.e. you are using rules with type information):
     - `.js`, `.jsx`, `.tsx` files are parsed as if this is true.
     - `.ts` files are parsed as if this is false.
     - "unknown" extensions (`.md`, `.vue`) **are parsed as if this is false**.

From 523384cb65736a43357e82cc6ffcb4439e60c3cd Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Wed, 30 Oct 2019 10:26:16 -0700
Subject: [PATCH 09/10] docs: correct wording

---
 packages/parser/README.md | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/packages/parser/README.md b/packages/parser/README.md
index 6c84657f3df..011fb69b13d 100644
--- a/packages/parser/README.md
+++ b/packages/parser/README.md
@@ -42,8 +42,7 @@ The following additional configuration options are available by specifying them
 
 - **`ecmaFeatures.jsx`** - default `false`. Enable parsing JSX when `true`. More details can be found [here](https://www.typescriptlang.org/docs/handbook/jsx.html).
 
-  NOTE: we do not always respect this setting, as in some configurations, we have to rely upon the typescript compiler's internal handling based on file extensions.
-  The exact behaviour is as follows:
+  NOTE: this setting does not effect known file types (.js, .jsx, .ts, .tsx, .json) because the typescript compiler has its own internal handling for known file extensions. The exact behaviour is as follows:
 
   - if `parserOptions.project` is _not_ provided:
     - `.js`, `.jsx`, `.tsx` files are parsed as if this is true.

From adccebc9bc0146dc658a919388d972e808a157db Mon Sep 17 00:00:00 2001
From: Brad Zacher <brad.zacher@gmail.com>
Date: Fri, 1 Nov 2019 10:02:14 -0700
Subject: [PATCH 10/10] chore: new commit to force codecov

---
 package.json | 2 +-
 yarn.lock    | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/package.json b/package.json
index 6390641fcae..559b4e79271 100644
--- a/package.json
+++ b/package.json
@@ -80,6 +80,6 @@
     "url": "https://opencollective.com/typescript-eslint"
   },
   "resolutions": {
-    "typescript": "^3.7.0-dev.20191018"
+    "typescript": "^3.7.0-dev.20191021"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 88507646d6d..58e28ad5ec0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7715,10 +7715,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@*, "typescript@>=3.2.1 <3.8.0 || >3.7.0-dev.0", typescript@^3.7.0-dev.20191018:
-  version "3.7.0-dev.20191018"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.0-dev.20191018.tgz#6b98a655b124ca697364e2d7977c469a2bfede3d"
-  integrity sha512-Z8KpsytbY5lBMp5cc08VFoO8CgHC6IcbgyiA5vjh7fitkoG0qcem9C354YuiWV4O2+i2gdC7vF8tNUYqO/vUkQ==
+typescript@*, "typescript@>=3.2.1 <3.8.0 || >3.7.0-dev.0", typescript@^3.7.0-dev.20191021:
+  version "3.7.0-dev.20191021"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.0-dev.20191021.tgz#e0238e0b3eed9fc265767a1b7f5346fea8ab5edb"
+  integrity sha512-SSx/+QkyW7PMcaGQXzVmVkrRmmaLFsdOYXhP9sY9eYMiHrfmtZE9EL2hjtbihfnpyWfCmPup69VgbB4dTTEQgg==
 
 uglify-js@^3.1.4:
   version "3.6.0"