diff --git a/packages/ast-spec/package.json b/packages/ast-spec/package.json
index 4a62e72184e..5cacbcce852 100644
--- a/packages/ast-spec/package.json
+++ b/packages/ast-spec/package.json
@@ -46,6 +46,7 @@
     "@babel/core": "*",
     "@babel/eslint-parser": "*",
     "@babel/parser": "*",
+    "@babel/code-frame": "*",
     "@microsoft/api-extractor": "^7.23.2",
     "@types/babel__core": "*",
     "glob": "*",
diff --git a/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
index c17328b32e8..f8cc08dcf67 100644
--- a/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ClassDeclaration _error_ missing-body TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures declaration ClassDeclaration _error_ missing-body TSESTree - Error 1`] = `
+"TSError
+> 1 | class Foo;
+    |          ^ '{' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
index 7b137a8c5de..cbf46a94b95 100644
--- a/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ClassDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures declaration ClassDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `
+"TSError
+> 1 | class 'Foo' {}
+    |       ^ '{' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
index 0be64ad3473..106f67b9962 100644
--- a/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ClassDeclaration _error_ non-identifier-type-param TSESTree - Error 1`] = `[TSError: Type parameter declaration expected.]`;
+exports[`AST Fixtures declaration ClassDeclaration _error_ non-identifier-type-param TSESTree - Error 1`] = `
+"TSError
+> 1 | class C<1> {}
+    |         ^ Type parameter declaration expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/missing-source/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/missing-source/snapshots/1-TSESTree-Error.shot
index d3c411c7ec3..41bd9538e7f 100644
--- a/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/missing-source/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/missing-source/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportAllDeclaration _error_ missing-source TSESTree - Error 1`] = `[TSError: Expression expected.]`;
+exports[`AST Fixtures declaration ExportAllDeclaration _error_ missing-source TSESTree - Error 1`] = `
+"TSError
+> 1 | export * from;
+    |              ^ Expression expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot
index 5f6d97e5f2b..cea1b9f2468 100644
--- a/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportAllDeclaration _error_ named-non-identifier TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration ExportAllDeclaration _error_ named-non-identifier TSESTree - Error 1`] = `
+"TSError
+> 1 | export * as 'foo' from 'module';
+    |             ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot
index bcf5b40695c..52c5c7981ca 100644
--- a/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportAllDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportAllDeclaration _error_ non-string-source TSESTree - Error 1`] = `[TSError: Module specifier must be a string literal.]`;
+exports[`AST Fixtures declaration ExportAllDeclaration _error_ non-string-source TSESTree - Error 1`] = `
+"TSError
+> 1 | export * from module;
+    |              ^ Module specifier must be a string literal.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/enum/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/enum/snapshots/1-TSESTree-Error.shot
index c289052b36c..2d7fc99e0d6 100644
--- a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/enum/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/enum/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ enum TSESTree - Error 1`] = `[TSError: Expression expected.]`;
+exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ enum TSESTree - Error 1`] = `
+"TSError
+> 1 | export default enum Foo {}
+    |                ^ Expression expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/namespace/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/namespace/snapshots/1-TSESTree-Error.shot
index d1633569950..49d3238347f 100644
--- a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/namespace/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/namespace/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ namespace TSESTree - Error 1`] = `[TSError: ';' expected.]`;
+exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ namespace TSESTree - Error 1`] = `
+"TSError
+> 1 | export default namespace Foo {}
+    |                          ^ ';' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/type-alias/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/type-alias/snapshots/1-TSESTree-Error.shot
index bce2c7cd5ee..c9b9a1add35 100644
--- a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/type-alias/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/type-alias/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ type-alias TSESTree - Error 1`] = `[TSError: ';' expected.]`;
+exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ type-alias TSESTree - Error 1`] = `
+"TSError
+> 1 | export default type Foo = 1;
+    |                     ^ ';' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/variable-declaration/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/variable-declaration/snapshots/1-TSESTree-Error.shot
index 43ab9a3893e..d8dbfa38549 100644
--- a/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/variable-declaration/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportDefaultDeclaration/fixtures/_error_/variable-declaration/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ variable-declaration TSESTree - Error 1`] = `[TSError: Expression expected.]`;
+exports[`AST Fixtures declaration ExportDefaultDeclaration _error_ variable-declaration TSESTree - Error 1`] = `
+"TSError
+> 1 | export default const x = 1;
+    |                ^ Expression expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/aliased-literal/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/aliased-literal/snapshots/1-TSESTree-Error.shot
index 71841045f6c..015ff072aa2 100644
--- a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/aliased-literal/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/aliased-literal/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ aliased-literal TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ aliased-literal TSESTree - Error 1`] = `
+"TSError
+> 1 | export { a as 'a' };
+    |               ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/anonymous-function-expression/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/anonymous-function-expression/snapshots/1-TSESTree-Error.shot
index 9c89f7d7f37..4082dd30023 100644
--- a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/anonymous-function-expression/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/anonymous-function-expression/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ anonymous-function-expression TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ anonymous-function-expression TSESTree - Error 1`] = `
+"TSError
+> 1 | export function () {}
+    |                 ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/arrow-function/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/arrow-function/snapshots/1-TSESTree-Error.shot
index bc1507d797f..28d1d243964 100644
--- a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/arrow-function/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/arrow-function/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ arrow-function TSESTree - Error 1`] = `[TSError: Declaration or statement expected.]`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ arrow-function TSESTree - Error 1`] = `
+"TSError
+> 1 | export () => {};
+    | ^ Declaration or statement expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/class-expression/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/class-expression/snapshots/1-TSESTree-Error.shot
index af9eba5ac2c..ceed78baec4 100644
--- a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/class-expression/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/class-expression/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ class-expression TSESTree - Error 1`] = `[TSError: Declaration or statement expected.]`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ class-expression TSESTree - Error 1`] = `
+"TSError
+> 1 | export (class Foo {});
+    | ^ Declaration or statement expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/identifier-direct/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/identifier-direct/snapshots/1-TSESTree-Error.shot
index 302c6c7c652..1f563cfbf37 100644
--- a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/identifier-direct/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/identifier-direct/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ identifier-direct TSESTree - Error 1`] = `[TSError: Declaration or statement expected.]`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ identifier-direct TSESTree - Error 1`] = `
+"TSError
+> 1 | export a;
+    | ^ Declaration or statement expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-braced/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-braced/snapshots/1-TSESTree-Error.shot
index 7e7d8c008fc..55c09361565 100644
--- a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-braced/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-braced/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ literal-braced TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ literal-braced TSESTree - Error 1`] = `
+"TSError
+> 1 | export { 'a' };
+    |          ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-direct/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-direct/snapshots/1-TSESTree-Error.shot
index 9e96ac05522..119a66ed891 100644
--- a/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-direct/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/literal-direct/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ literal-direct TSESTree - Error 1`] = `[TSError: Declaration or statement expected.]`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ literal-direct TSESTree - Error 1`] = `
+"TSError
+> 1 | export 'a';
+    | ^ Declaration or statement expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot
index e8630b3f99c..0956bdc9b2f 100644
--- a/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration FunctionDeclaration _error_ missing-id-and-not-exported TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration FunctionDeclaration _error_ missing-id-and-not-exported TSESTree - Error 1`] = `
+"TSError
+> 1 | function () {}
+    |          ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
index 156bebb725c..ac2aad35f54 100644
--- a/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration FunctionDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration FunctionDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `
+"TSError
+> 1 | function 1() {}
+    |          ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
index 8c643863afb..13d3d85c2d0 100644
--- a/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/FunctionDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration FunctionDeclaration _error_ non-identifier-type-param TSESTree - Error 1`] = `[TSError: Type parameter declaration expected.]`;
+exports[`AST Fixtures declaration FunctionDeclaration _error_ non-identifier-type-param TSESTree - Error 1`] = `
+"TSError
+> 1 | function foo<1>() {}
+    |              ^ Type parameter declaration expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/default-non-identifier/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/default-non-identifier/snapshots/1-TSESTree-Error.shot
index 233c225dd50..33e9c446a1a 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/default-non-identifier/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/default-non-identifier/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ default-non-identifier TSESTree - Error 1`] = `[TSError: Declaration or statement expected.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ default-non-identifier TSESTree - Error 1`] = `
+"TSError
+> 1 | import 1 from 'mod';
+    | ^ Declaration or statement expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-and-namespace/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-and-namespace/snapshots/1-TSESTree-Error.shot
index d94d399517f..e5cfc6b43cc 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-and-namespace/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-and-namespace/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ named-and-namespace TSESTree - Error 1`] = `[TSError: 'from' expected.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ named-and-namespace TSESTree - Error 1`] = `
+"TSError
+> 1 | import { b }, * as a from 'a';
+    |             ^ 'from' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot
index 2ca1651099b..a4b94678f3e 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/named-non-identifier/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ named-non-identifier TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ named-non-identifier TSESTree - Error 1`] = `
+"TSError
+> 1 | import { 1 } from 'mod';
+    |          ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-default/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-default/snapshots/1-TSESTree-Error.shot
index 9d2be22fe16..59a98df1b7c 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-default/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-default/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-and-default TSESTree - Error 1`] = `[TSError: 'from' expected.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-and-default TSESTree - Error 1`] = `
+"TSError
+> 1 | import * as b, a from 'mod';
+    |              ^ 'from' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-named/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-named/snapshots/1-TSESTree-Error.shot
index a2271606e4b..53e838303c4 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-named/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-named/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-and-named TSESTree - Error 1`] = `[TSError: 'from' expected.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-and-named TSESTree - Error 1`] = `
+"TSError
+> 1 | import * as a, { b } from 'a';
+    |              ^ 'from' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-namespace/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-namespace/snapshots/1-TSESTree-Error.shot
index 0a5d4ab3922..3f80cb253da 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-namespace/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-and-namespace/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-and-namespace TSESTree - Error 1`] = `[TSError: 'from' expected.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-and-namespace TSESTree - Error 1`] = `
+"TSError
+> 1 | import * as a, * as b from 'a';
+    |              ^ 'from' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-non-identifier/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-non-identifier/snapshots/1-TSESTree-Error.shot
index fa9ec459a92..4264e2530ef 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-non-identifier/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/namespace-non-identifier/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-non-identifier TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ namespace-non-identifier TSESTree - Error 1`] = `
+"TSError
+> 1 | import * as 1 from 'mod';
+    |             ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot
index 4cfff84fd98..93ead06a43f 100644
--- a/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/ImportDeclaration/fixtures/_error_/non-string-source/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ImportDeclaration _error_ non-string-source TSESTree - Error 1`] = `[TSError: Module specifier must be a string literal.]`;
+exports[`AST Fixtures declaration ImportDeclaration _error_ non-string-source TSESTree - Error 1`] = `
+"TSError
+> 1 | import * as x from module;
+    |                   ^ Module specifier must be a string literal.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot
index 53a142d37be..552e4f76d05 100644
--- a/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/missing-id-and-not-exported/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSDeclareFunction _error_ missing-id-and-not-exported TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSDeclareFunction _error_ missing-id-and-not-exported TSESTree - Error 1`] = `
+"TSError
+> 1 | declare function ();
+    |                  ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
index 86f0f5e5e10..42648fc529a 100644
--- a/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSDeclareFunction _error_ non-identifier-name TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSDeclareFunction _error_ non-identifier-name TSESTree - Error 1`] = `
+"TSError
+> 1 | declare function 1();
+    |                  ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
index 4b033027f13..cb267be45a9 100644
--- a/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSDeclareFunction/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSDeclareFunction _error_ non-identifier-type-param TSESTree - Error 1`] = `[TSError: Type parameter declaration expected.]`;
+exports[`AST Fixtures declaration TSDeclareFunction _error_ non-identifier-type-param TSESTree - Error 1`] = `
+"TSError
+> 1 | declare function f<1>(): void;
+    |                    ^ Type parameter declaration expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
index 89896499476..4d532e2b649 100644
--- a/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSEnumDeclaration _error_ missing-body TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures declaration TSEnumDeclaration _error_ missing-body TSESTree - Error 1`] = `
+"TSError
+> 1 | enum Foo;
+    |         ^ '{' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
index 0653a9025ef..31015b7ff4e 100644
--- a/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSEnumDeclaration _error_ missing-id TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSEnumDeclaration _error_ missing-id TSESTree - Error 1`] = `
+"TSError
+> 1 | enum {}
+    |      ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
index 15a27efccaf..764dad5e9a4 100644
--- a/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSEnumDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSEnumDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `
+"TSError
+> 1 | enum 1 {}
+    |      ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/entity-name-invalid/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/entity-name-invalid/snapshots/1-TSESTree-Error.shot
index 3593291fdb2..7104057f55f 100644
--- a/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/entity-name-invalid/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/entity-name-invalid/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSImportEqualsDeclaration _error_ entity-name-invalid TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSImportEqualsDeclaration _error_ entity-name-invalid TSESTree - Error 1`] = `
+"TSError
+> 1 | import F = 1;
+    |            ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
index b5dc03a804c..622b5fb5c39 100644
--- a/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSImportEqualsDeclaration _error_ missing-id TSESTree - Error 1`] = `[TSError: Declaration or statement expected.]`;
+exports[`AST Fixtures declaration TSImportEqualsDeclaration _error_ missing-id TSESTree - Error 1`] = `
+"TSError
+> 1 | import = A.B;
+    | ^ Declaration or statement expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-reference/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-reference/snapshots/1-TSESTree-Error.shot
index cb33fd8279b..01d898e8806 100644
--- a/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-reference/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSImportEqualsDeclaration/fixtures/_error_/missing-reference/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSImportEqualsDeclaration _error_ missing-reference TSESTree - Error 1`] = `[TSError: '=' expected.]`;
+exports[`AST Fixtures declaration TSImportEqualsDeclaration _error_ missing-reference TSESTree - Error 1`] = `
+"TSError
+> 1 | import F;
+    |         ^ '=' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
index 128274dff58..ab7e5c43958 100644
--- a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-body/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ missing-body TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ missing-body TSESTree - Error 1`] = `
+"TSError
+> 1 | interface F;
+    |            ^ '{' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
index d640ad78d53..2c69569d0fe 100644
--- a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ missing-id TSESTree - Error 1`] = `[TSError: Interface must be given a name.]`;
+exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ missing-id TSESTree - Error 1`] = `
+"TSError
+> 1 | interface {}
+    |           ^ Interface must be given a name.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
index 7b6a2f0a666..4c5a9b4b098 100644
--- a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `[TSError: Interface name cannot be '1'.]`;
+exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `
+"TSError
+> 1 | interface 1 {}
+    |           ^ Interface name cannot be '1'.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
index e48629574cf..b84a281982b 100644
--- a/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSInterfaceDeclaration/fixtures/_error_/non-identifier-type-param/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ non-identifier-type-param TSESTree - Error 1`] = `[TSError: Type parameter declaration expected.]`;
+exports[`AST Fixtures declaration TSInterfaceDeclaration _error_ non-identifier-type-param TSESTree - Error 1`] = `
+"TSError
+> 1 | interface F<1> {}
+    |             ^ Type parameter declaration expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-invalid-id/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-invalid-id/snapshots/1-TSESTree-Error.shot
index 082a7d854c2..60094efbe41 100644
--- a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-invalid-id/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-invalid-id/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSModuleDeclaration _error_ module-invalid-id TSESTree - Error 1`] = `[TSError: Namespace name cannot be '1'.]`;
+exports[`AST Fixtures declaration TSModuleDeclaration _error_ module-invalid-id TSESTree - Error 1`] = `
+"TSError
+> 1 | module 1 {}
+    |        ^ Namespace name cannot be '1'.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-missing-body/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-missing-body/snapshots/1-TSESTree-Error.shot
index 0a8a833a27a..d6c0dfba3f3 100644
--- a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-missing-body/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/module-missing-body/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSModuleDeclaration _error_ module-missing-body TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures declaration TSModuleDeclaration _error_ module-missing-body TSESTree - Error 1`] = `
+"TSError
+> 1 | module F;
+    |         ^ '{' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-declare-no-body/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-declare-no-body/snapshots/1-TSESTree-Error.shot
index 6a1c0b8eebf..a3fd19de9bd 100644
--- a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-declare-no-body/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-declare-no-body/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-declare-no-body TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-declare-no-body TSESTree - Error 1`] = `
+"TSError
+> 1 | declare namespace F;
+    |                    ^ '{' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-id-literal/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-id-literal/snapshots/1-TSESTree-Error.shot
index bdb99cfb914..d390e8f8ba9 100644
--- a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-id-literal/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-id-literal/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-id-literal TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-id-literal TSESTree - Error 1`] = `
+"TSError
+> 1 | namespace 'a' {}
+    |           ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-invalid-id/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-invalid-id/snapshots/1-TSESTree-Error.shot
index 3fbcf961cfa..c857310223a 100644
--- a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-invalid-id/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-invalid-id/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-invalid-id TSESTree - Error 1`] = `[TSError: Namespace name cannot be '1'.]`;
+exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-invalid-id TSESTree - Error 1`] = `
+"TSError
+> 1 | namespace 1 {}
+    |           ^ Namespace name cannot be '1'.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-no-body/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-no-body/snapshots/1-TSESTree-Error.shot
index 33a26d312ca..d01edfb1d18 100644
--- a/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-no-body/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSModuleDeclaration/fixtures/_error_/namespace-no-body/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-no-body TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures declaration TSModuleDeclaration _error_ namespace-no-body TSESTree - Error 1`] = `
+"TSError
+> 1 | namespace F;
+    |            ^ '{' expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
index e47c9aa7c25..904fa17bbda 100644
--- a/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/missing-id/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSNamespaceExportDeclaration _error_ missing-id TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSNamespaceExportDeclaration _error_ missing-id TSESTree - Error 1`] = `
+"TSError
+> 1 | export as namespace;
+    |                    ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
index 3e11b470029..54f1d45efe4 100644
--- a/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSNamespaceExportDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSNamespaceExportDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `[TSError: Identifier expected.]`;
+exports[`AST Fixtures declaration TSNamespaceExportDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `
+"TSError
+> 1 | export as namespace 1;
+    |                     ^ Identifier expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
index 7eaf3f0bba4..dc83090da35 100644
--- a/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-name/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSTypeAliasDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `[TSError: Type alias name cannot be '1'.]`;
+exports[`AST Fixtures declaration TSTypeAliasDeclaration _error_ non-identifier-name TSESTree - Error 1`] = `
+"TSError
+> 1 | type 1 = 2;
+    |      ^ Type alias name cannot be '1'.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-type-parameter/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-type-parameter/snapshots/1-TSESTree-Error.shot
index b11bc95c96d..eb6164b79a2 100644
--- a/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-type-parameter/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/TSTypeAliasDeclaration/fixtures/_error_/non-identifier-type-parameter/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration TSTypeAliasDeclaration _error_ non-identifier-type-parameter TSESTree - Error 1`] = `[TSError: Type parameter declaration expected.]`;
+exports[`AST Fixtures declaration TSTypeAliasDeclaration _error_ non-identifier-type-parameter TSESTree - Error 1`] = `
+"TSError
+> 1 | type T<1> = 2;
+    |        ^ Type parameter declaration expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/declaration/VariableDeclaration/fixtures/_error_/missing-id-with-value/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/declaration/VariableDeclaration/fixtures/_error_/missing-id-with-value/snapshots/1-TSESTree-Error.shot
index 3f61a7ec4bd..a644ecb1372 100644
--- a/packages/ast-spec/src/declaration/VariableDeclaration/fixtures/_error_/missing-id-with-value/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/declaration/VariableDeclaration/fixtures/_error_/missing-id-with-value/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration VariableDeclaration _error_ missing-id-with-value TSESTree - Error 1`] = `[TSError: Variable declaration expected.]`;
+exports[`AST Fixtures declaration VariableDeclaration _error_ missing-id-with-value TSESTree - Error 1`] = `
+"TSError
+> 1 | const = 1;
+    |       ^ Variable declaration expected.
+  2 |"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/basics/fixtures/_error_/class-with-export-parameter-properties/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/basics/fixtures/_error_/class-with-export-parameter-properties/snapshots/1-TSESTree-Error.shot
index a5771157fc1..1cbe0b6996d 100644
--- a/packages/ast-spec/src/legacy-fixtures/basics/fixtures/_error_/class-with-export-parameter-properties/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/basics/fixtures/_error_/class-with-export-parameter-properties/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,12 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures basics _error_ class-with-export-parameter-properties TSESTree - Error 1`] = `[TSError: A parameter cannot have an export modifier.]`;
+exports[`AST Fixtures legacy-fixtures basics _error_ class-with-export-parameter-properties TSESTree - Error 1`] = `
+"TSError
+  2 |
+  3 | class Foo {
+> 4 |     constructor(export a: string) {
+    |                 ^ A parameter cannot have an export modifier.
+  5 |
+  6 |     }
+  7 | }"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-index-signature-export/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-index-signature-export/snapshots/1-TSESTree-Error.shot
index d84129b6d8f..026026fb4c0 100644
--- a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-index-signature-export/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-index-signature-export/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,12 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-index-signature-export TSESTree - Error 1`] = `[TSError: An index signature cannot have an export modifier.]`;
+exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-index-signature-export TSESTree - Error 1`] = `
+"TSError
+  1 | // TODO: This fixture might be too large, and if so should be split up.
+  2 |
+> 3 | interface Foo {
+    |                ^ An index signature cannot have an export modifier.
+  4 |   export [baz: string]: string;
+  5 | }
+  6 |"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-method-export/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-method-export/snapshots/1-TSESTree-Error.shot
index 5897c243c82..460cd78d0cc 100644
--- a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-method-export/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-method-export/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,12 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-method-export TSESTree - Error 1`] = `[TSError: A method signature cannot have an export modifier.]`;
+exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-method-export TSESTree - Error 1`] = `
+"TSError
+  1 | // TODO: This fixture might be too large, and if so should be split up.
+  2 |
+> 3 | interface Foo {
+    |                ^ A method signature cannot have an export modifier.
+  4 |     export g(bar: string): void;
+  5 | }
+  6 |"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-export/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-export/snapshots/1-TSESTree-Error.shot
index c61919f2a6f..95024673e53 100644
--- a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-export/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-export/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,12 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-property-export TSESTree - Error 1`] = `[TSError: A property signature cannot have an export modifier.]`;
+exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-property-export TSESTree - Error 1`] = `
+"TSError
+  1 | // TODO: This fixture might be too large, and if so should be split up.
+  2 |
+> 3 | interface Foo {
+    |                ^ A property signature cannot have an export modifier.
+  4 |   export a: string;
+  5 | }
+  6 |"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-with-default-value/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-with-default-value/snapshots/1-TSESTree-Error.shot
index e218386e43e..9cc70379ece 100644
--- a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-with-default-value/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-property-with-default-value/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,12 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-property-with-default-value TSESTree - Error 1`] = `[TSError: A property signature cannot have an initializer.]`;
+exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-property-with-default-value TSESTree - Error 1`] = `
+"TSError
+  1 | // TODO: This fixture might be too large, and if so should be split up.
+  2 |
+> 3 | interface Foo {
+    |                ^ A property signature cannot have an initializer.
+  4 |   bar: string = 'a';
+  5 | }
+  6 |"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-with-no-body/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-with-no-body/snapshots/1-TSESTree-Error.shot
index 2a48d476319..95bd5eb7ffc 100644
--- a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-with-no-body/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/interface-with-no-body/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,9 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-with-no-body TSESTree - Error 1`] = `[TSError: '{' expected.]`;
+exports[`AST Fixtures legacy-fixtures errorRecovery _error_ interface-with-no-body TSESTree - Error 1`] = `
+"TSError
+  2 |
+  3 | interface Foo
+> 4 |
+    | ^ '{' expected."
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-assertion-not-allowed/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-assertion-not-allowed/snapshots/1-TSESTree-Error.shot
index 120f6a7564f..52debdfd81d 100644
--- a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-assertion-not-allowed/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-assertion-not-allowed/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,10 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures errorRecovery _error_ object-assertion-not-allowed TSESTree - Error 1`] = `[TSError: A shorthand property assignment cannot have an exclamation token.]`;
+exports[`AST Fixtures legacy-fixtures errorRecovery _error_ object-assertion-not-allowed TSESTree - Error 1`] = `
+"TSError
+  1 | // TODO: This fixture might be too large, and if so should be split up.
+  2 |
+> 3 | ({a!} = {})
+    |   ^ A shorthand property assignment cannot have an exclamation token.
+  4 |"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-optional-not-allowed/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-optional-not-allowed/snapshots/1-TSESTree-Error.shot
index 358de70e95c..a12f4a288f5 100644
--- a/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-optional-not-allowed/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/errorRecovery/fixtures/_error_/object-optional-not-allowed/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,10 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures errorRecovery _error_ object-optional-not-allowed TSESTree - Error 1`] = `[TSError: A shorthand property assignment cannot have a question token.]`;
+exports[`AST Fixtures legacy-fixtures errorRecovery _error_ object-optional-not-allowed TSESTree - Error 1`] = `
+"TSError
+  1 | // TODO: This fixture might be too large, and if so should be split up.
+  2 |
+> 3 | ({a?} = {})
+    |   ^ A shorthand property assignment cannot have a question token.
+  4 |"
+`;
diff --git a/packages/ast-spec/src/legacy-fixtures/expressions/fixtures/_error_/instantiation-expression/snapshots/1-TSESTree-Error.shot b/packages/ast-spec/src/legacy-fixtures/expressions/fixtures/_error_/instantiation-expression/snapshots/1-TSESTree-Error.shot
index 1f60a6e3402..8064f9d9654 100644
--- a/packages/ast-spec/src/legacy-fixtures/expressions/fixtures/_error_/instantiation-expression/snapshots/1-TSESTree-Error.shot
+++ b/packages/ast-spec/src/legacy-fixtures/expressions/fixtures/_error_/instantiation-expression/snapshots/1-TSESTree-Error.shot
@@ -1,3 +1,12 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures legacy-fixtures expressions _error_ instantiation-expression TSESTree - Error 1`] = `[TSError: Expression expected.]`;
+exports[`AST Fixtures legacy-fixtures expressions _error_ instantiation-expression TSESTree - Error 1`] = `
+"TSError
+  3 | a<b>;
+  4 |
+> 5 | a<b><c>;
+    |        ^ Expression expected.
+  6 | a<b><c>();
+  7 | a<b><c>?.();
+  8 | a?.b<c><d>();"
+`;
diff --git a/packages/ast-spec/tests/fixtures.test.ts b/packages/ast-spec/tests/fixtures.test.ts
index 3880e980e5c..9e5fd7e1907 100644
--- a/packages/ast-spec/tests/fixtures.test.ts
+++ b/packages/ast-spec/tests/fixtures.test.ts
@@ -13,6 +13,7 @@ import type {
 import { ParserResponseType } from './util/parsers/parser-types';
 import { parseTSESTree } from './util/parsers/typescript-estree';
 import { diffHasChanges, snapshotDiff } from './util/snapshot-diff';
+import { serializeError } from './util/serialize-error';
 
 const PACKAGE_ROOT = path.resolve(__dirname, '..');
 const SRC_DIR = path.resolve(PACKAGE_ROOT, 'src');
@@ -171,7 +172,9 @@ function nestDescribe(fixture: Fixture, segments = fixture.segments): void {
         }
 
         it('TSESTree - Error', () => {
-          expect(tsestreeParsed.error).toMatchSpecificSnapshot(
+          expect(
+            serializeError(tsestreeParsed.error, contents),
+          ).toMatchSpecificSnapshot(
             fixture.snapshotFiles.error.tsestree(snapshotCounter++),
           );
         });
diff --git a/packages/ast-spec/tests/util/serialize-error.ts b/packages/ast-spec/tests/util/serialize-error.ts
new file mode 100644
index 00000000000..84737c34230
--- /dev/null
+++ b/packages/ast-spec/tests/util/serialize-error.ts
@@ -0,0 +1,22 @@
+import { codeFrameColumns } from '@babel/code-frame';
+import { TSError } from '@typescript-eslint/typescript-estree';
+
+export function serializeError(
+  error: unknown,
+  contents: string,
+): unknown | string {
+  if (!(error instanceof TSError)) {
+    return error;
+  }
+
+  const { message, lineNumber: line, column, name } = error;
+  return (
+    name +
+    '\n' +
+    codeFrameColumns(
+      contents,
+      { start: { line, column: column + 1 } },
+      { highlightCode: false, message },
+    )
+  );
+}