feat(typescript-estree): added allowInvalidAST option to not throw on invalid tokens (#6247)

Author: JoshuaKGoldberg

docs/architecture/TypeScript-ESTree.mdx

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+export class { }

packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/export-missing-name/fixture.ts

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AST Fixtures declaration ClassDeclaration _error_ export-missing-name TSESTree - Error 1`] = `
+"TSError
+> 1 | export class { }
+ | ^ A class declaration without the 'default' modifier must have a name.
+ 2 |"
+`;

packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/export-missing-name/snapshots/1-TSESTree-Error.shot

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AST Fixtures declaration ClassDeclaration _error_ export-missing-name Babel - Error 1`] = `[SyntaxError: A class name is required. (1:13)]`;

packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/export-missing-name/snapshots/2-Babel-Error.shot

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AST Fixtures declaration ClassDeclaration _error_ export-missing-name Error Alignment 1`] = `"Both errored"`;

packages/ast-spec/src/declaration/ClassDeclaration/fixtures/_error_/export-missing-name/snapshots/3-Alignment-Error.shot

@@ -1,3 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ anonymous-class TSESTree - Error 1`] = `"NO ERROR"`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ anonymous-class TSESTree - Error 1`] = `
+"TSError
+> 1 | export class {}
+ | ^ A class declaration without the 'default' modifier must have a name.
+ 2 |"
+`;

packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/anonymous-class/snapshots/1-TSESTree-Error.shot

@@ -1,3 +1,3 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AST Fixtures declaration ExportNamedDeclaration _error_ anonymous-class Error Alignment 1`] = `"Babel errored but TSESTree didn't"`;
+exports[`AST Fixtures declaration ExportNamedDeclaration _error_ anonymous-class Error Alignment 1`] = `"Both errored"`;

packages/ast-spec/src/declaration/ExportNamedDeclaration/fixtures/_error_/anonymous-class/snapshots/3-Alignment-Error.shot

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+@decl enum Test {}

packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/decorator/fixture.ts

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AST Fixtures declaration TSEnumDeclaration _error_ decorator TSESTree - Error 1`] = `
+"TSError
+> 1 | @decl enum Test {}
+ | ^ Decorators are not valid here.
+ 2 |"
+`;

packages/ast-spec/src/declaration/TSEnumDeclaration/fixtures/_error_/decorator/snapshots/1-TSESTree-Error.shot

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AST Fixtures declaration TSEnumDeclaration _error_ decorator Babel - Error 1`] = `[SyntaxError: Leading decorators must be attached to a class declaration. (1:6)]`;