Cherry-pick PR #49313 into release-4.7 (#49359)

TypeScript Bot · a-tarasyuk · web-flow · commit c07d88342884 · 2022-06-02T15:42:13.000-07:00
Component commits: 00b7574 fix(49306): add isImportTypeAssertionContainer helper Co-authored-by: Oleksandr T <oleksandr.tarasiuk@outlook.com>
diff --git a/src/compiler/factory/nodeTests.ts b/src/compiler/factory/nodeTests.ts
@@ -597,6 +597,10 @@ namespace ts {
         return node.kind === SyntaxKind.ImportClause;
     }
 
+    export function isImportTypeAssertionContainer(node: Node): node is ImportTypeAssertionContainer {
+        return node.kind === SyntaxKind.ImportTypeAssertionContainer;
+    }
+
     export function isAssertClause(node: Node): node is AssertClause {
         return node.kind === SyntaxKind.AssertClause;
     }
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -4720,6 +4720,7 @@ declare namespace ts {
     function isImportEqualsDeclaration(node: Node): node is ImportEqualsDeclaration;
     function isImportDeclaration(node: Node): node is ImportDeclaration;
     function isImportClause(node: Node): node is ImportClause;
+    function isImportTypeAssertionContainer(node: Node): node is ImportTypeAssertionContainer;
     function isAssertClause(node: Node): node is AssertClause;
     function isAssertEntry(node: Node): node is AssertEntry;
     function isNamespaceImport(node: Node): node is NamespaceImport;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
@@ -4720,6 +4720,7 @@ declare namespace ts {
     function isImportEqualsDeclaration(node: Node): node is ImportEqualsDeclaration;
     function isImportDeclaration(node: Node): node is ImportDeclaration;
     function isImportClause(node: Node): node is ImportClause;
+    function isImportTypeAssertionContainer(node: Node): node is ImportTypeAssertionContainer;
     function isAssertClause(node: Node): node is AssertClause;
     function isAssertEntry(node: Node): node is AssertEntry;
     function isNamespaceImport(node: Node): node is NamespaceImport;

Original file line number	Diff line number	Diff line change
`@@ -597,6 +597,10 @@ namespace ts {`
`597`	`597`	`return node.kind === SyntaxKind.ImportClause;`
`598`	`598`	`}`
`599`	`599`
	`600`	`+ export function isImportTypeAssertionContainer(node: Node): node is ImportTypeAssertionContainer {`
	`601`	`+ return node.kind === SyntaxKind.ImportTypeAssertionContainer;`
	`602`	`+ }`
	`603`	`+`
`600`	`604`	`export function isAssertClause(node: Node): node is AssertClause {`
`601`	`605`	`return node.kind === SyntaxKind.AssertClause;`
`602`	`606`	`}`