Function isPrologueDirective

test/fixtures/snapshot/typescript.js:15466–15469

(node)

    }
    ts.isLiteralImportTypeNode = isLiteralImportTypeNode;
    function isPrologueDirective(node) {
        return node.kind === 238 /* SyntaxKind.ExpressionStatement */
            && node.expression.kind === 10 /* SyntaxKind.StringLiteral */;
    }
    ts.isPrologueDirective = isPrologueDirective;
    function isCustomPrologue(node) {
        return !!(getEmitFlags(node) & 1048576 /* EmitFlags.CustomPrologue */);