Function canReuseNode

test/fixtures/snapshot/typescript.js:32828–32888

(node, parsingContext)

            return false;
        }
        function canReuseNode(node, parsingContext) {
            switch (parsingContext) {
                case 5 /* ParsingContext.ClassMembers */:
                    return isReusableClassMember(node);
                case 2 /* ParsingContext.SwitchClauses */:
                    return isReusableSwitchClause(node);
                case 0 /* ParsingContext.SourceElements */:
                case 1 /* ParsingContext.BlockStatements */:
                case 3 /* ParsingContext.SwitchClauseStatements */:
                    return isReusableStatement(node);
                case 6 /* ParsingContext.EnumMembers */:
                    return isReusableEnumMember(node);
                case 4 /* ParsingContext.TypeMembers */:
                    return isReusableTypeMember(node);
                case 8 /* ParsingContext.VariableDeclarations */:
                    return isReusableVariableDeclaration(node);
                case 17 /* ParsingContext.JSDocParameters */:
                case 16 /* ParsingContext.Parameters */:
                    return isReusableParameter(node);
                // Any other lists we do not care about reusing nodes in.  But feel free to add if
                // you can do so safely.  Danger areas involve nodes that may involve speculative
                // parsing.  If speculative parsing is involved with the node, then the range the
                // parser reached while looking ahead might be in the edited range (see the example
                // in canReuseVariableDeclaratorNode for a good case of this).
                // case ParsingContext.HeritageClauses:
                // This would probably be safe to reuse.  There is no speculative parsing with
                // heritage clauses.
                // case ParsingContext.TypeParameters:
                // This would probably be safe to reuse.  There is no speculative parsing with
                // type parameters.  Note that that's because type *parameters* only occur in
                // unambiguous *type* contexts.  While type *arguments* occur in very ambiguous
                // *expression* contexts.
                // case ParsingContext.TupleElementTypes:
                // This would probably be safe to reuse.  There is no speculative parsing with
                // tuple types.
                // Technically, type argument list types are probably safe to reuse.  While
                // speculative parsing is involved with them (since type argument lists are only
                // produced from speculative parsing a < as a type argument list), we only have
                // the types because speculative parsing succeeded.  Thus, the lookahead never
                // went past the end of the list and rewound.
                // case ParsingContext.TypeArguments:
                // Note: these are almost certainly not safe to ever reuse.  Expressions commonly
                // need a large amount of lookahead, and we should not reuse them as they may
                // have actually intersected the edit.
                // case ParsingContext.ArgumentExpressions:
                // This is not safe to reuse for the same reason as the 'AssignmentExpression'
                // cases.  i.e. a property assignment may end with an expression, and thus might
                // have lookahead far beyond it's old node.
                // case ParsingContext.ObjectLiteralMembers:
                // This is probably not safe to reuse.  There can be speculative parsing with
                // type names in a heritage clause.  There can be generic names in the type
                // name list, and there can be left hand side expressions (which can have type
                // arguments.)
                // case ParsingContext.HeritageClauseElement:
                // Perhaps safe to reuse, but it's unlikely we'd see more than a dozen attributes
                // on any given element. Same for children.
                // case ParsingContext.JsxAttributes:
                // case ParsingContext.JsxChildren: