Function convertForOfStatementForArray

test/fixtures/snapshot/typescript.js:100251–100295

(node, outermostLabeledStatement, convertedLoopBodyStatements)

            /*multiLine*/ true), 48 /* EmitFlags.NoSourceMap */ | 384 /* EmitFlags.NoTokenSourceMaps */);
        }
        function convertForOfStatementForArray(node, outermostLabeledStatement, convertedLoopBodyStatements) {
            // The following ES6 code:
            //
            //    for (let v of expr) { }
            //
            // should be emitted as
            //
            //    for (var _i = 0, _a = expr; _i < _a.length; _i++) {
            //        var v = _a[_i];
            //    }
            //
            // where _a and _i are temps emitted to capture the RHS and the counter,
            // respectively.
            // When the left hand side is an expression instead of a let declaration,
            // the "let v" is not emitted.
            // When the left hand side is a let/const, the v is renamed if there is
            // another v in scope.
            // Note that all assignments to the LHS are emitted in the body, including
            // all destructuring.
            // Note also that because an extra statement is needed to assign to the LHS,
            // for-of bodies are always emitted as blocks.
            var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
            // In the case where the user wrote an identifier as the RHS, like this:
            //
            //     for (let v of arr) { }
            //
            // we don't want to emit a temporary variable for the RHS, just use it directly.
            var counter = factory.createLoopVariable();
            var rhsReference = ts.isIdentifier(expression) ? factory.getGeneratedNameForNode(expression) : factory.createTempVariable(/*recordTempVariable*/ undefined);
            // The old emitter does not emit source maps for the expression
            ts.setEmitFlags(expression, 48 /* EmitFlags.NoSourceMap */ | ts.getEmitFlags(expression));
            var forStatement = ts.setTextRange(factory.createForStatement(
            /*initializer*/ ts.setEmitFlags(ts.setTextRange(factory.createVariableDeclarationList([
                ts.setTextRange(factory.createVariableDeclaration(counter, /*exclamationToken*/ undefined, /*type*/ undefined, factory.createNumericLiteral(0)), ts.moveRangePos(node.expression, -1)),
                ts.setTextRange(factory.createVariableDeclaration(rhsReference, /*exclamationToken*/ undefined, /*type*/ undefined, expression), node.expression)
            ]), node.expression), 2097152 /* EmitFlags.NoHoisting */), 
            /*condition*/ ts.setTextRange(factory.createLessThan(counter, factory.createPropertyAccessExpression(rhsReference, "length")), node.expression), 
            /*incrementor*/ ts.setTextRange(factory.createPostfixIncrement(counter), node.expression), 
            /*statement*/ convertForOfStatementHead(node, factory.createElementAccessExpression(rhsReference, counter), convertedLoopBodyStatements)), 
            /*location*/ node);
            // Disable trailing source maps for the OpenParenToken to align source map emit with the old emitter.
            ts.setEmitFlags(forStatement, 256 /* EmitFlags.NoTokenTrailingSourceMaps */);
            ts.setTextRange(forStatement, node);
            return factory.restoreEnclosingLabel(forStatement, outermostLabeledStatement, convertedLoopState && resetLabel);
        }
        function convertForOfStatementForIterable(node, outermostLabeledStatement, convertedLoopBodyStatements, ancestorFacts) {
            var expression = ts.visitNode(node.expression, visitor, ts.isExpression);
            var iterator = ts.isIdentifier(expression) ? factory.getGeneratedNameForNode(expression) : factory.createTempVariable(/*recordTempVariable*/ undefined);