Function checkArrayLiteralAssignment

test/fixtures/snapshot/typescript.js:78719–78737

(node, sourceType, checkMode)

            }
        }
        function checkArrayLiteralAssignment(node, sourceType, checkMode) {
            var elements = node.elements;
            if (languageVersion < 2 /* ScriptTarget.ES2015 */ && compilerOptions.downlevelIteration) {
                checkExternalEmitHelpers(node, 512 /* ExternalEmitHelpers.Read */);
            }
            // This elementType will be used if the specific property corresponding to this index is not
            // present (aka the tuple element property). This call also checks that the parentType is in
            // fact an iterable or array (depending on target language).
            var possiblyOutOfBoundsType = checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */ | 128 /* IterationUse.PossiblyOutOfBounds */, sourceType, undefinedType, node) || errorType;
            var inBoundsType = compilerOptions.noUncheckedIndexedAccess ? undefined : possiblyOutOfBoundsType;
            for (var i = 0; i < elements.length; i++) {
                var type = possiblyOutOfBoundsType;
                if (node.elements[i].kind === 225 /* SyntaxKind.SpreadElement */) {
                    type = inBoundsType = inBoundsType !== null && inBoundsType !== void 0 ? inBoundsType : (checkIteratedTypeOrElementType(65 /* IterationUse.Destructuring */, sourceType, undefinedType, node) || errorType);
                }
                checkArrayLiteralDestructuringElementAssignment(node, sourceType, i, type, checkMode);
            }
            return sourceType;
        }
        function checkArrayLiteralDestructuringElementAssignment(node, sourceType, elementIndex, elementType, checkMode) {
            var elements = node.elements;
            var element = elements[elementIndex];