Function pollWatchedFileQueue

test/fixtures/snapshot/typescript.js:6206–6250

(host, queue, pollIndex, chunkSize, callbackOnWatchFileStat)

    }
    ts.setCustomPollingValues = setCustomPollingValues;
    function pollWatchedFileQueue(host, queue, pollIndex, chunkSize, callbackOnWatchFileStat) {
        var definedValueCopyToIndex = pollIndex;
        // Max visit would be all elements of the queue
        for (var canVisit = queue.length; chunkSize && canVisit; nextPollIndex(), canVisit--) {
            var watchedFile = queue[pollIndex];
            if (!watchedFile) {
                continue;
            }
            else if (watchedFile.isClosed) {
                queue[pollIndex] = undefined;
                continue;
            }
            // Only files polled count towards chunkSize
            chunkSize--;
            var fileChanged = onWatchedFileStat(watchedFile, getModifiedTime(host, watchedFile.fileName));
            if (watchedFile.isClosed) {
                // Closed watcher as part of callback
                queue[pollIndex] = undefined;
                continue;
            }
            callbackOnWatchFileStat === null || callbackOnWatchFileStat === void 0 ? void 0 : callbackOnWatchFileStat(watchedFile, pollIndex, fileChanged);
            // Defragment the queue while we are at it
            if (queue[pollIndex]) {
                // Copy this file to the non hole location
                if (definedValueCopyToIndex < pollIndex) {
                    queue[definedValueCopyToIndex] = watchedFile;
                    queue[pollIndex] = undefined;
                }
                definedValueCopyToIndex++;
            }
        }
        // Return next poll index
        return pollIndex;
        function nextPollIndex() {
            pollIndex++;
            if (pollIndex === queue.length) {
                if (definedValueCopyToIndex < pollIndex) {
                    // There are holes from definedValueCopyToIndex to end of queue, change queue size
                    queue.length = definedValueCopyToIndex;
                }
                pollIndex = 0;
                definedValueCopyToIndex = 0;
            }
        }
    }
    /* @internal */
    function createDynamicPriorityPollingWatchFile(host) {
        var watchedFiles = [];