immutable#Stack TypeScript Examples

The following examples show how to use immutable#Stack. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: index.tsx    From querybook with Apache License 2.0 6 votes vote down vote up 
export function isContentStateInUndoStack(
    contentState: DraftJs.ContentState,
    undoStack: Stack<DraftJs.ContentState>,
    numToCheck: number = -1 // Max number of elements to check, -1 for unlimited
): boolean {
    let found = false;
    let numChecked = 0;
    undoStack.forEach((undoContentState) => {
        if (undoContentState === contentState) {
            found = true;
            // breaks the loop
            return false;
        }

        numChecked++;
        if (numChecked === numToCheck) {
            return false;
        }
    });
    return found;
}