@vue-pdf-viewer/viewer
Version:
A vue-pdf-viewer component for Vue and Nuxt. Suitable for vue-pdf document.
56 lines (55 loc) • 1.39 kB
TypeScript
interface Command extends CommandHistory {
mustExec: boolean;
overwriteIfSameType?: boolean;
keepUndo?: boolean;
}
interface CommandHistory {
cmd: Function;
undo: Function;
post: Function;
type: number;
}
export declare class HistoryManager {
commandHistory: CommandHistory[] | null;
locked: boolean;
maxSize: number;
position: number;
constructor(maxSize?: number);
/**
* @typedef {Object} addOptions
* @property {function} cmd
* @property {function} undo
* @property {function} [post]
* @property {boolean} mustExec
* @property {number} type
* @property {boolean} overwriteIfSameType
* @property {boolean} keepUndo
*/
/**
* Add a new couple of commands to be used in case of redo/undo.
* @param {addOptions} options
*/
add({ cmd, undo, post, mustExec, type, overwriteIfSameType, keepUndo }: Command): void;
/**
* Undo the last command.
*/
undo(): void;
/**
* Redo the last command.
*/
redo(): void;
/**
* Check if there is something to undo.
* @returns {boolean}
*/
hasSomethingToUndo(): boolean;
/**
* Check if there is something to redo.
* @returns {boolean}
*/
hasSomethingToRedo(): boolean;
cleanType(type: number): void;
destroy(): void;
reset(): void;
}
export {};