All files DictionaryIterator.ts

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import {Iterator} from './Iterator';
 
export interface IDictionary {
    [key: string]: any;
}
 
export interface IDictionaryIteratorResult {
    key: string;
    value: any;
}
 
export class DictionaryIterator extends Iterator<string> {
    private dictionary: IDictionary;
 
    public constructor(dictionary: IDictionary, startingIndex?: number) {
        super(Object.keys(dictionary));
        this.dictionary = dictionary;
    }
 
    public next(): any {
        let key: any = super.next();
        return {
            key : key,
            value : this.dictionary[key]
        };
    }
 
    public previous(): any {
        let key: any = super.previous();
        return {
            key : key,
            value : this.dictionary[key]
        };
    }
}