declarations/javascript-astar/javascript-astar.d.ts

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// Type definitions for javascript-astar
// Project: https://github.com/bgrins/javascript-astar
// Definitions by: brian ridley <https://github.com/ptlis/>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

declare class Graph {
    grid: Array<Array<GridNode>>;
    constructor(grid: Array<Array<number>>, options?: {diagonal?: boolean});
}

declare class GridNode {
    x: number;
    y: number;
}

interface Heuristic {
    (pos0: {x: number, y: number}, pos1: {x: number, y: number}): number;
}

interface Heuristics {
    manhatten: Heuristic;
    diagonal: Heuristic;
}

declare namespace astar {
    function search(
        graph: Graph,
        start: {x: number, y: number},
        end: {x: number, y: number},
        options?: {
            closest?: boolean,
            heuristic?: Heuristic
        }
    ): Array<GridNode>;
    var heuristics: Heuristics;
}