import { concat } from "@bokehjs/core/util/array";
export const get = (obj, path, defaultValue = undefined) => {
    const travel = (regexp) => String.prototype.split
        .call(path, regexp)
        .filter(Boolean)
        .reduce((res, key) => (res !== null && res !== undefined ? res[key] : res), obj);
    const result = travel(/[,[\]]+?/) || travel(/[,[\].]+?/);
    return result === undefined || result === obj ? defaultValue : result;
};
export function throttle(func, timeFrame) {
    var lastTime = 0;
    return function () {
        var now = Number(new Date());
        if (now - lastTime >= timeFrame) {
            func();
            lastTime = now;
        }
    };
}
export function deepCopy(obj) {
    var copy;
    // Handle the 3 simple types, and null or undefined
    if (null == obj || "object" != typeof obj)
        return obj;
    // Handle Array
    if (obj instanceof Array) {
        copy = [];
        for (var i = 0, len = obj.length; i < len; i++) {
            copy[i] = deepCopy(obj[i]);
        }
        return copy;
    }
    // Handle Object
    if (obj instanceof Object) {
        const copy = {};
        for (const attr in obj) {
            const key = attr;
            if (obj.hasOwnProperty(key))
                copy[key] = deepCopy(obj[key]);
        }
        return copy;
    }
    throw new Error("Unable to copy obj! Its type isn't supported.");
}
export function isPlainObject(obj) {
    return Object.prototype.toString.call(obj) === '[object Object]';
}
export function reshape(arr, dim) {
    let elemIndex = 0;
    if (!dim || !arr)
        return [];
    function _nest(dimIndex) {
        let result = [];
        if (dimIndex === dim.length - 1) {
            result = concat(arr.slice(elemIndex, elemIndex + dim[dimIndex]));
            elemIndex += dim[dimIndex];
        }
        else {
            for (let i = 0; i < dim[dimIndex]; i++) {
                result.push(_nest(dimIndex + 1));
            }
        }
        return result;
    }
    return _nest(0);
}
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