ngx-bootstrap/chronos/utils/type-checks.js

Native Angular Bootstrap Components

import { absFloor } from '../utils';
export function isString(str) {
    return typeof str === 'string';
}
export function isDate(value) {
    return value instanceof Date || Object.prototype.toString.call(value) === '[object Date]';
}
export function isBoolean(value) {
    return value === true || value === false;
}
export function isDateValid(date) {
    return date && date.getTime && !isNaN(date.getTime());
}
export function isFunction(fn) {
    return (fn instanceof Function ||
        Object.prototype.toString.call(fn) === '[object Function]');
}
export function isNumber(value) {
    return typeof value === 'number' || Object.prototype.toString.call(value) === '[object Number]';
}
export function isArray(input) {
    return (input instanceof Array ||
        Object.prototype.toString.call(input) === '[object Array]');
}
export function hasOwnProp(a /*object*/, b) {
    return Object.prototype.hasOwnProperty.call(a, b);
}
export function isObject(input /*object*/) {
    // IE8 will treat undefined and null as object if it wasn't for
    // input != null
    return (input != null && Object.prototype.toString.call(input) === '[object Object]');
}
export function isObjectEmpty(obj) {
    if (Object.getOwnPropertyNames) {
        return (Object.getOwnPropertyNames(obj).length === 0);
    }
    var k;
    for (k in obj) {
        if (obj.hasOwnProperty(k)) {
            return false;
        }
    }
    return true;
}
export function isUndefined(input) {
    return input === void 0;
}
export function toInt(argumentForCoercion) {
    var coercedNumber = +argumentForCoercion;
    var value = 0;
    if (coercedNumber !== 0 && isFinite(coercedNumber)) {
        value = absFloor(coercedNumber);
    }
    return value;
}
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