blast-graph-angular2/dist/esm2015/src/blast-helpers.js

 **with** 

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
 */
export class BlastHelpers {
    /**
     * @param {?} obj
     * @return {?}
     */
    static isPresent(obj) {
        return obj !== undefined && obj !== null;
    }
    /**
     * @param {?} obj
     * @return {?}
     */
    static isString(obj) {
        return typeof obj === 'string';
    }
    /**
     * @param {?} obj
     * @return {?}
     */
    static isArray(obj) {
        return Array.isArray(obj);
    }
    /**
     * @param {?} obj
     * @return {?}
     */
    static isFunction(obj) {
        return typeof obj === 'function';
    }
    /**
     * @param {?} obj
     * @return {?}
     */
    static isJson(obj) {
        try {
            JSON.parse(obj);
            return true;
        }
        catch (exception) {
            return false;
        }
    }
}
;

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