How to use is-what - 10 common examples

}
                var fRequest = state._sync.fetched[identifier];
                // We're already done fetching everything:
                if (fRequest.done) {
                    if (state._conf.logging)
                        console.log('[vuex-easy-firestore] done fetching');
                    return resolve({ done: true });
                }
                // attach fetch filters
                var fRef = state._sync.fetched[identifier].ref;
                if (fRequest.nextFetchRef) {
                    // get next ref if saved in state
                    fRef = state._sync.fetched[identifier].nextFetchRef;
                }
                // add doc limit
                var limit = (isWhat.isNumber(pathVariables.limit))
                    ? pathVariables.limit
                    : state._conf.fetch.docLimit;
                if (limit > 0)
                    fRef = fRef.limit(limit);
                // Stop if all records already fetched
                if (fRequest.retrievedFetchRefs.includes(fRef)) {
                    console.log('[vuex-easy-firestore] Already retrieved this part.');
                    return resolve();
                }
                // make fetch request
                fRef.get().then(function (querySnapshot) {
                    var docs = querySnapshot.docs;
                    if (docs.length === 0) {
                        state._sync.fetched[identifier].done = true;
                        querySnapshot.done = true;
                        return resolve(querySnapshot);

switch (change) {
                    case 'added':
                        commit('INSERT_DOC', _doc);
                        break;
                    case 'removed':
                        commit('DELETE_DOC', id);
                        break;
                    default:
                        dispatch('deleteMissingProps', _doc);
                        commit('PATCH_DOC', _doc);
                        break;
                }
            }
            // get user set sync hook function
            var syncHookFn = state._conf.serverChange[change + 'Hook'];
            if (isWhat.isFunction(syncHookFn)) {
                syncHookFn(storeUpdateFn, doc, id, store, 'server', change);
            }
            else {
                storeUpdateFn(doc);
            }
        },
        deleteMissingProps: function (_a, doc) {

return defaultSetter(MODULE_PROP_SUBPROP + '.splice', payload, store, conf);
                };
            }
            // =================================================>
            //   WILDCARDS SETTER
            // =================================================>
            // if (isObject(propValue) && !Object.keys(propValue).length) {
            //   carry[PROP_SUBPROP + '.*'] = (context, payload) => {
            //     return defaultSetter(MODULE_PROP_SUBPROP + '.*', payload, store, conf)
            //   }
            // }
            // =================================================>
            //   CHILDREN SETTERS
            // =================================================>
            // let's do it's children as well!
            if (isWhat.isObject(propValue) && Object.keys(propValue).length) {
                var childrenSetters = getSetters(propValue, PROP_SUBPROP);
                Object.assign(carry, childrenSetters);
            }
            return carry;
        }, {});
    }

return params.map(function (param) {
        if (isWhat.isAnyObject(param) && !isWhat.isPlainObject(param)) {
            // @ts-ignore
            return String(param.constructor.name) + String(param.id);
        }
        return String(param);
    }).join();
}

function convertTimestamps(originVal, targetVal) {
    if (originVal === '%convertTimestamp%') {
        // firestore timestamps
        // @ts-ignore
        if (isWhat.isAnyObject(targetVal) && !isWhat.isPlainObject(targetVal) && isWhat.isFunction(targetVal.toDate)) {
            // @ts-ignore
            return targetVal.toDate();
        }
        // strings
        if (isWhat.isString(targetVal) && isWhat.isDate(new Date(targetVal))) {
            return new Date(targetVal);
        }
    }
    return targetVal;
}
/**

function isArrayHelper(value) {
    // this is bugged in vuex actions, I DONT KNOW WHY
    // return (
    //   value instanceof ArrayUnion ||
    //   value instanceof ArrayRemove
    // )
    return (isWhat.isAnyObject(value) &&
        !isWhat.isPlainObject(value) &&
        // @ts-ignore
        value.isArrayHelper === true);
}

function convertTimestamps(originVal, targetVal) {
    if (originVal === '%convertTimestamp%') {
        // firestore timestamps
        // @ts-ignore
        if (isWhat.isAnyObject(targetVal) && !isWhat.isObject(targetVal) && isWhat.isFunction(targetVal.toDate)) {
            // @ts-ignore
            return targetVal.toDate();
        }
        // strings
        if (isWhat.isString(targetVal) && isWhat.isDate(new Date(targetVal))) {
            return new Date(targetVal);
        }
    }
    return targetVal;
}
/**

function isIncrementHelper(payload) {
    // return payload instanceof Increment
    return (isWhat.isAnyObject(payload) &&
        !isWhat.isPlainObject(payload) &&
        // @ts-ignore
        payload.isIncrementHelper === true);
}

function convertTimestamps(originVal, targetVal) {
    if (originVal === '%convertTimestamp%') {
        // firestore timestamps
        // @ts-ignore
        if (isWhat.isAnyObject(targetVal) && !isWhat.isPlainObject(targetVal) && isWhat.isFunction(targetVal.toDate)) {
            // @ts-ignore
            return targetVal.toDate();
        }
        // strings
        if (isWhat.isString(targetVal) && isWhat.isDate(new Date(targetVal))) {
            return new Date(targetVal);
        }
    }
    return targetVal;
}
/**

function isArrayHelper(value) {
    // this is bugged in vuex actions, I DONT KNOW WHY
    // return (
    //   value instanceof ArrayUnion ||
    //   value instanceof ArrayRemove
    // )
    return (isWhat.isAnyObject(value) &&
        !isWhat.isPlainObject(value) &&
        // @ts-ignore
        value.isArrayHelper === true);
}