Function replace

packages/mobx/src/types/observablearray.ts:426–429

(newItems: any[])

    },

    replace(newItems: any[]) {
        const adm: ObservableArrayAdministration = this[$mobx]
        return adm.spliceWithArray_(0, adm.values_.length, newItems)
    },

    // Used by JSON.stringify
    toJSON(): any[] {