Function get

packages/mobx-react/src/observerClass.ts:258–269

()

        configurable: true,
        enumerable: true,
        get() {
            const admin = getAdministration(this)
            const derivation = _getGlobalState().trackingDerivation
            if (derivation && derivation !== admin.reaction) {
                throw new Error(
                    `[mobx-react] Cannot read "${admin.name}.${key}" in a reactive context, as it isn't observable.
                    Please use component lifecycle method to copy the value into a local observable first.
                    See https://github.com/mobxjs/mobx/blob/main/packages/mobx-react/README.md#note-on-using-props-and-state-in-derivations`
                )
            }
            return admin[key]
        },
        set(value) {
            getAdministration(this)[key] = value
        }