wix-style-react
Version:
wix-style-react
42 lines • 1.4 kB
JavaScript
/**
* Symbol for accessing driver methods which are internal
* (we don't want to expose them to WSR consumers)
*/
export const INTERNAL_DRIVER_SYMBOL = Symbol('internal-driver');
/**
* Merge driver 2 into driver 1
*
* It should take care of merging Internal methods into the target'shidden internal driver
* (which sits under the [INTERNAL_DRIVER] property). Currently not supported.
*/
export function mergeDrivers(target, source) {
// TODO: merge driver2's internal methods into driver1's internal methods.
// TODO: make this a reduce that accepts a list of drivers.
if (target[INTERNAL_DRIVER_SYMBOL]) {
throw new Error('mergeDrivers(): Merging into a driver with INTERNAL_DRIVER methods, is currently not supported yet.');
}
return {
...target,
...source,
};
}
/**
* Flatten driver by spreading all internal methods,
* and removing the INTERNAL_DRIVER property.
* Does not mutate the given driver.
*/
export function flattenInternalDriver(driver) {
if (driver[INTERNAL_DRIVER_SYMBOL]) {
const driverCopy = { ...driver };
const driverInternalMethods = driver[INTERNAL_DRIVER_SYMBOL];
delete driverCopy[INTERNAL_DRIVER_SYMBOL];
return {
...driverCopy,
...driverInternalMethods,
};
}
else {
return driver;
}
}
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