55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
/**
|
||
* A decorator that must be applied to every model definition to workaround
|
||
* babel <> typescript incompatibility. See the following issue:
|
||
* https://github.com/RobinBuschmann/sequelize-typescript/issues/612#issuecomment-491890977
|
||
*
|
||
* @param target model class
|
||
*/
|
||
|
||
export default function Fix(target: any): void {
|
||
return class extends target {
|
||
constructor(...args: any[]) {
|
||
// suppresses warning from here which is not applicable in our typescript
|
||
// environment: https://github.com/sequelize/sequelize/blob/00ced18c2cb2a8b99ae0ebf5669c124abb4c673d/src/model.js#L99
|
||
target._overwrittenAttributesChecked = true;
|
||
|
||
super(...args);
|
||
|
||
const rawAttributes = Object.keys(new.target.rawAttributes);
|
||
const associations = Object.keys(new.target.associations);
|
||
|
||
rawAttributes.forEach((propertyKey) => {
|
||
// check if we already defined getter/setter – if so, do not override
|
||
const desc = Object.getOwnPropertyDescriptor(
|
||
target.prototype,
|
||
propertyKey
|
||
);
|
||
if (desc) {
|
||
return;
|
||
}
|
||
|
||
Object.defineProperty(this, propertyKey, {
|
||
get() {
|
||
return this.getDataValue(propertyKey);
|
||
},
|
||
set(value) {
|
||
this.setDataValue(propertyKey, value);
|
||
},
|
||
});
|
||
});
|
||
|
||
associations.forEach((propertyKey) => {
|
||
Object.defineProperty(this, propertyKey, {
|
||
get() {
|
||
return this.dataValues[propertyKey];
|
||
},
|
||
set(value) {
|
||
// sets without changing the "changed" flag for associations
|
||
this.dataValues[propertyKey] = value;
|
||
},
|
||
});
|
||
});
|
||
}
|
||
} as any;
|
||
}
|