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ant-design-vue/components/vc-util/set.ts

52 lines
1.3 KiB

import get from './get';
function internalSet<Entity = any, Output = Entity, Value = any>(
entity: Entity,
paths: (string | number)[],
value: Value,
removeIfUndefined: boolean,
): Output {
if (!paths.length) {
return value as unknown as Output;
}
const [path, ...restPath] = paths;
let clone: Output;
if (!entity && typeof path === 'number') {
clone = [] as unknown as Output;
} else if (Array.isArray(entity)) {
clone = [...entity] as unknown as Output;
} else {
clone = { ...entity } as unknown as Output;
}
// Delete prop if `removeIfUndefined` and value is undefined
if (removeIfUndefined && value === undefined && restPath.length === 1) {
delete clone[path][restPath[0]];
} else {
clone[path] = internalSet(clone[path], restPath, value, removeIfUndefined);
}
return clone;
}
export default function set<Entity = any, Output = Entity, Value = any>(
entity: Entity,
paths: (string | number)[],
value: Value,
removeIfUndefined = false,
): Output {
// Do nothing if `removeIfUndefined` and parent object not exist
if (
paths.length &&
removeIfUndefined &&
value === undefined &&
!get(entity, paths.slice(0, -1))
) {
return entity as unknown as Output;
}
return internalSet(entity, paths, value, removeIfUndefined);
}