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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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Alex A. Naanou 2020-05-07 21:35:48 +03:00
parent a341443b07
commit df90a282fe
1 changed files with 14 additions and 6 deletions
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@ -281,22 +281,30 @@ var utilityMixin = {
var Base = object.Constructor('Base') var Base = object.Constructor('Base')
// normal instance prototype chain:
// b -> Base.prototype -> ..
//
var b = Base()
// mixin directly into the instance... // mixin directly into the instance...
var m = object.mixin(Base(), utilityMixin) //
// now the prototype chain looks like this:
// b -> mixinFlat({}, utilityMixin) -> Base.prototype -> ..
//
object.mixin(b, utilityMixin)
``` ```
`.mixin(..)` will copy the contents of `utilityMixin` into the prototype `.mixin(..)` will copy the contents of `utilityMixin` into the prototype
chain between `m` and `m.__proto__`. chain between `b` and `b.__proto__`.
We can also remove the mixin... We can also remove the mixin...
```javascript ```javascript
m = o.mixout(m, utilityMixin) o.mixout(b, utilityMixin)
``` ```
The mixed-in data is removed iff an object is found in the chain with the The mixed-in data is removed iff a [matching](#match) object is found in
same attributes as `utilityMixin` and with each attribute matching the chain with the same attributes as `utilityMixin` and with each
identity with the corresponding attribute in the mixin. attribute matching identity with the corresponding attribute in the mixin.
Constructor-based mixin... Constructor-based mixin...