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javascript-code
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object-oriented
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Interfaces
/
3 - Emulating interfaces with duck typing.js
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master
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javascript-code
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object-oriented
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Interfaces
/
3 - Emulating interfaces with duck typing.js
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// Interfaces.
var
Composite
=
new
Interface
(
'Composite'
,
[
'add'
,
'remove'
,
'getChild'
]
)
;
var
FormItem
=
new
Interface
(
'FormItem'
,
[
'save'
]
)
;
// CompositeForm class
var
CompositeForm
=
function
(
id
,
method
,
action
)
{
//todo
}
;
//todo
function
addForm
(
formInstance
)
{
ensureImplements
(
formInstance
,
Composite
,
FormItem
)
;
// This function will throw an error if a required method is not implemented.
//todo
}
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