new Model(dataopt)
Base model implementation.
Represents domain-specific data or information that an application will be working with. A typical example is a user account (e.g name, avatar, e-mail) or a music track (e.g title, year, album). Holds information, but don’t handle behaviour and don’t format information or influence how data appears.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
data |
Object |
<optional> |
{} | init attributes |
Extends
- Emitter
Members
data :Object.<string, *>
Model attributes with given data or empty hash table.
Type:
- Object.<string, *>
Methods
clear() → {boolean}
Remove all attributes from the model.
Fires:
Returns:
operation status
- Type
- boolean
get(name) → {*}
Get the model attribute by name.
Parameters:
| Name | Type | Description |
|---|---|---|
name |
string | attribute |
Returns:
associated value
- Type
- *
has(name) → {boolean}
Check an attribute existence.
Parameters:
| Name | Type | Description |
|---|---|---|
name |
string | attribute |
Returns:
attribute exists or not
- Type
- boolean
init(data) → {boolean}
Clear and set model data.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
Object | attributes |
Fires:
Returns:
operation status
- Type
- boolean
set(name, value) → {boolean}
Update or create a model attribute.
Parameters:
| Name | Type | Description |
|---|---|---|
name |
string | attribute |
value |
* | associated value |
Fires:
Returns:
operation status (true - attribute value was changed/created)
- Type
- boolean
unset(name) → {boolean}
Delete the given attribute by name.
Parameters:
| Name | Type | Description |
|---|---|---|
name |
string | attribute |
Fires:
Returns:
operation status (true - attribute was deleted)
- Type
- boolean
Events
change
Update or create a model attribute event.
Type:
- Object
Properties:
| Name | Type | Attributes | Description |
|---|---|---|---|
name |
string | attribute name |
|
prev |
* |
<optional> |
old/previous attribute value (can be absent on attribute creation) |
curr |
* |
<optional> |
new/current attribute value (can be absent on attribute removal) |
clear
Remove all attributes from the model event.
Type:
- Object
Properties:
| Name | Type | Description |
|---|---|---|
data |
Object | old model attributes |
init
Set model data event.
Type:
- Object
Properties:
| Name | Type | Description |
|---|---|---|
data |
Object | new model attributes |