Function

expandProperties (pattern, callback) public

Module:	@ember/object

Defined in packages/@ember/-internals/metal/lib/expand_properties.ts:9

import { expandProperties } from '@ember/object/computed';

pattern

String

The property pattern to expand.

callback

Function

The callback to invoke. It is invoked once per expansion, and is passed the expansion.

Expands pattern, invoking callback for each expansion.

The only pattern supported is brace-expansion, anything else will be passed once to callback directly.

Example

import { expandProperties } from '@ember/object/computed';

function echo(arg){ console.log(arg); }

expandProperties('foo.bar', echo);              //=> 'foo.bar'
expandProperties('{foo,bar}', echo);            //=> 'foo', 'bar'
expandProperties('foo.{bar,baz}', echo);        //=> 'foo.bar', 'foo.baz'
expandProperties('{foo,bar}.baz', echo);        //=> 'foo.baz', 'bar.baz'
expandProperties('foo.{bar,baz}.[]', echo)      //=> 'foo.bar.[]', 'foo.baz.[]'
expandProperties('{foo,bar}.{spam,eggs}', echo) //=> 'foo.spam', 'foo.eggs', 'bar.spam', 'bar.eggs'
expandProperties('{foo}.bar.{baz}')             //=> 'foo.bar.baz'