3.3.0

1. new component <polyline /> supported
2. new component <circle /> supported
3. new component <polygon /> supported
4. new component <heatmap /> supported
5. type = heatmap for <overlay /> is deprecated
6. add loaded event on <marker /> component

3.2.2

Fix issue, that map api wouldn't be loaded while running in ionic env

3.2.0

add heapmap overlay support

3.1.0

breaking change

move ak into configuration phase, since it's too annoying to set it along with each map instance

3.0.0

1. require angularjs ^1.6.1
2. use component style instead directive
3. more flexible apis

2.2.0

add https support for dynamically load map script. Thanks @fesor 's PR

2.1.0

1. add new callback on-map-loaded, in case you want to get map instance

2.0.1

1. totally refactor in ES2015 syntax
2. add offline friendly
3. enhance usage of baidu SDK import

1.2.1

According to skj9798's comments:

1. markers's watch take deep watch mode, in case angular has no idea about the change in markders
2. previous markers should be removed after changed