docs(checkbox and checkbox-group): add events

[hu0950]

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[codecov-io]

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@@          Coverage Diff           @@
##             dev     #468   +/-   ##
======================================
  Coverage       ?   92.84%           
======================================
  Files          ?      139           
  Lines          ?     3017           
  Branches       ?      491           
======================================
  Hits           ?     2801           
  Misses         ?      109           
  Partials       ?      107

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[TravisBuddy]

Travis tests have failed

Hey @hu0950,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 6

View build log

npm test

> cube-ui@1.12.18 test /home/travis/build/didi/cube-ui
> npm run unit && npm run codecov


> cube-ui@1.12.18 unit /home/travis/build/didi/cube-ui
> cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run

(node:5336) DeprecationWarning: loaderUtils.parseQuery() received a non-string value which can be problematic, see https://github.com/webpack/loader-utils/issues/56
parseQuery() will be replaced with getOptions() in the next major version of loader-utils.
26 04 2019 05:50:31.797:INFO [karma]: Karma v1.7.1 server started at http://0.0.0.0:9876/
26 04 2019 05:50:31.799:INFO [launcher]: Launching browser PhantomJS_mobile with unlimited concurrency
26 04 2019 05:50:31.851:INFO [launcher]: Starting browser PhantomJS
26 04 2019 05:50:32.677:INFO [PhantomJS 2.1.1 (Linux 0.0.0)]: Connected on socket 5OLQBgUlLthTX6B4AAAA with id 45545549
PhantomJS 2.1.1 (Linux 0.0.0) INFO LOG: 'You are running Vue in development mode.
Make sure to turn on production mode when deploying for production.
See more tips at https://vuejs.org/guide/deployment.html'

  ActionSheet
    ActionSheet.vue
      ✓ use
      ✓ should render correct contents
      ✓ should render correct contents - no data
      ✓ should render correct contents - picker style
      ✓ should trigger events
    ActionSheet API
      ✓ $createActionSheet API

  Button.vue
    ✓ use
    ✓ should render correct contents
    ✓ props
    ✓ events-called
    ✓ events-no-called

  CascadePicker
    ✓ use
    ✓ should render correct contents
    ✓ should render correct contents when use alias
    ✓ should trigger events
    ✓ should call methods
    ✓ should support async cascade
    ✓ $updateProps
    ✓ should add warn log when single is true

  CheckboxGroup.vue
    ✓ use
    ✓ should render correct contents (horizontal=false)
    ✓ should render correct contents (horizontal=true)
    ✓ should change v-model value
    ✓ should work correctly - min & max

  Checkbox.vue
    ✓ use
    ✓ should render correct contents
    ✓ should toggle v-model value

  Checker.vue
    ✓ use
    ✓ should render radio contents
    ✓ should render radio contents
    ✓ should render checkbox contents

  DatePicker
    ✓ use
    ✓ should render correct contents
    ✓ should render correct contents when configured startColumn and columnCount
    ✓ should render correct contents when configured format
    ✓ should render correct contents when configured columnOrder
    ✓ should trigger events
    ✓ should call methods
    ✓ should add warn log when single is true
    ✓ $updateProps: {"value":"2012-10-01T00:00:00.000Z"}
    ✓ $updateProps: {"min":"2012-04-05T00:00:00.000Z"}
    ✓ $updateProps: {"min":"2010-04-05T00:00:00.000Z"}
    ✓ $updateProps: {"max":"2025-10-20T00:00:00.000Z"}

  Dialog
    Dialog.vue
      ✓ use
      ✓ should render correct contents - icon
      ✓ should render correct contents - title
      ✓ should render correct contents - alert
      ✓ should render correct contents - confirm
      ✓ should render correct contents - prompt
      ✓ should render correct contents - confirmBtn/cancelBtn
      ✓ should trigger events
      ✓ should not trigger events when btn is disabled
    Dialog API
      ✓ $createDialog API

  Drawer
    ✓ use
    ✓ should render correct contents
    ✓ should trigger events

  Form.vue
    ✓ use
    ✓ should render correct contents
    ✓ should validate & reset correctly
    ✓ should validate & reset correctly - async validate
    ✓ should validate correctly - trigger blur
    ✓ should validate correctly - debounce
    ✓ should trigger events

  ImagePreview
    ImagePreview.vue
      ✓ use
      ✓ should render correct contents
      ✓ should trigger events
nothing changed, not updating cache


Done. Your build exited with 1.

TravisBuddy Request Identifier: 45ca1a50-67e7-11e9-9ccb-85565a33c18e

[TravisBuddy]

Travis tests have failed

Hey @hu0950,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

Node.js: 6

View build log

npm test

> cube-ui@1.12.18 test /home/travis/build/didi/cube-ui
> npm run unit && npm run codecov


> cube-ui@1.12.18 unit /home/travis/build/didi/cube-ui
> cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run

(node:5272) DeprecationWarning: loaderUtils.parseQuery() received a non-string value which can be problematic, see https://github.com/webpack/loader-utils/issues/56
parseQuery() will be replaced with getOptions() in the next major version of loader-utils.
26 04 2019 08:12:20.305:INFO [karma]: Karma v1.7.1 server started at http://0.0.0.0:9876/
26 04 2019 08:12:20.307:INFO [launcher]: Launching browser PhantomJS_mobile with unlimited concurrency
26 04 2019 08:12:20.338:INFO [launcher]: Starting browser PhantomJS
26 04 2019 08:12:21.206:INFO [PhantomJS 2.1.1 (Linux 0.0.0)]: Connected on socket t7dlnpn4q8ItI2fFAAAA with id 52432550
PhantomJS 2.1.1 (Linux 0.0.0) INFO LOG: 'You are running Vue in development mode.
Make sure to turn on production mode when deploying for production.
See more tips at https://vuejs.org/guide/deployment.html'

  ActionSheet
    ActionSheet.vue
      ✓ use
      ✓ should render correct contents
      ✓ should render correct contents - no data
      ✓ should render correct contents - picker style
      ✓ should trigger events
    ActionSheet API
      ✓ $createActionSheet API

  Button.vue
    ✓ use
    ✓ should render correct contents
    ✓ props
    ✓ events-called
    ✓ events-no-called

  CascadePicker
    ✓ use
    ✓ should render correct contents
    ✓ should render correct contents when use alias
    ✓ should trigger events
    ✓ should call methods
    ✓ should support async cascade
    ✓ $updateProps
    ✓ should add warn log when single is true

  CheckboxGroup.vue
    ✓ use
    ✓ should render correct contents (horizontal=false)
    ✓ should render correct contents (horizontal=true)
    ✓ should change v-model value
    ✓ should work correctly - min & max

  Checkbox.vue
    ✓ use
    ✓ should render correct contents
    ✓ should toggle v-model value

  Checker.vue
    ✓ use
    ✓ should render radio contents
    ✓ should render radio contents
    ✓ should render checkbox contents

  DatePicker
    ✓ use
    ✓ should render correct contents
    ✓ should render correct contents when configured startColumn and columnCount
    ✓ should render correct contents when configured format
    ✓ should render correct contents when configured columnOrder
    ✓ should trigger events
    ✓ should call methods
    ✓ should add warn log when single is true
    ✓ $updateProps: {"value":"2012-10-01T00:00:00.000Z"}
    ✓ $updateProps: {"min":"2012-04-05T00:00:00.000Z"}
    ✓ $updateProps: {"min":"2010-04-05T00:00:00.000Z"}
    ✓ $updateProps: {"max":"2025-10-20T00:00:00.000Z"}

  Dialog
    Dialog.vue
      ✓ use
      ✓ should render correct contents - icon
      ✓ should render correct contents - title
      ✓ should render correct contents - alert
      ✓ should render correct contents - confirm
      ✓ should render correct contents - prompt
      ✓ should render correct contents - confirmBtn/cancelBtn
      ✓ should trigger events
      ✓ should not trigger events when btn is disabled
    Dialog API
      ✓ $createDialog API

  Drawer
    ✓ use
    ✓ should render correct contents
    ✓ should trigger events

  Form.vue
    ✓ use
    ✓ should render correct contents
    ✓ should validate & reset correctly
    ✓ should validate & reset correctly - async validate
    ✓ should validate correctly - trigger blur
    ✓ should validate correctly - debounce
    ✓ should trigger events

  ImagePreview
    ImagePreview.vue
      ✓ use
      ✓ should render correct contents
      ✓ should trigger events
26 04 2019 08:12:46.411:WARN [PhantomJS 2.1.1 (Linux 0.0.0)]: Disconnected (1 times), because no message in 10000 ms.
PhantomJS 2.1.1 (Linux 0.0.0) ERROR
  Disconnected, because no message in 10000 ms.

PhantomJS 2.1.1 (Linux 0.0.0): Executed 66 of 292 DISCONNECTED (24.665 secs / 14.644 secs)


=============================== Coverage summary ===============================
Statements   : 100% ( 0/0 )
Branches     : 100% ( 0/0 )
Functions    : 100% ( 0/0 )
Lines        : 100% ( 0/0 )
================================================================================

npm ERR! Linux 4.4.0-101-generic
npm ERR! argv "/home/travis/.nvm/versions/node/v6.17.1/bin/node" "/home/travis/.nvm/versions/node/v6.17.1/bin/npm" "run" "unit"
npm ERR! node v6.17.1
npm ERR! npm  v3.10.10
npm ERR! code ELIFECYCLE
npm ERR! cube-ui@1.12.18 unit: `cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the cube-ui@1.12.18 unit script 'cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the cube-ui package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     cross-env BABEL_ENV=test karma start test/unit/karma.conf.js --single-run
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs cube-ui
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls cube-ui
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /home/travis/build/didi/cube-ui/npm-debug.log
npm ERR! Test failed.  See above for more details.

TravisBuddy Request Identifier: 15723810-67fb-11e9-9ccb-85565a33c18e