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https://issues.apache.org/jira/browse/WEEX-54?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hanks Zhang resolved WEEX-54.
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Resolution: Resolved
> [proposal] Support to detect the feature compatibility of weex
> --------------------------------------------------------------
>
> Key: WEEX-54
> URL: https://issues.apache.org/jira/browse/WEEX-54
> Project: Weex
> Issue Type: New Feature
> Components: JSFM
> Affects Versions: 0.15
> Reporter: Hanks Zhang
> Assignee: Hanks Zhang
> Priority: Minor
> Labels: features
>
> h2. Background
> Because Weex support to extend components and modules, so the host
> environment will be very different. Weex needs a mechanism to detect whether
> a feature is supported in the current environment.
> h2. API Design
> {code:javascript}
> weex.supports(condition : String) : Boolean | Null
> {code}
> * param: a formatted string. @TYPE/NAME
> * return value: supported -> true | unsupported -> false | unclear -> null
> h2. Usage
> {code:javascript}
> // Detects whether the embed component is supported
> weex.supports('@component/embed')
> // Detects whether the picker module is supported
> weex.supports('@module/picker')
> // Detects whether the dom.getComponentRect method is supported
> weex.supports('@module/dom.getComponentRect')
> {code}
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