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changelog.md

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0.0.82 (December 7, 2017)

Provider / withMediaQueries / MediaQueriesRenderProps

  • Fixed initial state context key, making it a function rather than object, allowing components mounting after first render to pull current media query match state before rendering.

0.0.81 (December 6, 2017)

MQLManager

  • Set queries and onChange default arg to null to fix argument validation.

0.0.8 (December 6, 2017)

General

  • Add a changelog.

Provider / withMediaQueries / MediaQueriesRenderProps

  • Provide initial match state to children of wMQ and MWRP.

    • Previously, the <Provider> component would not provide the initial match state of the user's queries (passed to the <Provider>). The wMQ and MQRP components only subscribe to updates in componentDidMount, as side-effects (and subscriptions) in the constructor should be avoided. This is problematic if the user wishes to, for example, dynamically route (possibly with redirects) depending on the device width, which may result in undesireable redirects on first render.
    • To remedy this, the <Provider> now sets a second child context key: mediaQueriesInitialState, which MQRP and wMQ will provide to child components initially.

  • Better namespacing of context keys to avoid collisions.

MQLManager

  • Add fourth named argument to MQLManager constructor fn:parentMounted which is a Boolean. If parentMounted is set to false, MQLManager will not attach a listener to its Media Query Lists until you call the addListeners() method, ideally from componentDidMount. Call removeListeners() from componentWillUnmount if the component hosting MQLManager unmounts.

  • Add addListeners and removeListeners methods as described above.

  • Added an internal method to construct a mock MQL returning true as the .matches property for all queries, when typeof window !== 'object' (ie server-side rendering).

Tests

  • Initial tests ensuring queries match state returns true when SSRing.

Documentation

  • Updates reflecting the above changes.
  • Info on getting initial state from MQLManager when not using Provider.
  • Added troubleshooting.