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fix app crash because google is undefined in a PWA if the user is offline and cache is disabled. #956

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fix app crash because google is undefined in a PWA if the user is offline and cache is disabled. #956

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11 changes: 7 additions & 4 deletions src/withGoogleMap.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -49,12 +49,15 @@ export function withGoogleMap(BaseComponent) {
if (this.state.map || node === null) {
return
}
warning(
`undefined` !== typeof google,
`Make sure you've put a <script> tag in your <head> element to load Google Maps JavaScript API v3.
if (`undefined` === typeof google) {
warning(
`undefined` !== typeof google,
`Make sure you've put a <script> tag in your <head> element to load Google Maps JavaScript API v3.
If you're looking for built-in support to load it for you, use the "async/ScriptjsLoader" instead.
See https://github.com/tomchentw/react-google-maps/pull/168`
)
)
return
}
// https://developers.google.com/maps/documentation/javascript/3.exp/reference#Map
const map = new google.maps.Map(node)
this.setState({ map })
Expand Down