Created
October 16, 2020 18:40
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Works like useState but for Class Components using this.setState
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| function useThisState(key, component, initialState) { | |
| let set = (val) => component.setState({[key]: val}), | |
| initial = !(key in component.state) | |
| if (initial) { | |
| set(initialState) | |
| } | |
| let retVal = initial ? initialState : component.state[key] | |
| return [retVal, set] | |
| } | |
| // e.g. (from within a react class component) | |
| // let [open, setOpen] = useThisState('open', this, false) |
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