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| 1 | +# React permission gate |
| 2 | +inspired by https://isamatov.com/react-permissions-and-roles/ |
| 3 | + |
| 4 | +Easily render or hide pieces of UI relative to the user's access role. |
| 5 | + |
| 6 | +### Supports Typescript and Flow type |
| 7 | + |
| 8 | + |
| 9 | +### Example |
| 10 | +full example [here](example) |
| 11 | +```javascript |
| 12 | +import { FeatureGateProvider } from 'feature-gate'; |
| 13 | + |
| 14 | +// define or get from api features and freeze them |
| 15 | +const features = Object.freeze({ |
| 16 | + feature1: 'true', |
| 17 | + ABtest: 'A', |
| 18 | +}); |
| 19 | + |
| 20 | +function MyApp() { |
| 21 | + const featureFlags = {}; // get from user api |
| 22 | + |
| 23 | + return ( |
| 24 | + <FeatureGateProvider featureFlags={featureFlags} features={features}> |
| 25 | + <App /> |
| 26 | + </FeatureGateProvider> |
| 27 | + ) |
| 28 | +} |
| 29 | +``` |
| 30 | +then anywhere in the app use names of features defined in the features map |
| 31 | + |
| 32 | +```javascript |
| 33 | +import { FeatureGate } from 'feature-gate'; |
| 34 | + |
| 35 | +<FeatureGate name="feature1"> |
| 36 | + <div>Component available for authorized user</div> |
| 37 | +</FeatureGate> |
| 38 | + |
| 39 | +``` |
| 40 | +```javascript |
| 41 | +import { FeatureSwitch } from 'feature-gate'; |
| 42 | + |
| 43 | +<FeatureSwitch name="ABtest" fallback={<div>B test</div>}> |
| 44 | + <div>A test</div> |
| 45 | +</FeatureSwitch> |
| 46 | + |
| 47 | +``` |
| 48 | +or use hook |
| 49 | +```javascript |
| 50 | +import { useFeature } from 'feature-gate'; |
| 51 | +... |
| 52 | + |
| 53 | +const { enabled: showFeature1 } = useFeature('feature1'); |
| 54 | +// feature status for the current user |
| 55 | +... |
| 56 | +{showFeature1 && <div>Component available for authorized user</div>} |
| 57 | +``` |
| 58 | +### Advanced usage |
| 59 | +A validator function can be provided |
| 60 | +```javascript |
| 61 | +import { FeatureGateProvider } from 'feature-gate'; |
| 62 | +... |
| 63 | + |
| 64 | +// define or get from api rules and freeze them |
| 65 | +const features = Object.freeze({ |
| 66 | + feature1: 'true', |
| 67 | + ABtest: 'A', |
| 68 | +}); |
| 69 | + |
| 70 | +function validator({ featureFlags, features, name }) { |
| 71 | + // default validator implementation |
| 72 | + const feature = featureFlags[name]; |
| 73 | + if (!feature) return false; |
| 74 | + |
| 75 | + return features[name] === feature; |
| 76 | +} |
| 77 | + |
| 78 | +function MyApp() { |
| 79 | + const featureFlags = {}; // get from user api |
| 80 | + |
| 81 | + return ( |
| 82 | + <FeatureGateProvider featureFlags={featureFlags} features={features} validator={validator}> |
| 83 | + <App /> |
| 84 | + </FeatureGateProvider> |
| 85 | + ) |
| 86 | +} |
| 87 | +``` |
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