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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | 'use client' import { useFeatureFlag, useFeatureFlags } from '@/hooks/useFeatureFlag' import { css } from '../../../../styled-system/css' function SingleFlagDemo({ flagKey }: { flagKey: string }) { const { enabled, config, isLoading } = useFeatureFlag(flagKey) return ( <div data-element="single-flag-demo" className={css({ padding: '16px', backgroundColor: '#161b22', border: '1px solid #30363d', borderRadius: '8px', })} > <div className={css({ display: 'flex', alignItems: 'center', gap: '12px', marginBottom: '8px' })} > <code className={css({ color: '#58a6ff', fontSize: '14px' })}>{flagKey}</code> {isLoading ? ( <span className={css({ color: '#8b949e', fontSize: '13px' })}>loading...</span> ) : ( <span className={css({ fontSize: '12px', fontWeight: '600', padding: '2px 8px', borderRadius: '12px', color: enabled ? '#3fb950' : '#f85149', backgroundColor: enabled ? '#23863622' : '#da363322', border: '1px solid', borderColor: enabled ? '#23863644' : '#da363344', })} > {enabled ? 'ON' : 'OFF'} </span> )} </div> {config !== null && ( <pre className={css({ fontSize: '12px', color: '#8b949e', fontFamily: 'monospace', whiteSpace: 'pre-wrap', margin: '0', })} > config: {JSON.stringify(config, null, 2)} </pre> )} </div> ) } function BillingGateDemo() { const { enabled, config } = useFeatureFlag('billing.enabled') const { config: limits } = useFeatureFlag('billing.free_tier_limits') return ( <div data-element="billing-gate-demo" className={css({ padding: '20px', backgroundColor: '#161b22', border: '1px solid #30363d', borderRadius: '8px', })} > <h3 className={css({ fontSize: '16px', fontWeight: '600', marginBottom: '12px' })}> Billing gate demo </h3> <p className={css({ color: '#8b949e', fontSize: '14px', marginBottom: '16px' })}> This simulates how a component would conditionally render based on feature flags. </p> {enabled ? ( <div className={css({ padding: '16px', backgroundColor: '#23863622', border: '1px solid #23863644', borderRadius: '6px', color: '#3fb950', })} > Billing is enabled. Paywall and subscription UI would render here. {config !== null && ( <pre className={css({ fontSize: '12px', marginTop: '8px', color: '#8b949e', fontFamily: 'monospace', })} > billing config: {JSON.stringify(config, null, 2)} </pre> )} </div> ) : ( <div className={css({ padding: '16px', backgroundColor: '#30363d44', border: '1px solid #30363d', borderRadius: '6px', color: '#8b949e', })} > Billing is disabled. Showing free experience — no paywall, no upgrade prompts. {limits !== null && ( <pre className={css({ fontSize: '12px', marginTop: '8px', fontFamily: 'monospace' })}> free tier limits (inactive): {JSON.stringify(limits, null, 2)} </pre> )} </div> )} </div> ) } function AllFlagsDemo() { const { flags, isLoading } = useFeatureFlags() const entries = Object.entries(flags) return ( <div data-element="all-flags-demo" className={css({ padding: '20px', backgroundColor: '#161b22', border: '1px solid #30363d', borderRadius: '8px', })} > <h3 className={css({ fontSize: '16px', fontWeight: '600', marginBottom: '12px' })}> useFeatureFlags() — all flags </h3> {isLoading ? ( <span className={css({ color: '#8b949e' })}>Loading...</span> ) : entries.length === 0 ? ( <span className={css({ color: '#8b949e' })}>No flags defined.</span> ) : ( <pre className={css({ fontSize: '13px', fontFamily: 'monospace', color: '#e6edf3', whiteSpace: 'pre-wrap', margin: '0', })} > {JSON.stringify(flags, null, 2)} </pre> )} </div> ) } export default function FeatureFlagsDemoPage() { return ( <div data-component="feature-flags-demo" className={css({ minHeight: '100vh', backgroundColor: '#0d1117', color: '#e6edf3', padding: '40px 24px', })} > <div className={css({ maxWidth: '700px', margin: '0 auto' })}> <h1 className={css({ fontSize: '24px', fontWeight: '600', marginBottom: '8px' })}> Feature Flags Demo </h1> <p className={css({ color: '#8b949e', fontSize: '14px', marginBottom: '32px' })}> Flag values are prefetched server-side and hydrated — no client fetch, no loading flash. Toggle flags in{' '} <a href="/admin/feature-flags" className={css({ color: '#58a6ff' })}> /admin/feature-flags </a>{' '} and refresh to see changes. </p> <div className={css({ display: 'flex', flexDirection: 'column', gap: '16px' })}> <h2 className={css({ fontSize: '18px', fontWeight: '600' })}>useFeatureFlag(key)</h2> <SingleFlagDemo flagKey="billing.enabled" /> <SingleFlagDemo flagKey="billing.free_tier_limits" /> <SingleFlagDemo flagKey="nonexistent.flag" /> <h2 className={css({ fontSize: '18px', fontWeight: '600', marginTop: '16px' })}> Conditional rendering </h2> <BillingGateDemo /> <h2 className={css({ fontSize: '18px', fontWeight: '600', marginTop: '16px' })}> Bulk read </h2> <AllFlagsDemo /> </div> </div> </div> ) } |