Created
April 6, 2019 16:29
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| let data = null; | |
| function get(cb) { | |
| if (data) { | |
| cb(data); | |
| } else { | |
| callbacks.push(cb); | |
| } | |
| if (callbacks.length === 1) { | |
| ... | |
| data = response; | |
| callbacks.forEach(cb => cb(data)); | |
| } | |
| } |
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