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34 lines
1.0 KiB
34 lines
1.0 KiB
// @flow |
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type TransformConfig = { |
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whitelist?: Array<string>, |
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blacklist?: Array<string>, |
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} |
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export default function createTransform( |
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// @NOTE inbound: transform state coming from redux on its way to being serialized and stored |
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inbound: ?Function, |
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// @NOTE outbound: transform state coming from storage, on its way to be rehydrated into redux |
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outbound: ?Function, |
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config: TransformConfig = {} |
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) { |
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let whitelist = config.whitelist || null |
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let blacklist = config.blacklist || null |
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function whitelistBlacklistCheck(key) { |
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if (whitelist && whitelist.indexOf(key) === -1) return true |
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if (blacklist && blacklist.indexOf(key) !== -1) return true |
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return false |
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} |
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return { |
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in: (state: Object, key: string, fullState: Object) => |
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!whitelistBlacklistCheck(key) && inbound |
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? inbound(state, key, fullState) |
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: state, |
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out: (state: Object, key: string, fullState: Object) => |
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!whitelistBlacklistCheck(key) && outbound |
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? outbound(state, key, fullState) |
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: state, |
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} |
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}
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