Created
August 8, 2018 20:02
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| // validateRequired :: [String] | String a -> a | ThrownError | |
| const validateRequired = propOrPath => R.cond([ | |
| [isString, R.compose(validateRequired, R.of)], | |
| [R.T, path => R.when( | |
| R.pathSatisfies(R.isNil, path), | |
| R.compose( | |
| fpThrow, | |
| R.always(`"${path}" is required and must be present`), | |
| ) | |
| )] | |
| ])(propOrPath) |
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