mirror of
https://github.com/danbulant/jose
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12 lines
431 B
JavaScript
12 lines
431 B
JavaScript
const isNotString = val => typeof val !== 'string' || val.length === 0
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module.exports.isNotString = isNotString
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module.exports.isString = function isString (Err, value, label, claim, required = false) {
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if (required && value === undefined) {
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throw new Err(`${label} is missing`, claim, 'missing')
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}
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if (value !== undefined && isNotString(value)) {
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throw new Err(`${label} must be a string`, claim, 'invalid')
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}
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}
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