19 lines
346 B
JavaScript
19 lines
346 B
JavaScript
'use strict'
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module.exports = function asBool (value) {
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const val = value.toLowerCase()
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const allowedValues = [
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'false',
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'0',
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'true',
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'1'
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]
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if (allowedValues.indexOf(val) === -1) {
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throw new Error('should be either "true", "false", "TRUE", "FALSE", 1, or 0')
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}
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return !(((val === '0') || (val === 'false')))
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}
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