26 lines
1.0 KiB
JavaScript
26 lines
1.0 KiB
JavaScript
let rTrue=['t','true','y','yes','on','positive','up','enabled','affirmative','yea','sure','online']
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let rFalse=['f','false','n','no','off','negative','down','disabled','nope','offline']
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function createBoolean (opts={}) {
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return (value => {
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if (opts.addTrue) rTrue = rTrue.concat(opts.addTrue)
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if (opts.addFalse) rFalse = rFalse.concat(opts.addFalse)
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if (value===undefined) return opts.undefined==='same' ? undefined : opts.undefined || false
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if (value===null) return opts.null==='same' ? null : opts.null || false
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if (!isNaN(Number(value))) return (opts.number==='default' ? !!value : (Number(value) > (opts.number || 0)? true : false))
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if (typeof value==='string') {
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value = value.trim()
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value = value.toLowerCase()
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if ((opts.rTrue || rTrue).includes(value)) return true
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if ((opts.rFalse || rFalse).includes(value)) return false
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return !!opts.string || false
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}
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return !!value
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})
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}
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const toBoolean = createBoolean()
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export default toBoolean
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export { toBoolean, createBoolean, rTrue, rFalse }
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