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import MixedSchema from './mixed'
import inherits from './util/inherits'
import isAbsent from './util/isAbsent'
let isNaN = value => value != +value
export default function NumberSchema(payload) {
if (!(this instanceof NumberSchema))
return typeof payload === 'function'
? payload(new NumberSchema())
: new NumberSchema()
MixedSchema.call(this, { type: 'number' })
this.withMutation(() => {
this.transform(function (value) {
let parsed = value
if (this._allowEmptyString && parsed === '') {
parsed = ''
} else {
if (typeof parsed === 'string') {
parsed = parsed.replace(/\s/g, '')
if (parsed === '') return NaN
// don't use parseFloat to avoid positives on alpha-numeric strings
parsed = +parsed
}
}
if (this.isType(parsed)) return parsed
return parseFloat(parsed)
})
})
}
inherits(NumberSchema, MixedSchema, {
_typeCheck(value) {
Iif (value instanceof Number) value = value.valueOf()
return typeof value === 'number' && !isNaN(value)
},
min(min, message = locale.min) {
return this.test({
message,
name: 'min',
exclusive: true,
params: { min },
test(value) {
return isAbsent(value) || value >= this.resolve(min)
},
})
},
max(max, message = locale.max) {
return this.test({
message,
name: 'max',
exclusive: true,
params: { max },
test(value) {
return isAbsent(value) || value <= this.resolve(max)
},
})
},
lessThan(less, message = locale.lessThan) {
return this.test({
message,
name: 'max',
exclusive: true,
params: { less },
test(value) {
return isAbsent(value) || value < this.resolve(less)
},
})
},
moreThan(more, message = locale.moreThan) {
return this.test({
message,
name: 'min',
exclusive: true,
params: { more },
test(value) {
return isAbsent(value) || value > this.resolve(more)
},
})
},
positive(msg = locale.positive) {
return this.moreThan(0, msg)
},
negative(msg = locale.negative) {
return this.lessThan(0, msg)
},
integer(message = locale.integer) {
return this.test({
name: 'integer',
message,
test: val => isAbsent(val) || Number.isInteger(val),
})
},
id(msg = locale.id) {
return this.positive(msg).integer(msg)
},
positiveInteger(msg = locale.positiveInteger) {
return this.positive(msg).integer(msg)
},
negativeInteger(msg = locale.negativeInteger) {
return this.negative(msg).integer(msg)
},
nonPositive(msg = locale.nonPositive) {
return this.test({
name: 'nonPositive',
message: msg,
exclusive: true,
test: val => isAbsent(val) || val <= 0,
})
},
nonNegative(msg = locale.nonNegative) {
return this.test({
name: 'nonNegative',
message: msg,
exclusive: true,
test: val => isAbsent(val) || val >= 0,
})
},
nonPositiveInteger(msg = locale.nonPositiveInteger) {
return this.test({
name: 'nonPositiveInteger',
message: msg,
exclusive: true,
test: val => isAbsent(val) || (Number.isInteger(val) && val <= 0),
})
},
nonNegativeInteger(msg = locale.nonNegativeInteger) {
return this.test({
name: 'nonNegativeInteger',
message: msg,
exclusive: true,
test: val => isAbsent(val) || (Number.isInteger(val) && val >= 0),
})
},
truncate() {
return this.transform(value => (!isAbsent(value) ? value | 0 : value))
},
round(method) {
var avail = ['ceil', 'floor', 'round', 'trunc']
method = (method && method.toLowerCase()) || 'round'
// this exists for symemtry with the new Math.trunc
if (method === 'trunc') return this.truncate()
if (avail.indexOf(method.toLowerCase()) === -1)
throw new TypeError(
'Only valid options for round() are: ' + avail.join(', '),
)
return this.transform(value =>
!isAbsent(value) ? Math[method](value) : value,
)
},
})
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