src/_core/_utils/coerce.js
// coerce convert som types of data into another type
export default {
// Convert a string to booleam. Otherwise, return the value without modification, so if is not boolean, Vue throw a warning.
boolean: val => {
if (typeof val === 'string') {
if (val === '' || val === 'true') {
return true
}
if (val === 'false' || val === 'null' || val === 'undefined') {
return false
}
return val
}
return val
},
number: (val, alt = null) => {
if (typeof val === 'number') {
return val
}
if (val === null || isNaN(Number(val))) {
return alt
}
return Number(val)
}
}