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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | import { Maybe } from '../common'
// TYPES
export type SemVer = {
major: number
minor: number
patch: number
}
// FUNCTIONS
export const encode = (major: number, minor: number, patch: number): SemVer => {
return {
major,
minor,
patch
}
}
export const fromString = (str: string): Maybe<SemVer> => {
const parts = str.split('.').map(x => parseInt(x)) // dont shorten this because parseInt has a second param
if (parts.length !== 3 || parts.some(p => typeof p !== 'number')) {
return null
}
return {
major: parts[0],
minor: parts[1],
patch: parts[2]
}
}
export const toString = (version: SemVer): string => {
const { major, minor, patch } = version
return `${major}.${minor}.${patch}`
}
// VERSIONS
export const v0 = encode(0, 0, 0)
export const v1 = encode(1, 0, 0)
export const latest = encode(1, 0, 0)
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