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chore: remove unused temporary semver implementaiton
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1 changed files with 0 additions and 296 deletions
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@ -1,296 +0,0 @@
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local types = require("../utils/result_option_conv")
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local Option = types.Option
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type Option<T> = types.Option<T>
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local Result = types.Result
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local function stringStartsWith(str: string, sub: string)
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return string.sub(str, 1, #sub) == sub
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end
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local function hasLeadingZeros(num: string)
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return string.match(num, "^(0+)") ~= nil
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end
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local function doLeadingZeroesCheck(type: "major" | "minor" | "patch", component: string)
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-- We only do this check if each component has more than 1 digit as an optimization
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if #component > 1 and hasLeadingZeros(component) then
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return Result.Err({
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msg = Option.Some(`Found disallowed leading zeros in {string.upper(type)} component`),
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kind = {
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id = "LeadingZerosPresent",
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component = type,
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} :: ParseError,
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} :: SemverError)
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end
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return Result.Ok(nil)
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end
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type InvalidTypes = "char" | "symbol"
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local function getInvalidTypeName(invalidComponent: string): InvalidTypes
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local typePatterns: { [InvalidTypes]: string } = {
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char = "%a",
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symbol = "%p",
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}
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local presentType: InvalidTypes
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for type: InvalidTypes, pattern in typePatterns do
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if string.match(invalidComponent, pattern) then
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presentType = type
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break
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end
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end
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return presentType
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end
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local Semver = {}
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export type SemverImpl = typeof(setmetatable({} :: Version, Semver))
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export type PreleaseType = "alpha" | "beta" | "rc"
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export type PrereleaseVersion = {
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type: PreleaseType,
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ordinal: Option<number>,
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}
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export type Version = {
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major: number,
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minor: number,
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patch: number,
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buildMetadata: Option<string>,
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prerelease: Option<PrereleaseVersion>,
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}
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export type SemverResult<T, E = SemverError> = types.Result<T, E>
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export type SemverError = {
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msg: Option<string>,
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kind: SemverErrorKind,
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}
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export type SemverErrorKind = ParseError | {}
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export type ParseError =
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{ id: "MandatoryComponentMissing", components: { string } }
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| {
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id: "InvalidComponentType",
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component: "major" | "minor" | "patch",
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expected: "number",
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got: "char" | "symbol" | "unknown",
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}
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| { id: "LeadingZerosPresent", component: "major" | "minor" | "patch" }
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| { id: "InvalidIdentifierCharacter", component: "prerelease" | "metadata" }
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| { id: "InvalidPrereleaseType", component: "prerelease", type: string }
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| { id: "InvalidPrereleaseOrdinalType", expected: "number", got: "char" | "symbol" }
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local PRERELEASE_LEX_ORDER: { [PreleaseType]: number } = {
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alpha = 1,
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beta = 2,
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rc = 3,
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}
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function Semver.parse(ver: string): SemverResult<SemverImpl>
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local components = string.split(ver, ".")
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if #components < 3 then
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return Result.Err({
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msg = Option.Some(`Expected MAJOR.MINOR.PATCH format, missing {#components} / 3 components`),
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kind = {
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id = "MandatoryComponentMissing",
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components = components,
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} :: ParseError,
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} :: SemverError)
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end
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local patchStr, ext = string.match(components[3], "(%d)([-+]?.*)")
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if patchStr == nil then
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return Result.Err({
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msg = Option.Some(`Expected patch to be only a number`),
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kind = {
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id = "InvalidComponentType",
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expected = "number",
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got = "unknown",
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component = "patch",
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} :: ParseError,
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} :: SemverError)
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end
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local major, minor, patch = tonumber(components[1]), tonumber(components[2]), tonumber(patchStr)
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if major == nil or minor == nil or patch == nil then
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local invalidComponentType: "major" | "minor" | "patch", invalidComponent: string
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if major == nil then
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invalidComponentType, invalidComponent = "major", components[1]
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elseif minor == nil then
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invalidComponentType, invalidComponent = "minor", components[2]
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elseif patch == nil then
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invalidComponentType, invalidComponent = "patch", patchStr :: string
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end
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local presentType: InvalidTypes = getInvalidTypeName(invalidComponent)
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return Result.Err({
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msg = Option.Some(
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`Expected {string.upper(invalidComponentType)} to be only a number, but got {presentType}`
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),
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kind = {
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id = "InvalidComponentType",
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expected = "number",
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got = presentType,
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component = invalidComponentType,
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} :: ParseError,
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} :: SemverError)
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end
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-- All components were valid numbers, but we check to see if they had any leading zeros
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-- Leading zeros are invalid in semver
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local majorLeadingZeros = doLeadingZeroesCheck("major", components[1])
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if majorLeadingZeros:isErr() then
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return majorLeadingZeros
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end
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local minorLeadingZeros = doLeadingZeroesCheck("minor", components[2])
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if minorLeadingZeros:isErr() then
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return minorLeadingZeros
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end
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local patchLeadingZeros = doLeadingZeroesCheck("patch", patchStr)
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if patchLeadingZeros:isErr() then
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return patchLeadingZeros
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end
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local parsed: Version = {
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major = major :: number,
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minor = minor :: number,
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patch = patch :: number,
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buildMetadata = Option.None :: Option<string>,
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prerelease = Option.None :: Option<PrereleaseVersion>,
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}
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if ext ~= nil then
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if stringStartsWith(ext, "-") then
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-- Prerelease information
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local prereleaseType = string.sub(ext, 2)
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if prereleaseType ~= "alpha" and prereleaseType ~= "beta" and prereleaseType ~= "rc" then
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return Result.Err({
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msg = Option.Some(`Expected prerelease type to be alpha | beta | rc, but got {prereleaseType}`),
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kind = {
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id = "InvalidPrereleaseType",
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component = "prerelease",
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type = prereleaseType,
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} :: ParseError,
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} :: SemverError)
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end
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local function badPrereleaseType(prerelease: string): SemverResult<SemverImpl>
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local invalidType: InvalidTypes = getInvalidTypeName(prerelease)
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return Result.Err({
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msg = Option.Some(`Expected PRERELEASE to only be a number, but got {invalidType}`),
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kind = {
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id = "InvalidPrereleaseOrdinalType",
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expected = "number",
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got = invalidType,
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} :: ParseError,
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} :: SemverError)
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end
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local prereleaseOrdinal = Option.None :: Option<number>
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-- TODO: Cleanup this recovery logic of recomputing a bit more, maybe remove it entirely
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if components[4] ~= nil then
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local ordinalNum = tonumber(components[4])
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if ordinalNum == nil then
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-- If it wasn't a valid number for the ordinal, that must mean one of two things:
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-- a) The PRERELEASE component was bad
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-- b) The component has build metadata after prerelease info
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-- Here, we handle both those cases
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local potentialOrdinalNumber, potentialBuildMetadata = string.match(components[4], "(%d)+(.*)")
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if potentialOrdinalNumber == nil then
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return badPrereleaseType(components[4])
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end
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if potentialBuildMetadata ~= nil then
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parsed.buildMetadata = Option.Some(potentialBuildMetadata :: string) :: Option<string>
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end
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if potentialOrdinalNumber ~= nil then
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ordinalNum = tonumber(potentialOrdinalNumber)
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if ordinalNum == nil then
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return badPrereleaseType(components[4])
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end
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end
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end
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prereleaseOrdinal = Option.Some(ordinalNum :: number) :: Option<number>
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end
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parsed.prerelease = Option.Some({
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type = prereleaseType,
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ordinal = prereleaseOrdinal,
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} :: PrereleaseVersion) :: Option<PrereleaseVersion>
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end
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if stringStartsWith(ext, "+") then
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-- Build metadata information; we remove the leading `+` symbol
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parsed.buildMetadata = Option.Some(string.sub(ext, 2)) :: Option<string>
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end
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end
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return Result.Ok(setmetatable(parsed :: Version, Semver))
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end
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local function prereleaseEq(leftPrerelease: PrereleaseVersion?, rightPrerelease: PrereleaseVersion?): boolean
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if leftPrerelease == nil or rightPrerelease == nil then
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return true
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end
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return leftPrerelease.type == rightPrerelease.type and leftPrerelease.ordinal == rightPrerelease.ordinal
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end
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--- Returns whether a prerelease is lesser than the other
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local function prereleaseLt(leftPrerelease: PrereleaseVersion?, rightPrerelase: PrereleaseVersion?): boolean
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if not prereleaseEq(leftPrerelease, rightPrerelase) then
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if leftPrerelease ~= nil and rightPrerelase ~= nil then
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if leftPrerelease.type == rightPrerelase.type then
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return leftPrerelease.ordinal:unwrapOr(0) < rightPrerelase.ordinal:unwrapOr(0)
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end
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return PRERELEASE_LEX_ORDER[leftPrerelease.type] < PRERELEASE_LEX_ORDER[rightPrerelase.type]
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end
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return not (leftPrerelease == nil and rightPrerelase ~= nil)
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and (leftPrerelease ~= nil and rightPrerelase == nil)
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end
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return true
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end
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local function prereleaseLe(leftPrerelease: PrereleaseVersion?, rightPrerelase: PrereleaseVersion?): boolean
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return prereleaseLt(leftPrerelease, rightPrerelase) or prereleaseEq(leftPrerelease, rightPrerelase)
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end
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function Semver.__eq(left: SemverImpl, right: SemverImpl): boolean
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return left.major == right.major
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and left.minor == right.minor
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and left.patch == right.patch
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and prereleaseEq(left.prerelease:unwrapOrNil(), right.prerelease:unwrapOrNil())
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end
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function Semver.__lt(left: SemverImpl, right: SemverImpl): boolean
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return if left.major ~= right.major
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then left.major < right.major
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elseif left.minor ~= right.minor then left.minor < right.minor
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elseif left.patch ~= right.patch then left.patch < right.patch
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else prereleaseLt(left.prerelease:unwrapOrNil(), right.prerelease:unwrapOrNil())
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end
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function Semver.__le(left: SemverImpl, right: SemverImpl): boolean
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return if left.major ~= right.major
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then left.major <= right.major
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elseif left.minor ~= right.minor then left.minor <= right.minor
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elseif left.patch ~= right.patch then left.patch <= right.patch
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else prereleaseLe(left.prerelease:unwrapOrNil(), right.prerelease:unwrapOrNil())
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end
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return Semver
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-- TODO: Testing!
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