node-version-alias/build/src/main.js

Resolve Node.js version aliases like 'latest', 'lts' or 'erbium'

import normalizeNodeVersion from"normalize-node-version";
import semver from"semver";

import{getConstantAlias}from"./constant.js";
import{getLtsAlias}from"./lts.js";
import{getNvmCustomAlias}from"./nvm.js";
import{getOpts}from"./options.js";



const nodeVersionAlias=async(alias,opts)=>{
const{allNodeOpts,normalizeOpts}=getOpts(opts);
const versionRange=await getVersionRange(alias,allNodeOpts);

if(versionRange===undefined){
throw new Error(`Invalid Node.js version alias: ${alias}`)
}

const version=await normalizeNodeVersion(versionRange,normalizeOpts);
return version
};

export default nodeVersionAlias;

const getVersionRange=async(alias,allNodeOpts)=>{
if(semver.validRange(alias)!==null){
return alias
}

const versionRange=await getConstantAlias(alias);

if(versionRange!==undefined){
return versionRange
}

const versionRangeA=await getLtsAlias(alias,allNodeOpts);

if(versionRangeA!==undefined){
return versionRangeA
}

return getRecursiveNvmAlias(alias,allNodeOpts)
};


const getRecursiveNvmAlias=async(alias,allNodeOpts)=>{
const aliasResult=await getNvmCustomAlias(alias);

if(aliasResult===undefined||aliasResult===""){
return
}

return getVersionRange(aliasResult,allNodeOpts)
};