unix-permissions/build/src/types/stat/parse.js

Swiss Army knife for Unix permissions

import{NODES}from"../../constants.js";
import{hasDuplicate}from"../../utils.js";

import{tokenize}from"./tokenize.js";


export const parse=(stat)=>{
const tokens=tokenize(stat);

if(tokens===undefined||hasDuplicates({tokens})){
return
}

return NODES.map((node)=>parseNode({node,tokens}))
};


const hasDuplicates=({tokens})=>
Object.values(tokens).some(hasDuplicateChars);

const hasDuplicateChars=(string)=>hasDuplicate([...string]);


const parseNode=({node,node:{category},tokens})=>{
const part=tokens[category];
return parsePart({node,part})
};

const parsePart=({node,node:{permission},part})=>{
const add=part.includes(permission);
return{...node,add}
};