set-array/build/src/check.js

Set array items declaratively

import isPlainObj from"is-plain-obj";



export const test=(updatesObj)=>testUpdatesObj(updatesObj)===undefined;

export const testUpdatesObj=(updatesObj)=>{
if(!isPlainObj(updatesObj)){
return{error:"plainObj"}
}


for(const key in updatesObj){

if(!isValidKey(key)){
return{error:"key",key}
}
}

return testSymbols(updatesObj)
};

const testSymbols=(updatesObj)=>{
const[symbol]=Object.getOwnPropertySymbols(updatesObj);

if(symbol!==undefined){
return{error:"symbol",symbol}
}
};

const isValidKey=(key)=>key===ANY_KEY||UPDATE_KEY_REGEXP.test(key);


export const ANY_KEY="*";

export const PREPEND_CHAR="+";

const UPDATE_KEY_REGEXP=/^-?\d+\+?$/u;