set-array/build/src/input.js

Set array items declaratively

import isPlainObj from"is-plain-obj";

import{testUpdatesObj}from"./check.js";


export const normalizeInput=(array,updatesObj,options)=>{
validateArray(array);
validateUpdatesObj(updatesObj);
return normalizeOptions(options)
};

const validateArray=(array)=>{
if(!Array.isArray(array)){
throw new TypeError(`First argument must be an array: ${array}`)
}
};

const validateUpdatesObj=(updatesObj)=>{
const errorObj=testUpdatesObj(updatesObj);

if(errorObj!==undefined){
throw new TypeError(
UPDATES_OBJ_ERRORS[errorObj.error]({updatesObj,...errorObj})
)
}
};

const UPDATES_OBJ_ERRORS={
plainObj:({updatesObj})=>
`Second argument must be an object: ${updatesObj}`,
key:({key})=>`Second argument's keys must be numbers or "*": "${key}"`,
symbol:({symbol})=>
`Second argument's keys must not be symbols: ${String(symbol)}`
};

const normalizeOptions=(options={})=>{
if(!isPlainObj(options)){
throw new TypeError(`Last options argument must be an object: ${options}`)
}

const{merge}=options;

if(merge!==undefined&&typeof merge!=="function"){
throw new TypeError(`options.merge must be a function: ${merge}`)
}

return options
};