logForeachParam

logForeachParam.js

/**
@func
with a supplied func and a supplied arr of args
- the func will invoke once for each arg in the arr
apply the func to each arg in the arr

@cons
this variant only supports funcs that are unary (argument count of one)

@param {(v: *) => *} fn - the func to be invoked for each elem in the arr
@param {*[]} a - each elem is passed as an arg to the func
*/
export const logForeachParam = (fn, a) => {
  console.log("\nlogForeachParam:", a.length, fn.name);
  a.forEach(e => logFontBlueLight(fn(e)));
};

//@tests
logForeachParam(Array.isArray, [1, 2, 3]); //false, false, false
logForeachParam(e => e + 1, [1, 2, 3]); // 2, 3, 4

//util
export const logFontBlueLight = v => console.log("\u001b[36m", v, "\u001b[0m");