Safe Integer Number
March 5, 2020 ยท View on GitHub
Safe integer number primitive
safe-integer/coerce
Follows integer/coerce but returns null in place of values which are beyond Number.MIN_SAFE_INTEGER and Number.MAX_SAFE_INTEGER range.
const coerceToSafeInteger = require("type/safe-integer/coerce");
coerceToInteger("12.95"); // 12
coerceToInteger(9007199254740992); // null
coerceToInteger(null); // null
safe-integer/ensure
If given argument is a safe integer coercible value (via safe-integer/coerce) returns result number.
Otherwise TypeError is thrown.
const ensureSafeInteger = require("type/safe-integer/ensure");
ensureSafeInteger(12.93); // "12"
ensureSafeInteger(9007199254740992); // Thrown TypeError: null is not a safe integer