audiobookshelf-pgodwin/server/libs/njodb/validators.js

70 lines
1.6 KiB
JavaScript

"use strict";
const { existsSync } = require("graceful-fs");
const validateSize = (s) => {
if (typeof s !== "number") {
throw new TypeError("Size must be a number");
} else if (s <= 0) {
throw new RangeError("Size must be greater than zero");
}
return s;
};
const validateName = (n) => {
if (typeof n !== "string") {
throw new TypeError("Name must be a string");
} else if (n.trim().length <= 0) {
throw new Error("Name must be a non-blank string")
}
return n;
};
const validatePath = (p) => {
if (typeof p !== "string") {
throw new TypeError("Path must be a string");
} else if (p.trim().length <= 0) {
throw new Error("Path must be a non-blank string");
} else if (!existsSync(p)) {
throw new Error("Path does not exist");
}
return p;
};
const validateArray = (a) => {
if (!Array.isArray(a)) {
throw new TypeError("Not an array");
}
return a;
};
const validateObject = (o) => {
if (typeof o !== "object") {
throw new TypeError("Not an object");
}
return o;
};
const validateFunction = (f) => {
if (typeof f !== "function") {
throw new TypeError("Not a function")
}
// } else {
// const fString = f.toString();
// if (/\s*function/.test(fString) && !/\W+return\W+/.test(fString)) throw new Error("Function must return a value");
// }
return f;
}
exports.validateSize = validateSize;
exports.validateName = validateName;
exports.validatePath = validatePath;
exports.validateArray = validateArray;
exports.validateObject = validateObject;
exports.validateFunction = validateFunction;