Files
hoppscotch/packages/hoppscotch-cli/src/utils/checks.ts
2023-12-13 22:43:18 +05:30

105 lines
3.1 KiB
TypeScript

import { HoppCollection, isHoppRESTRequest } from "@hoppscotch/data";
import * as A from "fp-ts/Array";
import { CommanderError } from "commander";
import { HoppCLIError, HoppErrnoException } from "../types/errors";
/**
* Determines whether an object has a property with given name.
* @param target Object to be checked for given property.
* @param prop Property to be checked in target object.
* @returns True, if property exists in target object; False, otherwise.
*/
export const hasProperty = <P extends PropertyKey>(
target: object,
prop: P
): target is Record<P, unknown> => prop in target;
/**
* Typeguard to check valid Hoppscotch REST Collection.
* @param param The object to be checked.
* @returns True, if unknown parameter is valid Hoppscotch REST Collection;
* False, otherwise.
*/
export const isRESTCollection = (param: unknown): param is HoppCollection => {
if (!!param && typeof param === "object") {
if (!hasProperty(param, "v") || typeof param.v !== "number") {
return false;
}
if (!hasProperty(param, "name") || typeof param.name !== "string") {
return false;
}
if (hasProperty(param, "id") && typeof param.id !== "string") {
return false;
}
if (!hasProperty(param, "requests") || !Array.isArray(param.requests)) {
return false;
} else {
// Checks each requests array to be valid HoppRESTRequest.
const checkRequests = A.every(isHoppRESTRequest)(param.requests);
if (!checkRequests) {
return false;
}
}
if (!hasProperty(param, "folders") || !Array.isArray(param.folders)) {
return false;
} else {
// Checks each folder to be valid REST collection.
const checkFolders = A.every(isRESTCollection)(param.folders);
if (!checkFolders) {
return false;
}
}
return true;
}
return false;
};
/**
* Checks if given error data is of type HoppCLIError, based on existence
* of code property.
* @param error Error data to check.
* @returns True, if unknown error validates to be HoppCLIError;
* False, otherwise.
*/
export const isHoppCLIError = (error: unknown): error is HoppCLIError => {
return (
!!error &&
typeof error === "object" &&
hasProperty(error, "code") &&
typeof error.code === "string"
);
};
/**
* Checks if given error data is of type HoppErrnoException, based on existence
* of name property.
* @param error Error data to check.
* @returns True, if unknown error validates to be HoppErrnoException;
* False, otherwise.
*/
export const isHoppErrnoException = (
error: unknown
): error is HoppErrnoException => {
return (
!!error &&
typeof error === "object" &&
hasProperty(error, "name") &&
typeof error.name === "string"
);
};
/**
* Check whether given unknown error is instance of commander-error and
* has zero exit code (which we consider as safe error).
* @param error Error data to check.
* @returns True, if error data validates to be safe-commander-error;
* False, otherwise.
*/
export const isSafeCommanderError = (
error: unknown
): error is CommanderError => {
return error instanceof CommanderError && error.exitCode === 0;
};