TanTan
e311ca3275
Build NapCat Artifacts / Windows Loader Test (push) Canceled after 0s
Build NapCat Artifacts / Type Check & Test (push) Canceled after 0s
Build NapCat Artifacts / Build NapCat.Framework (push) Canceled after 0s
Build NapCat Artifacts / Build NapCat.Shell (push) Canceled after 0s
95 lines
2.9 KiB
Plaintext
95 lines
2.9 KiB
Plaintext
/**
|
|
* @author Jamund Ferguson
|
|
* See LICENSE file in root directory for full license.
|
|
*/
|
|
"use strict"
|
|
|
|
module.exports = {
|
|
meta: {
|
|
type: "suggestion",
|
|
docs: {
|
|
description: "require error handling in callbacks",
|
|
category: "Possible Errors",
|
|
recommended: false,
|
|
url:
|
|
"https://github.com/mysticatea/eslint-plugin-node/blob/v11.1.0/docs/rules/handle-callback-err.md",
|
|
},
|
|
fixable: null,
|
|
schema: [
|
|
{
|
|
type: "string",
|
|
},
|
|
],
|
|
messages: {
|
|
expected: "Expected error to be handled.",
|
|
},
|
|
},
|
|
|
|
create(context) {
|
|
const errorArgument = context.options[0] || "err"
|
|
|
|
/**
|
|
* Checks if the given argument should be interpreted as a regexp pattern.
|
|
* @param {string} stringToCheck The string which should be checked.
|
|
* @returns {boolean} Whether or not the string should be interpreted as a pattern.
|
|
*/
|
|
function isPattern(stringToCheck) {
|
|
const firstChar = stringToCheck[0]
|
|
|
|
return firstChar === "^"
|
|
}
|
|
|
|
/**
|
|
* Checks if the given name matches the configured error argument.
|
|
* @param {string} name The name which should be compared.
|
|
* @returns {boolean} Whether or not the given name matches the configured error variable name.
|
|
*/
|
|
function matchesConfiguredErrorName(name) {
|
|
if (isPattern(errorArgument)) {
|
|
const regexp = new RegExp(errorArgument, "u")
|
|
|
|
return regexp.test(name)
|
|
}
|
|
return name === errorArgument
|
|
}
|
|
|
|
/**
|
|
* Get the parameters of a given function scope.
|
|
* @param {Object} scope The function scope.
|
|
* @returns {Array} All parameters of the given scope.
|
|
*/
|
|
function getParameters(scope) {
|
|
return scope.variables.filter(
|
|
variable =>
|
|
variable.defs[0] && variable.defs[0].type === "Parameter"
|
|
)
|
|
}
|
|
|
|
/**
|
|
* Check to see if we're handling the error object properly.
|
|
* @param {ASTNode} node The AST node to check.
|
|
* @returns {void}
|
|
*/
|
|
function checkForError(node) {
|
|
const scope = context.getScope()
|
|
const parameters = getParameters(scope)
|
|
const firstParameter = parameters[0]
|
|
|
|
if (
|
|
firstParameter &&
|
|
matchesConfiguredErrorName(firstParameter.name)
|
|
) {
|
|
if (firstParameter.references.length === 0) {
|
|
context.report({ node, messageId: "expected" })
|
|
}
|
|
}
|
|
}
|
|
|
|
return {
|
|
FunctionDeclaration: checkForError,
|
|
FunctionExpression: checkForError,
|
|
ArrowFunctionExpression: checkForError,
|
|
}
|
|
},
|
|
}
|