55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
|
/**
|
||
|
|
* @fileoverview Disallow construction of dense arrays using the Array constructor
|
||
|
|
* @author Matt DuVall <http://www.mattduvall.com/>
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
// Rule Definition
|
||
|
|
//------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
meta: {
|
||
|
|
type: "suggestion",
|
||
|
|
|
||
|
|
docs: {
|
||
|
|
description: "disallow `Array` constructors",
|
||
|
|
category: "Stylistic Issues",
|
||
|
|
recommended: false,
|
||
|
|
url: "https://eslint.org/docs/rules/no-array-constructor"
|
||
|
|
},
|
||
|
|
|
||
|
|
schema: [],
|
||
|
|
|
||
|
|
messages: {
|
||
|
|
preferLiteral: "The array literal notation [] is preferable."
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
create(context) {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Disallow construction of dense arrays using the Array constructor
|
||
|
|
* @param {ASTNode} node node to evaluate
|
||
|
|
* @returns {void}
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function check(node) {
|
||
|
|
if (
|
||
|
|
node.arguments.length !== 1 &&
|
||
|
|
node.callee.type === "Identifier" &&
|
||
|
|
node.callee.name === "Array"
|
||
|
|
) {
|
||
|
|
context.report({ node, messageId: "preferLiteral" });
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
CallExpression: check,
|
||
|
|
NewExpression: check
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
};
|