Urara-Blog/node_modules/.pnpm-store/v3/files/c2/87fd7c3fb77db2ed1da95636a60804ab2741f56dbf077256b8cc1847afaad8258cb10ce7d8ad8a369e7d51a340aa6ecd30bbe3d0d9805dc382fb1738fbadb8
2022-08-14 01:14:53 +08:00

54 lines
1.5 KiB
Text

/**
* @fileoverview A rule to disallow modifying variables that are declared using `const`
* @author Toru Nagashima
*/
"use strict";
const astUtils = require("./utils/ast-utils");
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
/** @type {import('../shared/types').Rule} */
module.exports = {
meta: {
type: "problem",
docs: {
description: "Disallow reassigning `const` variables",
recommended: true,
url: "https://eslint.org/docs/rules/no-const-assign"
},
schema: [],
messages: {
const: "'{{name}}' is constant."
}
},
create(context) {
/**
* Finds and reports references that are non initializer and writable.
* @param {Variable} variable A variable to check.
* @returns {void}
*/
function checkVariable(variable) {
astUtils.getModifyingReferences(variable.references).forEach(reference => {
context.report({ node: reference.identifier, messageId: "const", data: { name: reference.identifier.name } });
});
}
return {
VariableDeclaration(node) {
if (node.kind === "const") {
context.getDeclaredVariables(node).forEach(checkVariable);
}
}
};
}
};