some deletions

[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / eslint / lib / rules / no-useless-call.js

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-call.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-call.js
deleted file mode 100644 (file)
index 11cf524..0000000
--- a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-call.js
+++ /dev/null
@@ -1,83 +0,0 @@
-/**
- * @fileoverview A rule to disallow unnecessary `.call()` and `.apply()`.
- * @author Toru Nagashima
- */
-
-"use strict";
-
-const astUtils = require("./utils/ast-utils");
-
-//------------------------------------------------------------------------------
-// Helpers
-//------------------------------------------------------------------------------
-
-/**
- * Checks whether or not a node is a `.call()`/`.apply()`.
- * @param {ASTNode} node A CallExpression node to check.
- * @returns {boolean} Whether or not the node is a `.call()`/`.apply()`.
- */
-function isCallOrNonVariadicApply(node) {
-    return (
-        node.callee.type === "MemberExpression" &&
-        node.callee.property.type === "Identifier" &&
-        node.callee.computed === false &&
-        (
-            (node.callee.property.name === "call" && node.arguments.length >= 1) ||
-            (node.callee.property.name === "apply" && node.arguments.length === 2 && node.arguments[1].type === "ArrayExpression")
-        )
-    );
-}
-
-
-/**
- * Checks whether or not `thisArg` is not changed by `.call()`/`.apply()`.
- * @param {ASTNode|null} expectedThis The node that is the owner of the applied function.
- * @param {ASTNode} thisArg The node that is given to the first argument of the `.call()`/`.apply()`.
- * @param {SourceCode} sourceCode The ESLint source code object.
- * @returns {boolean} Whether or not `thisArg` is not changed by `.call()`/`.apply()`.
- */
-function isValidThisArg(expectedThis, thisArg, sourceCode) {
-    if (!expectedThis) {
-        return astUtils.isNullOrUndefined(thisArg);
-    }
-    return astUtils.equalTokens(expectedThis, thisArg, sourceCode);
-}
-
-//------------------------------------------------------------------------------
-// Rule Definition
-//------------------------------------------------------------------------------
-
-module.exports = {
-    meta: {
-        type: "suggestion",
-
-        docs: {
-            description: "disallow unnecessary calls to `.call()` and `.apply()`",
-            category: "Best Practices",
-            recommended: false,
-            url: "https://eslint.org/docs/rules/no-useless-call"
-        },
-
-        schema: []
-    },
-
-    create(context) {
-        const sourceCode = context.getSourceCode();
-
-        return {
-            CallExpression(node) {
-                if (!isCallOrNonVariadicApply(node)) {
-                    return;
-                }
-
-                const applied = node.callee.object;
-                const expectedThis = (applied.type === "MemberExpression") ? applied.object : null;
-                const thisArg = node.arguments[0];
-
-                if (isValidThisArg(expectedThis, thisArg, sourceCode)) {
-                    context.report({ node, message: "unnecessary '.{{name}}()'.", data: { name: node.callee.property.name } });
-                }
-            }
-        };
-    }
-};