some deletions

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

diff --git a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-constructor.js b/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-constructor.js
deleted file mode 100644 (file)
index 7cf0338..0000000
--- a/.config/coc/extensions/node_modules/coc-prettier/node_modules/eslint/lib/rules/no-useless-constructor.js
+++ /dev/null
@@ -1,177 +0,0 @@
-/**
- * @fileoverview Rule to flag the use of redundant constructors in classes.
- * @author Alberto Rodríguez
- */
-"use strict";
-
-//------------------------------------------------------------------------------
-// Helpers
-//------------------------------------------------------------------------------
-
-/**
- * Checks whether a given array of statements is a single call of `super`.
- * @param {ASTNode[]} body An array of statements to check.
- * @returns {boolean} `true` if the body is a single call of `super`.
- */
-function isSingleSuperCall(body) {
-    return (
-        body.length === 1 &&
-        body[0].type === "ExpressionStatement" &&
-        body[0].expression.type === "CallExpression" &&
-        body[0].expression.callee.type === "Super"
-    );
-}
-
-/**
- * Checks whether a given node is a pattern which doesn't have any side effects.
- * Default parameters and Destructuring parameters can have side effects.
- * @param {ASTNode} node A pattern node.
- * @returns {boolean} `true` if the node doesn't have any side effects.
- */
-function isSimple(node) {
-    return node.type === "Identifier" || node.type === "RestElement";
-}
-
-/**
- * Checks whether a given array of expressions is `...arguments` or not.
- * `super(...arguments)` passes all arguments through.
- * @param {ASTNode[]} superArgs An array of expressions to check.
- * @returns {boolean} `true` if the superArgs is `...arguments`.
- */
-function isSpreadArguments(superArgs) {
-    return (
-        superArgs.length === 1 &&
-        superArgs[0].type === "SpreadElement" &&
-        superArgs[0].argument.type === "Identifier" &&
-        superArgs[0].argument.name === "arguments"
-    );
-}
-
-/**
- * Checks whether given 2 nodes are identifiers which have the same name or not.
- * @param {ASTNode} ctorParam A node to check.
- * @param {ASTNode} superArg A node to check.
- * @returns {boolean} `true` if the nodes are identifiers which have the same
- *      name.
- */
-function isValidIdentifierPair(ctorParam, superArg) {
-    return (
-        ctorParam.type === "Identifier" &&
-        superArg.type === "Identifier" &&
-        ctorParam.name === superArg.name
-    );
-}
-
-/**
- * Checks whether given 2 nodes are a rest/spread pair which has the same values.
- * @param {ASTNode} ctorParam A node to check.
- * @param {ASTNode} superArg A node to check.
- * @returns {boolean} `true` if the nodes are a rest/spread pair which has the
- *      same values.
- */
-function isValidRestSpreadPair(ctorParam, superArg) {
-    return (
-        ctorParam.type === "RestElement" &&
-        superArg.type === "SpreadElement" &&
-        isValidIdentifierPair(ctorParam.argument, superArg.argument)
-    );
-}
-
-/**
- * Checks whether given 2 nodes have the same value or not.
- * @param {ASTNode} ctorParam A node to check.
- * @param {ASTNode} superArg A node to check.
- * @returns {boolean} `true` if the nodes have the same value or not.
- */
-function isValidPair(ctorParam, superArg) {
-    return (
-        isValidIdentifierPair(ctorParam, superArg) ||
-        isValidRestSpreadPair(ctorParam, superArg)
-    );
-}
-
-/**
- * Checks whether the parameters of a constructor and the arguments of `super()`
- * have the same values or not.
- * @param {ASTNode} ctorParams The parameters of a constructor to check.
- * @param {ASTNode} superArgs The arguments of `super()` to check.
- * @returns {boolean} `true` if those have the same values.
- */
-function isPassingThrough(ctorParams, superArgs) {
-    if (ctorParams.length !== superArgs.length) {
-        return false;
-    }
-
-    for (let i = 0; i < ctorParams.length; ++i) {
-        if (!isValidPair(ctorParams[i], superArgs[i])) {
-            return false;
-        }
-    }
-
-    return true;
-}
-
-/**
- * Checks whether the constructor body is a redundant super call.
- * @param {Array} body constructor body content.
- * @param {Array} ctorParams The params to check against super call.
- * @returns {boolean} true if the construtor body is redundant
- */
-function isRedundantSuperCall(body, ctorParams) {
-    return (
-        isSingleSuperCall(body) &&
-        ctorParams.every(isSimple) &&
-        (
-            isSpreadArguments(body[0].expression.arguments) ||
-            isPassingThrough(ctorParams, body[0].expression.arguments)
-        )
-    );
-}
-
-//------------------------------------------------------------------------------
-// Rule Definition
-//------------------------------------------------------------------------------
-
-module.exports = {
-    meta: {
-        type: "suggestion",
-
-        docs: {
-            description: "disallow unnecessary constructors",
-            category: "ECMAScript 6",
-            recommended: false,
-            url: "https://eslint.org/docs/rules/no-useless-constructor"
-        },
-
-        schema: []
-    },
-
-    create(context) {
-
-        /**
-         * Checks whether a node is a redundant constructor
-         * @param {ASTNode} node node to check
-         * @returns {void}
-         */
-        function checkForConstructor(node) {
-            if (node.kind !== "constructor") {
-                return;
-            }
-
-            const body = node.value.body.body;
-            const ctorParams = node.value.params;
-            const superClass = node.parent.parent.superClass;
-
-            if (superClass ? isRedundantSuperCall(body, ctorParams) : (body.length === 0)) {
-                context.report({
-                    node,
-                    message: "Useless constructor."
-                });
-            }
-        }
-
-        return {
-            MethodDefinition: checkForConstructor
-        };
-    }
-};