Luiz Costa
ac4f232e5e
This change modifies the build scripts to use --legacy-peer-deps flag when installing npm dependencies to resolve potential peer dependency conflicts during the build process. The change is applied to both bash (build.sh) and batch (build.bat) build scripts.
91 lines
3.0 KiB
JavaScript
91 lines
3.0 KiB
JavaScript
/**
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* @fileoverview A rule to disallow unnecessary `.call()` and `.apply()`.
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* @author Toru Nagashima
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*/
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"use strict";
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const astUtils = require("./utils/ast-utils");
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//------------------------------------------------------------------------------
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// Helpers
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//------------------------------------------------------------------------------
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/**
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* Checks whether or not a node is a `.call()`/`.apply()`.
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* @param {ASTNode} node A CallExpression node to check.
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* @returns {boolean} Whether or not the node is a `.call()`/`.apply()`.
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*/
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function isCallOrNonVariadicApply(node) {
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const callee = astUtils.skipChainExpression(node.callee);
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return (
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callee.type === "MemberExpression" &&
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callee.property.type === "Identifier" &&
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callee.computed === false &&
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(
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(callee.property.name === "call" && node.arguments.length >= 1) ||
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(callee.property.name === "apply" && node.arguments.length === 2 && node.arguments[1].type === "ArrayExpression")
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)
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);
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}
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/**
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* Checks whether or not `thisArg` is not changed by `.call()`/`.apply()`.
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* @param {ASTNode|null} expectedThis The node that is the owner of the applied function.
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* @param {ASTNode} thisArg The node that is given to the first argument of the `.call()`/`.apply()`.
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* @param {SourceCode} sourceCode The ESLint source code object.
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* @returns {boolean} Whether or not `thisArg` is not changed by `.call()`/`.apply()`.
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*/
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function isValidThisArg(expectedThis, thisArg, sourceCode) {
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if (!expectedThis) {
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return astUtils.isNullOrUndefined(thisArg);
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}
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return astUtils.equalTokens(expectedThis, thisArg, sourceCode);
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}
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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/** @type {import('../shared/types').Rule} */
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module.exports = {
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meta: {
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type: "suggestion",
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docs: {
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description: "Disallow unnecessary calls to `.call()` and `.apply()`",
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recommended: false,
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url: "https://eslint.org/docs/latest/rules/no-useless-call"
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},
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schema: [],
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messages: {
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unnecessaryCall: "Unnecessary '.{{name}}()'."
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}
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},
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create(context) {
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const sourceCode = context.sourceCode;
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return {
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CallExpression(node) {
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if (!isCallOrNonVariadicApply(node)) {
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return;
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}
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const callee = astUtils.skipChainExpression(node.callee);
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const applied = astUtils.skipChainExpression(callee.object);
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const expectedThis = (applied.type === "MemberExpression") ? applied.object : null;
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const thisArg = node.arguments[0];
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if (isValidThisArg(expectedThis, thisArg, sourceCode)) {
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context.report({ node, messageId: "unnecessaryCall", data: { name: callee.property.name } });
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}
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}
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};
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}
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};
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