update socials section
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117
node_modules/eslint/lib/rules/no-object-constructor.js
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117
node_modules/eslint/lib/rules/no-object-constructor.js
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/**
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* @fileoverview Rule to disallow calls to the `Object` constructor without an argument
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* @author Francesco Trotta
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Requirements
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//------------------------------------------------------------------------------
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const {
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getVariableByName,
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isArrowToken,
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isStartOfExpressionStatement,
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needsPrecedingSemicolon
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} = require("./utils/ast-utils");
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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 calls to the `Object` constructor without an argument",
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recommended: false,
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url: "https://eslint.org/docs/latest/rules/no-object-constructor"
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},
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hasSuggestions: true,
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schema: [],
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messages: {
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preferLiteral: "The object literal notation {} is preferable.",
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useLiteral: "Replace with '{{replacement}}'.",
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useLiteralAfterSemicolon: "Replace with '{{replacement}}', add preceding semicolon."
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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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/**
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* Determines whether or not an object literal that replaces a specified node needs to be enclosed in parentheses.
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* @param {ASTNode} node The node to be replaced.
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* @returns {boolean} Whether or not parentheses around the object literal are required.
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*/
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function needsParentheses(node) {
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if (isStartOfExpressionStatement(node)) {
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return true;
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}
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const prevToken = sourceCode.getTokenBefore(node);
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if (prevToken && isArrowToken(prevToken)) {
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return true;
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}
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return false;
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}
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/**
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* Reports on nodes where the `Object` constructor is called without arguments.
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* @param {ASTNode} node The node to evaluate.
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* @returns {void}
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*/
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function check(node) {
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if (node.callee.type !== "Identifier" || node.callee.name !== "Object" || node.arguments.length) {
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return;
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}
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const variable = getVariableByName(sourceCode.getScope(node), "Object");
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if (variable && variable.identifiers.length === 0) {
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let replacement;
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let fixText;
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let messageId = "useLiteral";
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if (needsParentheses(node)) {
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replacement = "({})";
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if (needsPrecedingSemicolon(sourceCode, node)) {
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fixText = ";({})";
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messageId = "useLiteralAfterSemicolon";
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} else {
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fixText = "({})";
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}
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} else {
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replacement = fixText = "{}";
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}
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context.report({
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node,
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messageId: "preferLiteral",
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suggest: [
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{
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messageId,
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data: { replacement },
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fix: fixer => fixer.replaceText(node, fixText)
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}
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]
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});
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}
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}
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return {
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CallExpression: check,
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NewExpression: check
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};
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}
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};
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