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https://github.com/10h30/odin-javascript-exercises.git
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remove timer and simon
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+76
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/**
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* @fileoverview A rule to warn against using arrow functions when they could be
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* confused with comparisions
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* @author Jxck <https://github.com/Jxck>
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*/
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"use strict";
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const astUtils = require("../ast-utils.js");
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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 conditional expression.
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* @param {ASTNode} node - node to test
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* @returns {boolean} `true` if the node is a conditional expression.
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*/
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function isConditional(node) {
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return node && node.type === "ConditionalExpression";
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}
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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module.exports = {
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meta: {
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docs: {
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description: "disallow arrow functions where they could be confused with comparisons",
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category: "ECMAScript 6",
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recommended: false
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},
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fixable: "code",
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schema: [{
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type: "object",
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properties: {
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allowParens: { type: "boolean" }
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},
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additionalProperties: false
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}]
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},
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create(context) {
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const config = context.options[0] || {};
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const sourceCode = context.getSourceCode();
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/**
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* Reports if an arrow function contains an ambiguous conditional.
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* @param {ASTNode} node - A node to check and report.
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* @returns {void}
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*/
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function checkArrowFunc(node) {
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const body = node.body;
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if (isConditional(body) && !(config.allowParens && astUtils.isParenthesised(sourceCode, body))) {
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context.report({
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node,
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message: "Arrow function used ambiguously with a conditional expression.",
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fix(fixer) {
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// if `allowParens` is not set to true dont bother wrapping in parens
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return config.allowParens && fixer.replaceText(node.body, `(${sourceCode.getText(node.body)})`);
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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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ArrowFunctionExpression: checkArrowFunc
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};
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}
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};
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