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6 | "use strict";
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7 |
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11 |
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12 | module.exports = function(context) {
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13 | var message = "Expected parentheses around arrow function argument.";
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14 | var asNeededMessage = "Unexpected parentheses around single function argument";
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15 | var asNeeded = context.options[0] === "as-needed";
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16 |
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17 | |
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20 |
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21 |
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22 | function parens(node) {
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23 | var token = context.getFirstToken(node);
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24 |
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25 |
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26 | if (asNeeded && node.params.length === 1 && node.params[0].type === "Identifier") {
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27 | if (token.type === "Punctuator" && token.value === "(") {
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28 | context.report(node, asNeededMessage);
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29 | }
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30 | return;
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31 | }
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32 |
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33 | if (token.type === "Identifier") {
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34 | var after = context.getTokenAfter(token);
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35 |
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36 |
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37 | if (after.value !== ")") {
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38 | context.report(node, message);
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39 | }
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40 | }
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41 | }
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42 |
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43 | return {
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44 | "ArrowFunctionExpression": parens
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45 | };
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46 | };
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47 |
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48 | module.exports.schema = [
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49 | {
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50 | "enum": ["always", "as-needed"]
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51 | }
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52 | ];
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