1 | /**
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2 | * @fileoverview Rule to check for properties whose identifier ends with the string Sync
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3 | * @author Matt DuVall<http://mattduvall.com/>
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4 | */
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5 |
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6 | /* jshint node:true */
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7 |
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8 | ;
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9 |
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10 | //------------------------------------------------------------------------------
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11 | // Rule Definition
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12 | //------------------------------------------------------------------------------
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13 |
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14 | module.exports = {
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15 | meta: {
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16 | type: "suggestion",
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17 |
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18 | docs: {
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19 | description: "disallow synchronous methods",
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20 | category: "Node.js and CommonJS",
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21 | recommended: false,
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22 | url: "https://eslint.org/docs/rules/no-sync"
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23 | },
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24 |
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25 | schema: [
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26 | {
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27 | type: "object",
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28 | properties: {
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29 | allowAtRootLevel: {
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30 | type: "boolean",
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31 | default: false
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32 | }
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33 | },
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34 | additionalProperties: false
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35 | }
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36 | ]
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37 | },
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38 |
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39 | create(context) {
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40 | const selector = context.options[0] && context.options[0].allowAtRootLevel
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41 | ? ":function MemberExpression[property.name=/.*Sync$/]"
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42 | : "MemberExpression[property.name=/.*Sync$/]";
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43 |
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44 | return {
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45 | [selector](node) {
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46 | context.report({
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47 | node,
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48 | message: "Unexpected sync method: '{{propertyName}}'.",
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49 | data: {
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50 | propertyName: node.property.name
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51 | }
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52 | });
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53 | }
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54 | };
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55 |
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56 | }
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57 | };
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