1 | /**
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2 | * @fileoverview Rule to check for tabs inside a file
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3 | * @author Gyandeep Singh
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4 | */
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5 |
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6 | ;
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7 |
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8 | //------------------------------------------------------------------------------
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9 | // Helpers
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10 | //------------------------------------------------------------------------------
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11 | const regex = /\t/;
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12 |
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13 | //------------------------------------------------------------------------------
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14 | // Public Interface
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15 | //------------------------------------------------------------------------------
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16 |
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17 | module.exports = {
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18 | meta: {
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19 | docs: {
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20 | description: "disallow all tabs",
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21 | category: "Stylistic Issues",
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22 | recommended: false,
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23 | url: "https://eslint.org/docs/rules/no-tabs"
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24 | },
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25 | schema: []
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26 | },
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27 |
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28 | create(context) {
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29 | return {
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30 | Program(node) {
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31 | context.getSourceCode().getLines().forEach((line, index) => {
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32 | const match = regex.exec(line);
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33 |
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34 | if (match) {
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35 | context.report({
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36 | node,
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37 | loc: {
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38 | line: index + 1,
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39 | column: match.index + 1
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40 | },
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41 | message: "Unexpected tab character."
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42 | });
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43 | }
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44 | });
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45 | }
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46 | };
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47 | }
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48 | };
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