1 | /**
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2 | * @fileoverview Rule to flag octal escape sequences in string literals.
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3 | * @author Ian Christian Myers
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4 | */
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5 |
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6 | //------------------------------------------------------------------------------
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7 | // Rule Definition
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8 | //------------------------------------------------------------------------------
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9 |
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10 | module.exports = function(context) {
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11 |
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12 | ;
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13 |
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14 | return {
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15 |
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16 | "Literal": function(node) {
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17 | if (typeof node.value !== "string") {
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18 | return;
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19 | }
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20 | var match = node.raw.match(/^([^\\]|\\[^0-7])*\\([0-7])/),
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21 | octalDigit;
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22 |
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23 | if (match) {
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24 | octalDigit = match[2];
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25 | context.report(node, "Don't use octal: '\\{{octalDigit}}'. Use '\\u....' instead.",
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26 | { octalDigit: octalDigit });
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27 | }
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28 | }
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29 |
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30 | };
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31 |
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32 | };
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