1 | 'use strict';
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2 |
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3 | const fixer = require('../functionCommaSpaceFix');
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4 | const functionCommaSpaceChecker = require('../functionCommaSpaceChecker');
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5 | const ruleMessages = require('../../utils/ruleMessages');
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6 | const validateOptions = require('../../utils/validateOptions');
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7 | const whitespaceChecker = require('../../utils/whitespaceChecker');
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8 |
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9 | const ruleName = 'function-comma-space-before';
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10 |
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11 | const messages = ruleMessages(ruleName, {
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12 | expectedBefore: () => 'Expected single space before ","',
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13 | rejectedBefore: () => 'Unexpected whitespace before ","',
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14 | expectedBeforeSingleLine: () => 'Expected single space before "," in a single-line function',
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15 | rejectedBeforeSingleLine: () => 'Unexpected whitespace before "," in a single-line function',
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16 | });
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17 |
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18 | function rule(expectation, options, context) {
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19 | const checker = whitespaceChecker('space', expectation, messages);
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20 |
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21 | return (root, result) => {
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22 | const validOptions = validateOptions(result, ruleName, {
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23 | actual: expectation,
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24 | possible: ['always', 'never', 'always-single-line', 'never-single-line'],
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25 | });
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26 |
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27 | if (!validOptions) {
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28 | return;
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29 | }
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30 |
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31 | functionCommaSpaceChecker({
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32 | root,
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33 | result,
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34 | locationChecker: checker.before,
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35 | checkedRuleName: ruleName,
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36 | fix: context.fix
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37 | ? (div, index, nodes) => {
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38 | return fixer({
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39 | div,
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40 | index,
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41 | nodes,
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42 | expectation,
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43 | position: 'before',
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44 | symb: ' ',
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45 | });
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46 | }
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47 | : null,
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48 | });
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49 | };
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50 | }
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51 |
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52 | rule.ruleName = ruleName;
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53 | rule.messages = messages;
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54 | module.exports = rule;
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