1 | ;
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2 |
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3 | /**
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4 | * Detect not minified CSS
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5 | */
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6 | function rule(analyzer) {
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7 | analyzer.setMetric('notMinified');
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8 |
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9 | /**
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10 | * A simple CSS minification detector
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11 | */
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12 | function isMinified(css) {
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13 | // analyze the first 1024 characters
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14 | css = css.trim().substring(0, 1024);
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15 |
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16 | // there should be no newline in minified file
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17 | return /\n/.test(css) === false;
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18 | }
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19 |
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20 | analyzer.on('css', function(css) {
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21 | analyzer.setMetric('notMinified', isMinified(css) ? 0 : 1);
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22 | });
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23 | }
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24 |
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25 | rule.description = 'Reports not minified CSS ';
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26 | module.exports = rule;
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