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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | 26x 26x 26x 31x 31x 31x 31x 29x 31x 26x 13x 13x 13x 13x 13x 13x 14x 1x 13x 15x 2x 13x 14x 14x 13x 11x 13x 25x 16x 9x 9x 9x 9x 9x | /**
* CSS Analyzer Plugin
* Analyzes CSS property value changes and provides detailed insights
*/
/**
* Parse CSS properties from content
* @param {string} css - CSS content
* @returns {Map<string, Set<string>>} Map of property names to values
*/
function parseCSSProperties(css) {
const properties = new Map();
// Simple regex to find property: value pairs
const propertyRegex = /([a-z-]+)\s*:\s*([^;{}]+)/gi;
let match;
while ((match = propertyRegex.exec(css)) !== null) {
const [, prop, value] = match;
const normalizedProp = prop.toLowerCase().trim();
const normalizedValue = value.trim();
if (!properties.has(normalizedProp)) {
properties.set(normalizedProp, new Set());
}
properties.get(normalizedProp).add(normalizedValue);
}
return properties;
}
/**
* Analyze property value changes between baseline and current
* @param {string} baseline - Baseline CSS content
* @param {string} current - Current CSS content
* @returns {Object} Analysis results
*/
export function analyzePropertyValueChanges(baseline, current) {
const baselineProps = parseCSSProperties(baseline);
const currentProps = parseCSSProperties(current);
const addedProperties = [];
const removedProperties = [];
const changedProperties = [];
// Find removed properties
for (const [prop, values] of baselineProps) {
if (!currentProps.has(prop)) {
removedProperties.push({
property: prop,
values: Array.from(values),
});
}
}
// Find added and changed properties
for (const [prop, values] of currentProps) {
if (!baselineProps.has(prop)) {
addedProperties.push({
property: prop,
values: Array.from(values),
});
} else {
const baselineValues = baselineProps.get(prop);
const added = Array.from(values).filter((v) => !baselineValues.has(v));
const removed = Array.from(baselineValues).filter((v) => !values.has(v));
if (added.length > 0 || removed.length > 0) {
changedProperties.push({
property: prop,
addedValues: added,
removedValues: removed,
});
}
}
}
return {
addedProperties,
removedProperties,
changedProperties,
};
}
/**
* Plugin hook: afterCompare
* Adds CSS analysis data to comparison results
* @param {Object} result - Comparison result
* @param {string} relativePath - Relative file path
* @returns {Object} Enhanced result
*/
export function afterCompare(result, relativePath) {
// Only analyze CSS files with differences
if (!relativePath.endsWith('.css') || result.status === 'identical') {
return result;
}
const { baselineContent, currentContent } = result;
Eif (result.status === 'different' && baselineContent && currentContent) {
const analysis = analyzePropertyValueChanges(baselineContent, currentContent);
result.pluginData = {
...result.pluginData,
cssAnalysis: analysis,
};
}
return result;
}
export default {
name: 'css-analyzer',
afterCompare,
};
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