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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 | 12x 12x 12x 17x 17x 17x 17x 15x 17x 12x 6x 6x 6x 6x 6x 6x 7x 1x 6x 8x 2x 6x 7x 7x 6x 4x 6x 4x 2x 2x 2x 2x 2x 2x | /**
* 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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