Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'specificity' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
analyzer.on('selector', function(rule, selector, expressions) {
var selectorSpecificity = specificity.calculate(selector),
parts;
if (!selectorSpecificity) {
debug('not counted for %s!', selector);
return;
}
// parse the results
parts = selectorSpecificity[0].specificity.
split(',').
slice(1).
map(function(i) {
return parseInt(i, 10);
});
debug('%s: %s', selector, parts.join(''));
(function visit(node) {
// Check for selector. We might be in an at-rule like @font-face
if (node.type === 'decl' && node.parent.selector) {
const isCustomProperty = /^--/.test(node.prop);
const propName = isCustomProperty ? node.prop : node.prop.toLowerCase(); // Custom properties ARE case sensitive
if (isCustomProperty || properties.includes(propName)) {
// Split up combined selectors as they might have different specificity
specificity
.calculate(node.parent.selector)
.forEach(specificityObject => {
const isStyleAttribute =
specificityObject.selector === 'bogusselector';
(rulesByProperty[propName] = rulesByProperty[propName] || []).push({
predicates: getCurrentPredicates(),
selector: isStyleAttribute
? undefined
: specificityObject.selector.trim(),
specificityArray: isStyleAttribute
? [1, 0, 0, 0]
: specificityObject.specificityArray,
prop: propName,
value: node.value,
important: !!node.important
});
parseSelector(resolvedSelector, result, rule, (selectorTree) => {
// Check if the selector specificity exceeds the allowed maximum
if (
specificity.compare(maxChildSpecificity(selectorTree), maxSpecificityArray) === 1
) {
report({
ruleName,
result,
node: rule,
message: messages.expected(resolvedSelector, max),
word: selector,
});
}
});
} catch (e) {
var selectorItemsSorted = stable(selectorItemsPseudoClasses, function (itemA, itemB) {
return specificity.compare(itemA.selectorStr, itemB.selectorStr);
}).reverse(); // last declaration applies last (final)
node.reduce((max, child) => {
const childSpecificity = nodeSpecificity(child); // eslint-disable-line no-use-before-define
return specificity.compare(childSpecificity, max) === 1 ? childSpecificity : max;
}, zeroSpecificity());
var specSum = function(selector){
var specs = specificity.calculate(selector)[0].specificity.split(',');
var sum = (parseInt(specs[0])*1000) + (parseInt(specs[1])*100) + (parseInt(specs[2])*10) + (parseInt(specs[3]));
return sum;
};
function getRange(node) {
if (isScope(node)) {
return node.nodes
.map(getRange)
.reduce(reduceRanges);
} else if (node.type === 'rule') {
return specificity.calculate(node.selector)
.map(result => {
return result.specificity.split(',').map(v => Number(v));
})
.reduce(reduceRange, Object.assign({}, DEFAULT_RANGE));
}
return null;
}
Object.keys(styleObj).sort((a, b) => {
const aArray = a.split('~');
const bArray = b.split('~');
return specificity.compare(aArray[0], bArray[0]) ||
parseFloat(aArray[1]) - parseFloat(bArray[1]) ||
parseFloat(aArray[2]) - parseFloat(bArray[2]) ||
aArray.length - bArray.length ||
parseFloat(aArray[3]) - parseFloat(bArray[3]);
}).forEach(key => {
style += styleObj[key];
constructor(key: string, scope: RuleScope, root: postcss.Root, selectorContext: ParsedSelector | undefined) {
this.key = key;
this.scopes = [scope];
this.root = root;
this.selectorContext = selectorContext;
this.declarationMap = new Dictionary>();
this.authoredProps = new Set();
this.declarationInfos = new Set();
let specificitySelector = selectorContext &&
selectorContext.toContext(selectorParser.className({ value: "foo" }));
this.specificity = specificitySelector &&
specificity.calculate(specificitySelector.toString())[0];
}
.unique.map(({value, count}) => {
const [a, b, c, d] = calculate(value).shift().specificityArray
return {
count,
value,
specificity: {a, b, c, d}
}
})
.sort((a, b) => compare(b.value, a.value))