All files / src/compiler/phases/2-analyze/css css-warn.js

100% Statements 45/45
100% Branches 11/11
100% Functions 5/5
100% Lines 42/42

Press n or j to go to the next uncovered block, b, p or k for the previous block.

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 432x 2x 2x 2x 2x 2x 2x 2x 2x 2x 386x 386x 2x 2x 2x 2x 112x 92x 92x 2x 2x 172x 4x 4x 2x 2x 1309x 212x 212x 212x 212x 1309x 1309x 2x 2x 1291x 28x 1291x 1263x 1263x 1291x 2x  
/** @import { Visitors } from 'zimmerframe' */
/** @import { Css } from '#compiler' */
import { walk } from 'zimmerframe';
import * as w from '../../../warnings.js';
import { is_keyframes_node } from '../../css.js';
 
/**
 * @param {Css.StyleSheet} stylesheet
 */
export function warn_unused(stylesheet) {
	walk(stylesheet, { stylesheet }, visitors);
}
 
/** @type {Visitors<Css.Node, { stylesheet: Css.StyleSheet }>} */
const visitors = {
	Atrule(node, context) {
		if (!is_keyframes_node(node)) {
			context.next();
		}
	},
	PseudoClassSelector(node, context) {
		if (node.name === 'is' || node.name === 'where') {
			context.next();
		}
	},
	ComplexSelector(node, context) {
		if (!node.metadata.used) {
			const content = context.state.stylesheet.content;
			const text = content.styles.substring(node.start - content.start, node.end - content.start);
			w.css_unused_selector(node, text);
		}
 
		context.next();
	},
	Rule(node, context) {
		if (node.metadata.is_global_block) {
			context.visit(node.prelude);
		} else {
			context.next();
		}
	}
};