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 384x 384x 2x 2x 2x 2x 112x 92x 92x 2x 2x 170x 4x 4x 2x 2x 1305x 212x 212x 212x 212x 1305x 1305x 2x 2x 1287x 28x 1287x 1259x 1259x 1287x 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();
		}
	}
};