function resolveParsedThemeRules()

in src/theme.ts [169:210]
36 lines of code
9 McCabe index (conditional complexity)

function resolveParsedThemeRules(parsedThemeRules: ParsedThemeRule[], _colorMap: string[] | undefined): Theme {

	// Sort rules lexicographically, and then by index if necessary
	parsedThemeRules.sort((a, b) => {
		let r = strcmp(a.scope, b.scope);
		if (r !== 0) {
			return r;
		}
		r = strArrCmp(a.parentScopes, b.parentScopes);
		if (r !== 0) {
			return r;
		}
		return a.index - b.index;
	});

	// Determine defaults
	let defaultFontStyle = FontStyle.None;
	let defaultForeground = '#000000';
	let defaultBackground = '#ffffff';
	while (parsedThemeRules.length >= 1 && parsedThemeRules[0].scope === '') {
		let incomingDefaults = parsedThemeRules.shift()!;
		if (incomingDefaults.fontStyle !== FontStyle.NotSet) {
			defaultFontStyle = incomingDefaults.fontStyle;
		}
		if (incomingDefaults.foreground !== null) {
			defaultForeground = incomingDefaults.foreground;
		}
		if (incomingDefaults.background !== null) {
			defaultBackground = incomingDefaults.background;
		}
	}
	let colorMap = new ColorMap(_colorMap);
	let defaults = new ThemeTrieElementRule(0, null, defaultFontStyle, colorMap.getId(defaultForeground), colorMap.getId(defaultBackground));

	let root = new ThemeTrieElement(new ThemeTrieElementRule(0, null, FontStyle.NotSet, 0, 0), []);
	for (let i = 0, len = parsedThemeRules.length; i < len; i++) {
		let rule = parsedThemeRules[i];
		root.insert(0, rule.scope, rule.parentScopes, rule.fontStyle, colorMap.getId(rule.foreground), colorMap.getId(rule.background));
	}

	return new Theme(colorMap, defaults, root);
}