@mapbox/mapbox-gl-style-spec
Version:
a specification for mapbox gl styles
28 lines (23 loc) • 998 B
text/typescript
export default class Collator {
locale: string | null;
sensitivity: 'base' | 'accent' | 'case' | 'variant';
collator: Intl.Collator;
constructor(caseSensitive: boolean, diacriticSensitive: boolean, locale: string | null) {
if (caseSensitive)
this.sensitivity = diacriticSensitive ? 'variant' : 'case';
else
this.sensitivity = diacriticSensitive ? 'accent' : 'base';
this.locale = locale;
this.collator = new Intl.Collator(this.locale ? this.locale : [],
{sensitivity: this.sensitivity, usage: 'search'});
}
compare(lhs: string, rhs: string): number {
return this.collator.compare(lhs, rhs);
}
resolvedLocale(): string {
// We create a Collator without "usage: search" because we don't want
// the search options encoded in our result (e.g. "en-u-co-search")
return new Intl.Collator(this.locale ? this.locale : [])
.resolvedOptions().locale;
}
}