// Try to load the file from the map. If not in the map, try to load
// from the fallback loader.
async load(url: ResolvedUrl): Promise<string> {
const file = this.files.get(url);
if (file == null) {
if (this.fallbackLoader) {
if (this.fallbackLoader.canLoad(url)) {
return this.fallbackLoader.load(url);
}
throw new Error(
`${url} not present in file map and fallback loader can not load.`);
}
throw new Error(`${url} not present in file map and no fallback loader.`);
}
return getFileContents(file);
}
// Return true if we can return load the given url.
canLoad(url: ResolvedUrl): boolean {
return !!(
this.files.has(url) ||
this.fallbackLoader && this.fallbackLoader.canLoad(url));
}
// Return true if we can return load the given url.
canLoad(url: string): boolean {
return this.files.has(url) ||
this.fallbackLoader && this.fallbackLoader.canLoad(url);
}