Removed unneeded code and HTML templates

loader/app/loader/style_loader.ts

@@ -1,142 +0,0 @@
-import {config, critical_error, SourcePath} from "./loader";
-import {load_parallel, LoadCallback, LoadSyntaxError, ParallelOptions, script_name} from "./utils";
-
-let _style_promises: {[key: string]: Promise<void>} = {};
-
-function load_style_url(url: string) : Promise<void> {
-    if(typeof _style_promises[url] === "object")
-        return _style_promises[url];
-
-    return (_style_promises[url] = new Promise((resolve, reject) => {
-        const tag: HTMLLinkElement = document.createElement("link");
-
-        let error = false;
-        const error_handler = (event: ErrorEvent) => {
-            if(config.verbose) console.log("msg: %o, url: %o, line: %o, col: %o, error: %o", event.message, event.filename, event.lineno, event.colno, event.error);
-            if(event.filename == tag.href) { //FIXME!
-                window.removeEventListener('error', error_handler as any);
-
-                reject(new SyntaxError(event.error));
-                event.preventDefault();
-                error = true;
-            }
-        };
-        window.addEventListener('error', error_handler as any);
-
-        tag.type = "text/css";
-        tag.rel = "stylesheet";
-
-        const cleanup = () => {
-            tag.onerror = undefined;
-            tag.onload = undefined;
-
-            clearTimeout(timeout_handle);
-            window.removeEventListener('error', error_handler as any);
-        };
-
-        const timeout_handle = setTimeout(() => {
-            cleanup();
-            reject("timeout");
-        }, 5000);
-
-        tag.onerror = error => {
-            cleanup();
-            tag.remove();
-            if(config.error)
-                console.error("File load error for file %s: %o", url, error);
-            reject("failed to load file " + url);
-        };
-        tag.onload = () => {
-            cleanup();
-            {
-                const css: CSSStyleSheet = tag.sheet as CSSStyleSheet;
-                const rules = css.cssRules;
-                const rules_remove: number[] = [];
-                const rules_add: string[] = [];
-
-                for(let index = 0; index < rules.length; index++) {
-                    const rule = rules.item(index);
-                    let rule_text = rule.cssText;
-
-                    if(rule.cssText.indexOf("%%base_path%%") != -1) {
-                        rules_remove.push(index);
-                        rules_add.push(rule_text.replace("%%base_path%%", document.location.origin + document.location.pathname));
-                    }
-                }
-
-                for(const index of rules_remove.sort((a, b) => b > a ? 1 : 0)) {
-                    if(css.removeRule)
-                        css.removeRule(index);
-                    else
-                        css.deleteRule(index);
-                }
-                for(const rule of rules_add)
-                    css.insertRule(rule, rules_remove[0]);
-            }
-
-            if(config.verbose) console.debug("Style sheet %o loaded", url);
-            setTimeout(resolve, 100);
-        };
-
-        document.getElementById("style").appendChild(tag);
-        tag.href = config.baseUrl + url;
-    })).then(result => {
-        /* cleanup memory */
-        _style_promises[url] = Promise.resolve(); /* this promise does not holds the whole script tag and other memory */
-        return _style_promises[url];
-    }).catch(error => {
-        /* cleanup memory */
-        _style_promises[url] = Promise.reject(error); /* this promise does not holds the whole script tag and other memory */
-        return _style_promises[url];
-    });
-}
-
-export interface Options {
-    cache_tag?: string;
-}
-
-export async function load(path: SourcePath, options: Options) : Promise<void> {
-    if(Array.isArray(path)) { //We have fallback scripts
-        return load(path[0], options).catch(error => {
-            if(error instanceof LoadSyntaxError)
-                return Promise.reject(error);
-
-            if(path.length > 1)
-                return load(path.slice(1), options);
-
-            return Promise.reject(error);
-        });
-    } else {
-        const source = typeof(path) === "string" ? {url: path, depends: []} : path;
-        if(source.url.length == 0) return Promise.resolve();
-
-        /* await depends */
-        for(const depend of source.depends) {
-            if(!_style_promises[depend])
-                throw "Missing dependency " + depend;
-            await _style_promises[depend];
-        }
-        await load_style_url(source.url + (options.cache_tag || ""));
-    }
-}
-
-export type MultipleOptions = Options | ParallelOptions;
-export async function load_multiple(paths: SourcePath[], options: MultipleOptions, callback?: LoadCallback<SourcePath>) : Promise<void> {
-    const result = await load_parallel<SourcePath>(paths, e => load(e, options), e => script_name(e, false), options, callback);
-    if(result.failed.length > 0) {
-        if(config.error) {
-            console.error("Failed to load the following style sheets:");
-            for(const style of result.failed) {
-                const sname = script_name(style.request, false);
-                if(style.error instanceof LoadSyntaxError) {
-                    console.log(" - %s: %o", sname, style.error.source);
-                } else {
-                    console.log(" - %s: %o", sname, style.error);
-                }
-            }
-        }
-
-        critical_error("Failed to load style " + script_name(result.failed[0].request, true) + " <br>" + "View the browser console for more information!");
-        throw "failed to load style " + script_name(result.failed[0].request, false);
-    }
-}