Removed unneeded code and HTML templates
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WolverinDEV
parent
32b4ea710b
commit
7663689a09
2 changed files with 2 additions and 1100 deletions
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@ -1,142 +0,0 @@
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import {config, critical_error, SourcePath} from "./loader";
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import {load_parallel, LoadCallback, LoadSyntaxError, ParallelOptions, script_name} from "./utils";
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let _style_promises: {[key: string]: Promise<void>} = {};
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function load_style_url(url: string) : Promise<void> {
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if(typeof _style_promises[url] === "object")
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return _style_promises[url];
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return (_style_promises[url] = new Promise((resolve, reject) => {
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const tag: HTMLLinkElement = document.createElement("link");
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let error = false;
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const error_handler = (event: ErrorEvent) => {
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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);
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if(event.filename == tag.href) { //FIXME!
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window.removeEventListener('error', error_handler as any);
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reject(new SyntaxError(event.error));
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event.preventDefault();
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error = true;
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}
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};
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window.addEventListener('error', error_handler as any);
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tag.type = "text/css";
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tag.rel = "stylesheet";
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const cleanup = () => {
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tag.onerror = undefined;
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tag.onload = undefined;
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clearTimeout(timeout_handle);
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window.removeEventListener('error', error_handler as any);
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};
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const timeout_handle = setTimeout(() => {
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cleanup();
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reject("timeout");
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}, 5000);
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tag.onerror = error => {
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cleanup();
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tag.remove();
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if(config.error)
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console.error("File load error for file %s: %o", url, error);
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reject("failed to load file " + url);
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};
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tag.onload = () => {
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cleanup();
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{
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const css: CSSStyleSheet = tag.sheet as CSSStyleSheet;
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const rules = css.cssRules;
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const rules_remove: number[] = [];
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const rules_add: string[] = [];
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for(let index = 0; index < rules.length; index++) {
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const rule = rules.item(index);
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let rule_text = rule.cssText;
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if(rule.cssText.indexOf("%%base_path%%") != -1) {
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rules_remove.push(index);
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rules_add.push(rule_text.replace("%%base_path%%", document.location.origin + document.location.pathname));
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}
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}
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for(const index of rules_remove.sort((a, b) => b > a ? 1 : 0)) {
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if(css.removeRule)
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css.removeRule(index);
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else
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css.deleteRule(index);
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}
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for(const rule of rules_add)
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css.insertRule(rule, rules_remove[0]);
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}
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if(config.verbose) console.debug("Style sheet %o loaded", url);
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setTimeout(resolve, 100);
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};
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document.getElementById("style").appendChild(tag);
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tag.href = config.baseUrl + url;
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})).then(result => {
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/* cleanup memory */
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_style_promises[url] = Promise.resolve(); /* this promise does not holds the whole script tag and other memory */
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return _style_promises[url];
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}).catch(error => {
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/* cleanup memory */
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_style_promises[url] = Promise.reject(error); /* this promise does not holds the whole script tag and other memory */
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return _style_promises[url];
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});
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}
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export interface Options {
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cache_tag?: string;
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}
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export async function load(path: SourcePath, options: Options) : Promise<void> {
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if(Array.isArray(path)) { //We have fallback scripts
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return load(path[0], options).catch(error => {
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if(error instanceof LoadSyntaxError)
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return Promise.reject(error);
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if(path.length > 1)
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return load(path.slice(1), options);
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return Promise.reject(error);
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});
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} else {
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const source = typeof(path) === "string" ? {url: path, depends: []} : path;
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if(source.url.length == 0) return Promise.resolve();
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/* await depends */
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for(const depend of source.depends) {
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if(!_style_promises[depend])
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throw "Missing dependency " + depend;
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await _style_promises[depend];
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}
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await load_style_url(source.url + (options.cache_tag || ""));
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}
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}
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export type MultipleOptions = Options | ParallelOptions;
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export async function load_multiple(paths: SourcePath[], options: MultipleOptions, callback?: LoadCallback<SourcePath>) : Promise<void> {
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const result = await load_parallel<SourcePath>(paths, e => load(e, options), e => script_name(e, false), options, callback);
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if(result.failed.length > 0) {
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if(config.error) {
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console.error("Failed to load the following style sheets:");
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for(const style of result.failed) {
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const sname = script_name(style.request, false);
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if(style.error instanceof LoadSyntaxError) {
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console.log(" - %s: %o", sname, style.error.source);
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} else {
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console.log(" - %s: %o", sname, style.error);
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}
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}
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}
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critical_error("Failed to load style " + script_name(result.failed[0].request, true) + " <br>" + "View the browser console for more information!");
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throw "failed to load style " + script_name(result.failed[0].request, false);
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}
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}
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