72 lines
No EOL
2.5 KiB
TypeScript
72 lines
No EOL
2.5 KiB
TypeScript
import {config, critical_error, loaderPerformance, SourcePath} from "./loader";
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import {executeParallelLoad, LoadCallback, LoadSyntaxError, ParallelOptions} from "./Utils";
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export function loadStyle(path: SourcePath) : Promise<void> {
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const givenTimeout = 120 * 1000;
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const resourceRequest = loaderPerformance.logResourceRequest("script", path);
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resourceRequest.markEnqueue();
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return new Promise((resolve, reject) => {
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const linkTag = document.createElement("link");
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linkTag.type = "text/css";
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linkTag.rel = "stylesheet";
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linkTag.href = config.baseUrl + path;
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const cleanup = () => {
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linkTag.onerror = undefined;
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linkTag.onload = undefined;
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clearTimeout(timeoutHandle);
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};
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const errorCleanup = () => {
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linkTag.remove();
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cleanup();
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};
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const timeoutHandle = setTimeout(() => {
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resourceRequest.markExecuted({ status: "timeout", givenTimeout: givenTimeout });
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cleanup();
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reject("timeout");
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}, givenTimeout);
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/* TODO: Test if on syntax error the parameters contain extra info */
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linkTag.onerror = () => {
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resourceRequest.markExecuted({ status: "error-event" });
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errorCleanup();
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reject();
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};
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linkTag.onload = () => {
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resourceRequest.markExecuted({ status: "success" });
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cleanup();
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resolve();
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};
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document.head.appendChild(linkTag);
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resourceRequest.markExecuting();
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});
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}
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export type MultipleOptions = ParallelOptions;
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export async function loadStyles(paths: SourcePath[], options: MultipleOptions, callback?: LoadCallback<SourcePath>) : Promise<void> {
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const result = await executeParallelLoad<SourcePath>(paths, e => loadStyle(e), e => e, 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 = style.request;
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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 <code>" + result.failed[0].request + "</code><br>" + "View the browser console for more information!");
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throw "failed to load style " + result.failed[0].request;
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}
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} |