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l0ng-ai
6bf1794ed6
Failures while the app loads left only the splash, with nothing to report. Handlers in public/boot.js now load before the module graph and replace the splash with an error page with copyable diagnostics and a report link, for module load errors, rejected startup, initial render errors and a 30-second timeout. A successful start cancels the timer. The production build also rejects selected newer startup APIs and unsupported regex and import syntax. The original macOS 11 trigger remains unconfirmed. Refs #2008
90 lines
3.6 KiB
TypeScript
90 lines
3.6 KiB
TypeScript
import { readFileSync, readdirSync } from "node:fs";
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import { dirname, resolve } from "node:path";
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import { pathToFileURL } from "node:url";
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import ts from "typescript";
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// macOS 11 can update to Safari 16. Keep this floor in sync with vite.config.ts.
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// Syntax lowering does not replace newer runtime APIs in dependencies.
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const newerStatics = new Set([
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"Promise.withResolvers",
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"Object.groupBy",
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"Map.groupBy",
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"Array.fromAsync",
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"Atomics.waitAsync",
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"CSS.registerProperty",
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"Uint8Array.fromBase64",
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"Uint8Array.fromHex",
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]);
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const newerMethods = new Set(["isWellFormed", "toWellFormed"]);
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export function checkSource(source: string, startup: boolean): string[] {
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const tree = ts.createSourceFile("bundle.js", source, ts.ScriptTarget.Latest, true, ts.ScriptKind.JS);
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const errors = new Set<string>();
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const checkRegex = (pattern: string, flags: string) => {
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if (flags.includes("v")) errors.add("RegExp v flag requires Safari 17");
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if (/\(\?<([=!])/.test(pattern)) errors.add("RegExp lookbehind requires Safari 16.4");
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};
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const walk = (node: ts.Node) => {
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if (ts.isRegularExpressionLiteral(node)) {
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const end = node.text.lastIndexOf("/");
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checkRegex(node.text.slice(1, end), node.text.slice(end + 1));
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}
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if ((ts.isImportDeclaration(node) || ts.isExportDeclaration(node)) && node.attributes) {
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errors.add("Import attributes require newer WebKit");
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}
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if (startup && ts.isPropertyAccessExpression(node)) {
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const name = node.getText(tree);
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if (newerStatics.has(name) || newerMethods.has(node.name.text)) errors.add(`${name} requires newer WebKit`);
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}
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if (
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startup &&
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(ts.isNewExpression(node) || ts.isCallExpression(node)) &&
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node.expression.getText(tree) === "RegExp" &&
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node.arguments?.[0] &&
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ts.isStringLiteralLike(node.arguments[0])
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) {
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const flags = node.arguments[1];
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checkRegex(node.arguments[0].text, flags && ts.isStringLiteralLike(flags) ? flags.text : "");
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}
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ts.forEachChild(node, walk);
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};
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walk(tree);
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return [...errors];
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}
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export function checkBuild(dir: string): string[] {
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const entry = readFileSync(resolve(dir, "index.html"), "utf8").match(/<script type="module"[^>]*src="([^"]+)"/);
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if (!entry?.[1]) throw new Error("Production entry script was not found");
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const startup = new Set<string>();
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const visit = (file: string) => {
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if (startup.has(file)) return;
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startup.add(file);
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const source = readFileSync(file, "utf8");
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const tree = ts.createSourceFile(file, source, ts.ScriptTarget.Latest, true, ts.ScriptKind.JS);
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for (const node of tree.statements) {
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if (
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(ts.isImportDeclaration(node) || ts.isExportDeclaration(node)) &&
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node.moduleSpecifier &&
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ts.isStringLiteral(node.moduleSpecifier)
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) {
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visit(resolve(dirname(file), node.moduleSpecifier.text));
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}
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}
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};
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visit(resolve(dir, entry[1].replace(/^\//, "")));
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startup.add(resolve(dir, "boot.js"));
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const errors: string[] = [];
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for (const file of readdirSync(dir, { recursive: true, encoding: "utf8" })) {
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if (!file.endsWith(".js")) continue;
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const path = resolve(dir, file);
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for (const error of checkSource(readFileSync(path, "utf8"), startup.has(path))) errors.push(`${file}: ${error}`);
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}
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return errors;
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}
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if (process.argv[1] && import.meta.url === pathToFileURL(resolve(process.argv[1])).href) {
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const errors = checkBuild(resolve("dist"));
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if (errors.length) throw new Error(`Safari 16 compatibility check failed:\n${errors.join("\n")}`);
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console.log("Safari 16 startup API and bundle syntax checks passed");
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}
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