init project

node_modules/hono/dist/jsx/context.js

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+// src/jsx/context.ts
+import { raw } from "../helper/html/index.js";
+import { JSXFragmentNode } from "./base.js";
+import { DOM_RENDERER } from "./constants.js";
+import { createContextProviderFunction } from "./dom/context.js";
+var globalContexts = [];
+var alsProbed = false;
+var asyncLocalStorage;
+var fallbackStore;
+var fallbackRendersInFlight = 0;
+var warnedFallbackDefault = false;
+var loadAsyncLocalStorage = () => {
+  if (alsProbed) {
+    return asyncLocalStorage;
+  }
+  alsProbed = true;
+  const global = globalThis;
+  let AsyncLocalStorage;
+  for (const probe of [
+    // Node.js >= 20.16, Deno, Bun, Cloudflare Workers (nodejs_compat). Property
+    // access only, so bundlers don't statically resolve `node:async_hooks`.
+    () => global.process?.getBuiltinModule?.("node:async_hooks")?.AsyncLocalStorage,
+    // Node.js < 20.16 has no `process.getBuiltinModule`, but a CJS entrypoint
+    // exposes the main module's `require` here.
+    () => global.process?.mainModule?.require?.("node:async_hooks")?.AsyncLocalStorage
+  ]) {
+    try {
+      AsyncLocalStorage = probe();
+    } catch {
+    }
+    if (AsyncLocalStorage) {
+      break;
+    }
+  }
+  if (AsyncLocalStorage) {
+    asyncLocalStorage = new AsyncLocalStorage();
+  }
+  return asyncLocalStorage;
+};
+var getCurrentStore = () => {
+  return loadAsyncLocalStorage()?.getStore() || fallbackStore;
+};
+var warnIfStorelessAccess = () => {
+  if (fallbackRendersInFlight > 0 && !warnedFallbackDefault) {
+    warnedFallbackDefault = true;
+    console.warn(
+      "hono/jsx: AsyncLocalStorage is unavailable in this runtime, so useContext() after an await in an async component falls back to the context default value during server-side rendering. To get provided values across await boundaries, use a runtime with AsyncLocalStorage (Node.js >= 20.16, Deno, Bun, or Cloudflare Workers with the nodejs_compat flag)."
+    );
+  }
+};
+var getContextValuesIn = (store, context) => {
+  if (!store) {
+    warnIfStorelessAccess();
+    return context.values;
+  }
+  let values = store.get(context);
+  if (!values) {
+    values = [context.values[0]];
+    store.set(context, values);
+  }
+  return values;
+};
+var readContextValueIn = (store, context) => {
+  if (!store) {
+    warnIfStorelessAccess();
+    return context.values.at(-1);
+  }
+  const values = store.get(context);
+  return values?.length ? values.at(-1) : context.values[0];
+};
+var captureContextValues = (store) => (store ? globalContexts.filter((c) => store.has(c)) : globalContexts).map((c) => [
+  c,
+  readContextValueIn(store, c)
+]);
+var resumeWithContextValues = (callback, store, contexts) => runWithRenderContext(() => {
+  const currentStore = getCurrentStore();
+  const valuesPerContext = contexts.map(([context, value]) => {
+    const values = getContextValuesIn(currentStore, context);
+    values.push(value);
+    return values;
+  });
+  const popContextValues = () => {
+    valuesPerContext.forEach((values) => {
+      values.pop();
+    });
+  };
+  try {
+    const result = callback();
+    if (result instanceof Promise) {
+      return result.finally(popContextValues);
+    }
+    popContextValues();
+    return result;
+  } catch (e) {
+    popContextValues();
+    throw e;
+  }
+}, store);
+var runWithRenderContext = (callback, resumeStore) => {
+  if (getCurrentStore()) {
+    return callback();
+  }
+  const store = resumeStore ?? /* @__PURE__ */ new WeakMap();
+  const storage = loadAsyncLocalStorage();
+  if (storage) {
+    return storage.run(store, callback);
+  }
+  fallbackStore = store;
+  let result;
+  try {
+    result = callback();
+  } finally {
+    fallbackStore = void 0;
+  }
+  if (!warnedFallbackDefault && result instanceof Promise) {
+    fallbackRendersInFlight++;
+    result = result.finally(() => {
+      fallbackRendersInFlight--;
+    });
+  }
+  return result;
+};
+var captureRenderContext = () => {
+  const store = getCurrentStore();
+  const contexts = captureContextValues(store);
+  return (callback) => resumeWithContextValues(callback, store, contexts);
+};
+var createContext = (defaultValue) => {
+  const values = [defaultValue];
+  const context = ((props) => {
+    const contextValues = getContextValuesIn(getCurrentStore(), context);
+    contextValues.push(props.value);
+    let string;
+    try {
+      string = props.children ? (Array.isArray(props.children) ? new JSXFragmentNode("", {}, props.children) : props.children).toString() : "";
+    } catch (e) {
+      contextValues.pop();
+      throw e;
+    }
+    if (string instanceof Promise) {
+      return string.finally(() => contextValues.pop()).then((resString) => raw(resString, resString.callbacks));
+    } else {
+      contextValues.pop();
+      return raw(string);
+    }
+  });
+  context.values = values;
+  context.Provider = context;
+  context[DOM_RENDERER] = createContextProviderFunction(values);
+  globalContexts.push(context);
+  return context;
+};
+var useContext = (context) => {
+  return readContextValueIn(getCurrentStore(), context);
+};
+export {
+  captureRenderContext,
+  createContext,
+  globalContexts,
+  runWithRenderContext,
+  useContext
+};