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- {"ast":null,"code":"function promisifyRequest(request) {\n return new Promise((resolve, reject) => {\n // @ts-ignore - file size hacks\n request.oncomplete = request.onsuccess = () => resolve(request.result);\n // @ts-ignore - file size hacks\n request.onabort = request.onerror = () => reject(request.error);\n });\n}\nfunction createStore(dbName, storeName) {\n const request = indexedDB.open(dbName);\n request.onupgradeneeded = () => request.result.createObjectStore(storeName);\n const dbp = promisifyRequest(request);\n return (txMode, callback) => dbp.then(db => callback(db.transaction(storeName, txMode).objectStore(storeName)));\n}\nlet defaultGetStoreFunc;\nfunction defaultGetStore() {\n if (!defaultGetStoreFunc) {\n defaultGetStoreFunc = createStore('keyval-store', 'keyval');\n }\n return defaultGetStoreFunc;\n}\n/**\n * Get a value by its key.\n *\n * @param key\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction get(key, customStore = defaultGetStore()) {\n return customStore('readonly', store => promisifyRequest(store.get(key)));\n}\n/**\n * Set a value with a key.\n *\n * @param key\n * @param value\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction set(key, value, customStore = defaultGetStore()) {\n return customStore('readwrite', store => {\n store.put(value, key);\n return promisifyRequest(store.transaction);\n });\n}\n/**\n * Set multiple values at once. This is faster than calling set() multiple times.\n * It's also atomic – if one of the pairs can't be added, none will be added.\n *\n * @param entries Array of entries, where each entry is an array of `[key, value]`.\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction setMany(entries, customStore = defaultGetStore()) {\n return customStore('readwrite', store => {\n entries.forEach(entry => store.put(entry[1], entry[0]));\n return promisifyRequest(store.transaction);\n });\n}\n/**\n * Get multiple values by their keys\n *\n * @param keys\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction getMany(keys, customStore = defaultGetStore()) {\n return customStore('readonly', store => Promise.all(keys.map(key => promisifyRequest(store.get(key)))));\n}\n/**\n * Update a value. This lets you see the old value and update it as an atomic operation.\n *\n * @param key\n * @param updater A callback that takes the old value and returns a new value.\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction update(key, updater, customStore = defaultGetStore()) {\n return customStore('readwrite', store =>\n // Need to create the promise manually.\n // If I try to chain promises, the transaction closes in browsers\n // that use a promise polyfill (IE10/11).\n new Promise((resolve, reject) => {\n store.get(key).onsuccess = function () {\n try {\n store.put(updater(this.result), key);\n resolve(promisifyRequest(store.transaction));\n } catch (err) {\n reject(err);\n }\n };\n }));\n}\n/**\n * Delete a particular key from the store.\n *\n * @param key\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction del(key, customStore = defaultGetStore()) {\n return customStore('readwrite', store => {\n store.delete(key);\n return promisifyRequest(store.transaction);\n });\n}\n/**\n * Delete multiple keys at once.\n *\n * @param keys List of keys to delete.\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction delMany(keys, customStore = defaultGetStore()) {\n return customStore('readwrite', store => {\n keys.forEach(key => store.delete(key));\n return promisifyRequest(store.transaction);\n });\n}\n/**\n * Clear all values in the store.\n *\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction clear(customStore = defaultGetStore()) {\n return customStore('readwrite', store => {\n store.clear();\n return promisifyRequest(store.transaction);\n });\n}\nfunction eachCursor(store, callback) {\n store.openCursor().onsuccess = function () {\n if (!this.result) return;\n callback(this.result);\n this.result.continue();\n };\n return promisifyRequest(store.transaction);\n}\n/**\n * Get all keys in the store.\n *\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction keys(customStore = defaultGetStore()) {\n return customStore('readonly', store => {\n // Fast path for modern browsers\n if (store.getAllKeys) {\n return promisifyRequest(store.getAllKeys());\n }\n const items = [];\n return eachCursor(store, cursor => items.push(cursor.key)).then(() => items);\n });\n}\n/**\n * Get all values in the store.\n *\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction values(customStore = defaultGetStore()) {\n return customStore('readonly', store => {\n // Fast path for modern browsers\n if (store.getAll) {\n return promisifyRequest(store.getAll());\n }\n const items = [];\n return eachCursor(store, cursor => items.push(cursor.value)).then(() => items);\n });\n}\n/**\n * Get all entries in the store. Each entry is an array of `[key, value]`.\n *\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction entries(customStore = defaultGetStore()) {\n return customStore('readonly', store => {\n // Fast path for modern browsers\n // (although, hopefully we'll get a simpler path some day)\n if (store.getAll && store.getAllKeys) {\n return Promise.all([promisifyRequest(store.getAllKeys()), promisifyRequest(store.getAll())]).then(([keys, values]) => keys.map((key, i) => [key, values[i]]));\n }\n const items = [];\n return customStore('readonly', store => eachCursor(store, cursor => items.push([cursor.key, cursor.value])).then(() => items));\n });\n}\nexport { clear, createStore, del, delMany, entries, get, getMany, keys, promisifyRequest, set, setMany, update, values };","map":{"version":3,"names":["promisifyRequest","request","Promise","resolve","reject","oncomplete","onsuccess","result","onabort","onerror","error","createStore","dbName","storeName","indexedDB","open","onupgradeneeded","createObjectStore","dbp","txMode","callback","then","db","transaction","objectStore","defaultGetStoreFunc","defaultGetStore","get","key","customStore","store","set","value","put","setMany","entries","forEach","entry","getMany","keys","all","map","update","updater","err","del","delete","delMany","clear","eachCursor","openCursor","continue","getAllKeys","items","cursor","push","values","getAll","i"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/idb-keyval/dist/index.js"],"sourcesContent":["function promisifyRequest(request) {\n return new Promise((resolve, reject) => {\n // @ts-ignore - file size hacks\n request.oncomplete = request.onsuccess = () => resolve(request.result);\n // @ts-ignore - file size hacks\n request.onabort = request.onerror = () => reject(request.error);\n });\n}\nfunction createStore(dbName, storeName) {\n const request = indexedDB.open(dbName);\n request.onupgradeneeded = () => request.result.createObjectStore(storeName);\n const dbp = promisifyRequest(request);\n return (txMode, callback) => dbp.then((db) => callback(db.transaction(storeName, txMode).objectStore(storeName)));\n}\nlet defaultGetStoreFunc;\nfunction defaultGetStore() {\n if (!defaultGetStoreFunc) {\n defaultGetStoreFunc = createStore('keyval-store', 'keyval');\n }\n return defaultGetStoreFunc;\n}\n/**\n * Get a value by its key.\n *\n * @param key\n * @param customStore Method to get a custom store. 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Use with caution (see the docs).\n */\nfunction update(key, updater, customStore = defaultGetStore()) {\n return customStore('readwrite', (store) => \n // Need to create the promise manually.\n // If I try to chain promises, the transaction closes in browsers\n // that use a promise polyfill (IE10/11).\n new Promise((resolve, reject) => {\n store.get(key).onsuccess = function () {\n try {\n store.put(updater(this.result), key);\n resolve(promisifyRequest(store.transaction));\n }\n catch (err) {\n reject(err);\n }\n };\n }));\n}\n/**\n * Delete a particular key from the store.\n *\n * @param key\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction del(key, customStore = defaultGetStore()) {\n return customStore('readwrite', (store) => {\n store.delete(key);\n return promisifyRequest(store.transaction);\n });\n}\n/**\n * Delete multiple keys at once.\n *\n * @param keys List of keys to delete.\n * @param customStore Method to get a custom store. Use with caution (see the docs).\n */\nfunction delMany(keys, customStore = defaultGetStore()) {\n return customStore('readwrite', (store) => {\n keys.forEach((key) => store.delete(key));\n return promisifyRequest(store.transaction);\n });\n}\n/**\n * Clear all values in the store.\n *\n * @param customStore Method to get a custom store. 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Use with caution (see the docs).\n */\nfunction values(customStore = defaultGetStore()) {\n return customStore('readonly', (store) => {\n // Fast path for modern browsers\n if (store.getAll) {\n return promisifyRequest(store.getAll());\n }\n const items = [];\n return eachCursor(store, (cursor) => items.push(cursor.value)).then(() => items);\n });\n}\n/**\n * Get all entries in the store. Each entry is an array of `[key, value]`.\n *\n * @param customStore Method to get a custom store. 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