- Service Worker

- Indexdb
This commit is contained in:
Paolo Arena
2019-02-02 20:13:06 +01:00
parent 484439efe0
commit 3c6b2c7bef
41 changed files with 762 additions and 755 deletions

View File

@@ -295,7 +295,7 @@
}
// HTTP methods whose capitalization should be normalized
var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT']
var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT', 'PATCH']
function normalizeMethod(method) {
var upcased = method.toUpperCase()

24
src/js/globalenv.js Normal file
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@@ -0,0 +1,24 @@
// importScripts('/statics/js/immortal-db.min.js');
// const cfgenv = {
// website: 'http://localhost:8080',
// serverweb: 'http://localhost:3000',
// dbname: 'mydb3',
// dbversion: 10,
// }
/*
async function clearAllDataImmortal(table) {
console.log('clearAllDataImmortal', table)
const db = ImmortalDB.ImmortalDB
await db.remove(table)
}
async function writeDataImmortal(table, datavalue) {
console.log('writeDataImmortal', table, datavalue)
const db = ImmortalDB.ImmortalDB
await db.set(table, datavalue)
}
*/

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@@ -1,311 +0,0 @@
'use strict';
(function() {
function toArray(arr) {
return Array.prototype.slice.call(arr);
}
function promisifyRequest(request) {
return new Promise(function(resolve, reject) {
request.onsuccess = function() {
resolve(request.result);
};
request.onerror = function() {
reject(request.error);
};
});
}
function promisifyRequestCall(obj, method, args) {
var request;
var p = new Promise(function(resolve, reject) {
request = obj[method].apply(obj, args);
promisifyRequest(request).then(resolve, reject);
});
p.request = request;
return p;
}
function promisifyCursorRequestCall(obj, method, args) {
var p = promisifyRequestCall(obj, method, args);
return p.then(function(value) {
if (!value) return;
return new Cursor(value, p.request);
});
}
function proxyProperties(ProxyClass, targetProp, properties) {
properties.forEach(function(prop) {
Object.defineProperty(ProxyClass.prototype, prop, {
get: function() {
return this[targetProp][prop];
},
set: function(val) {
this[targetProp][prop] = val;
}
});
});
}
function proxyRequestMethods(ProxyClass, targetProp, Constructor, properties) {
properties.forEach(function(prop) {
if (!(prop in Constructor.prototype)) return;
ProxyClass.prototype[prop] = function() {
return promisifyRequestCall(this[targetProp], prop, arguments);
};
});
}
function proxyMethods(ProxyClass, targetProp, Constructor, properties) {
properties.forEach(function(prop) {
if (!(prop in Constructor.prototype)) return;
ProxyClass.prototype[prop] = function() {
return this[targetProp][prop].apply(this[targetProp], arguments);
};
});
}
function proxyCursorRequestMethods(ProxyClass, targetProp, Constructor, properties) {
properties.forEach(function(prop) {
if (!(prop in Constructor.prototype)) return;
ProxyClass.prototype[prop] = function() {
return promisifyCursorRequestCall(this[targetProp], prop, arguments);
};
});
}
function Index(index) {
this._index = index;
}
proxyProperties(Index, '_index', [
'name',
'keyPath',
'multiEntry',
'unique'
]);
proxyRequestMethods(Index, '_index', IDBIndex, [
'get',
'getKey',
'getAll',
'getAllKeys',
'count'
]);
proxyCursorRequestMethods(Index, '_index', IDBIndex, [
'openCursor',
'openKeyCursor'
]);
function Cursor(cursor, request) {
this._cursor = cursor;
this._request = request;
}
proxyProperties(Cursor, '_cursor', [
'direction',
'key',
'primaryKey',
'value'
]);
proxyRequestMethods(Cursor, '_cursor', IDBCursor, [
'update',
'delete'
]);
// proxy 'next' methods
['advance', 'continue', 'continuePrimaryKey'].forEach(function(methodName) {
if (!(methodName in IDBCursor.prototype)) return;
Cursor.prototype[methodName] = function() {
var cursor = this;
var args = arguments;
return Promise.resolve().then(function() {
cursor._cursor[methodName].apply(cursor._cursor, args);
return promisifyRequest(cursor._request).then(function(value) {
if (!value) return;
return new Cursor(value, cursor._request);
});
});
};
});
function ObjectStore(store) {
this._store = store;
}
ObjectStore.prototype.createIndex = function() {
return new Index(this._store.createIndex.apply(this._store, arguments));
};
ObjectStore.prototype.index = function() {
return new Index(this._store.index.apply(this._store, arguments));
};
proxyProperties(ObjectStore, '_store', [
'name',
'keyPath',
'indexNames',
'autoIncrement'
]);
proxyRequestMethods(ObjectStore, '_store', IDBObjectStore, [
'put',
'add',
'delete',
'clear',
'get',
'getAll',
'getKey',
'getAllKeys',
'count'
]);
proxyCursorRequestMethods(ObjectStore, '_store', IDBObjectStore, [
'openCursor',
'openKeyCursor'
]);
proxyMethods(ObjectStore, '_store', IDBObjectStore, [
'deleteIndex'
]);
function Transaction(idbTransaction) {
this._tx = idbTransaction;
this.complete = new Promise(function(resolve, reject) {
idbTransaction.oncomplete = function() {
resolve();
};
idbTransaction.onerror = function() {
reject(idbTransaction.error);
};
idbTransaction.onabort = function() {
reject(idbTransaction.error);
};
});
}
Transaction.prototype.objectStore = function() {
return new ObjectStore(this._tx.objectStore.apply(this._tx, arguments));
};
proxyProperties(Transaction, '_tx', [
'objectStoreNames',
'mode'
]);
proxyMethods(Transaction, '_tx', IDBTransaction, [
'abort'
]);
function UpgradeDB(db, oldVersion, transaction) {
this._db = db;
this.oldVersion = oldVersion;
this.transaction = new Transaction(transaction);
}
UpgradeDB.prototype.createObjectStore = function() {
return new ObjectStore(this._db.createObjectStore.apply(this._db, arguments));
};
proxyProperties(UpgradeDB, '_db', [
'name',
'version',
'objectStoreNames'
]);
proxyMethods(UpgradeDB, '_db', IDBDatabase, [
'deleteObjectStore',
'close'
]);
function DB(db) {
this._db = db;
}
DB.prototype.transaction = function() {
return new Transaction(this._db.transaction.apply(this._db, arguments));
};
proxyProperties(DB, '_db', [
'name',
'version',
'objectStoreNames'
]);
proxyMethods(DB, '_db', IDBDatabase, [
'close'
]);
// Add cursor iterators
// TODO: remove this once browsers do the right thing with promises
['openCursor', 'openKeyCursor'].forEach(function(funcName) {
[ObjectStore, Index].forEach(function(Constructor) {
Constructor.prototype[funcName.replace('open', 'iterate')] = function() {
var args = toArray(arguments);
var callback = args[args.length - 1];
var nativeObject = this._store || this._index;
var request = nativeObject[funcName].apply(nativeObject, args.slice(0, -1));
request.onsuccess = function() {
callback(request.result);
};
};
});
});
// polyfill getAll
[Index, ObjectStore].forEach(function(Constructor) {
if (Constructor.prototype.getAll) return;
Constructor.prototype.getAll = function(query, count) {
var instance = this;
var items = [];
return new Promise(function(resolve) {
instance.iterateCursor(query, function(cursor) {
if (!cursor) {
resolve(items);
return;
}
items.push(cursor.value);
if (count !== undefined && items.length == count) {
resolve(items);
return;
}
cursor.continue();
});
});
};
});
var exp = {
open: function(name, version, upgradeCallback) {
var p = promisifyRequestCall(indexedDB, 'open', [name, version]);
var request = p.request;
request.onupgradeneeded = function(event) {
if (upgradeCallback) {
upgradeCallback(new UpgradeDB(request.result, event.oldVersion, request.transaction));
}
};
return p.then(function(db) {
return new DB(db);
});
},
delete: function(name) {
return promisifyRequestCall(indexedDB, 'deleteDatabase', [name]);
}
};
if (typeof module !== 'undefined') {
module.exports = exp;
module.exports.default = module.exports;
}
else {
self.idb = exp;
}
}());

8
src/js/immortal-db.min.js vendored Normal file

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112
src/js/storage.js Normal file
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@@ -0,0 +1,112 @@
import { rescodes } from "../store/Modules/rescodes";
export let idbKeyval = (() => {
let db;
function getDB() {
if (!db) {
console.log('CREO DB STORAGE JS !')
db = new Promise((resolve, reject) => {
const openreq = indexedDB.open('mydb3', 11);
openreq.onerror = () => {
reject(openreq.error);
};
openreq.onupgradeneeded = () => {
// First time setup: create an empty object store
openreq.result.createObjectStore('todos', { keyPath: '_id' });
openreq.result.createObjectStore('sync_todos', { keyPath: '_id' });
openreq.result.createObjectStore('delete_todos', { keyPath: '_id' });
openreq.result.createObjectStore('config', { keyPath: '_id' });
};
openreq.onsuccess = () => {
resolve(openreq.result);
};
});
}
return db;
}
async function withStore(type, table, callback, ) {
const db = await getDB();
return new Promise((resolve, reject) => {
const transaction = db.transaction(table, type);
transaction.oncomplete = () => resolve();
transaction.onerror = () => reject(transaction.error);
callback(transaction.objectStore(table));
});
}
return {
async get(key) {
let req;
await withStore('readonly', 'keyval', store => {
req = store.get(key);
});
return req.result;
},
async getdata(table, key) {
let req;
await withStore('readonly', table, store => {
console.log('store', store, 'key', key)
req = store.get(key);
});
console.log('RISFINALE!', req.result)
return req.result;
},
async getalldata(table) {
let req;
await withStore('readonly', table, store => {
req = store.getAll();
});
return req.result;
},
async set(key, value) {
return await withStore('readwrite', 'keyval', store => {
store.put(value, key);
});
},
async setdata(table, valuekey) {
let value = []
if (table === rescodes.DB.CMD_DELETE_TODOS) {
value['_id'] = valuekey
}else {
value = valuekey
}
console.log('setdata', table, value)
return await withStore('readwrite', table, store => {
store.put(value);
});
},
async delete(key) {
return await withStore('readwrite', 'keyval', store => {
store.delete(key);
});
},
async deletedata(table, key) {
return await withStore('readwrite', table, store => {
store.delete(key);
});
},
async clearalldata(table) {
return await withStore('readwrite', table, store => {
store.clear();
});
}
};
})();
// iOS add-to-homescreen is missing IDB, or at least it used to.
// I haven't tested this in a while.
if (!self.indexedDB) {
idbKeyval = {
get: key => Promise.resolve(localStorage.getItem(key)),
set: (key, val) => Promise.resolve(localStorage.setItem(key, val)),
delete: key => Promise.resolve(localStorage.removeItem(key))
};
}

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@@ -1,67 +1,57 @@
console.log('utility.js')
var dbPromise = idb.open('mydb', 10, function (db) {
console.log('OPEN MYDB')
if (!db.objectStoreNames.contains('sync_todos')) {
db.createObjectStore('sync_todos', { keyPath: 'id' });
}
if (!db.objectStoreNames.contains('todos')) {
db.createObjectStore('todos', { keyPath: 'id' });
}
});
// var dbPromise = idb.open('mydb1', 1, function (db) {
// console.log('OPEN MYDB')
// if (!db.objectStoreNames.contains('todos')) {
// db.createObjectStore('todos', { keyPath: '_id' });
// }
// if (!db.objectStoreNames.contains('config')) {
// db.createObjectStore('config', { keyPath: '_id' });
// }
// });
function writeData(st, data) {
console.log('writeData', st, data);
return dbPromise
.then(function (db) {
var tx = db.transaction(st, 'readwrite');
var store = tx.objectStore(st);
store.put(data);
return tx.complete;
});
}
function readAllData(st) {
console.log('readAllData', st);
return dbPromise
.then(function (db) {
var tx = db.transaction(st, 'readonly');
var store = tx.objectStore(st);
return store.getAll();
});
}
// function readAllData(st) {
// console.log('readAllData', st);
// return dbPromise
// .then(function (db) {
// var tx = db.transaction(st, 'readonly');
// var store = tx.objectStore(st);
// return store.getAll();
// });
// }
function clearAllData(st) {
console.log('clearAllData', st);
return dbPromise
.then(function (db) {
var tx = db.transaction(st, 'readwrite');
var store = tx.objectStore(st);
store.clear();
return tx.complete;
});
}
// function clearAllData(st) {
// console.log('clearAllData', st);
// return dbPromise
// .then(function (db) {
// var tx = db.transaction(st, 'readwrite');
// var store = tx.objectStore(st);
// store.clear();
// return tx.complete;
// });
// }
function deleteItemFromData(st, id) {
console.log('deleteItemFromData', st, 'ID:', id);
dbPromise
.then(function (db) {
var tx = db.transaction(st, 'readwrite');
var store = tx.objectStore(st);
try {
store.delete(id);
return tx.complete;
} catch (e) {
return false;
}
})
.then(function (res) {
if (res)
console.log('Item deleted!');
});
}
// function deleteItemFromData(st, id) {
// console.log('deleteItemFromData', st, 'ID:', id);
// dbPromise
// .then(function (db) {
//
// var tx = db.transaction(st, 'readwrite');
// var store = tx.objectStore(st);
//
// try {
// store.delete(id);
// return tx.complete;
// } catch (e) {
// return false;
// }
// })
// .then(function (res) {
// if (res)
// console.log('Item deleted!');
// });
// }
function urlBase64ToUint8Array(base64String) {
var padding = '='.repeat((4 - base64String.length % 4) % 4);