diff --git a/README.md b/README.md index a8e3544..43bcada 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,6 @@ -# demonstration of [react](https://reactjs.org/) + [sql.js](https://github.com/sql-js/sql.js) +# SQLite Ract JS Demo + +Demonstration app of [react](https://reactjs.org/) and [sql.js](https://github.com/sql-js/sql.js) web assembly library. This is a template repository demonstrating the use of sql.js with create-react-app. @@ -6,8 +8,10 @@ The only differences with a traditional create-react-app application are : - The usage of [react-app-rewired](https://www.npmjs.com/package/react-app-rewired) to allow providing a custom [webpack](https://webpack.js.org/) configuration - a custom [`config-overrides.js`](./config-overrides.js) to copy the wasm module from sql.js to the distributed assets - Note that you should make sure your server serves `.wasm` files with the right mimetype, that is: `application/wasm`. Otherwise, you'll see the following warning in the console: `TypeError: Response has unsupported MIME type` + > Note that you should make sure your server serves `.wasm` files with the right mimetype, that is: `application/wasm`. Otherwise, you'll see the following warning in the console: `TypeError: Response has unsupported MIME type` See [`src/App.js`](./src/App.js) for the code. - ### [view the live demo](https://sqljs-react-demo.netlify.com/) + ## Links + + * [Live demo](https://sqlite-js-demo.netlify.app) diff --git a/package-lock.json b/package-lock.json index 106cd84..9b08f51 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,5 +1,5 @@ { - "name": "react", + "name": "react-sqljs-demo", "version": "1.0.0", "lockfileVersion": 1, "requires": true, @@ -2098,6 +2098,37 @@ "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.1.tgz", "integrity": "sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug==" }, + "axios": { + "version": "0.19.2", + "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.2.tgz", + "integrity": "sha512-fjgm5MvRHLhx+osE2xoekY70AhARk3a6hkN+3Io1jc00jtquGvxYlKlsFUhmUET0V5te6CcZI7lcv2Ym61mjHA==", + "requires": { + "follow-redirects": "1.5.10" + }, + "dependencies": { + "debug": { + "version": "3.1.0", + "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz", + "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==", + "requires": { + "ms": "2.0.0" + } + }, + "follow-redirects": { + "version": "1.5.10", + "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.5.10.tgz", + "integrity": "sha512-0V5l4Cizzvqt5D44aTXbFZz+FtyXV1vrDN6qrelxtfYQKW0KO0W2T/hkE8xvGa/540LkZlkaUjO4ailYTFtHVQ==", + "requires": { + "debug": "=3.1.0" + } + }, + "ms": { + "version": "2.0.0", + "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz", + "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=" + } + } + }, "axobject-query": { "version": "2.1.2", "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-2.1.2.tgz", @@ -4914,9 +4945,9 @@ "integrity": "sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=" }, "eventemitter3": { - 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"version": "13.1.1", - "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz", - "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==", + "version": "13.1.2", + "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz", + "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==", "requires": { "camelcase": "^5.0.0", "decamelize": "^1.2.0" diff --git a/package.json b/package.json index 8f8dd87..96c1793 100644 --- a/package.json +++ b/package.json @@ -9,6 +9,7 @@ "main": "src/index.js", "license": "MIT", "dependencies": { + "axios": "^0.19.2", "react": "16.12.0", "react-dom": "16.12.0", "react-scripts": "^3.4.0", diff --git a/public/favicon.ico b/public/favicon.ico new file mode 100644 index 0000000..dbf7c81 Binary files /dev/null and b/public/favicon.ico differ diff --git a/public/favicon.png b/public/favicon.png new file mode 100644 index 0000000..f7d2981 Binary files /dev/null and b/public/favicon.png differ diff --git a/public/index.html b/public/index.html index 42ae2d2..a25a53d 100644 --- a/public/index.html +++ b/public/index.html @@ -9,8 +9,8 @@ manifest.json provides metadata used when your web app is added to the homescreen on Android. See https://developers.google.com/web/fundamentals/engage-and-retain/web-app-manifest/ --> - - + + - \ No newline at end of file + diff --git a/public/test.db b/public/test.db new file mode 100644 index 0000000..3f9c72f Binary files /dev/null and b/public/test.db differ diff --git a/src/App.js b/src/App.js index eb52283..93b6e28 100644 --- a/src/App.js +++ b/src/App.js @@ -1,8 +1,8 @@ import React from "react"; +import axios from "axios"; import "./styles.css"; import initSqlJs from "sql.js"; - export default class App extends React.Component { constructor() { @@ -14,9 +14,20 @@ export default class App extends React.Component { // sql.js needs to fetch its wasm file, so we cannot immediately instantiate the database // without any configuration, initSqlJs will fetch the wasm files directly from the same path as the js // see ../config-overrides.js - initSqlJs() - .then(SQL => this.setState({ db: new SQL.Database() })) - .catch(err => this.setState({ err })); + + const me = this; + Promise.all([initSqlJs(), axios.get('./test.db', {responseType: 'arraybuffer'})]).then(res => { + const SQLite = res[0], dbStorage = res[1]; + const db = new SQLite.Database(new Uint8Array(dbStorage.data)); + // language=SQLite + // const rows = db.exec("SELECT count(*) FROM db_articles"); + // console.log(rows); + me.setState({db: db}); + + }).catch(err => { + me.setState({err}); + }); + } exec(sql) { @@ -70,7 +81,7 @@ export default class App extends React.Component { + >SELECT count(*) FROM db_articles
{(err || "").toString()}