java-script:babel
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java-script:babel [2023/08/03 02:56] – [Run our transpiled code (from ES6 to ES5)] odefta | java-script:babel [2023/08/03 03:09] (current) – odefta | ||
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==== Create .babelrc ==== | ==== Create .babelrc ==== | ||
- | Inside your project in the main directory create a file called .babelrc | + | Inside your project in the main directory create a file called |
This will indicate babel which presets to use to transpile the ES6 code in ES5 code: | This will indicate babel which presets to use to transpile the ES6 code in ES5 code: | ||
Line 55: | Line 55: | ||
< | < | ||
npx babel-node ./ | npx babel-node ./ | ||
+ | </ | ||
+ | |||
+ | ===== View transpiled code ===== | ||
+ | |||
+ | If we want to examine the transpiled code, we'll need to install the babel command line: | ||
+ | |||
+ | < | ||
+ | npm install @babel/cli | ||
+ | </ | ||
+ | |||
+ | Output: | ||
+ | < | ||
+ | added 29 packages, and audited 278 packages in 5s | ||
+ | |||
+ | 61 packages are looking for funding | ||
+ | run `npm fund` for details | ||
+ | |||
+ | found 0 vulnerabilities | ||
+ | </ | ||
+ | |||
+ | Next, add a script entry in the package.json file: | ||
+ | |||
+ | <code javascript> | ||
+ | { | ||
+ | " | ||
+ | " | ||
+ | } | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | Next, we can run: | ||
+ | < | ||
+ | npm run build | ||
+ | </ | ||
+ | |||
+ | Transpiled code are now in the dist folder: | ||
+ | < | ||
+ | |||
+ | > build | ||
+ | > babel src -d dist | ||
+ | |||
+ | Successfully compiled 2 files with Babel (423ms). | ||
</ | </ |
java-script/babel.1691020575.txt.gz · Last modified: 2023/08/03 02:56 by odefta