Update cheatsheets

babel

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# babel
+
+> A transpiler which converts code from JavaScript ES6/ES7 syntax to ES5 syntax.
+> More information: <https://babeljs.io/>.
+
+- Transpile a specified input file and output to `stdout`:
+
+`babel {{path/to/file}}`
+
+- Transpile a specified input file and output to a specific file:
+
+`babel {{path/to/input_file}} --out-file {{path/to/output_file}}`
+
+- Transpile the input file every time it is changed:
+
+`babel {{path/to/input_file}} --watch`
+
+- Transpile a whole directory of files:
+
+`babel {{path/to/input_directory}}`
+
+- Ignore specified comma-separated files in a directory:
+
+`babel {{path/to/input_directory}} --ignore {{ignored_file1,ignored_file2,...}}`
+
+- Transpile and output as minified JavaScript:
+
+`babel {{path/to/input_file}} --minified`
+
+- Choose a set of presets for output formatting:
+
+`babel {{path/to/input_file}} --presets {{preset1,preset2,...}}`
+
+- Display help:
+
+`babel --help`