ts-node

Run TypeScript code directly, without any compiling.

TLDR

Execute a TypeScript file without compiling (node + tsc)

$ ts-node [path/to/file.ts]
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Execute a TypeScript file without loading tsconfig.json
$ ts-node --skip-project [path/to/file.ts]
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Evaluate TypeScript code passed as a literal on the command-line
$ ts-node --eval '[console.log("Hello World")]'
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Execute a TypeScript file in script mode
$ ts-node --script-mode [path/to/file.ts]
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Transpile a TypeScript file to JavaScript without executing it
$ ts-node --transpile-only [path/to/file.ts]
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Display TS-Node help
$ ts-node --help
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SYNOPSIS

ts-node [options] [-e script] [arguments]

DESCRIPTION

Runs the given script, either in a file or inlined with the -e switch, using Node.js or TypeScript.

-e, --eval [code]

Evaluate code

-p, --print

Print result of `--eval`

-r, --require [path]

Require a node module before execution

-i, --interactive

Opens the REPL even if stdin does not appear to be a terminal

-h, --help

Print CLI usage

-v, --version

Print module version information

-s, --script-mode

Use cwd from <script.ts> instead of current directory

-T, --transpile-only

Use TypeScript's faster `transpileModule`

-H, --compiler-host

Use TypeScript's compiler host API

-I, --ignore [pattern]

Override the path patterns to skip compilation

-P, --project [path]

Path to TypeScript JSON project file

-C, --compiler [name]

Specify a custom TypeScript compiler

-D, --ignore-diagnostics [code] Ignore TypeScript warnings by diagnostic code

-O, --compiler-options [opts]

JSON object to merge with compiler options

--dir

Specify working directory for config resolution

--scope

Scope compiler to files within `cwd` only

--files

Load `files`, `include` and `exclude` from `tsconfig.json` on startup

--pretty

Use pretty diagnostic formatter (usually enabled by default)

--skip-project

Skip reading `tsconfig.json`

--skip-ignore

Skip `--ignore` checks

--prefer-ts-exts

Prefer importing TypeScript files over JavaScript files

--log-error

Logs TypeScript errors to stderr instead of throwing exceptions

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