lhl 7eff0e2ec0 1-9 3 months ago
..
lib 7eff0e2ec0 1-9 3 months ago
node_modules 7eff0e2ec0 1-9 3 months ago
.npmignore 7eff0e2ec0 1-9 3 months ago
README.md 7eff0e2ec0 1-9 3 months ago
package-lock.json 7eff0e2ec0 1-9 3 months ago
package.json 7eff0e2ec0 1-9 3 months ago

README.md

babel-code-frame

Generate errors that contain a code frame that point to source locations.

Install

npm install --save-dev babel-code-frame

Usage

import codeFrame from 'babel-code-frame';

const rawLines = `class Foo {
  constructor()
}`;
const lineNumber = 2;
const colNumber = 16;

const result = codeFrame(rawLines, lineNumber, colNumber, { /* options */ });

console.log(result);
  1 | class Foo {
> 2 |   constructor()
    |                ^
  3 | }

If the column number is not known, you may pass null instead.

Options

highlightCode

boolean, defaults to false.

Toggles syntax highlighting the code as JavaScript for terminals.

linesAbove

number, defaults to 2.

Adjust the number of lines to show above the error.

linesBelow

number, defaults to 3.

Adjust the number of lines to show below the error.

forceColor

boolean, defaults to false.

Enable this to forcibly syntax highlight the code as JavaScript (for non-terminals); overrides highlightCode.