1.0 KiB
1.0 KiB
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.