How to use the cardinal.highlightFileSync function in cardinal
To help you get started, we’ve selected a few cardinal examples, based on popular ways it is used in public projects.
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tapjs / node-tap / lib / reporter / pretty-source.js View on Github 
module.exports = (diag) => {
if (!diag || typeof diag.source !== 'string')
return null
if (!diag.source || !diag.at || !diag.at.line || !diag.at.file)
return diag.source
const source = diag.source
const at = diag.at
try {
const lines = highlightFileSync(at.file, {
jsx: true,
theme,
}).split('\n')
const ctx = 3
const startLine = Math.max(at.line - ctx, 0)
const endLine = Math.min(at.line + ctx, lines.length)
const numLen = endLine.toString().length + 1
const caret = at.column
? [
` ${new Array(numLen).join(' ')
} ` + hex('#777')('| ') +
red(`${new Array(at.column).join('-')}${bold('^')}`)
] : []cardinal
Syntax highlights JavaScript code with ANSI colors to be printed to the terminal.
