export function generateCodeFrame(
source: string,
start = 0,
- end = source.length,
- lineOffset = 0
+ end = source.length
): string {
const lines = source.split(/\r?\n/)
let count = 0
if (count >= start) {
for (let j = i - range; j <= i + range || end > count; j++) {
if (j < 0 || j >= lines.length) continue
- const line = j + 1 + lineOffset
+ const line = j + 1
res.push(`${line}${' '.repeat(3 - String(line).length)}| ${lines[j]}`)
const lineLength = lines[j].length
if (j === i) {
// push underline
const pad = start - (count - lineLength) + 1
const length = Math.max(
- 0,
+ 1,
end > count ? lineLength - pad : end - start
)
res.push(` | ` + ' '.repeat(pad) + '^'.repeat(length))
} else if (j > i) {
if (end > count) {
- const length = Math.min(end - count, lineLength)
+ const length = Math.max(Math.min(end - count, lineLength), 1)
res.push(` | ` + '^'.repeat(length))
}
count += lineLength + 1