feat(compiler): accept line offset in codeframe

This commit is contained in:
Evan You
2019-12-13 18:01:04 -05:00
parent d6acb9c073
commit 49a50d3c9c
2 changed files with 7 additions and 6 deletions

View File

@@ -2,8 +2,9 @@ const range: number = 2
export function generateCodeFrame(
source: string,
start: number = 0,
end: number = source.length
start = 0,
end = source.length,
lineOffset = 0
): string {
const lines = source.split(/\r?\n/)
let count = 0
@@ -13,9 +14,8 @@ export function generateCodeFrame(
if (count >= start) {
for (let j = i - range; j <= i + range || end > count; j++) {
if (j < 0 || j >= lines.length) continue
res.push(
`${j + 1}${' '.repeat(3 - String(j + 1).length)}| ${lines[j]}`
)
const line = j + 1 + lineOffset
res.push(`${line}${' '.repeat(3 - String(line).length)}| ${lines[j]}`)
const lineLength = lines[j].length
if (j === i) {
// push underline