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feat(compiler): accept line offset in codeframe

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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
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3
packages/compiler-core/src/index.ts
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@ -36,6 +36,7 @@ import { generateCodeFrame as _genCodeFrame } from '@vue/shared'
const generateCodeFrame = _genCodeFrame as ( const generateCodeFrame = _genCodeFrame as (
source: string, source: string,
start?: number, start?: number,
end?: number end?: number,
lineOffset?: number
) => string ) => string
export { generateCodeFrame } export { generateCodeFrame }

10
packages/shared/src/codeframe.ts
View File

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