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feat!: simplify creating and observing test runs
BREAKING CHANGE: `TestRunStack` is no longer aggregated from individual `TestRun` instances. Create `TestRunStack` per `createTestRun` function instead. BREAKING CHANGE: `ReporterServer` has been removed. Listen to events directly on test nodes instead. BREAKING CHANGE: `TmpFileServer` has been removed.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| import { RawSourceMap, SourceMapConsumer } from 'source-map' | ||
|
|
||
| export type FileServer = { | ||
| url: string | ||
| getFile: (path: string) => Promise<string> | ||
| origin: string | ||
| } | ||
|
|
||
| export class ErrorStackResolver { | ||
| constructor( | ||
| readonly fileServers: Array<FileServer>, | ||
| ) { | ||
| } | ||
|
|
||
| async rewriteStack( | ||
| stack: string, | ||
| ) { | ||
| const re = /(?<pre>\s+at [^\n)]+\()(?<url>\w+:\/\/[^/?]*[^)]*):(?<line>\d+):(?<column>\d+)(?<post>\)$)/gm | ||
| let r: RegExpExecArray|null | ||
| // eslint-disable-next-line no-cond-assign | ||
| while ((r = re.exec(stack)) && r?.groups) { | ||
| const url = r.groups.url | ||
| const line = Number(r.groups.line) | ||
| const column = Number(r.groups.column) | ||
| for (const server of this.fileServers) { | ||
| if (url.startsWith(server.url) && (server.url.endsWith('/') || url[server.url.length] === '/')) { | ||
| const subpath = trimStart(url.substring(server.url.length), '/') | ||
| let subPathAndPos = `${subpath}:${line}:${column}` | ||
|
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| // TODO: handle errors when resolving code positions | ||
|
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| const content = await server.getFile(subpath) | ||
| const mapMatch = String(content).match(/\n\/\/# sourceMappingURL=data:application\/json;charset=utf-8;base64,(?<encodedMap>[0-9a-zA-Z+/]+)\s*$/) | ||
| if (mapMatch?.groups) { | ||
| const map = JSON.parse(Buffer.from(mapMatch.groups.encodedMap, 'base64').toString('utf8')) as RawSourceMap | ||
| const original = await SourceMapConsumer.with(map, null, consumer => { | ||
| return consumer.originalPositionFor({ line, column }) | ||
| }) | ||
| if (original.source) { | ||
| subPathAndPos = `${subpath.substring(0, subpath.length - map.file.length)}${original.source}:${String(original.line)}:${String(original.column)}` | ||
| } | ||
| } | ||
| const newStackEntry = r.groups.pre | ||
| + server.origin | ||
| + (server.origin.endsWith('/') ? '' : '/') | ||
| + subPathAndPos | ||
| + r.groups.post | ||
|
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| stack = stack.substring(0, r.index) | ||
| + newStackEntry | ||
| + stack.substring(r.index + r[0].length) | ||
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| re.lastIndex += newStackEntry.length - r[0].length | ||
|
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| break | ||
| } | ||
| } | ||
| } | ||
| return stack | ||
| } | ||
| } | ||
|
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||
| function trimStart( | ||
| str: string, | ||
| chars: string, | ||
| ) { | ||
| for (let i = 0; ; i++) { | ||
| if (i >= str.length || !chars.includes(str[i])) { | ||
| return str.substring(i) | ||
| } | ||
| } | ||
| } |
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