bc518174
 王天杨
提交两个项目文件
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const getLastPart = (functionName: string): string => {
// The match may be something like 'Object.createEmotionProps' or
// 'Loader.prototype.render'
const parts = functionName.split('.')
return parts[parts.length - 1]
}
const getFunctionNameFromStackTraceLine = (
line: string
): string | undefined => {
// V8
let match = /^\s+at\s+([A-Za-z0-9$.]+)\s/.exec(line)
if (match) return getLastPart(match[1])
// Safari / Firefox
match = /^([A-Za-z0-9$.]+)@/.exec(line)
if (match) return getLastPart(match[1])
return undefined
}
const internalReactFunctionNames = /* #__PURE__ */ new Set([
'renderWithHooks',
'processChild',
'finishClassComponent',
'renderToString'
])
// These identifiers come from error stacks, so they have to be valid JS
// identifiers, thus we only need to replace what is a valid character for JS,
// but not for CSS.
const sanitizeIdentifier = (identifier: string) =>
identifier.replace(/\$/g, '-')
export const getLabelFromStackTrace = (stackTrace: string | undefined) => {
if (!stackTrace) return undefined
const lines = stackTrace.split('\n')
for (let i = 0; i < lines.length; i++) {
const functionName = getFunctionNameFromStackTraceLine(lines[i])
// The first line of V8 stack traces is just "Error"
if (!functionName) continue
// If we reach one of these, we have gone too far and should quit
if (internalReactFunctionNames.has(functionName)) break
// The component name is the first function in the stack that starts with an
// uppercase letter
if (/^[A-Z]/.test(functionName)) return sanitizeIdentifier(functionName)
}
return undefined
}
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