Function parse

shared/stacktrace.ts:42–174

(err: Error)

}

export function parse(err: Error) {
    if (!err.stack) {
        return [];
    }

    let format: TraceFormat;

    if (typeof window === 'undefined') {
        // node
        format = TraceFormat.V8;
    } else {
        if (navigator.userAgent.includes('AppleWebKit')) {
            // Just going with V8 for now...
            format = TraceFormat.V8;
        } else if ((window as any).chrome) {
            format = TraceFormat.V8;
        } else if (navigator.userAgent.toLowerCase().includes('firefox')) {
            format = TraceFormat.Firefox;
        } else {
            // We'll just default to V8 for now...
            format = TraceFormat.V8;
        }
    }
    if (format === TraceFormat.V8) {
        return err.stack
            .split('\n')
            .slice(1)
            .map((line): StackFrame | undefined => {
                if (/^\s*-{4,}$/.test(line)) {
                    return {
                        fileName: line,
                    };
                }

                const lineMatch = line.match(/at (?:(.+?)\s+\()?(?:(.+?):(\d+)(?::(\d+))?|([^)]+))\)?/);
                if (!lineMatch) {
                    return undefined;
                }

                let object: string | undefined;
                let method: string | undefined;
                let functionName: string | undefined;
                let typeName: string | undefined;
                let methodName: string | undefined;
                const isNative = lineMatch[5] === 'native';

                if (lineMatch[1]) {
                    functionName = lineMatch[1];
                    let methodStart = functionName.lastIndexOf('.');
                    if (functionName[methodStart - 1] === '.') methodStart--;
                    if (methodStart > 0) {
                        object = functionName.substring(0, methodStart);
                        method = functionName.substring(methodStart + 1);
                        const objectEnd = object.indexOf('.Module');
                        if (objectEnd > 0) {
                            functionName = functionName.substring(objectEnd + 1);
                            object = object.substring(0, objectEnd);
                        }