private spawn()

in src/azService.ts [171:205]

• 35 lines of code
• 5 McCabe index (conditional complexity)

    private spawn(pythonLocation: string, processOptions?: SpawnOptions) {
        const process = spawn(join(__dirname, `../../service/az-service${isWindows ? '.bat' : ''}`), [pythonLocation], processOptions);
        process.stdout.setEncoding('utf8');
        process.stdout.on('data', data => {
            this.data += data;
            const nl = this.data.indexOf('\n');
            if (nl !== -1) {
                const line = this.data.substr(0, nl);
                this.data = this.data.substr(nl + 1);
                const response = JSON.parse(line);
                const listener = this.listeners[response.sequence];
                if (listener) {
                    delete this.listeners[response.sequence];
                    listener(undefined, response);
                }
            }
        });
        process.stderr.setEncoding('utf8');
        process.stderr.on('data', data => {
            console.error(data);
        });
        process.on('error', err => {
            console.error(err);
        });
        process.on('exit', (code, signal) => {
            console.error(`Exit code ${code}, signal ${signal}`);
            this.process = undefined;
            for (const sequence in this.listeners) {
                const listener = this.listeners[sequence];
                delete this.listeners[sequence];
                listener(`Python process terminated with exit code ${code}, signal ${signal}.`, undefined);
            }
        });
        return process;
    }