Prevent crash when options._flags is undefined.

vuejs / vueify

Browserify transform for single-file Vue components

MIT License

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Prevent crash when options._flags is undefined. #172

Open AdamNiederer opened 7 years ago

AdamNiederer commented 7 years ago

Some tools might pass an empty options object to Vueify. This means options._flags is undefined, and options._flags.debug is a crash. Short-circuiting falsey _flags values will prevent this crash in most cases.