| // (1) The code `if (__DEV__) ...` can be removed by build tool. |
| // (2) If intend to use `__DEV__`, this module should be imported. Use a global |
| // variable `__DEV__` may cause that miss the declaration (see #6535), or the |
| // declaration is behind of the using position (for example in `Model.extent`, |
| // And tools like rollup can not analysis the dependency if not import). |
| var dev; // In browser |
| |
| if (typeof window !== 'undefined') { |
| dev = window.__DEV__; |
| } // In node |
| else if (typeof global !== 'undefined') { |
| dev = global.__DEV__; |
| } |
| |
| if (typeof dev === 'undefined') { |
| dev = true; |
| } |
| |
| export var __DEV__ = dev; |
