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233b00e836
Summary:
The traverse dependencies logic was using the absolute path of the resolved dependency to group the module dependencies, so for example if there's a module like:
```
const a = require('./a');
const a1 = require('./a.js');
```
The traversal dependencies logic was just outputting a single dependency for that module.
Since we're transforming each `require()` call to replace the relative path by a dependencyMap, the code from above was transformed to:
```
const a = require(_dependencyMap[0]);
const a1 = require(_dependencyMap[1]);
```
But since the traverse dependencies logic could only find a single dependency, `_dependencyMap[1]` was undefined, causing a runtime error.
This fixes https://github.com/facebook/metro/issues/152 (more info in the task)
Reviewed By: jeanlauliac
Differential Revision: D7258093
fbshipit-source-id: 65c42b87e589430ecc96b906230dd7c4c55c2146