Distinct array or object by keeping a empty array literal #164
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Make `{a: [1,2]}` produce `{a: [], 'a.0': 1, 'a.1': 2}`,
so we can distinct array and object.
Add a `opts.useEmptyArray` option to turn on this feature.
GHolk
changed the title
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The numeric keys is ambiguous, which could mean object keys or array indice.
If
flattenfunction output a empty array for a array, it would be precise the numeric keys mean the array indice.Eg:
{a: [1,2]}is flatten to{a: [], 'a.0': 1, 'a.1': 2},and
{a: {'0': 1, '1': 2}}is flatten to{'a.0': 1, 'a.1': 2},so we can distinct array and object.
A new option
useEmptyArraywill to turn on this feature.This is similar to the
safeoption, but the values in array still get flatten.The docs and the tests are not updated yet, and this seem to cause some side effects on flatten object while
unflatten.I will update them if hughsk is interested in merging this feature.
Somewhat relate to #74 .