map_path

Description:

map path

Lodash get/Ramda path analogue for dart #
A tool to easilly get values from map by path
Example #
See example/example.dart
import 'package:map_path/map_path.dart';

void main() {
final map1 = {
'a': {
'b': {
'c': {
'd': 'Hello!',
}
}
}
};

final result1 = mapPath(map1, ['a', 'b', 'c', 'd']) ?? '';

// Prints "Hello"
print(result1);

final map2 = {
'a': {
'b': {
'c': ['1', '2', '3']
}
}
};

final result2 = mapPath(map2, ['a', 'b', 'c', 2]) ?? '';

// Prints "3"
print(result2);

final map3 = [
{'a': 'Hi'},
{'b': 'Bonjour'}
];

final result3 = mapPath(map3, [0, 'a']) ?? '';

// Prints "Hi"
print(result3);

final map4 = {'a': 1};

final result4 = mapPath(map4, ['b']) ?? 'null';

// Returns null because path map4.b not exists;
print(result4);

final map5 = null;

final result5 = mapPath(map5, ['a']) ?? 'null';

// Returns null because path map5 is null;
print(result5);
}

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