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Add Akka-Streams to Assess

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This commit is contained in:
Carsten Lenz
2017-09-12 22:50:42 +02:00
committed by Tom Raithel
parent 9bac3a27b2
commit 86188db1a7
5 changed files with 123 additions and 129 deletions
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69
common/model.js
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@@ -1,43 +1,50 @@
export const featuredOnly = items => items.filter(item => item.isFeatured);
export const groupByQuadrants = (items) => (
items.reduce((quadrants, item) => ({
...quadrants,
[item.quadrant]: addItemToQuadrant(quadrants[item.quadrant], item),
}), {})
);
export const groupByQuadrants = items =>
items.reduce(
(quadrants, item) => ({
...quadrants,
[item.quadrant]: addItemToQuadrant(quadrants[item.quadrant], item),
}),
{},
);
export const groupByRing = (items) => (
items.reduce((rings, item) => ({
...rings,
[item.ring]: addItemToList(rings[item.ring], item),
}), {})
);
export const groupByRing = items =>
items.reduce(
(rings, item) => ({
...rings,
[item.ring]: addItemToList(rings[item.ring], item),
}),
{},
);
export const groupByFirstLetter = (items) => {
const index = items.reduce((letterIndex, item) => ({
...letterIndex,
[getFirstLetter(item)]: addItemToList(letterIndex[getFirstLetter(item)], item),
}), {});
export const groupByFirstLetter = items => {
const index = items.reduce(
(letterIndex, item) => ({
...letterIndex,
[getFirstLetter(item)]: addItemToList(
letterIndex[getFirstLetter(item)],
item,
),
}),
{},
);
return Object.keys(index).sort().map((letter) => ({
letter,
items: index[letter],
}));
}
return Object.keys(index)
.sort()
.map(letter => ({
letter,
items: index[letter],
}));
};
const addItemToQuadrant = (quadrant = {}, item) => ({
...quadrant,
[item.ring]: addItemToRing(quadrant[item.ring], item),
});
const addItemToList = (list = [], item) => ([
...list,
item,
]);
const addItemToList = (list = [], item) => [...list, item];
const addItemToRing = (ring = [], item) => ([
...ring,
item,
]);
const addItemToRing = (ring = [], item) => [...ring, item];
export const getFirstLetter = (item) => item.title.substr(0,1).toUpperCase();
export const getFirstLetter = item => item.title.substr(0, 1).toUpperCase();