unistore/src/util.js at master · developit/unistore

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// Bind an object/factory of actions to the store and wrap them.

export function mapActions(actions, store) {

if (typeof actions==='function') actions = actions(store);

let mapped = {};

for (let i in actions) {

mapped[i] = store.action(actions[i]);

}

return mapped;

}

// select('foo,bar') creates a function of the form: ({ foo, bar }) => ({ foo, bar })

export function select(properties) {

if (typeof properties==='string') properties = properties.split(/\s*,\s*/);

return state => {

let selected = {};

for (let i=0; i<properties.length; i++) {

selected[properties[i]] = state[properties[i]];

}

return selected;

};

}

// Lighter Object.assign stand-in

export function assign(obj, props) {

for (let i in props) obj[i] = props[i];

return obj;

}