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License: MIT License
Composable selectors
License: MIT License
const sel = composableSelector(getSelectedFooIds)
.populate(getFooHash)
.filter(getBaz, (baz, foo = {}) => foo.id === baz.fooId)
.getEach('name')
.create();
it('gets the names for each selected foo on baz', () => {
const obj = { name: 'Jam' };
sel.test([1])
.populate({ 1: obj })
.filter({
fooId: 1,
})
// Skips over static transformers
.returns(['Jam']);
});
.get(Path): *
.flatten(Path): Array<*>
.keys()
Object.keys()
.slice(index, length): Array<*>
Array.prototype.slice
When invoking a task builder
Check that the proper arguments are passed
selector
task builder should receive a list of arrayspopulate
task builder should the proper formatsStatic tasks can only be type checked at the transformer level.
.select(...inputSelectors, resultFunc): *
inputSelectors
resultFunc
as the last argument
resultFunc
receives selector outputs as arguments, in orderresultFunc
receives previous output as the last argument.map(...inputSelectors, resultFunc): *
inputSelectors
resultFunc
as the last argument
resultFunc
receives selector outputs as arguments, in orderresultFunc
gets called for each item in the previous outputresultFunc
is expected to return true
or false
.reduce(...inputSelectors, resultFunc, accumulator): *
inputSelectors
resultFunc
as the second to last argument
resultFunc
receives selector outputs as arguments, in orderresultFunc
gets called for each item in the previous outputresultFunc
is expected to return true
or false
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