hopglass/lib/filters/nodefilter.js

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2015-07-08 00:36:57 +02:00
define([], function () {
return function (filter) {
return function (data) {
var n = Object.create(data)
n.nodes = {}
for (var key in data.nodes) {
n.nodes[key] = data.nodes[key].filter(filter)
}
var filteredIds = new Set()
n.graph = {}
n.graph.nodes = data.graph.nodes.filter( function (d) {
if (!d.node)
return true
var r = filter(d.node)
if (r)
filteredIds.add(d.id)
return r
})
n.graph.links = data.graph.links.filter( function (d) {
return filteredIds.has(d.source.id) && filteredIds.has(d.target.id)
})
return n
}
}
})