08-27-周三_17-09-29

node_modules/dagre-d3-renderer/lib/position-nodes.js

@@ -0,0 +1,20 @@
+import d3 from 'd3'
+
+import util from './util'
+
+function positionNodes (selection, g) {
+  const created = selection.filter(function () { return !d3.select(this).classed('update') })
+
+  function translate (v) {
+    const node = g.node(v)
+    return 'translate(' + node.x + ',' + node.y + ')'
+  }
+
+  created.attr('transform', translate)
+
+  util.applyTransition(selection, g)
+    .style('opacity', 1)
+    .attr('transform', translate)
+}
+
+export default positionNodes