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import {Transition, newId} from "../transition/index.js";
import schedule from "../transition/schedule.js";
import {easeCubicInOut} from "d3-ease";
import {now} from "d3-timer";
var defaultTiming = {
time: null, // Set on use.
delay: 0,
duration: 250,
ease: easeCubicInOut
};
function inherit(node, id) {
var timing;
while (!(timing = node.__transition) || !(timing = timing[id])) {
if (!(node = node.parentNode)) {
throw new Error(`transition ${id} not found`);
}
}
return timing;
}
export default function(name) {
var id,
timing;
if (name instanceof Transition) {
id = name._id, name = name._name;
} else {
id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + "";
}
for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) {
for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
if (node = group[i]) {
schedule(node, name, id, i, group, timing || inherit(node, id));
}
}
}
return new Transition(groups, this._parents, name, id);
}