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import {interpolateTransformCss as interpolateTransform} from "d3-interpolate";
import {style} from "d3-selection";
import {set} from "./schedule.js";
import {tweenValue} from "./tween.js";
import interpolate from "./interpolate.js";
function styleNull(name, interpolate) {
var string00,
string10,
interpolate0;
return function() {
var string0 = style(this, name),
string1 = (this.style.removeProperty(name), style(this, name));
return string0 === string1 ? null
: string0 === string00 && string1 === string10 ? interpolate0
: interpolate0 = interpolate(string00 = string0, string10 = string1);
};
}
function styleRemove(name) {
return function() {
this.style.removeProperty(name);
};
}
function styleConstant(name, interpolate, value1) {
var string00,
string1 = value1 + "",
interpolate0;
return function() {
var string0 = style(this, name);
return string0 === string1 ? null
: string0 === string00 ? interpolate0
: interpolate0 = interpolate(string00 = string0, value1);
};
}
function styleFunction(name, interpolate, value) {
var string00,
string10,
interpolate0;
return function() {
var string0 = style(this, name),
value1 = value(this),
string1 = value1 + "";
if (value1 == null) string1 = value1 = (this.style.removeProperty(name), style(this, name));
return string0 === string1 ? null
: string0 === string00 && string1 === string10 ? interpolate0
: (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
};
}
function styleMaybeRemove(id, name) {
var on0, on1, listener0, key = "style." + name, event = "end." + key, remove;
return function() {
var schedule = set(this, id),
on = schedule.on,
listener = schedule.value[key] == null ? remove || (remove = styleRemove(name)) : undefined;
// If this node shared a dispatch with the previous node,
// just assign the updated shared dispatch and we’re done!
// Otherwise, copy-on-write.
if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener);
schedule.on = on1;
};
}
export default function(name, value, priority) {
var i = (name += "") === "transform" ? interpolateTransform : interpolate;
return value == null ? this
.styleTween(name, styleNull(name, i))
.on("end.style." + name, styleRemove(name))
: typeof value === "function" ? this
.styleTween(name, styleFunction(name, i, tweenValue(this, "style." + name, value)))
.each(styleMaybeRemove(this._id, name))
: this
.styleTween(name, styleConstant(name, i, value), priority)
.on("end.style." + name, null);
}
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