33 lines
856 B
JavaScript
33 lines
856 B
JavaScript
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import {get, set, init} from "./schedule.js";
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function start(name) {
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return (name + "").trim().split(/^|\s+/).every(function(t) {
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var i = t.indexOf(".");
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if (i >= 0) t = t.slice(0, i);
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return !t || t === "start";
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});
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}
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function onFunction(id, name, listener) {
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var on0, on1, sit = start(name) ? init : set;
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return function() {
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var schedule = sit(this, id),
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on = schedule.on;
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// If this node shared a dispatch with the previous node,
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// just assign the updated shared dispatch and we’re done!
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// Otherwise, copy-on-write.
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if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener);
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schedule.on = on1;
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};
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}
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export default function(name, listener) {
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var id = this._id;
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return arguments.length < 2
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? get(this.node(), id).on.on(name)
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: this.each(onFunction(id, name, listener));
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}
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