44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
import mitt from "../../shared/lib/mitt";
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class Span {
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end(endTime) {
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if (this.state.state === "ended") {
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throw new Error("Span has already ended");
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}
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this.state = {
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state: "ended",
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endTime: endTime != null ? endTime : Date.now()
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};
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this.onSpanEnd(this);
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}
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constructor(name, options, onSpanEnd){
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this.name = name;
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var _options_attributes;
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this.attributes = (_options_attributes = options.attributes) != null ? _options_attributes : {};
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var _options_startTime;
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this.startTime = (_options_startTime = options.startTime) != null ? _options_startTime : Date.now();
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this.onSpanEnd = onSpanEnd;
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this.state = {
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state: "inprogress"
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};
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}
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}
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class Tracer {
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startSpan(name, options) {
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return new Span(name, options, this.handleSpanEnd);
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}
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onSpanEnd(cb) {
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this._emitter.on("spanend", cb);
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return ()=>{
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this._emitter.off("spanend", cb);
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};
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}
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constructor(){
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this._emitter = mitt();
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this.handleSpanEnd = (span)=>{
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this._emitter.emit("spanend", span);
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};
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}
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}
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export default new Tracer();
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//# sourceMappingURL=tracer.js.map
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