48 lines
1.4 KiB
JavaScript
48 lines
1.4 KiB
JavaScript
import mitt from '../../shared/lib/mitt';
|
|
class Span {
|
|
end(endTime) {
|
|
if (this.state.state === 'ended') {
|
|
throw Object.defineProperty(new Error('Span has already ended'), "__NEXT_ERROR_CODE", {
|
|
value: "E17",
|
|
enumerable: false,
|
|
configurable: true
|
|
});
|
|
}
|
|
this.state = {
|
|
state: 'ended',
|
|
endTime: endTime != null ? endTime : Date.now()
|
|
};
|
|
this.onSpanEnd(this);
|
|
}
|
|
constructor(name, options, onSpanEnd){
|
|
this.name = name;
|
|
var _options_attributes;
|
|
this.attributes = (_options_attributes = options.attributes) != null ? _options_attributes : {};
|
|
var _options_startTime;
|
|
this.startTime = (_options_startTime = options.startTime) != null ? _options_startTime : Date.now();
|
|
this.onSpanEnd = onSpanEnd;
|
|
this.state = {
|
|
state: 'inprogress'
|
|
};
|
|
}
|
|
}
|
|
class Tracer {
|
|
startSpan(name, options) {
|
|
return new Span(name, options, this.handleSpanEnd);
|
|
}
|
|
onSpanEnd(cb) {
|
|
this._emitter.on('spanend', cb);
|
|
return ()=>{
|
|
this._emitter.off('spanend', cb);
|
|
};
|
|
}
|
|
constructor(){
|
|
this._emitter = mitt();
|
|
this.handleSpanEnd = (span)=>{
|
|
this._emitter.emit('spanend', span);
|
|
};
|
|
}
|
|
}
|
|
export default new Tracer();
|
|
|
|
//# sourceMappingURL=tracer.js.map
|