next
Version:
The React Framework
63 lines (61 loc) • 1.93 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "default", {
enumerable: true,
get: function() {
return _default;
}
});
const _interop_require_default = require("@swc/helpers/_/_interop_require_default");
const _mitt = /*#__PURE__*/ _interop_require_default._(require("../../shared/lib/mitt"));
class Span {
constructor(name, options, onSpanEnd){
this.name = name;
this.attributes = options.attributes ?? {};
this.startTime = options.startTime ?? Date.now();
this.onSpanEnd = onSpanEnd;
this.state = {
state: 'inprogress'
};
}
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 ?? Date.now()
};
this.onSpanEnd(this);
}
}
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 = (0, _mitt.default)();
this.handleSpanEnd = (span)=>{
this._emitter.emit('spanend', span);
};
}
}
const _default = new Tracer();
if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
Object.defineProperty(exports.default, '__esModule', { value: true });
Object.assign(exports.default, exports);
module.exports = exports.default;
}
//# sourceMappingURL=tracer.js.map