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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | 1x 1x 1x 1x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 1x 1x 1x 1x 1x 1x | import { addFeatureChangeObserver } from '../../src/feature/feature';
import { createConsoleReporter } from '../console';
import { ExperimentsObserver } from '../../src/feature/feature.typings';
export type LikeXRay = {
send: (t: string, p: {i: {[key:string]: string}}) => void;
addSplit: (v: string) => void;
}
export type XRayReporterInit = {
send: LikeXRay['send'];
prepare?: (key: string) => string;
glue?: string;
verbose?: boolean;
}
export function createXRayReporter(init: XRayReporterInit): ExperimentsObserver {
const {
send,
glue = '_',
prepare = defaultPrepare,
verbose,
} = init;
const log = verbose ? createConsoleReporter() : null as (ExperimentsObserver | null);
return (feature, xevt) => {
const chain = [feature.id].concat(xevt.target.$path());
const metrics = {};
createIntervals(metrics, xevt.data, glue),
(log !== null) && log(feature, xevt);
send(chain.map(prepare).join(glue), {i: metrics});
};
}
export function xraySplitAutoConfiguration(xray: LikeXRay) {
return addFeatureChangeObserver((feature) => {
if (feature.enabled && feature.split) {
xray.addSplit(`s${feature.split}s`);
} else {
// todo: removeSplit???
}
});
}
const R_CAMEL = /([A-Z]+\w)/g;
const R_LIKE_CALLBACK = /^on([A-Z])/;
function defaultPrepare(key: string) {
return key
.replace(R_LIKE_CALLBACK, '$1')
.replace(R_CAMEL, toKebabCase)
;
}
function toKebabCase(_: string, match: string, offset: number) {
return (offset ? '-' : '') + match.toLowerCase();
}
function createIntervals(metrics: object, data: object, glue: string): void {
for (const key in data) {
Eif (data.hasOwnProperty(key)) {
const val = data[key];
Eif (typeof val === 'string') {
metrics[key + glue + val] = 1;
} else {
metrics[key] = +val >= 0 ? +val : 1;
}
}
}
}
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