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
|
// This file only applies to use of experiments through https://gitlab.com/gitlab-org/gitlab-experiment
import { get } from 'lodash';
import { DEFAULT_VARIANT, CANDIDATE_VARIANT, TRACKING_CONTEXT_SCHEMA } from './constants';
function getExperimentsData() {
// Pull from deprecated window.gon.experiment
const experimentsFromGon = get(window, ['gon', 'experiment'], {});
// Pull from preferred window.gl.experiments
const experimentsFromGl = get(window, ['gl', 'experiments'], {});
return { ...experimentsFromGon, ...experimentsFromGl };
}
function convertExperimentDataToExperimentContext(experimentData) {
// Bandaid to allow-list only the properties which the current gitlab_experiment context schema suppports.
// See TRACKING_CONTEXT_SCHEMA for current version (1-0-0)
// https://gitlab.com/gitlab-org/iglu/-/blob/master/public/schemas/com.gitlab/gitlab_experiment/jsonschema/1-0-0
const { experiment: experimentName, key, variant, migration_keys } = experimentData;
return {
schema: TRACKING_CONTEXT_SCHEMA,
data: { experiment: experimentName, key, variant, migration_keys },
};
}
export function getExperimentData(experimentName) {
return getExperimentsData()[experimentName];
}
export function getAllExperimentContexts() {
return Object.values(getExperimentsData()).map(convertExperimentDataToExperimentContext);
}
export function isExperimentVariant(experimentName, variantName) {
return getExperimentData(experimentName)?.variant === variantName;
}
export function getExperimentVariant(experimentName) {
return getExperimentData(experimentName)?.variant || DEFAULT_VARIANT;
}
export function experiment(experimentName, { use, control, candidate, ...variants }) {
const variant = getExperimentVariant(experimentName);
switch (variant) {
case DEFAULT_VARIANT:
return (use || control).call();
case CANDIDATE_VARIANT:
return (variants.try || candidate).call();
default:
return variants[variant].call();
}
}
|
