Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1x 2x 3x 6x 1x 2x 2x 2x 2x 2x 3x 2x 1x 3x 2x 2x 2x 2x 1x 1x 2x 2x 2x 2x 1x 1x 1x 5x 5x 8x 8x | import { XEvent, XGroup, XGroupSpec, XInit } from '../typing';
import { defineGetters } from '../utils';
import { isXGroup } from '../xgroup/xgroup';
import { Feature, ExperimentDescription, ExperimentsObserver, FeatureDescription, FeatureChangeObserver } from './feature.typings';
import { createConsoleReporter } from '../../reporter/console';
const featuresRegistry = {} as {[id: string]: Feature<any, any>};
const experimentsRegistry = {} as {
[id: string]: {
feature: Feature<string, XGroup<string, XGroupSpec, XInit>>;
description: ExperimentDescription;
};
};
const experimentsObservers = [] as ExperimentsObserver[];
const featureChangeObservers = [] as FeatureChangeObserver[];
export function createFeature<
ID extends string,
XG extends XGroup<string, XGroupSpec, XInit>,
>(
descr: FeatureDescription<ID, XG>,
): Feature<ID, XG> {
const existsEeature = featuresRegistry[descr.id];
Iif (existsEeature !== void 0) {
Object.assign(existsEeature, descr);
return existsEeature;
}
Eif (isXGroup(descr.events)) {
descr.events.$on((xevt) => {
notifyExperimentsObservers(feature, xevt);
});
}
const feature = defineGetters({...descr}, {
split() {
return getFeatureState(feature, 'split');
},
active() {
return this.enabled && !!getFeatureState(feature, 'active');
},
enabled() {
return !!getFeatureState(feature, 'enabled');
},
released() {
return !!getFeatureState(feature, 'released');
},
});
featuresRegistry[feature.id] = feature;
Iif (experimentsRegistry[feature.id] !== void 0) {
experimentsRegistry[feature.id].feature = feature;
}
notifyFeatureChangeObservers(feature);
return feature;
}
export function setupExperiment(
feature: Feature<string, any>,
description: Partial<ExperimentDescription>,
) {
if (experimentsRegistry[feature.id] === void 0) {
experimentsRegistry[feature.id] = {
feature,
description: {
split: null,
active: false,
enabled: false,
released: false,
...description,
},
};
} else {
Object.assign(experimentsRegistry[feature.id].description, description);
}
notifyFeatureChangeObservers(feature);
}
export function getFeature<ID extends string>(id: ID): Feature<ID, any> | null {
return featuresRegistry[id] === void 0 ? null : featuresRegistry[id];
}
export function getAllFeatures() {
return Object.values(featuresRegistry);
}
export function getAllExperiment() {
return Object.values(experimentsRegistry);
}
export function addExperimentsObserver(fn: ExperimentsObserver) {
experimentsObservers.push(fn);
return () => {
const idx = experimentsObservers.indexOf(fn);
(idx !== -1) && experimentsObservers.splice(idx, 1);
};
}
const _verboseReporter = createConsoleReporter();
let _verboseExperimentsUnobserve = null as (null | (() => void))
export type VerboseFilter = (
feature: Feature<string, any>,
xevt: XEvent<string, any, any>,
) => boolean;
export function verboseExperiments(state?: boolean | VerboseFilter) {
_verboseExperimentsUnobserve && _verboseExperimentsUnobserve();
_verboseExperimentsUnobserve = null;
if (state === true) {
_verboseExperimentsUnobserve = addExperimentsObserver(_verboseReporter);
} else if (typeof state === 'function') {
_verboseExperimentsUnobserve = addExperimentsObserver((f, e) => {
state(f, e) && _verboseReporter(f, e);
});
}
}
export function addFeatureChangeObserver(fn: FeatureChangeObserver) {
featureChangeObservers.push(fn);
return () => {
const idx = featureChangeObservers.indexOf(fn);
(idx !== -1) && featureChangeObservers.splice(idx, 1);
};
}
function notifyExperimentsObservers(feature: Feature<string, any>, xevt: XEvent<string, any, any>) {
let idx = experimentsObservers.length;
while (idx--) {
experimentsObservers[idx](feature, xevt);
}
}
function notifyFeatureChangeObservers(feature: Feature<string, any>) {
let idx = featureChangeObservers.length;
while (idx--) {
featureChangeObservers[idx](feature);
}
}
function getFeatureState<K extends keyof ExperimentDescription>(
descr: FeatureDescription<string, any>,
key: K,
): ExperimentDescription[K] | null {
const item = experimentsRegistry[descr.id];
return item === void 0 ? null : item.description[key];
}
|