File size: 3,645 Bytes
68d7816 | 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 | import { Disposable } from '#/_base/di/lifecycle';
import { LifecycleScope } from '#/app/scopes';
import { ScopeActivation, registerScopedService } from '#/_base/di/scope';
import { parseBooleanEnv } from '#/_base/utils/env';
import { IBootstrapService } from '#/app/bootstrap/bootstrap';
import { IConfigService } from '#/app/config/config';
import {
type ExperimentalFeatureState,
type ExperimentalFlagConfig,
type ExperimentalFlagMap,
type ExperimentalFlagSource,
EXPERIMENTAL_SECTION,
IFlagService,
} from './flag';
import { type FlagDefinitionInput, type FlagId, IFlagRegistry } from './flagRegistry';
export const MASTER_ENV = 'KIMI_CODE_EXPERIMENTAL_FLAG';
export class FlagService extends Disposable implements IFlagService {
declare readonly _serviceBrand: undefined;
readonly registry: IFlagRegistry;
private configOverrides: ExperimentalFlagConfig;
constructor(
@IBootstrapService private readonly bootstrap: IBootstrapService,
@IConfigService private readonly config: IConfigService,
@IFlagRegistry registry: IFlagRegistry,
) {
super();
this.registry = registry;
this.configOverrides = this.readConfig();
this._register(
this.config.onDidChangeConfiguration((e) => {
if (e.domain === EXPERIMENTAL_SECTION) {
this.configOverrides = this.readConfig();
}
}),
);
}
private readConfig(): ExperimentalFlagConfig {
return this.config.get<ExperimentalFlagConfig>(EXPERIMENTAL_SECTION) ?? {};
}
setConfigOverrides(overrides: ExperimentalFlagConfig | undefined): void {
this.configOverrides = overrides ?? {};
}
enabled(id: FlagId): boolean {
return this.explain(id)?.enabled ?? false;
}
explain(id: FlagId): ExperimentalFeatureState | undefined {
const def = this.registry.get(id);
if (def === undefined) return undefined;
const configValue = this.configOverrides[def.id];
const override = parseBooleanEnv(this.bootstrap.getEnv(def.env));
if (override !== undefined) return this.state(def, override, 'env', configValue);
if (configValue !== undefined) return this.state(def, configValue, 'config', configValue);
if (parseBooleanEnv(this.bootstrap.getEnv(MASTER_ENV)) === true) {
return this.state(def, true, 'master-env', configValue);
}
return this.state(def, def.default, 'default', undefined);
}
snapshot(): ExperimentalFlagMap {
return Object.fromEntries(
this.registry.list().map((def) => [def.id, this.enabled(def.id)]),
);
}
enabledIds(): readonly FlagId[] {
return this.registry
.list()
.filter((def) => this.enabled(def.id))
.map((def) => def.id);
}
exposedIds(): readonly FlagId[] {
return this.registry
.list()
.filter((def) => this.enabled(def.id))
.filter((def) => def.isExposed?.(this) ?? true)
.map((def) => def.id);
}
explainAll(): readonly ExperimentalFeatureState[] {
return this.registry
.list()
.map((def) => this.explain(def.id))
.filter((state): state is ExperimentalFeatureState => state !== undefined);
}
private state(
def: FlagDefinitionInput,
enabled: boolean,
source: ExperimentalFlagSource,
configValue: boolean | undefined,
): ExperimentalFeatureState {
return {
id: def.id,
title: def.title,
description: def.description,
surface: def.surface,
env: def.env,
defaultEnabled: def.default,
enabled,
source,
configValue,
};
}
}
registerScopedService(
LifecycleScope.App,
IFlagService,
FlagService,
ScopeActivation.OnScopeCreated,
'flag',
);
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