12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485
import { hasSameType } from '../utils/utils.ts'import { VisitorDelegate } from '../visitor/index.ts'import { FlagMetadata, IFlagMetadata } from './FlagMetadata.ts'
export type FlagValue<S> = {  defaultValue: S,  userExposed?: boolean}
export interface IFlag<T>{  /**   * Return the current flag value if the flag key exists in Flagship and activate it if needed.   * @param defaultValue   * @param userExposed   */    getValue(userExposed?:boolean):T    /**     * Return true if the flag exists, false otherwise.     */    exists:()=>boolean    /**     * activate the current key     */    userExposed:()=>Promise<void>    /**     * Return The campaign metadata object.     */    metadata:IFlagMetadata}
export class Flag<T> implements IFlag<T> {  private _visitor:VisitorDelegate  private _key:string  // eslint-disable-next-line @typescript-eslint/no-explicit-any  private _defaultValue:any  constructor (param: {key:string, visitor:VisitorDelegate, defaultValue:T}) {    const { key, visitor, defaultValue } = param    this._key = key    this._visitor = visitor    this._defaultValue = defaultValue  }
  exists ():boolean {    const flagDTO = this._visitor.flagsData.get(this._key)    return !!(flagDTO?.campaignId && flagDTO.variationId && flagDTO.variationGroupId)  }
  get metadata ():IFlagMetadata {    const flagDTO = this._visitor.flagsData.get(this._key)    const metadata = new FlagMetadata({      campaignId: flagDTO?.campaignId || '',      variationGroupId: flagDTO?.variationGroupId || '',      variationId: flagDTO?.variationId || '',      isReference: !!flagDTO?.isReference,      campaignType: flagDTO?.campaignType || '',      slug: flagDTO?.slug    })
    if (!flagDTO) {      return metadata    }
    return this._visitor.getFlagMetadata({      metadata,      hasSameType: !flagDTO.value || hasSameType(flagDTO.value, this._defaultValue),      key: flagDTO.key    })  }
  userExposed ():Promise<void> {    const flagDTO = this._visitor.flagsData.get(this._key)    return this._visitor.userExposed({ key: this._key, flag: flagDTO, defaultValue: this._defaultValue })  }
  getValue (userExposed = true) : T {    const flagDTO = this._visitor.flagsData.get(this._key)    return this._visitor.getFlagValue({      key: this._key,      defaultValue: this._defaultValue,      flag: flagDTO,      userExposed    })  }}