Method init

packages/common/http/src/params.ts:321–356

()

  }

  private init() {
    if (this.map === null) {
      this.map = new Map<string, string[]>();
    }
    if (this.cloneFrom !== null) {
      this.cloneFrom.init();
      this.cloneFrom.keys().forEach((key) => this.map!.set(key, this.cloneFrom!.map!.get(key)!));
      this.updates!.forEach((update) => {
        switch (update.op) {
          case 'a':
          case 's':
            const base = (update.op === 'a' ? this.map!.get(update.param) : undefined) || [];
            base.push(valueToString(update.value!));
            this.map!.set(update.param, base);
            break;
          case 'd':
            if (update.value !== undefined) {
              let base = this.map!.get(update.param) || [];
              const idx = base.indexOf(valueToString(update.value));
              if (idx !== -1) {
                base.splice(idx, 1);
              }
              if (base.length > 0) {
                this.map!.set(update.param, base);
              } else {
                this.map!.delete(update.param);
              }
            } else {
              this.map!.delete(update.param);
              break;
            }
        }
      });
      this.cloneFrom = this.updates = null;
    }
  }
}