Method validate

packages/amis/src/renderers/Form/InputTable.tsx:557–631

()

  }

  async validate(): Promise<string | void> {
    const {value, translate: __, columns} = this.props;
    const minLength = this.resolveVariableProps(this.props, 'minLength');
    const maxLength = this.resolveVariableProps(this.props, 'maxLength');

    // todo: 如果当前正在编辑中，表单提交了，应该先让正在编辑的东西提交然后再做验证。
    if (this.state.editIndex) {
      return __('Table.editing');
    }

    if (minLength && (!Array.isArray(value) || value.length < minLength)) {
      return __('Combo.minLength', {minLength});
    } else if (maxLength && Array.isArray(value) && value.length > maxLength) {
      return __('Combo.maxLength', {maxLength});
    } else {
      const subForms: Array<any> = [];
      Object.keys(this.subForms).forEach(
        key => this.subForms[key] && subForms.push(this.subForms[key])
      );
      if (subForms.length) {
        const results = await Promise.all(
          subForms.map(item => item.validate())
        );

        let msg = ~results.indexOf(false) ? __('Form.validateFailed') : '';
        let uniqueColumn = '';

        if (
          !msg &&
          Array.isArray(columns) &&
          Array.isArray(value) &&
          columns.some(item => {
            if (item.unique && item.name) {
              let exists: Array<any> = [];

              return value.some((obj: any) => {
                const value = getVariable(obj, item.name);

                if (~exists.indexOf(value)) {
                  uniqueColumn = `${item.label || item.name}`;
                  return true;
                }

                exists.push(value);
                return false;
              });
            }

            return false;
          })
        ) {
          msg = __('InputTable.uniqueError', {
            label: uniqueColumn
          });
        }

        if (msg) {
          return msg;