1.1.45 • Published 4 months ago

custom-class-validator-tools v1.1.45

Weekly downloads
-
License
MIT
Repository
-
Last release
4 months ago

String type decorator

DecoratorTypeDescription
@IsNullableStringstringnullIf want to ignore value ≠= ‘’, @IsNullableString({ blank: true })
@IsUndefinableStringstringundefinedIf want to ignore value ≠= ‘’, @IsUndefinableString({ blank: true })
@IsOptionalStringstringnullundefinedIf want to ignore value ≠= ‘’, @IsOptionalString({ blank: true })
@IsNotEmptyNumberStringstringChecks a string is a number
@IsNotEmptyBooleanStringstringChecks a string is a boolean
@IsNullableNumberStringstringnullChecks a string is a number or null
@IsNullableBooleanStringstringnullChecks a string is a boolean or null
@IsUndefinableNumberStringstringundefinedChecks a string is a number or undefined
@IsUndefinableBooleanStringstringundefinedChecks a string is a boolean or null
@IsOptionalNumberStringstringnullundefinedChecks a string is a number or null or undefined
@IsOptionalBooleanStringstringnullundefinedChecks a string is a boolean or null or undefined

Number type decorator

DecoratorType
@IsNotEmptyNumbernumber
@IsNullableNumbernubmernull
@IsUndefinableNumbernumberundefined
@IsOptionalNumbernumbernullundefined

Boolean type decorator

DecoratorType
@IsNotEmptyBooleanboolean
@IsNullableBooleanbooleannull
@IsUndefinalbeBooleanbooleanundefined
@IsOptionalBooleanbooleannullundefined

ValidateNested usage case

import { isNotEmptyString, IsNotEmptyBoolean, isNullable, IsUndefinable } from 'custom-class-validator-tools';
import { IsInstance, ArrayNotEmpty, ValidateNested } from 'class-validator';
import { Type } from 'class-transformer';

class Tag {
  @IsNotEmptyString()
  tag1: string;
  @IsNotEmptyString()
  tag2: string;
}

class Result {
  @IsNotEmptyBoolean()
  failed: boolean;
}

class Post {
  @IsNullable()
  @ArrayNotEmpty()
  @IsInstance(Tag, { each: true })
  @ValidateNested({ each: true })
  @Type(() => Tag)
  tags: Tag[] | null;

  @IsUndefinable()
  @IsInstance(Result)
  @ValidateNested()
  @Type(() => Result)
  result?: Result;
}
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