diff options
Diffstat (limited to 'packages/pipeline/src/utils/transformers/big_number.ts')
-rw-r--r-- | packages/pipeline/src/utils/transformers/big_number.ts | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/packages/pipeline/src/utils/transformers/big_number.ts b/packages/pipeline/src/utils/transformers/big_number.ts new file mode 100644 index 000000000..5f2e4d565 --- /dev/null +++ b/packages/pipeline/src/utils/transformers/big_number.ts @@ -0,0 +1,16 @@ +import { BigNumber } from '@0x/utils'; +import { ValueTransformer } from 'typeorm/decorator/options/ValueTransformer'; + +export class BigNumberTransformer implements ValueTransformer { + // tslint:disable-next-line:prefer-function-over-method + public to(value: BigNumber | null): string | null { + return value === null ? null : value.toString(); + } + + // tslint:disable-next-line:prefer-function-over-method + public from(value: string | null): BigNumber | null { + return value === null ? null : new BigNumber(value); + } +} + +export const bigNumberTransformer = new BigNumberTransformer(); |