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authorFabio Berger <me@fabioberger.com>2017-11-14 06:42:42 +0800
committerFabio Berger <me@fabioberger.com>2017-11-14 06:42:42 +0800
commit3e8e3478a3d770b16a5e6fec1fbd43a3d7967450 (patch)
treed291bf183c343b864369e4ef204c5637d3168a21 /packages/assert/src/index.ts
parentcf29530dd0303e5ef1f49c1ce889bafc62921cf2 (diff)
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Rename assert sub-package and removed duplicate methods from 0x.js's assert module
Diffstat (limited to 'packages/assert/src/index.ts')
-rw-r--r--packages/assert/src/index.ts84
1 files changed, 0 insertions, 84 deletions
diff --git a/packages/assert/src/index.ts b/packages/assert/src/index.ts
deleted file mode 100644
index b391a8bbb..000000000
--- a/packages/assert/src/index.ts
+++ /dev/null
@@ -1,84 +0,0 @@
-import BigNumber from 'bignumber.js';
-import * as ethereum_address from 'ethereum-address';
-import * as _ from 'lodash';
-import * as validUrl from 'valid-url';
-
-import {SchemaValidator, Schema} from '0x-json-schemas';
-
-const HEX_REGEX = /^0x[0-9A-F]*$/i;
-
-export const assert = {
- isBigNumber(variableName: string, value: BigNumber): void {
- const isBigNumber = _.isObject(value) && (value as any).isBigNumber;
- this.assert(isBigNumber, this.typeAssertionMessage(variableName, 'BigNumber', value));
- },
- isUndefined(value: any, variableName?: string): void {
- this.assert(_.isUndefined(value), this.typeAssertionMessage(variableName, 'undefined', value));
- },
- isString(variableName: string, value: string): void {
- this.assert(_.isString(value), this.typeAssertionMessage(variableName, 'string', value));
- },
- isFunction(variableName: string, value: any): void {
- this.assert(_.isFunction(value), this.typeAssertionMessage(variableName, 'function', value));
- },
- isHexString(variableName: string, value: string): void {
- this.assert(_.isString(value) && HEX_REGEX.test(value),
- this.typeAssertionMessage(variableName, 'HexString', value));
- },
- isETHAddressHex(variableName: string, value: string): void {
- this.assert(ethereum_address.isAddress(value), this.typeAssertionMessage(variableName, 'ETHAddressHex', value));
- this.assert(
- ethereum_address.isAddress(value) && value.toLowerCase() === value,
- `Checksummed addresses are not supported. Convert ${variableName} to lower case before passing`,
- );
- },
- doesBelongToStringEnum(variableName: string, value: string,
- stringEnum: any /* There is no base type for every string enum */): void {
- const doesBelongToStringEnum = !_.isUndefined(stringEnum[value]);
- const enumValues = _.keys(stringEnum);
- const enumValuesAsStrings = _.map(enumValues, enumValue => `'${enumValue}'`);
- const enumValuesAsString = enumValuesAsStrings.join(', ');
- assert.assert(
- doesBelongToStringEnum,
- `Expected ${variableName} to be one of: ${enumValuesAsString}, encountered: ${value}`,
- );
- },
- hasAtMostOneUniqueValue(value: any[], errMsg: string): void {
- this.assert(_.uniq(value).length <= 1, errMsg);
- },
- isNumber(variableName: string, value: number): void {
- this.assert(_.isFinite(value), this.typeAssertionMessage(variableName, 'number', value));
- },
- isBoolean(variableName: string, value: boolean): void {
- this.assert(_.isBoolean(value), this.typeAssertionMessage(variableName, 'boolean', value));
- },
- isWeb3Provider(variableName: string, value: any): void {
- const isWeb3Provider = _.isFunction((value as any).send) || _.isFunction((value as any).sendAsync);
- this.assert(isWeb3Provider, this.typeAssertionMessage(variableName, 'Web3.Provider', value));
- },
- doesConformToSchema(variableName: string, value: any, schema: Schema): void {
- const schemaValidator = new SchemaValidator();
- const validationResult = schemaValidator.validate(value, schema);
- const hasValidationErrors = validationResult.errors.length > 0;
- const msg = `Expected ${variableName} to conform to schema ${schema.id}
-Encountered: ${JSON.stringify(value, null, '\t')}
-Validation errors: ${validationResult.errors.join(', ')}`;
- this.assert(!hasValidationErrors, msg);
- },
- isHttpUrl(variableName: string, value: any): void {
- const isValidUrl = validUrl.isWebUri(value);
- this.assert(isValidUrl, this.typeAssertionMessage(variableName, 'http url', value));
- },
- isUri(variableName: string, value: any): void {
- const isValidUri = validUrl.isUri(value);
- this.assert(isValidUri, this.typeAssertionMessage(variableName, 'uri', value));
- },
- assert(condition: boolean, message: string): void {
- if (!condition) {
- throw new Error(message);
- }
- },
- typeAssertionMessage(variableName: string, type: string, value: any): string {
- return `Expected ${variableName} to be of type ${type}, encountered: ${value}`;
- },
-};