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locale.ts
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locale.ts
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import printValue from './util/printValue';
import { Message } from './types';
import ValidationError from './ValidationError';
export interface MixedLocale {
default?: Message;
required?: Message;
oneOf?: Message<{ values: any }>;
notOneOf?: Message<{ values: any }>;
notNull?: Message;
notType?: Message;
defined?: Message;
}
export interface StringLocale {
length?: Message<{ length: number }>;
min?: Message<{ min: number }>;
max?: Message<{ max: number }>;
matches?: Message<{ regex: RegExp }>;
email?: Message<{ regex: RegExp }>;
url?: Message<{ regex: RegExp }>;
uuid?: Message<{ regex: RegExp }>;
trim?: Message;
lowercase?: Message;
uppercase?: Message;
}
export interface NumberLocale {
min?: Message<{ min: number }>;
max?: Message<{ max: number }>;
lessThan?: Message<{ less: number }>;
moreThan?: Message<{ more: number }>;
positive?: Message<{ more: number }>;
negative?: Message<{ less: number }>;
integer?: Message;
}
export interface DateLocale {
min?: Message<{ min: Date | string }>;
max?: Message<{ max: Date | string }>;
}
export interface ObjectLocale {
noUnknown?: Message;
}
export interface ArrayLocale {
length?: Message<{ length: number }>;
min?: Message<{ min: number }>;
max?: Message<{ max: number }>;
}
export interface TupleLocale {
notType?: Message;
}
export interface BooleanLocale {
isValue?: Message;
}
export interface LocaleObject {
mixed?: MixedLocale;
string?: StringLocale;
number?: NumberLocale;
date?: DateLocale;
boolean?: BooleanLocale;
object?: ObjectLocale;
array?: ArrayLocale;
}
export let mixed: Required<MixedLocale> = {
default: '${path} is invalid',
required: '${path} is a required field',
defined: '${path} must be defined',
notNull: '${path} cannot be null',
oneOf: '${path} must be one of the following values: ${values}',
notOneOf: '${path} must not be one of the following values: ${values}',
notType: ({ path, type, value, originalValue }) => {
const castMsg =
originalValue != null && originalValue !== value
? ` (cast from the value \`${printValue(originalValue, true)}\`).`
: '.';
return type !== 'mixed'
? `${path} must be a \`${type}\` type, ` +
`but the final value was: \`${printValue(value, true)}\`` +
castMsg
: `${path} must match the configured type. ` +
`The validated value was: \`${printValue(value, true)}\`` +
castMsg;
},
};
export let string: Required<StringLocale> = {
length: '${path} must be exactly ${length} characters',
min: '${path} must be at least ${min} characters',
max: '${path} must be at most ${max} characters',
matches: '${path} must match the following: "${regex}"',
email: '${path} must be a valid email',
url: '${path} must be a valid URL',
uuid: '${path} must be a valid UUID',
trim: '${path} must be a trimmed string',
lowercase: '${path} must be a lowercase string',
uppercase: '${path} must be a upper case string',
};
export let number: Required<NumberLocale> = {
min: '${path} must be greater than or equal to ${min}',
max: '${path} must be less than or equal to ${max}',
lessThan: '${path} must be less than ${less}',
moreThan: '${path} must be greater than ${more}',
positive: '${path} must be a positive number',
negative: '${path} must be a negative number',
integer: '${path} must be an integer',
};
export let date: Required<DateLocale> = {
min: '${path} field must be later than ${min}',
max: '${path} field must be at earlier than ${max}',
};
export let boolean: BooleanLocale = {
isValue: '${path} field must be ${value}',
};
export let object: Required<ObjectLocale> = {
noUnknown: '${path} field has unspecified keys: ${unknown}',
};
export let array: Required<ArrayLocale> = {
min: '${path} field must have at least ${min} items',
max: '${path} field must have less than or equal to ${max} items',
length: '${path} must have ${length} items',
};
export let tuple: Required<TupleLocale> = {
notType: (params) => {
const { path, value, spec } = params;
const typeLen = spec.types.length;
if (Array.isArray(value)) {
if (value.length < typeLen)
return `${path} tuple value has too few items, expected a length of ${typeLen} but got ${
value.length
} for value: \`${printValue(value, true)}\``;
if (value.length > typeLen)
return `${path} tuple value has too many items, expected a length of ${typeLen} but got ${
value.length
} for value: \`${printValue(value, true)}\``;
}
return ValidationError.formatError(mixed.notType, params);
},
};
export default Object.assign(Object.create(null), {
mixed,
string,
number,
date,
object,
array,
boolean,
}) as LocaleObject;