54 lines
1 KiB
TypeScript
54 lines
1 KiB
TypeScript
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import * as mongo from 'mongodb';
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type Type = 'id' | 'string' | 'number' | 'boolean' | 'array' | 'object';
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export default <T>(value: any, isRequired: boolean, type: Type): [T, string] => {
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if (value === undefined || value === null) {
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if (isRequired) {
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return [null, 'is-required']
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} else {
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return [null, null]
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}
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}
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switch (type) {
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case 'id':
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if (typeof value != 'string' || !mongo.ObjectID.isValid(value)) {
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return [null, 'incorrect-id'];
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}
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break;
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case 'string':
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if (typeof value != 'string') {
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return [null, 'must-be-a-string'];
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}
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break;
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case 'number':
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if (!Number.isFinite(value)) {
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return [null, 'must-be-a-number'];
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}
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break;
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case 'boolean':
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if (typeof value != 'boolean') {
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return [null, 'must-be-an-boolean'];
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}
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break;
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case 'array':
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if (!Array.isArray(value)) {
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return [null, 'must-be-an-array'];
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}
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break;
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case 'object':
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if (typeof value != 'object') {
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return [null, 'must-be-an-onject'];
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}
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break;
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}
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return [value, null];
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};
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