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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | 4x 29x 4x 4x 42x 4x 8x 21x | import { z } from 'zod'
const uid = () => String(Math.random()).substring(2)
/**
* Zod validation schema for {@link Choice}
*/
export const ChoiceSchema = z.strictObject({
id: z.string().optional(),
answer: z.string(),
isCorrect: z.boolean(),
})
export type Choice = z.infer<typeof ChoiceSchema>
/**
* Zod validation schema for {@link Question}
*/
export const QuestionSchema = z.strictObject({
id: z.string().optional(),
question: z.string(),
choices: z.array(ChoiceSchema),
})
export type Question = z.infer<typeof QuestionSchema>
type CreateChoiceParams = Partial<Choice>
type CreateQuestionParams = Partial<Omit<Question, 'choices'> & { choices: CreateChoiceParams[] }>
/**
* Create a Choice object with the given parameters.
* If no parameters are given, default values will be used.
* The parameters include an ID, answer, and a boolean that indicates whether or not the choice is correct.
* The default value of isCorrect is false.
*
* @example ```ts
* const myChoice = createChoice({
* answer: 'The answer is 42',
* isCorrect: true,
* });
* console.log(myChoice); // Output: { id: '<random uuid>', answer: 'The answer is 42', isCorrect: true }
* ```
*/
export const createChoice = ({ id = uid(), answer = '', isCorrect = false }: CreateChoiceParams = {}): Choice => ({
id,
answer,
isCorrect,
})
/**
* Create a Question object with the given parameters.
* If no parameters are given, default values will be used.
* The parameters include an ID, question, and an array of Choice object.
* The default awswer is an empty choice which is marked as default correct answer.
*
* @example ```ts
* const myQuestion = createQuestion({
* question: 'What is the answer to the ultimate question of life, the universe, and everything?',
* choices: [
* { answer: 'I dunno', isCorrect: true },
* { answer: '12', isCorrect: false },
* { answer: '21', isCorrect: false },
* ],
* })
* console.log(myQuestion);
* ```
*/
export const createQuestion = ({
id = uid(),
question = '',
choices = [createChoice({ isCorrect: true })],
}: CreateQuestionParams = {}): Question => ({
id,
question,
choices: choices.map((c) => createChoice(c)),
})
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