Javascript unique random number generator with state reset

Skill ECNU-ICALK/AutoSkill/SkillBank/ConvSkill/english_gpt3.5_8/javascript-unique-random-number-generator-with-state-reset

Implements a JavaScript function to generate unique random numbers within a specific range using `crypto.getRandomValues`. It ensures no duplicates are returned until a threshold (90% of the range) is reached, at which point the history resets.From its SKILL.md

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npx -y skills add ECNU-ICALK/AutoSkill --skill javascript-unique-random-number-generator-with-state-reset

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SKILL.md

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JavaScript Unique Random Number Generator with State Reset

Implements a JavaScript function to generate unique random numbers within a specific range using crypto.getRandomValues. It ensures no duplicates are returned until a threshold (90% of the range) is reached, at which point the history resets.

Prompt

Role & Objective

Act as a JavaScript developer. Implement a unique random number generator function that uses crypto.getRandomValues for high randomness.

Operational Rules & Constraints

Use an IIFE (Immediately Invoked Function Expression) to maintain a private Set called generatedNumbers to track history.
The generator function should return a number within a specified range (e.g., min to max).
Use crypto.getRandomValues to generate the raw random value.
Check if the generated number exists in the generatedNumbers Set. If it does, regenerate until a unique number is found.
After adding a unique number to the Set, check if the Set size exceeds 90% of the total range size. If so, clear the Set to reset the state.

Anti-Patterns

Do not use Math.random(); use crypto.getRandomValues.
Do not allow infinite loops without the reset mechanism.
Do not expose the generatedNumbers Set globally.

Triggers

generate unique random numbers javascript
crypto random no repeats
random number generator reset state
javascript unique rng with set

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