I'm encountering an error in my ng serve logs despite the function functioning properly with no issues. However, I am concerned as this may pose a problem when building for production. How can I resolve this error?
uuidv4() {
return ([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
)
}
In my service, I call it using `this.uuidv4()` to generate a unique ID.
Now I see the purpose of this code. The expression [1e7]+-1e3+-4e3+-8e3+-1e11 cleverly uses type coercion with the addition operator in JavaScript. For instance, []+0 results in "0" and [1]-1 gives "1-1". While it works in JavaScript, TypeScript may flag it as a warning since such code is often indicative of a mistake.
This expression serves as a mini example of code golfing, representing
"10000000-1000-4000-8000-100000000000"return "10000000-1000-4000-8000-100000000000".replace(/[018]/g, c =>
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
)
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