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In AssemblyScript, Sieve of Eratosthenes can be written as

assemblyscript/assembly/prime.ts

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Build AssemblyScript to 'Glue JavaScript' and WebAssembly.
asc command is used here to build which is installed by assemblyscript.

build with asc command

asc assembly/prime.ts --target release

Other asc command options can be found at Using the compiler.

Or, you can use npm.
asbuild:release which runs the same command above defined in package.json.

build with npm command

npm run asbuild:release

This generates glue JavaScript and wasm.

Now, run the test written in tests/index.js.

run tests

node tests

or, alternatively

run tests
npm run test

The test would show

output
(Use `node --trace-warnings ...` to show where the warning was created)
test ok
max prime = 9973
duration [ms] = 2.88

The following table shows the calculated prime for given "N".