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array literals uses typed arrays; fix a jsgen bug (#16850)

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* array litterals uses typed arrays
* Update compiler/jsgen.nim

Co-authored-by: Timothee Cour <timothee.cour2@gmail.com>
Co-authored-by: Andreas Rumpf <rumpf_a@web.de>
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flywind 2021-02-15 04:28:11 -06:00 • committed by GitHub
commit 240879bf3d
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6 changed files with 81 additions and 31 deletions
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tests/js/ttypedarray.nim Normal file
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import std/private/jsutils
proc main()=
template fn(a): untyped = jsConstructorName(a)
doAssert fn(array[2, int8].default) == "Int8Array"
doAssert fn(array[2, uint8].default) == "Uint8Array"
doAssert fn(array[2, byte].default) == "Uint8Array"
# doAssert fn(array[2, char].default) == "Uint8Array" # xxx fails; bug?
doAssert fn(array[2, uint64].default) == "Array"
# pending https://github.com/nim-lang/RFCs/issues/187 maybe use `BigUint64Array`
doAssert fn([1'u8]) == "Uint8Array"
doAssert fn([1'u16]) == "Uint16Array"
doAssert fn([byte(1)]) == "Uint8Array"
doAssert fn([1.0'f32]) == "Float32Array"
doAssert fn(array[2, float32].default) == "Float32Array"
doAssert fn(array[2, float].default) == "Float64Array"
doAssert fn(array[2, float64].default) == "Float64Array"
doAssert fn([1.0]) == "Float64Array"
doAssert fn([1.0'f64]) == "Float64Array"
main()