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240879bf3d
* 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>
39 lines
1.4 KiB
Nim
39 lines
1.4 KiB
Nim
when defined(js):
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import std/jsbigints
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type
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ArrayBuffer* = ref object of JsRoot
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Float64Array* = ref object of JsRoot
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Uint32Array* = ref object of JsRoot
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Uint8Array* = ref object of JsRoot
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BigUint64Array* = ref object of JsRoot
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func newArrayBuffer*(n: int): ArrayBuffer {.importjs: "new ArrayBuffer(#)".}
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func newFloat64Array*(buffer: ArrayBuffer): Float64Array {.importjs: "new Float64Array(#)".}
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func newUint32Array*(buffer: ArrayBuffer): Uint32Array {.importjs: "new Uint32Array(#)".}
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func newBigUint64Array*(buffer: ArrayBuffer): BigUint64Array {.importjs: "new BigUint64Array(#)".}
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func newUint8Array*(n: int): Uint8Array {.importjs: "new Uint8Array(#)".}
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func `[]`*(arr: Uint32Array, i: int): uint32 {.importjs: "#[#]".}
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func `[]`*(arr: Uint8Array, i: int): uint8 {.importjs: "#[#]".}
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func `[]`*(arr: BigUint64Array, i: int): JsBigInt {.importjs: "#[#]".}
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func `[]=`*(arr: Float64Array, i: int, v: float) {.importjs: "#[#] = #".}
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proc jsTypeOf*[T](x: T): cstring {.importjs: "typeof(#)".}
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## Returns the name of the JsObject's JavaScript type as a cstring.
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# xxx replace jsffi.jsTypeOf with this definition and add tests
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proc jsConstructorName*[T](a: T): cstring =
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asm """`result` = `a`.constructor.name"""
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proc hasJsBigInt*(): bool =
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asm """`result` = typeof BigInt != 'undefined'"""
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proc hasBigUint64Array*(): bool =
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asm """`result` = typeof BigUint64Array != 'undefined'"""
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