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added Number.toFixed function #621

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9 changes: 7 additions & 2 deletions devs/run-tests/02numbers.ts
Original file line number Diff line number Diff line change
Expand Up @@ -242,10 +242,15 @@ function testEnumToString() {
assert(enumTest + "" === "1", "enum tostring in concatenation")
}

function testToFixed() {
const numObj = 12345.6789;

assert(numObj.toFixed(5) === '12346', 'testToFixed') // '12346'; rounding, no fractional part
}

testComma()
testNums()
testNaN()
testUnaryPlus()
testEnumToString()


testToFixed()
13 changes: 12 additions & 1 deletion packages/core/src/corelib.d.ts
Original file line number Diff line number Diff line change
Expand Up @@ -197,7 +197,18 @@ interface StringConstructor {
declare var String: StringConstructor

interface Boolean {}
interface Number {}

interface NumberConstructor {
readonly prototype: Number
}

declare var Number: NumberConstructor

interface Number {

// todo
toFixed(digits?: number): string
}

interface RegExp {}
interface IterableIterator<T> {}
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3 changes: 2 additions & 1 deletion packages/core/src/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -14,4 +14,5 @@ import "./button"
import "./magneticfieldlevel"
import "./buzzer"
import "./ledstrip"
import "./gamepad"
import "./gamepad"
import "./number"
3 changes: 3 additions & 0 deletions packages/core/src/number.ts
Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
Number.prototype.toFixed = function(digits: number = 0): string {
return "";
}
3 changes: 2 additions & 1 deletion runtime/devicescript/objects.c
Original file line number Diff line number Diff line change
Expand Up @@ -261,8 +261,9 @@ static const uint8_t builtin_proto_idx[] = {
[DEVS_BUILTIN_OBJECT_BUFFER] = 10,
[DEVS_BUILTIN_OBJECT_GPIO_PROTOTYPE] = 11,
[DEVS_BUILTIN_OBJECT_GPIO] = 12,
[DEVS_BUILTIN_OBJECT_NUMBER_PROTOTYPE] = 13,
};
#define MAX_PROTO 12
#define MAX_PROTO 13

devs_maplike_t *devs_get_builtin_object(devs_ctx_t *ctx, unsigned idx) {
if (idx < sizeof(builtin_proto_idx)) {
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