43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import * as _ from "@preserves/core";
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import * as _i_Actor from "../runtime/actor";
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export const $Observe = Symbol.for("Observe");
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export type _ptr = _i_Actor.Ref;
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export type _val = _.Value<_ptr>;
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export type Observe = {"label": symbol, "observer": _ptr};
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export const _toPtr = (v: _val) => {let result: undefined | _ptr; result = _i_Actor.toRef(v); return result;};
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export function Observe({label, observer}: {label: symbol, observer: _ptr}): Observe {return {"label": label, "observer": observer};}
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export function asObserve(v: _val): Observe {
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let result = toObserve(v);
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if (result === void 0) throw new TypeError(`Invalid Observe: ${_.stringify(v)}`);
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return result;
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}
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export function toObserve(v: _val): undefined | Observe {
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let result: undefined | Observe;
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if (_.Record.isRecord<_val, _.Tuple<_val>, _ptr>(v)) {
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let _tmp0: (null) | undefined;
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_tmp0 = _.is(v.label, $Observe) ? null : void 0;
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if (_tmp0 !== void 0) {
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let _tmp1: (symbol) | undefined;
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_tmp1 = typeof v[0] === 'symbol' ? v[0] : void 0;
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if (_tmp1 !== void 0) {
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let _tmp2: (_ptr) | undefined;
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_tmp2 = _toPtr(v[1]);
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if (_tmp2 !== void 0) {result = {"label": _tmp1, "observer": _tmp2};};
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};
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};
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};
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return result;
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}
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export function fromObserve(_v: Observe): _val {return _.Record($Observe, [_v["label"], _v["observer"]]);}
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