47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
import { observable } from "@trpc/server/observable";
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//#region src/links/internals/createChain.ts
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/** @internal */
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function createChain(opts) {
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return observable((observer) => {
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function execute(index = 0, op = opts.op) {
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const next = opts.links[index];
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if (!next) throw new Error("No more links to execute - did you forget to add an ending link?");
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const subscription = next({
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op,
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next(nextOp) {
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const nextObserver = execute(index + 1, nextOp);
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return nextObserver;
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}
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});
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return subscription;
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}
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const obs$ = execute();
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return obs$.subscribe(observer);
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});
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}
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//#endregion
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//#region src/links/splitLink.ts
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function asArray(value) {
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return Array.isArray(value) ? value : [value];
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}
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function splitLink(opts) {
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return (runtime) => {
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const yes = asArray(opts.true).map((link) => link(runtime));
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const no = asArray(opts.false).map((link) => link(runtime));
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return (props) => {
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return observable((observer) => {
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const links = opts.condition(props.op) ? yes : no;
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return createChain({
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op: props.op,
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links
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}).subscribe(observer);
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});
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};
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};
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}
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//#endregion
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export { createChain, splitLink };
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//# sourceMappingURL=splitLink-B7Cuf2c_.mjs.map
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