succulent/build/operators/logic.js

Powerful and easy runtime type checking

import { Schema } from "../schema";
import { is } from "./is";
export function union(...schemas) {
    return new Schema((t) => schemas.some((schema) => is(t, schema)), {
        displayName: `(${schemas
            .map((schema) => Schema.from(schema).displayName)
            .join(" | ")})`,
        *iter() {
            for (const schema of schemas)
                yield* Schema.from(schema);
        },
    });
}
export function or(x, y) {
    return new Schema((t) => is(t, x) || is(t, y), {
        displayName: `(${Schema.displayName(x)} | ${Schema.displayName(y)})`,
        *iter() {
            yield* Schema.from(x);
            yield* Schema.from(y);
        },
    });
}
export function and(x, y) {
    return new Schema((t) => is(t, x) && is(t, y), {
        displayName: `(${Schema.displayName(x)} & ${Schema.displayName(y)})`,
    });
}
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