@hazae41/box/dist/esm/src/mods/disposer/index.mjs

Rust-like Box and similar objects for TypeScript

import { __addDisposableResource, __disposeResources } from '../../../node_modules/tslib/tslib.es6.mjs';
import { Deferred, AsyncDeferred } from '../deferred/index.mjs';

class Disposer {
    value;
    clean;
    constructor(value, clean) {
        this.value = value;
        this.clean = clean;
    }
    static wrap(value, clean = () => { }) {
        return new Disposer(value, new Deferred(() => clean(value)));
    }
    static from(value) {
        return new Disposer(value, new Deferred(() => value[Symbol.dispose]()));
    }
    [Symbol.dispose]() {
        this.clean[Symbol.dispose]();
    }
    async [Symbol.asyncDispose]() {
        this[Symbol.dispose]();
    }
    get() {
        return this.value;
    }
    async await() {
        const env_1 = { stack: [], error: void 0, hasError: false };
        try {
            const _ = __addDisposableResource(env_1, this.clean, false);
            return await this.get();
        }
        catch (e_1) {
            env_1.error = e_1;
            env_1.hasError = true;
        }
        finally {
            __disposeResources(env_1);
        }
    }
}
class AsyncDisposer {
    value;
    clean;
    constructor(value, clean) {
        this.value = value;
        this.clean = clean;
    }
    static wrap(value, clean = async () => { }) {
        return new AsyncDisposer(value, new AsyncDeferred(() => clean(value)));
    }
    static from(value) {
        return new AsyncDisposer(value, new AsyncDeferred(() => value[Symbol.asyncDispose]()));
    }
    async [Symbol.asyncDispose]() {
        await this.clean[Symbol.asyncDispose]();
    }
    get() {
        return this.value;
    }
    async await() {
        const env_2 = { stack: [], error: void 0, hasError: false };
        try {
            const _ = __addDisposableResource(env_2, this.clean, true);
            return await this.get();
        }
        catch (e_2) {
            env_2.error = e_2;
            env_2.hasError = true;
        }
        finally {
            const result_1 = __disposeResources(env_2);
            if (result_1)
                await result_1;
        }
    }
}

export { AsyncDisposer, Disposer };
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