jsx-view/lib/stack.js

Minimal JSX for HTML DOM tightly integrated with RxJS. TypeScript definitions, and attributes can be assigned to observables.

/** internal stack with state field s */
export class St {
    s;
    #curr = -1;
    #stack = new Array(64).fill(undefined);
    constructor(s) {
        this.s = s;
    }
    push(add) {
        this.#curr += 1;
        this.#stack[this.#curr] = add;
    }
    pop() {
        this.#stack[this.#curr] = undefined;
        this.#curr -= 1;
    }
    get() {
        if (this.#curr < 0) {
            throw new Error("Unexpected Stack.get");
        }
        return this.#stack[this.#curr];
    }
}
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