# All files ref.ts

90.47% Statements 19/21
100% Branches 2/2
66.66% Functions 2/3
90.47% Lines 19/21

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     import { Ref } from "atomico";
    import { nothing } from "lit-html";
    import { directive, Directive, Part } from "lit-html/directive.js";

    class RefDirective extends Directive {
        prev: Ref;
        render(ref: Ref) {
            return nothing;
        }
        update(part: Part, [ref]: any[]) {
            if ("element" in part) {
                if (this.prev != ref) {
                    ref.current = part.element;
                    this.prev = ref;
                }
            }
            return nothing;
        }
    }

    export const ref = directive(RefDirective);