@bokeh/bokehjs/build/js/lib/api/io.js

Interactive, novel data visualization

import { Document } from "../document";
import { add_document_standalone } from "../embed/standalone";
import { dom_ready, contains } from "../core/dom";
import { isString, isArray } from "../core/util/types";
export async function show(obj, target) {
    const doc = (() => {
        if (obj instanceof Document) {
            return obj;
        }
        else {
            const doc = new Document();
            for (const item of isArray(obj) ? obj : [obj]) {
                doc.add_root(item);
            }
            return doc;
        }
    })();
    const script = document.currentScript; // This needs to be evaluated before any `await` to avoid `null` value.
    await dom_ready();
    const element = (() => {
        if (target == null) {
            if (script != null && contains(document.body, script)) {
                const parent = script.parentNode;
                if (parent instanceof HTMLElement || parent instanceof DocumentFragment) {
                    return parent;
                }
            }
            return document.body;
        }
        else if (isString(target)) {
            const found = document.querySelector(target);
            if (found instanceof HTMLElement) {
                if (found.shadowRoot != null) {
                    return found.shadowRoot;
                }
                else {
                    return found;
                }
            }
            else {
                throw new Error(`'${target}' selector didn't match any elements`);
            }
        }
        else if (target instanceof HTMLElement) {
            return target;
        }
        else if (typeof $ !== "undefined" && target instanceof $) {
            return target[0];
        }
        else {
            throw new Error("target should be a HTMLElement, string selector, $ or null");
        }
    })();
    const view_manager = await add_document_standalone(doc, element);
    return new Promise((resolve, _reject) => {
        const views = [...view_manager];
        const result = isArray(obj) || obj instanceof Document ? views : views[0];
        if (doc.is_idle) {
            resolve(result);
        }
        else {
            doc.idle.connect(() => resolve(result));
        }
    });
}
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