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1 | | -// Author: ScriptedAlchemy <[email protected]> |
2 | | -// Author: Johannes Raggam <[email protected]> |
3 | | - |
4 | | -// From: |
5 | | -// https://twitter.com/ScriptedAlchemy/status/1505135006158532612 |
6 | | -// https://gist.github.com/ScriptedAlchemy/3a24008ef60adc47fad1af7d3299a063 |
7 | | -// https://github.com/module-federation/module-federation-examples/blob/master/dynamic-system-host/app1/src/utils/getOrLoadRemote.js |
8 | | - |
9 | | -/** |
10 | | - * Load remote module / bundle. |
11 | | - * |
12 | | - * Usage: get_container("bundle-name-xyz", "default", "http://theRemote.com") |
13 | | - * |
14 | | - * |
15 | | - * @param {string} remote - the remote global name |
16 | | - * @param {string} share_scope - the scope key |
17 | | - * @param {string} remote_fallback_url - fallback url for remote module |
18 | | - * @returns {Promise<object>} - Federated Module Container |
19 | | - */ |
20 | | -export default function get_container( |
21 | | - remote, |
22 | | - share_scope = "default", |
23 | | - remote_fallback_url = undefined |
24 | | -) { |
25 | | - new Promise((resolve, reject) => { |
26 | | - if (!window[remote]) { |
27 | | - // Remote not yet globally available. |
28 | | - |
29 | | - // onload hook when Module Federated resource is loaded. |
30 | | - const onload = async () => { |
31 | | - // When remote is loaded, initialize it if it wasn't already. |
32 | | - if (!window[remote].__initialized) { |
33 | | - await window[remote].init(__webpack_share_scopes__[share_scope]); // eslint-disable-line no-undef |
34 | | - // Mark remote as initialized. |
35 | | - window[remote].__initialized = true; |
36 | | - } |
37 | | - // Resolve promise so marking remote as loaded. |
38 | | - resolve(window[remote]); |
39 | | - }; |
40 | | - |
41 | | - // Search dom to see if the remote exists as script tag. |
42 | | - // It might still be loading (async). |
43 | | - const existing_remote = document.querySelector(`[data-webpack="${remote}"]`); |
44 | | - |
45 | | - if (existing_remote) { |
46 | | - // If remote exists but was not loaded, hook into its onload |
47 | | - // and wait for it to be ready. |
48 | | - existing_remote.onload = onload; |
49 | | - existing_remote.onerror = reject; |
50 | | - } else if (remote_fallback_url) { |
51 | | - // Inject remote if a fallback exists and call the same onload |
52 | | - // function |
53 | | - const script = document.createElement("script"); |
54 | | - script.type = "text/javascript"; |
55 | | - // Mark as data-webpack so runtime can track it internally. |
56 | | - script.setAttribute("data-webpack", `${remote}`); |
57 | | - script.async = true; |
58 | | - script.onerror = reject; |
59 | | - script.onload = onload; |
60 | | - script.src = remote_fallback_url; |
61 | | - document.getElementsByTagName("head")[0].appendChild(script); |
62 | | - } else { |
63 | | - // No remote and no fallback exist, reject. |
64 | | - reject(`Cannot Find Remote ${remote} to inject`); |
65 | | - } |
66 | | - } else { |
67 | | - // Remote already instantiated, resolve |
68 | | - resolve(window[remote]); |
69 | | - } |
70 | | - }); |
71 | | -} |
| 1 | +export { get_container } from "@patternslib/dev/webpack/module_federation--getOrLoadRemote"; |
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