|
1 |
| -import observer from '@cocreate/observer'; |
| 1 | +import observer from "@cocreate/observer"; |
2 | 2 |
|
3 | 3 | function listen(name, callback, selector) {
|
| 4 | + async function observerCallback({ target }) { |
| 5 | + if (!window.CoCreate) window.CoCreate = {}; |
4 | 6 |
|
5 |
| - async function observerCallback({ target }) { |
6 |
| - if (!window.CoCreate) |
7 |
| - window.CoCreate = {} |
| 7 | + if (window.CoCreate[name]) return; |
| 8 | + window.CoCreate[name] = {}; |
| 9 | + observer.uninit(observerCallback); |
8 | 10 |
|
9 |
| - if (window.CoCreate[name]) |
10 |
| - return |
11 |
| - window.CoCreate[name] = {} |
12 |
| - observer.uninit(observerCallback) |
| 11 | + const module = await callback(); |
| 12 | + observer.uninit(observerCallback); |
| 13 | + window.CoCreate[name] = module.default || module; |
13 | 14 |
|
14 |
| - const module = await callback() |
15 |
| - observer.uninit(observerCallback) |
16 |
| - window.CoCreate[name] = module.default || module |
| 15 | + dispatchComponentLoaded(name); |
| 16 | + } |
17 | 17 |
|
18 |
| - dispatchComponentLoaded(name) |
19 |
| - } |
20 |
| - |
21 |
| - observer.init({ |
22 |
| - name: 'lazyloadObserver', |
23 |
| - observe: ['childList'], |
24 |
| - selector, |
25 |
| - callback: observerCallback |
26 |
| - }) |
27 |
| - |
28 |
| - let selectorAttributes = []; |
29 |
| - let attributes = selector.split(",") |
30 |
| - for (let attribute of attributes) { |
31 |
| - let attr = attribute.trim() |
32 |
| - if (attr.startsWith("[")) { |
33 |
| - let pos = attr.indexOf("*") |
34 |
| - if (pos == -1) |
35 |
| - pos = attr.indexOf("=") |
36 |
| - if (pos !== -1) { |
37 |
| - attr = attr.slice(1, pos) |
38 |
| - } else { |
39 |
| - attr = attr.slice(1, -1) |
40 |
| - } |
41 |
| - selectorAttributes.push(attr) |
42 |
| - } |
43 |
| - |
44 |
| - } |
45 |
| - if (selectorAttributes.length > 0) |
46 |
| - observer.init({ |
47 |
| - name: 'lazyloadAttributeObserver', |
48 |
| - observe: ['attributes'], |
49 |
| - attributeName: selectorAttributes, |
50 |
| - selector, |
51 |
| - callback: observerCallback |
52 |
| - }); |
| 18 | + observer.init({ |
| 19 | + name: "lazyloadObserver", |
| 20 | + observe: ["childList"], |
| 21 | + selector, |
| 22 | + callback: observerCallback |
| 23 | + }); |
53 | 24 |
|
| 25 | + let selectorAttributes = []; |
| 26 | + let attributes = selector.split(","); |
| 27 | + for (let attribute of attributes) { |
| 28 | + let attr = attribute.trim(); |
| 29 | + if (attr.startsWith("[")) { |
| 30 | + let pos = attr.indexOf("*"); |
| 31 | + if (pos == -1) pos = attr.indexOf("="); |
| 32 | + if (pos !== -1) { |
| 33 | + attr = attr.slice(1, pos); |
| 34 | + } else { |
| 35 | + attr = attr.slice(1, -1); |
| 36 | + } |
| 37 | + selectorAttributes.push(attr); |
| 38 | + } |
| 39 | + } |
| 40 | + if (selectorAttributes.length > 0) |
| 41 | + observer.init({ |
| 42 | + name: "lazyloadAttributeObserver", |
| 43 | + observe: ["attributes"], |
| 44 | + attributeName: selectorAttributes, |
| 45 | + selector, |
| 46 | + callback: observerCallback |
| 47 | + }); |
54 | 48 | }
|
55 | 49 |
|
56 | 50 | export async function lazyLoad(name, selector, callback) {
|
57 |
| - if (document.querySelector(selector)) |
58 |
| - await dependency(name, await callback()) |
59 |
| - else |
60 |
| - listen(name, callback, selector) |
| 51 | + if (document.querySelector(selector)) |
| 52 | + await dependency(name, await callback()); |
| 53 | + else listen(name, callback, selector); |
61 | 54 | }
|
62 | 55 |
|
63 | 56 | export async function dependency(name, promise) {
|
64 |
| - try { |
65 |
| - let component = await promise; |
66 |
| - if (!window.CoCreate) |
67 |
| - window.CoCreate = {} |
68 |
| - |
69 |
| - window.CoCreate[name] = component.default || component |
70 |
| - dispatchComponentLoaded(name) |
71 |
| - } catch (error) { |
72 |
| - console.error('error loading chunck: ', error) |
73 |
| - } |
| 57 | + try { |
| 58 | + let component = await promise; |
| 59 | + if (!window.CoCreate) window.CoCreate = {}; |
| 60 | + if (!window.CoCreate[name]) { |
| 61 | + window.CoCreate[name] = component.default || component; |
| 62 | + dispatchComponentLoaded(name); |
| 63 | + } |
| 64 | + } catch (error) { |
| 65 | + console.error("error loading chunck: ", error); |
| 66 | + } |
74 | 67 | }
|
75 | 68 |
|
76 | 69 | function dispatchComponentLoaded(name) {
|
77 |
| - document.dispatchEvent(new CustomEvent(name + 'Loaded', { |
78 |
| - detail: { name } |
79 |
| - })); |
| 70 | + document.dispatchEvent( |
| 71 | + new CustomEvent(name + "Loaded", { |
| 72 | + detail: { name } |
| 73 | + }) |
| 74 | + ); |
80 | 75 | }
|
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