Files: 143963d78f350d2500b880b06019e46b743433b2 / app / async / catch-link-click.js
1548 bytesRaw
1 | const nest = require('depnest') |
2 | const Url = require('url') |
3 | |
4 | exports.gives = nest('app.async.catchLinkClick') |
5 | |
6 | exports.needs = nest({ |
7 | 'app.html.externalConfirm': 'first', |
8 | 'app.sync.goTo': 'first', |
9 | 'router.async.normalise': 'first' |
10 | }) |
11 | |
12 | exports.create = function (api) { |
13 | return nest('app.async.catchLinkClick', catchLinkClick) |
14 | |
15 | function catchLinkClick (root, cb = defaultCallback) { |
16 | root.addEventListener('click', (ev) => { |
17 | if (ev.target.tagName === 'INPUT' && |
18 | (ev.target.type === 'file' || ev.target.type === 'checkbox')) return |
19 | if (ev.defaultPrevented) return // TODO check this is in the right place |
20 | ev.preventDefault() |
21 | ev.stopPropagation() |
22 | |
23 | var anchor = null |
24 | for (var n = ev.target; n.parentNode; n = n.parentNode) { |
25 | if (n.nodeName === 'A') { |
26 | anchor = n |
27 | break |
28 | } |
29 | } |
30 | if (!anchor) return true |
31 | |
32 | var href = anchor.getAttribute('href') |
33 | if (!href || href === '#') return |
34 | |
35 | var url = Url.parse(href) |
36 | var opts = { |
37 | altKey: ev.altKey, |
38 | ctrlKey: ev.ctrlKey, |
39 | metaKey: ev.metaKey, |
40 | shiftKey: ev.shiftKey, |
41 | isExternal: !!url.host |
42 | } |
43 | |
44 | cb(href, opts) |
45 | }) |
46 | } |
47 | |
48 | function defaultCallback (link, { ctrlKey, isExternal }) { |
49 | if (isExternal) return api.app.html.externalConfirm(link) |
50 | |
51 | const openBackground = ctrlKey |
52 | api.router.async.normalise(link, (err, location) => { |
53 | if (err) throw err |
54 | if (location) api.app.sync.goTo(location, { openBackground }) |
55 | }) |
56 | } |
57 | } |
58 |
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