Files: 5149067cc270bfcbf301fd7c1db66cd15659a53f / app / page / search.js
2037 bytesRaw
1 | const nest = require('depnest') |
2 | const { h, Struct, Value } = require('mutant') |
3 | const pull = require('pull-stream') |
4 | const Scroller = require('pull-scroll') |
5 | const TextNodeSearcher = require('text-node-searcher') |
6 | |
7 | exports.gives = nest('app.page.search') |
8 | |
9 | exports.needs = nest({ |
10 | 'app.html.filter': 'first', |
11 | 'app.html.scroller': 'first', |
12 | 'message.html.render': 'first', |
13 | 'sbot.pull.log': 'first', |
14 | 'sbot.pull.stream': 'first' |
15 | }) |
16 | |
17 | var whitespace = /\s+/ |
18 | |
19 | exports.create = function (api) { |
20 | return nest('app.page.search', searchPage) |
21 | |
22 | function searchPage (location) { |
23 | const query = location.query.trim() |
24 | |
25 | const search = Struct({ |
26 | fulltext: Struct({ |
27 | isDone: Value(false) |
28 | }), |
29 | matches: Value(0) |
30 | }) |
31 | |
32 | const searchHeader = h('Search', [ |
33 | h('header', h('h1', query)) |
34 | ]) |
35 | const { filterMenu, filterDownThrough, resetFeed } = api.app.html.filter(draw) |
36 | const { container, content } = api.app.html.scroller({ prepend: [searchHeader, filterMenu] }) |
37 | |
38 | function renderMsg (msg) { |
39 | var el = api.message.html.render(msg) |
40 | var queryTerms = query.split(whitespace) |
41 | |
42 | highlight(el, createOrRegExp(queryTerms)) |
43 | return el |
44 | } |
45 | |
46 | function draw () { |
47 | resetFeed({ container, content }) |
48 | |
49 | // TODO figure out how to step on kinda orderless search results |
50 | pull( |
51 | // api.sbot.pull.stream(sbot => next(sbot.search.query, { query, limit: 500 })), |
52 | api.sbot.pull.stream(sbot => sbot.search.query({ query, limit: 500 })), |
53 | filterDownThrough(), |
54 | pull.through(() => search.matches.set(search.matches() + 1)), |
55 | Scroller(container, content, renderMsg, false, false) |
56 | ) |
57 | } |
58 | |
59 | draw() |
60 | |
61 | container.title = '?' + query |
62 | return container |
63 | } |
64 | } |
65 | |
66 | function createOrRegExp (ary) { |
67 | return new RegExp(ary.map(function (e) { |
68 | return '\\b' + e + '\\b' |
69 | }).join('|'), 'i') |
70 | } |
71 | |
72 | function highlight (el, query) { |
73 | var searcher = new TextNodeSearcher({container: el}) |
74 | searcher.query = query |
75 | searcher.highlight() |
76 | return el |
77 | } |
78 |
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