forked from swiftlang/swift-evolution
-
Notifications
You must be signed in to change notification settings - Fork 1
/
index.js
1064 lines (902 loc) · 35.5 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// ===--- index.js - Swift Evolution --------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
// ===---------------------------------------------------------------------===//
'use strict'
/** Holds the primary data used on this page: metadata about Swift Evolution proposals. */
var proposals
/**
* To be updated when proposals are confirmed to have been implemented
* in a new language version.
*/
var languageVersions = ['2.2', '3', '3.0.1', '3.1', '4', '4.1', '4.2', '5', '5.1', '5.2', '5.3', '5.4', '5.5', '5.6', 'Next']
/** Storage for the user's current selection of filters when filtering is toggled off. */
var filterSelection = []
var GITHUB_BASE_URL = 'https://github.com/'
var REPO_PROPOSALS_BASE_URL = GITHUB_BASE_URL + 'apple/swift-evolution/blob/main/proposals'
/**
* `name`: Mapping of the states in the proposals JSON to human-readable names.
*
* `shortName`: Mapping of the states in the proposals JSON to short human-readable names.
* Used for the left-hand column of proposal statuses.
*
* `className`: Mapping of states in the proposals JSON to the CSS class names used
* to manipulate and display proposals based on their status.
*
* `count`: Number of proposals that determine after all proposals is loaded
*/
var states = {
'.awaitingReview': {
name: 'Awaiting Review',
shortName: 'Awaiting Review',
className: 'awaiting-review',
count: 0
},
'.scheduledForReview': {
name: 'Scheduled for Review',
shortName: 'Scheduled',
className: 'scheduled-for-review',
count: 0
},
'.activeReview': {
name: 'Active Review',
shortName: 'Active Review',
className: 'active-review',
count: 0
},
'.returnedForRevision': {
name: 'Returned for Revision',
shortName: 'Returned',
className: 'returned-for-revision',
count: 0
},
'.withdrawn': {
name: 'Withdrawn',
shortName: 'Withdrawn',
className: 'withdrawn',
count: 0
},
'.deferred': {
name: 'Deferred',
shortName: 'Deferred',
className: 'deferred',
count: 0
},
'.accepted': {
name: 'Accepted',
shortName: 'Accepted',
className: 'accepted',
count: 0
},
'.acceptedWithRevisions': {
name: 'Accepted with revisions',
shortName: 'Accepted',
className: 'accepted-with-revisions',
count: 0
},
'.rejected': {
name: 'Rejected',
shortName: 'Rejected',
className: 'rejected',
count: 0
},
'.implemented': {
name: 'Implemented',
shortName: 'Implemented',
className: 'implemented',
count: 0
},
'.previewing': {
name: 'Previewing',
shortName: 'Previewing',
className: 'previewing',
count: 0
},
'.error': {
name: 'Error',
shortName: 'Error',
className: 'error',
count: 0
}
}
init()
/** Primary entry point. */
function init () {
var req = new window.XMLHttpRequest()
req.addEventListener('load', function (e) {
proposals = JSON.parse(req.responseText)
// don't display malformed proposals
proposals = proposals.filter(function (proposal) {
return !proposal.errors
})
// descending numeric sort based the numeric nnnn in a proposal ID's SE-nnnn
proposals.sort(function compareProposalIDs (p1, p2) {
return parseInt(p1.id.match(/\d\d\d\d/)[0]) - parseInt(p2.id.match(/\d\d\d\d/)[0])
})
proposals = proposals.reverse()
render()
addEventListeners()
// apply filters when the page loads with a search already filled out.
// typically this happens after navigating backwards in a tab's history.
if (document.querySelector('#search-filter').value.trim()) {
filterProposals()
}
// apply selections from the current page's URI fragment
_applyFragment(document.location.hash)
})
req.addEventListener('error', function (e) {
document.querySelector('#proposals-count-number').innerText = 'Proposal data failed to load.'
})
document.querySelector('#proposals-count-number').innerHTML = 'Loading ...'
req.open('get', 'https://data.swift.org/swift-evolution/proposals')
req.send()
}
/**
* Creates an Element. Convenience wrapper for `document.createElement`.
*
* @param {string} elementType - The tag name. 'div', 'span', etc.
* @param {string[]} attributes - A list of attributes. Use `className` for `class`.
* @param {(string | Element)[]} children - A list of either text or other Elements to be nested under this Element.
* @returns {Element} The new node.
*/
function html (elementType, attributes, children) {
var element = document.createElement(elementType)
if (attributes) {
Object.keys(attributes).forEach(function (attributeName) {
var value = attributes[attributeName]
if (attributeName === 'className') attributeName = 'class'
element.setAttribute(attributeName, value)
})
}
if (!children) return element
if (!Array.isArray(children)) children = [children]
children.forEach(function (child) {
if (!child) {
console.warn('Null child ignored during creation of ' + elementType)
return
}
if (Object.getPrototypeOf(child) === String.prototype) {
child = document.createTextNode(child)
}
element.appendChild(child)
})
return element
}
function determineNumberOfProposals (proposals) {
// reset count
Object.keys(states).forEach(function (state){
states[state].count = 0
})
proposals.forEach(function (proposal) {
states[proposal.status.state].count += 1
})
// .acceptedWithRevisions proposals are combined in the filtering UI
// with .accepted proposals.
states['.accepted'].count += states['.acceptedWithRevisions'].count
}
/**
* Adds the dynamic portions of the page to the DOM, primarily the list
* of proposals and list of statuses used for filtering.
*
* These `render` functions are only called once when the page loads,
* the rest of the interactivity is based on toggling `display: none`.
*/
function render () {
renderNav()
renderBody()
}
/** Renders the top navigation bar. */
function renderNav () {
var nav = document.querySelector('nav')
// This list intentionally omits .acceptedWithRevisions and .error;
// .acceptedWithRevisions proposals are combined in the filtering UI
// with .accepted proposals.
var checkboxes = [
'.awaitingReview', '.scheduledForReview', '.activeReview', '.accepted',
'.previewing', '.implemented', '.returnedForRevision', '.deferred', '.rejected', '.withdrawn'
].map(function (state) {
var className = states[state].className
return html('li', null, [
html('input', { type: 'checkbox', className: 'filtered-by-status', id: 'filter-by-' + className, value: className }),
html('label', { className: className, tabindex: '0', role: 'button', 'for': 'filter-by-' + className, 'data-state-key': state }, [
addNumberToState(states[state].name, states[state].count)
])
])
})
var expandableArea = html('div', { className: 'filter-options expandable' }, [
html('h5', { id: 'filter-options-label' }, 'Status'),
html('ul', { id: 'filter-options', className: 'filter-by-status' })
])
nav.querySelector('.nav-contents').appendChild(expandableArea)
checkboxes.forEach(function (box) {
nav.querySelector('.filter-by-status').appendChild(box)
})
// The 'Implemented' filter selection gets an extra row of options if selected.
var implementedCheckboxIfPresent = checkboxes.filter(function (cb) {
return cb.querySelector(`#filter-by-${states['.implemented'].className}`)
})[0]
if (implementedCheckboxIfPresent) {
// add an extra row of options to filter by language version
var versionRowHeader = html('h5', { id: 'version-options-label', className: 'hidden' }, 'Language Version')
var versionRow = html('ul', { id: 'version-options', className: 'filter-by-status hidden' })
var versionOptions = languageVersions.map(function (version) {
return html('li', null, [
html('input', {
type: 'checkbox',
id: 'filter-by-swift-' + _idSafeName(version),
className: 'filter-by-swift-version',
value: 'swift-' + _idSafeName(version)
}),
html('label', {
tabindex: '0',
role: 'button',
'for': 'filter-by-swift-' + _idSafeName(version)
}, 'Swift ' + version)
])
})
versionOptions.forEach(function (version) {
versionRow.appendChild(version)
})
expandableArea.appendChild(versionRowHeader)
expandableArea.appendChild(versionRow)
}
return nav
}
/** Displays the main list of proposals that takes up the majority of the page. */
function renderBody () {
var article = document.querySelector('article')
var proposalAttachPoint = article.querySelector('.proposals-list')
var proposalPresentationOrder = [
'.awaitingReview', '.scheduledForReview', '.activeReview', '.accepted', '.acceptedWithRevisions',
'.previewing', '.implemented', '.returnedForRevision', '.deferred', '.rejected', '.withdrawn'
]
proposalPresentationOrder.map(function (state) {
var matchingProposals = proposals.filter(function (p) { return p.status && p.status.state === state })
matchingProposals.map(function (proposal) {
var proposalBody = html('section', { id: proposal.id, className: 'proposal ' + proposal.id }, [
html('div', { className: 'status-pill-container' }, [
html('span', { className: 'status-pill color-' + states[state].className }, [
states[proposal.status.state].shortName
])
]),
html('div', { className: 'proposal-content' }, [
html('div', { className: 'proposal-header' }, [
html('span', { className: 'proposal-id' }, [
proposal.id
]),
html('h4', { className: 'proposal-title' }, [
html('a', {
href: REPO_PROPOSALS_BASE_URL + '/' + proposal.link,
target: '_blank'
}, [
proposal.title
])
])
])
])
])
var detailNodes = []
detailNodes.push(renderAuthors(proposal.authors))
if (proposal.reviewManager.name) detailNodes.push(renderReviewManager(proposal.reviewManager))
if (proposal.trackingBugs) detailNodes.push(renderTrackingBugs(proposal.trackingBugs))
if (state === '.implemented') detailNodes.push(renderVersion(proposal.status.version))
if (state === '.previewing') detailNodes.push(renderPreview())
if (proposal.implementation) detailNodes.push(renderImplementation(proposal.implementation))
if (state === '.acceptedWithRevisions') detailNodes.push(renderStatus(proposal.status))
if (state === '.activeReview' || state === '.scheduledForReview') {
detailNodes.push(renderStatus(proposal.status))
detailNodes.push(renderReviewPeriod(proposal.status))
}
if (state === '.returnedForRevision') {
detailNodes.push(renderStatus(proposal.status))
}
var details = html('div', { className: 'proposal-details' }, detailNodes)
proposalBody.querySelector('.proposal-content').appendChild(details)
proposalAttachPoint.appendChild(proposalBody)
})
})
// Update the "(n) proposals" text
updateProposalsCount(article.querySelectorAll('.proposal').length)
return article
}
/** Authors have a `name` and optional `link`. */
function renderAuthors (authors) {
var authorNodes = authors.map(function (author) {
if (author.link.length > 0) {
return html('a', { href: author.link, target: '_blank' }, author.name)
} else {
return document.createTextNode(author.name)
}
})
authorNodes = _joinNodes(authorNodes, ', ')
return html('div', { className: 'authors proposal-detail' }, [
html('div', { className: 'proposal-detail-label' },
authors.length > 1 ? 'Authors: ' : 'Author: '
),
html('div', { className: 'proposal-detail-value' }, authorNodes)
])
}
/** Review managers have a `name` and optional `link`. */
function renderReviewManager (reviewManager) {
return html('div', { className: 'review-manager proposal-detail' }, [
html('div', { className: 'proposal-detail-label' }, 'Review Manager: '),
html('div', { className: 'proposal-detail-value' }, [
reviewManager.link
? html('a', { href: reviewManager.link, target: '_blank' }, reviewManager.name)
: reviewManager.name
])
])
}
/** Tracking bugs linked in a proposal are updated via bugs.swift.org. */
function renderTrackingBugs (bugs) {
var bugNodes = bugs.map(function (bug) {
return html('a', { href: bug.link, target: '_blank' }, [
bug.id,
' (',
bug.assignee || 'Unassigned',
', ',
bug.status,
')'
])
})
bugNodes = _joinNodes(bugNodes, ', ')
return html('div', { className: 'proposal-detail' }, [
html('div', { className: 'proposal-detail-label' }, [
bugs.length > 1 ? 'Bugs: ' : 'Bug: '
]),
html('div', { className: 'bug-list proposal-detail-value' },
bugNodes
)
])
}
/** Implementations are required alongside proposals (after Swift 4.0). */
function renderImplementation (implementations) {
var implNodes = implementations.map(function (impl) {
return html('a', {
href: GITHUB_BASE_URL + impl.account + '/' + impl.repository + '/' + impl.type + '/' + impl.id
}, [
impl.repository,
impl.type === 'pull' ? '#' : '@',
impl.id.substr(0, 7)
])
})
implNodes = _joinNodes(implNodes, ', ')
var label = 'Implementation: '
return html('div', { className: 'proposal-detail' }, [
html('div', { className: 'proposal-detail-label' }, [label]),
html('div', { className: 'implementation-list proposal-detail-value' },
implNodes
)
])
}
/** For `.previewing` proposals, link to the stdlib preview package. */
function renderPreview () {
return html('div', { className: 'proposal-detail' }, [
html('div', { className: 'proposal-detail-label' }, [
'Preview: '
]),
html('div', { className: 'proposal-detail-value' }, [
html('a', { href: 'https://github.com/apple/swift-standard-library-preview', target: '_blank' },
'Standard Library Preview'
)
])
])
}
/** For `.implemented` proposals, display the version of Swift in which they first appeared. */
function renderVersion (version) {
return html('div', { className: 'proposal-detail' }, [
html('div', { className: 'proposal-detail-label' }, [
'Implemented In: '
]),
html('div', { className: 'proposal-detail-value' }, [
'Swift ' + version
])
])
}
/** For some proposal states like `.activeReview`, it helps to see the status in the same details list. */
function renderStatus (status) {
return html('div', { className: 'proposal-detail' }, [
html('div', { className: 'proposal-detail-label' }, [
'Status: '
]),
html('div', { className: 'proposal-detail-value' }, [
states[status.state].name
])
])
}
/**
* Review periods are ISO-8601-style 'YYYY-MM-DD' dates.
*/
function renderReviewPeriod (status) {
var months = ['January', 'February', 'March', 'April', 'May', 'June', 'July',
'August', 'September', 'October', 'November', 'December'
]
var start = new Date(status.start)
var end = new Date(status.end)
var startMonth = start.getUTCMonth()
var endMonth = end.getUTCMonth()
var detailNodes = [months[startMonth], ' ']
if (startMonth === endMonth) {
detailNodes.push(
start.getUTCDate().toString(),
'–',
end.getUTCDate().toString()
)
} else {
detailNodes.push(
start.getUTCDate().toString(),
' – ',
months[endMonth],
' ',
end.getUTCDate().toString()
)
}
return html('div', { className: 'proposal-detail' }, [
html('div', { className: 'proposal-detail-label' }, [
'Scheduled: '
]),
html('div', { className: 'proposal-detail-value' }, detailNodes)
])
}
/** Utility used by some of the `render*` functions to add comma text nodes between DOM nodes. */
function _joinNodes (nodeList, text) {
return nodeList.map(function (node) {
return [node, text]
}).reduce(function (result, pair, index, pairs) {
if (index === pairs.length - 1) pair.pop()
return result.concat(pair)
}, [])
}
/** Adds UI interactivity to the page. Primarily activates the filtering controls. */
function addEventListeners () {
var nav = document.querySelector('nav')
// typing in the search field causes the filter to be reapplied.
nav.addEventListener('keyup', filterProposals)
nav.addEventListener('change', filterProposals)
// clearing the search field also hides the X symbol
nav.querySelector('#clear-button').addEventListener('click', function () {
nav.querySelector('#search-filter').value = ''
nav.querySelector('#clear-button').classList.toggle('hidden')
filterProposals()
})
// each of the individual statuses needs to trigger filtering as well
;[].forEach.call(nav.querySelectorAll('.filter-by-status input'), function (element) {
element.addEventListener('change', filterProposals)
})
var expandableArea = document.querySelector('.filter-options')
var implementedToggle = document.querySelector('#filter-by-implemented')
implementedToggle.addEventListener('change', function () {
// hide or show the row of version options depending on the status of the 'Implemented' option
;['#version-options', '#version-options-label'].forEach(function (selector) {
expandableArea.querySelector(selector).classList.toggle('hidden')
})
// don't persist any version selections when the row is hidden
;[].concat.apply([], expandableArea.querySelectorAll('.filter-by-swift-version')).forEach(function (versionCheckbox) {
versionCheckbox.checked = false
})
})
document.querySelector('.filter-button').addEventListener('click', toggleFiltering)
var filterToggle = document.querySelector('.filter-toggle')
filterToggle.querySelector('.toggle-filter-panel').addEventListener('click', toggleFilterPanel)
// Behavior conditional on certain browser features
var CSS = window.CSS
if (CSS) {
// emulate position: sticky when it isn't available.
if (!(CSS.supports('position', 'sticky') || CSS.supports('position', '-webkit-sticky'))) {
window.addEventListener('scroll', function () {
var breakpoint = document.querySelector('header').getBoundingClientRect().bottom
var nav = document.querySelector('nav')
var position = window.getComputedStyle(nav).position
var shadowNav // maintain the main content height when the main 'nav' is removed from the flow
// this is measuring whether or not the header has scrolled offscreen
if (breakpoint <= 0) {
if (position !== 'fixed') {
shadowNav = nav.cloneNode(true)
shadowNav.classList.add('clone')
shadowNav.style.visibility = 'hidden'
nav.parentNode.insertBefore(shadowNav, document.querySelector('main'))
nav.style.position = 'fixed'
}
} else if (position === 'fixed') {
nav.style.position = 'static'
shadowNav = document.querySelector('nav.clone')
if (shadowNav) shadowNav.parentNode.removeChild(shadowNav)
}
})
}
}
// on smaller screens, hide the filter panel when scrolling
if (window.matchMedia('(max-width: 414px)').matches) {
window.addEventListener('scroll', function () {
var breakpoint = document.querySelector('header').getBoundingClientRect().bottom
if (breakpoint <= 0 && document.querySelector('.expandable').classList.contains('expanded')) {
toggleFilterPanel()
}
})
}
}
/**
* Toggles whether filters are active. Rather than being cleared, they are saved to be restored later.
* Additionally, toggles the presence of the "Filtered by:" status indicator.
*/
function toggleFiltering () {
var filterDescription = document.querySelector('.filter-toggle')
var shouldPreserveSelection = !filterDescription.classList.contains('hidden')
filterDescription.classList.toggle('hidden')
var selected = document.querySelectorAll('.filter-by-status input[type=checkbox]:checked')
var filterButton = document.querySelector('.filter-button')
if (shouldPreserveSelection) {
filterSelection = [].map.call(selected, function (checkbox) { return checkbox.id })
;[].forEach.call(selected, function (checkbox) { checkbox.checked = false })
filterButton.setAttribute('aria-pressed', 'false')
} else { // restore it
filterSelection.forEach(function (id) {
var checkbox = document.getElementById(id)
checkbox.checked = true
})
filterButton.setAttribute('aria-pressed', 'true')
}
document.querySelector('.expandable').classList.remove('expanded')
filterButton.classList.toggle('active')
filterProposals()
}
/**
* Expands or contracts the filter panel, which contains buttons that
* let users filter proposals based on their current stage in the
* Swift Evolution process.
*/
function toggleFilterPanel () {
var panel = document.querySelector('.expandable')
var button = document.querySelector('.toggle-filter-panel')
panel.classList.toggle('expanded')
if (panel.classList.contains('expanded')) {
button.setAttribute('aria-pressed', 'true')
} else {
button.setAttribute('aria-pressed', 'false')
}
}
/**
* Applies both the status-based and text-input based filters to the proposals list.
*/
function filterProposals () {
var filterElement = document.querySelector('#search-filter')
var filter = filterElement.value
var clearButton = document.querySelector('#clear-button')
if (filter.length === 0) {
clearButton.classList.add('hidden')
} else {
clearButton.classList.remove('hidden')
}
var matchingSets = [proposals.concat()]
// Comma-separated lists of proposal IDs are treated as an "or" search.
if (filter.match(/(SE-\d\d\d\d)($|((,SE-\d\d\d\d)+))/i)) {
var proposalIDs = filter.split(',').map(function (id) {
return id.toUpperCase()
})
matchingSets[0] = matchingSets[0].filter(function (proposal) {
return proposalIDs.indexOf(proposal.id) !== -1
})
} else if (filter.trim().length !== 0) {
// The search input treats words as order-independent.
matchingSets = filter.split(/\s/)
.filter(function (s) { return s.length > 0 })
.map(function (part) { return _searchProposals(part) })
}
var intersection = matchingSets.reduce(function (intersection, candidates) {
return intersection.filter(function (alreadyIncluded) { return candidates.indexOf(alreadyIncluded) !== -1 })
}, matchingSets[0] || [])
_applyFilter(intersection)
_updateURIFragment()
determineNumberOfProposals(intersection)
updateFilterStatus()
}
/**
* Utility used by `filterProposals`.
*
* Picks out various fields in a proposal which users may want to key
* off of in their text-based filtering.
*
* @param {string} filterText - A raw word of text as entered by the user.
* @returns {Proposal[]} The proposals that match the entered text, taken from the global list.
*/
function _searchProposals (filterText) {
var filterExpression = filterText.toLowerCase()
var searchableProperties = [
['id'],
['title'],
['reviewManager', 'name'],
['status', 'state'],
['status', 'version'],
['authors', 'name'],
['authors', 'link'],
['implementation', 'account'],
['implementation', 'repository'],
['implementation', 'id'],
['trackingBugs', 'link'],
['trackingBugs', 'status'],
['trackingBugs', 'id'],
['trackingBugs', 'assignee']
]
// reflect over the proposals and find ones with matching properties
var matchingProposals = proposals.filter(function (proposal) {
var match = false
searchableProperties.forEach(function (propertyList) {
var value = proposal
propertyList.forEach(function (propertyName, index) {
if (!value) return
value = value[propertyName]
if (index < propertyList.length - 1) {
// For arrays, apply the property check to each child element.
// Note that this only looks to a depth of one property.
if (Array.isArray(value)) {
var matchCondition = value.some(function (element) {
return element[propertyList[index + 1]] && element[propertyList[index + 1]].toString().toLowerCase().indexOf(filterExpression) >= 0
})
if (matchCondition) {
match = true
}
} else {
return
}
} else if (value && value.toString().toLowerCase().indexOf(filterExpression) >= 0) {
match = true
}
})
})
return match
})
return matchingProposals
}
/**
* Helper for `filterProposals` that actually makes the filter take effect.
*
* @param {Proposal[]} matchingProposals - The proposals that have passed the text filtering phase.
* @returns {Void} Toggles `display: hidden` to apply the filter.
*/
function _applyFilter (matchingProposals) {
// filter out proposals based on the grouping checkboxes
var allStateCheckboxes = document.querySelector('nav').querySelectorAll('.filter-by-status input:checked')
var selectedStates = [].map.call(allStateCheckboxes, function (checkbox) { return checkbox.value })
var selectedStateNames = [].map.call(allStateCheckboxes, function (checkbox) { return checkbox.nextElementSibling.innerText.trim() })
updateFilterDescription(selectedStateNames)
if (selectedStates.length) {
matchingProposals = matchingProposals
.filter(function (proposal) {
return selectedStates.some(function (state) {
return proposal.status.state.toLowerCase().indexOf(state.split('-')[0]) >= 0
})
})
// handle version-specific filtering options
if (selectedStates.some(function (state) { return state.match(/swift/i) })) {
matchingProposals = matchingProposals
.filter(function (proposal) {
return selectedStates.some(function (state) {
if (!(proposal.status.state === '.implemented')) return true // only filter among Implemented (N.N.N)
if (state === 'swift-swift-Next' && proposal.status.version === 'Next') return true // special case
var version = state.split(/\D+/).filter(function (s) { return s.length }).join('.')
if (!version.length) return false // it's not a state that represents a version number
if (proposal.status.version === version) return true
return false
})
})
}
}
var filteredProposals = proposals.filter(function (proposal) {
return matchingProposals.indexOf(proposal) === -1
})
matchingProposals.forEach(function (proposal) {
var matchingElements = [].concat.apply([], document.querySelectorAll('.' + proposal.id))
matchingElements.forEach(function (element) { element.classList.remove('hidden') })
})
filteredProposals.forEach(function (proposal) {
var filteredElements = [].concat.apply([], document.querySelectorAll('.' + proposal.id))
filteredElements.forEach(function (element) { element.classList.add('hidden') })
})
updateProposalsCount(matchingProposals.length)
}
/**
* Parses a URI fragment and applies a search and filters to the page.
*
* Syntax (a query string within a fragment):
* fragment --> `#?` parameter-value-list
* parameter-value-list --> parameter-value | parameter-value-pair `&` parameter-value-list
* parameter-value-pair --> parameter `=` value
* parameter --> `proposal` | `status` | `version` | `search`
* value --> ** Any URL-encoded text. **
*
* For example:
* /#?proposal:SE-0180,SE-0123
* /#?status=rejected&version=3&search=access
*
* Four types of parameters are supported:
* - proposal: A comma-separated list of proposal IDs. Treated as an 'or' search.
* - filter: A comma-separated list of proposal statuses to apply as a filter.
* - version: A comma-separated list of Swift version numbers to apply as a filter.
* - search: Raw, URL-encoded text used to filter by individual term.
*
* @param {string} fragment - A URI fragment to use as the basis for a search.
*/
function _applyFragment (fragment) {
if (!fragment || fragment.substr(0, 2) !== '#?') return
fragment = fragment.substring(2) // remove the #?
// use this literal's keys as the source of truth for key-value pairs in the fragment
var actions = { proposal: [], search: null, status: [], version: [] }
// parse the fragment as a query string
Object.keys(actions).forEach(function (action) {
var pattern = new RegExp(action + '=([^=]+)(&|$)')
var values = fragment.match(pattern)
if (values) {
var value = values[1] // 1st capture group from the RegExp
if (action === 'search') {
value = decodeURIComponent(value)
} else {
value = value.split(',')
}
actions[action] = value
}
})
// perform key-specific parsing and checks
if (actions.proposal.length) {
document.querySelector('#search-filter').value = actions.proposal.join(',')
} else if (actions.search) {
document.querySelector('#search-filter').value = actions.search
}
if (actions.version.length) {
var versionSelections = actions.version.map(function (version) {
return document.querySelector('#filter-by-swift-' + _idSafeName(version))
}).filter(function (version) {
return !!version
})
versionSelections.forEach(function (versionSelection) {
versionSelection.checked = true
})
if (versionSelections.length) {
document.querySelector(
'#filter-by-' + states['.implemented'].className
).checked = true
}
}
// track this state specifically for toggling the version panel
var implementedSelected = false
// update the filter selections in the nav
if (actions.status.length) {
var statusSelections = actions.status.map(function (status) {
var stateName = Object.keys(states).filter(function (state) {
return states[state].className === status
})[0]
if (!stateName) return // fragment contains a nonexistent state
var state = states[stateName]
if (stateName === '.implemented') implementedSelected = true
return document.querySelector('#filter-by-' + state.className)
}).filter(function (status) {
return !!status
})
statusSelections.forEach(function (statusSelection) {
statusSelection.checked = true
})
}
// the version panel needs to be activated if any are specified
if (actions.version.length || implementedSelected) {
;['#version-options', '#version-options-label'].forEach(function (selector) {
document.querySelector('.filter-options')
.querySelector(selector).classList
.toggle('hidden')
})
}
// specifying any filter in the fragment should activate the filters in the UI
if (actions.version.length || actions.status.length) {
toggleFilterPanel()
toggleFiltering()
}
filterProposals()
}
/**
* Writes out the current search and filter settings to document.location
* via window.replaceState.
*/
function _updateURIFragment () {
var actions = { proposal: [], search: null, status: [], version: [] }
var search = document.querySelector('#search-filter')
if (search.value && search.value.match(/(SE-\d\d\d\d)($|((,SE-\d\d\d\d)+))/i)) {
actions.proposal = search.value.toUpperCase().split(',')
} else {
actions.search = search.value
}
var selectedVersions = document.querySelectorAll('.filter-by-swift-version:checked')
var versions = [].map.call(selectedVersions, function (checkbox) {
return checkbox.value.split('swift-swift-')[1].split('-').join('.')
})
actions.version = versions
var selectedStatuses = document.querySelectorAll('.filtered-by-status:checked')
var statuses = [].map.call(selectedStatuses, function (checkbox) {
var className = checkbox.value
var correspondingStatus = Object.keys(states).filter(function (status) {
if (states[status].className === className) return true
return false
})[0]
return states[correspondingStatus].className
})
// .implemented is redundant if any specific implementation versions are selected.
if (actions.version.length) {
statuses = statuses.filter(function (status) {
return status !== states['.implemented'].className
})
}
actions.status = statuses
// build the actual fragment string.
var fragments = []
if (actions.proposal.length) fragments.push('proposal=' + actions.proposal.join(','))
if (actions.status.length) fragments.push('status=' + actions.status.join(','))
if (actions.version.length) fragments.push('version=' + actions.version.join(','))
// encoding the search lets you search for `??` and other edge cases.
if (actions.search) fragments.push('search=' + encodeURIComponent(actions.search))
if (!fragments.length) {
window.history.replaceState(null, null, './')
return
}
var fragment = '#?' + fragments.join('&')
// avoid creating new history entries each time a search or filter updates
window.history.replaceState(null, null, fragment)
}
/** Helper to give versions like 3.0.1 an okay ID to use in a DOM element. (swift-3-0-1) */