-
-
Notifications
You must be signed in to change notification settings - Fork 1.9k
/
Copy pathindex.js
1173 lines (1016 loc) · 35.8 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
/**
* Copyright 2012-2019, Plotly, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
var d3 = require('d3');
var isNumeric = require('fast-isnumeric');
var numConstants = require('../constants/numerical');
var FP_SAFE = numConstants.FP_SAFE;
var BADNUM = numConstants.BADNUM;
var lib = module.exports = {};
lib.nestedProperty = require('./nested_property');
lib.keyedContainer = require('./keyed_container');
lib.relativeAttr = require('./relative_attr');
lib.isPlainObject = require('./is_plain_object');
lib.toLogRange = require('./to_log_range');
lib.relinkPrivateKeys = require('./relink_private');
var arrayModule = require('./array');
lib.isTypedArray = arrayModule.isTypedArray;
lib.isArrayOrTypedArray = arrayModule.isArrayOrTypedArray;
lib.isArray1D = arrayModule.isArray1D;
lib.ensureArray = arrayModule.ensureArray;
lib.concat = arrayModule.concat;
lib.maxRowLength = arrayModule.maxRowLength;
lib.minRowLength = arrayModule.minRowLength;
var modModule = require('./mod');
lib.mod = modModule.mod;
lib.modHalf = modModule.modHalf;
var coerceModule = require('./coerce');
lib.valObjectMeta = coerceModule.valObjectMeta;
lib.coerce = coerceModule.coerce;
lib.coerce2 = coerceModule.coerce2;
lib.coerceFont = coerceModule.coerceFont;
lib.coerceHoverinfo = coerceModule.coerceHoverinfo;
lib.coerceSelectionMarkerOpacity = coerceModule.coerceSelectionMarkerOpacity;
lib.validate = coerceModule.validate;
var datesModule = require('./dates');
lib.dateTime2ms = datesModule.dateTime2ms;
lib.isDateTime = datesModule.isDateTime;
lib.ms2DateTime = datesModule.ms2DateTime;
lib.ms2DateTimeLocal = datesModule.ms2DateTimeLocal;
lib.cleanDate = datesModule.cleanDate;
lib.isJSDate = datesModule.isJSDate;
lib.formatDate = datesModule.formatDate;
lib.incrementMonth = datesModule.incrementMonth;
lib.dateTick0 = datesModule.dateTick0;
lib.dfltRange = datesModule.dfltRange;
lib.findExactDates = datesModule.findExactDates;
lib.MIN_MS = datesModule.MIN_MS;
lib.MAX_MS = datesModule.MAX_MS;
var searchModule = require('./search');
lib.findBin = searchModule.findBin;
lib.sorterAsc = searchModule.sorterAsc;
lib.sorterDes = searchModule.sorterDes;
lib.distinctVals = searchModule.distinctVals;
lib.roundUp = searchModule.roundUp;
lib.sort = searchModule.sort;
lib.findIndexOfMin = searchModule.findIndexOfMin;
var statsModule = require('./stats');
lib.aggNums = statsModule.aggNums;
lib.len = statsModule.len;
lib.mean = statsModule.mean;
lib.median = statsModule.median;
lib.midRange = statsModule.midRange;
lib.variance = statsModule.variance;
lib.stdev = statsModule.stdev;
lib.interp = statsModule.interp;
var matrixModule = require('./matrix');
lib.init2dArray = matrixModule.init2dArray;
lib.transposeRagged = matrixModule.transposeRagged;
lib.dot = matrixModule.dot;
lib.translationMatrix = matrixModule.translationMatrix;
lib.rotationMatrix = matrixModule.rotationMatrix;
lib.rotationXYMatrix = matrixModule.rotationXYMatrix;
lib.apply2DTransform = matrixModule.apply2DTransform;
lib.apply2DTransform2 = matrixModule.apply2DTransform2;
var anglesModule = require('./angles');
lib.deg2rad = anglesModule.deg2rad;
lib.rad2deg = anglesModule.rad2deg;
lib.angleDelta = anglesModule.angleDelta;
lib.angleDist = anglesModule.angleDist;
lib.isFullCircle = anglesModule.isFullCircle;
lib.isAngleInsideSector = anglesModule.isAngleInsideSector;
lib.isPtInsideSector = anglesModule.isPtInsideSector;
lib.pathArc = anglesModule.pathArc;
lib.pathSector = anglesModule.pathSector;
lib.pathAnnulus = anglesModule.pathAnnulus;
var anchorUtils = require('./anchor_utils');
lib.isLeftAnchor = anchorUtils.isLeftAnchor;
lib.isCenterAnchor = anchorUtils.isCenterAnchor;
lib.isRightAnchor = anchorUtils.isRightAnchor;
lib.isTopAnchor = anchorUtils.isTopAnchor;
lib.isMiddleAnchor = anchorUtils.isMiddleAnchor;
lib.isBottomAnchor = anchorUtils.isBottomAnchor;
var geom2dModule = require('./geometry2d');
lib.segmentsIntersect = geom2dModule.segmentsIntersect;
lib.segmentDistance = geom2dModule.segmentDistance;
lib.getTextLocation = geom2dModule.getTextLocation;
lib.clearLocationCache = geom2dModule.clearLocationCache;
lib.getVisibleSegment = geom2dModule.getVisibleSegment;
lib.findPointOnPath = geom2dModule.findPointOnPath;
var extendModule = require('./extend');
lib.extendFlat = extendModule.extendFlat;
lib.extendDeep = extendModule.extendDeep;
lib.extendDeepAll = extendModule.extendDeepAll;
lib.extendDeepNoArrays = extendModule.extendDeepNoArrays;
var loggersModule = require('./loggers');
lib.log = loggersModule.log;
lib.warn = loggersModule.warn;
lib.error = loggersModule.error;
var regexModule = require('./regex');
lib.counterRegex = regexModule.counter;
var throttleModule = require('./throttle');
lib.throttle = throttleModule.throttle;
lib.throttleDone = throttleModule.done;
lib.clearThrottle = throttleModule.clear;
lib.getGraphDiv = require('./get_graph_div');
lib.clearResponsive = require('./clear_responsive');
lib.makeTraceGroups = require('./make_trace_groups');
lib._ = require('./localize');
lib.notifier = require('./notifier');
lib.filterUnique = require('./filter_unique');
lib.filterVisible = require('./filter_visible');
lib.pushUnique = require('./push_unique');
lib.cleanNumber = require('./clean_number');
lib.ensureNumber = function ensureNumber(v) {
if(!isNumeric(v)) return BADNUM;
v = Number(v);
if(v < -FP_SAFE || v > FP_SAFE) return BADNUM;
return isNumeric(v) ? Number(v) : BADNUM;
};
/**
* Is v a valid array index? Accepts numeric strings as well as numbers.
*
* @param {any} v: the value to test
* @param {Optional[integer]} len: the array length we are indexing
*
* @return {bool}: v is a valid array index
*/
lib.isIndex = function(v, len) {
if(len !== undefined && v >= len) return false;
return isNumeric(v) && (v >= 0) && (v % 1 === 0);
};
lib.noop = require('./noop');
lib.identity = require('./identity');
/**
* create an array of length 'cnt' filled with 'v' at all indices
*
* @param {any} v
* @param {number} cnt
* @return {array}
*/
lib.repeat = function(v, cnt) {
var out = new Array(cnt);
for(var i = 0; i < cnt; i++) {
out[i] = v;
}
return out;
};
/**
* swap x and y of the same attribute in container cont
* specify attr with a ? in place of x/y
* you can also swap other things than x/y by providing part1 and part2
*/
lib.swapAttrs = function(cont, attrList, part1, part2) {
if(!part1) part1 = 'x';
if(!part2) part2 = 'y';
for(var i = 0; i < attrList.length; i++) {
var attr = attrList[i];
var xp = lib.nestedProperty(cont, attr.replace('?', part1));
var yp = lib.nestedProperty(cont, attr.replace('?', part2));
var temp = xp.get();
xp.set(yp.get());
yp.set(temp);
}
};
/**
* SVG painter's algo worked around with reinsertion
*/
lib.raiseToTop = function raiseToTop(elem) {
elem.parentNode.appendChild(elem);
};
/**
* cancel a possibly pending transition; returned selection may be used by caller
*/
lib.cancelTransition = function(selection) {
return selection.transition().duration(0);
};
// constrain - restrict a number v to be between v0 and v1
lib.constrain = function(v, v0, v1) {
if(v0 > v1) return Math.max(v1, Math.min(v0, v));
return Math.max(v0, Math.min(v1, v));
};
/**
* do two bounding boxes from getBoundingClientRect,
* ie {left,right,top,bottom,width,height}, overlap?
* takes optional padding pixels
*/
lib.bBoxIntersect = function(a, b, pad) {
pad = pad || 0;
return (a.left <= b.right + pad &&
b.left <= a.right + pad &&
a.top <= b.bottom + pad &&
b.top <= a.bottom + pad);
};
/*
* simpleMap: alternative to Array.map that only
* passes on the element and up to 2 extra args you
* provide (but not the array index or the whole array)
*
* array: the array to map it to
* func: the function to apply
* x1, x2: optional extra args
*/
lib.simpleMap = function(array, func, x1, x2) {
var len = array.length;
var out = new Array(len);
for(var i = 0; i < len; i++) out[i] = func(array[i], x1, x2);
return out;
};
/**
* Random string generator
*
* @param {object} existing
* pass in strings to avoid as keys with truthy values
* @param {int} bits
* bits of information in the output string, default 24
* @param {int} base
* base of string representation, default 16. Should be a power of 2.
*/
lib.randstr = function randstr(existing, bits, base, _recursion) {
if(!base) base = 16;
if(bits === undefined) bits = 24;
if(bits <= 0) return '0';
var digits = Math.log(Math.pow(2, bits)) / Math.log(base);
var res = '';
var i, b, x;
for(i = 2; digits === Infinity; i *= 2) {
digits = Math.log(Math.pow(2, bits / i)) / Math.log(base) * i;
}
var rem = digits - Math.floor(digits);
for(i = 0; i < Math.floor(digits); i++) {
x = Math.floor(Math.random() * base).toString(base);
res = x + res;
}
if(rem) {
b = Math.pow(base, rem);
x = Math.floor(Math.random() * b).toString(base);
res = x + res;
}
var parsed = parseInt(res, base);
if((existing && existing[res]) ||
(parsed !== Infinity && parsed >= Math.pow(2, bits))) {
if(_recursion > 10) {
lib.warn('randstr failed uniqueness');
return res;
}
return randstr(existing, bits, base, (_recursion || 0) + 1);
} else return res;
};
lib.OptionControl = function(opt, optname) {
/*
* An environment to contain all option setters and
* getters that collectively modify opts.
*
* You can call up opts from any function in new object
* as this.optname || this.opt
*
* See FitOpts for example of usage
*/
if(!opt) opt = {};
if(!optname) optname = 'opt';
var self = {};
self.optionList = [];
self._newoption = function(optObj) {
optObj[optname] = opt;
self[optObj.name] = optObj;
self.optionList.push(optObj);
};
self['_' + optname] = opt;
return self;
};
/**
* lib.smooth: smooth arrayIn by convolving with
* a hann window with given full width at half max
* bounce the ends in, so the output has the same length as the input
*/
lib.smooth = function(arrayIn, FWHM) {
FWHM = Math.round(FWHM) || 0; // only makes sense for integers
if(FWHM < 2) return arrayIn;
var alen = arrayIn.length;
var alen2 = 2 * alen;
var wlen = 2 * FWHM - 1;
var w = new Array(wlen);
var arrayOut = new Array(alen);
var i;
var j;
var k;
var v;
// first make the window array
for(i = 0; i < wlen; i++) {
w[i] = (1 - Math.cos(Math.PI * (i + 1) / FWHM)) / (2 * FWHM);
}
// now do the convolution
for(i = 0; i < alen; i++) {
v = 0;
for(j = 0; j < wlen; j++) {
k = i + j + 1 - FWHM;
// multibounce
if(k < -alen) k -= alen2 * Math.round(k / alen2);
else if(k >= alen2) k -= alen2 * Math.floor(k / alen2);
// single bounce
if(k < 0) k = - 1 - k;
else if(k >= alen) k = alen2 - 1 - k;
v += arrayIn[k] * w[j];
}
arrayOut[i] = v;
}
return arrayOut;
};
/**
* syncOrAsync: run a sequence of functions synchronously
* as long as its returns are not promises (ie have no .then)
* includes one argument arg to send to all functions...
* this is mainly just to prevent us having to make wrapper functions
* when the only purpose of the wrapper is to reference gd
* and a final step to be executed at the end
* TODO: if there's an error and everything is sync,
* this doesn't happen yet because we want to make sure
* that it gets reported
*/
lib.syncOrAsync = function(sequence, arg, finalStep) {
var ret, fni;
function continueAsync() {
return lib.syncOrAsync(sequence, arg, finalStep);
}
while(sequence.length) {
fni = sequence.splice(0, 1)[0];
ret = fni(arg);
if(ret && ret.then) {
return ret.then(continueAsync)
.then(undefined, lib.promiseError);
}
}
return finalStep && finalStep(arg);
};
/**
* Helper to strip trailing slash, from
* http://stackoverflow.com/questions/6680825/return-string-without-trailing-slash
*/
lib.stripTrailingSlash = function(str) {
if(str.substr(-1) === '/') return str.substr(0, str.length - 1);
return str;
};
lib.noneOrAll = function(containerIn, containerOut, attrList) {
/**
* some attributes come together, so if you have one of them
* in the input, you should copy the default values of the others
* to the input as well.
*/
if(!containerIn) return;
var hasAny = false;
var hasAll = true;
var i;
var val;
for(i = 0; i < attrList.length; i++) {
val = containerIn[attrList[i]];
if(val !== undefined && val !== null) hasAny = true;
else hasAll = false;
}
if(hasAny && !hasAll) {
for(i = 0; i < attrList.length; i++) {
containerIn[attrList[i]] = containerOut[attrList[i]];
}
}
};
/** merges calcdata field (given by cdAttr) with traceAttr values
*
* N.B. Loop over minimum of cd.length and traceAttr.length
* i.e. it does not try to fill in beyond traceAttr.length-1
*
* @param {array} traceAttr : trace attribute
* @param {object} cd : calcdata trace
* @param {string} cdAttr : calcdata key
*/
lib.mergeArray = function(traceAttr, cd, cdAttr) {
if(lib.isArrayOrTypedArray(traceAttr)) {
var imax = Math.min(traceAttr.length, cd.length);
for(var i = 0; i < imax; i++) cd[i][cdAttr] = traceAttr[i];
}
};
/** fills calcdata field (given by cdAttr) with traceAttr values
* or function of traceAttr values (e.g. some fallback)
*
* N.B. Loops over all cd items.
*
* @param {array} traceAttr : trace attribute
* @param {object} cd : calcdata trace
* @param {string} cdAttr : calcdata key
* @param {function} [fn] : optional function to apply to each array item
*/
lib.fillArray = function(traceAttr, cd, cdAttr, fn) {
fn = fn || lib.identity;
if(lib.isArrayOrTypedArray(traceAttr)) {
for(var i = 0; i < cd.length; i++) {
cd[i][cdAttr] = fn(traceAttr[i]);
}
}
};
/** Handler for trace-wide vs per-point options
*
* @param {object} trace : (full) trace object
* @param {number} ptNumber : index of the point in question
* @param {string} astr : attribute string
* @param {function} [fn] : optional function to apply to each array item
*
* @return {any}
*/
lib.castOption = function(trace, ptNumber, astr, fn) {
fn = fn || lib.identity;
var val = lib.nestedProperty(trace, astr).get();
if(lib.isArrayOrTypedArray(val)) {
if(Array.isArray(ptNumber) && lib.isArrayOrTypedArray(val[ptNumber[0]])) {
return fn(val[ptNumber[0]][ptNumber[1]]);
} else {
return fn(val[ptNumber]);
}
} else {
return val;
}
};
/** Extract option from calcdata item, correctly falling back to
* trace value if not found.
*
* @param {object} calcPt : calcdata[i][j] item
* @param {object} trace : (full) trace object
* @param {string} calcKey : calcdata key
* @param {string} traceKey : aka trace attribute string
* @return {any}
*/
lib.extractOption = function(calcPt, trace, calcKey, traceKey) {
if(calcKey in calcPt) return calcPt[calcKey];
// fallback to trace value,
// must check if value isn't itself an array
// which means the trace attribute has a corresponding
// calcdata key, but its value is falsy
var traceVal = lib.nestedProperty(trace, traceKey).get();
if(!Array.isArray(traceVal)) return traceVal;
};
function makePtIndex2PtNumber(indexToPoints) {
var ptIndex2ptNumber = {};
for(var k in indexToPoints) {
var pts = indexToPoints[k];
for(var j = 0; j < pts.length; j++) {
ptIndex2ptNumber[pts[j]] = +k;
}
}
return ptIndex2ptNumber;
}
/** Tag selected calcdata items
*
* N.B. note that point 'index' corresponds to input data array index
* whereas 'number' is its post-transform version.
*
* @param {array} calcTrace
* @param {object} trace
* - selectedpoints {array}
* - _indexToPoints {object}
* @param {ptNumber2cdIndex} ptNumber2cdIndex (optional)
* optional map object for trace types that do not have 1-to-1 point number to
* calcdata item index correspondence (e.g. histogram)
*/
lib.tagSelected = function(calcTrace, trace, ptNumber2cdIndex) {
var selectedpoints = trace.selectedpoints;
var indexToPoints = trace._indexToPoints;
var ptIndex2ptNumber;
// make pt index-to-number map object, which takes care of transformed traces
if(indexToPoints) {
ptIndex2ptNumber = makePtIndex2PtNumber(indexToPoints);
}
function isCdIndexValid(v) {
return v !== undefined && v < calcTrace.length;
}
for(var i = 0; i < selectedpoints.length; i++) {
var ptIndex = selectedpoints[i];
if(lib.isIndex(ptIndex)) {
var ptNumber = ptIndex2ptNumber ? ptIndex2ptNumber[ptIndex] : ptIndex;
var cdIndex = ptNumber2cdIndex ? ptNumber2cdIndex[ptNumber] : ptNumber;
if(isCdIndexValid(cdIndex)) {
calcTrace[cdIndex].selected = 1;
}
}
}
};
lib.selIndices2selPoints = function(trace) {
var selectedpoints = trace.selectedpoints;
var indexToPoints = trace._indexToPoints;
if(indexToPoints) {
var ptIndex2ptNumber = makePtIndex2PtNumber(indexToPoints);
var out = [];
for(var i = 0; i < selectedpoints.length; i++) {
var ptIndex = selectedpoints[i];
if(lib.isIndex(ptIndex)) {
var ptNumber = ptIndex2ptNumber[ptIndex];
if(lib.isIndex(ptNumber)) {
out.push(ptNumber);
}
}
}
return out;
} else {
return selectedpoints;
}
};
/** Returns target as set by 'target' transform attribute
*
* @param {object} trace : full trace object
* @param {object} transformOpts : transform option object
* - target (string} :
* either an attribute string referencing an array in the trace object, or
* a set array.
*
* @return {array or false} : the target array (NOT a copy!!) or false if invalid
*/
lib.getTargetArray = function(trace, transformOpts) {
var target = transformOpts.target;
if(typeof target === 'string' && target) {
var array = lib.nestedProperty(trace, target).get();
return Array.isArray(array) ? array : false;
} else if(Array.isArray(target)) {
return target;
}
return false;
};
/**
* modified version of jQuery's extend to strip out private objs and functions,
* and cut arrays down to first <arraylen> or 1 elements
* because extend-like algorithms are hella slow
* obj2 is assumed to already be clean of these things (including no arrays)
*/
lib.minExtend = function(obj1, obj2) {
var objOut = {};
if(typeof obj2 !== 'object') obj2 = {};
var arrayLen = 3;
var keys = Object.keys(obj1);
var i, k, v;
for(i = 0; i < keys.length; i++) {
k = keys[i];
v = obj1[k];
if(k.charAt(0) === '_' || typeof v === 'function') continue;
else if(k === 'module') objOut[k] = v;
else if(Array.isArray(v)) {
if(k === 'colorscale') {
objOut[k] = v.slice();
} else {
objOut[k] = v.slice(0, arrayLen);
}
} else if(v && (typeof v === 'object')) objOut[k] = lib.minExtend(obj1[k], obj2[k]);
else objOut[k] = v;
}
keys = Object.keys(obj2);
for(i = 0; i < keys.length; i++) {
k = keys[i];
v = obj2[k];
if(typeof v !== 'object' || !(k in objOut) || typeof objOut[k] !== 'object') {
objOut[k] = v;
}
}
return objOut;
};
lib.titleCase = function(s) {
return s.charAt(0).toUpperCase() + s.substr(1);
};
lib.containsAny = function(s, fragments) {
for(var i = 0; i < fragments.length; i++) {
if(s.indexOf(fragments[i]) !== -1) return true;
}
return false;
};
lib.isPlotDiv = function(el) {
var el3 = d3.select(el);
return el3.node() instanceof HTMLElement &&
el3.size() &&
el3.classed('js-plotly-plot');
};
lib.removeElement = function(el) {
var elParent = el && el.parentNode;
if(elParent) elParent.removeChild(el);
};
/**
* for dynamically adding style rules
* makes one stylesheet that contains all rules added
* by all calls to this function
*/
lib.addStyleRule = function(selector, styleString) {
lib.addRelatedStyleRule('global', selector, styleString);
};
/**
* for dynamically adding style rules
* to a stylesheet uniquely identified by a uid
*/
lib.addRelatedStyleRule = function(uid, selector, styleString) {
var id = 'plotly.js-style-' + uid;
var style = document.getElementById(id);
if(!style) {
style = document.createElement('style');
style.setAttribute('id', id);
// WebKit hack :(
style.appendChild(document.createTextNode(''));
document.head.appendChild(style);
}
var styleSheet = style.sheet;
if(styleSheet.insertRule) {
styleSheet.insertRule(selector + '{' + styleString + '}', 0);
} else if(styleSheet.addRule) {
styleSheet.addRule(selector, styleString, 0);
} else lib.warn('addStyleRule failed');
};
/**
* to remove from the page a stylesheet identified by a given uid
*/
lib.deleteRelatedStyleRule = function(uid) {
var id = 'plotly.js-style-' + uid;
var style = document.getElementById(id);
if(style) lib.removeElement(style);
};
lib.isIE = function() {
return typeof window.navigator.msSaveBlob !== 'undefined';
};
/**
* Duck typing to recognize a d3 selection, mostly for IE9's benefit
* because it doesn't handle instanceof like modern browsers
*/
lib.isD3Selection = function(obj) {
return obj && (typeof obj.classed === 'function');
};
/**
* Append element to DOM only if not present.
*
* @param {d3 selection} parent : parent selection of the element in question
* @param {string} nodeType : node type of element to append
* @param {string} className (optional) : class name of element in question
* @param {fn} enterFn (optional) : optional fn applied to entering elements only
* @return {d3 selection} selection of new layer
*
* Previously, we were using the following pattern:
*
* ```
* var sel = parent.selectAll('.' + className)
* .data([0]);
*
* sel.enter().append(nodeType)
* .classed(className, true);
*
* return sel;
* ```
*
* in numerous places in our codebase to achieve the same behavior.
*
* The logic below performs much better, mostly as we are using
* `.select` instead `.selectAll` that is `querySelector` instead of
* `querySelectorAll`.
*
*/
lib.ensureSingle = function(parent, nodeType, className, enterFn) {
var sel = parent.select(nodeType + (className ? '.' + className : ''));
if(sel.size()) return sel;
var layer = parent.append(nodeType);
if(className) layer.classed(className, true);
if(enterFn) layer.call(enterFn);
return layer;
};
/**
* Same as Lib.ensureSingle, but using id as selector.
* This version is mostly used for clipPath nodes.
*
* @param {d3 selection} parent : parent selection of the element in question
* @param {string} nodeType : node type of element to append
* @param {string} id : id of element in question
* @param {fn} enterFn (optional) : optional fn applied to entering elements only
* @return {d3 selection} selection of new layer
*/
lib.ensureSingleById = function(parent, nodeType, id, enterFn) {
var sel = parent.select(nodeType + '#' + id);
if(sel.size()) return sel;
var layer = parent.append(nodeType).attr('id', id);
if(enterFn) layer.call(enterFn);
return layer;
};
/**
* Converts a string path to an object.
*
* When given a string containing an array element, it will create a `null`
* filled array of the given size.
*
* @example
* lib.objectFromPath('nested.test[2].path', 'value');
* // returns { nested: { test: [null, null, { path: 'value' }]}
*
* @param {string} path to nested value
* @param {*} any value to be set
*
* @return {Object} the constructed object with a full nested path
*/
lib.objectFromPath = function(path, value) {
var keys = path.split('.');
var tmpObj;
var obj = tmpObj = {};
for(var i = 0; i < keys.length; i++) {
var key = keys[i];
var el = null;
var parts = keys[i].match(/(.*)\[([0-9]+)\]/);
if(parts) {
key = parts[1];
el = parts[2];
tmpObj = tmpObj[key] = [];
if(i === keys.length - 1) {
tmpObj[el] = value;
} else {
tmpObj[el] = {};
}
tmpObj = tmpObj[el];
} else {
if(i === keys.length - 1) {
tmpObj[key] = value;
} else {
tmpObj[key] = {};
}
tmpObj = tmpObj[key];
}
}
return obj;
};
/**
* Iterate through an object in-place, converting dotted properties to objects.
*
* Examples:
*
* lib.expandObjectPaths({'nested.test.path': 'value'});
* => { nested: { test: {path: 'value'}}}
*
* It also handles array notation, e.g.:
*
* lib.expandObjectPaths({'foo[1].bar': 'value'});
* => { foo: [null, {bar: value}] }
*
* It handles merges the results when two properties are specified in parallel:
*
* lib.expandObjectPaths({'foo[1].bar': 10, 'foo[0].bar': 20});
* => { foo: [{bar: 10}, {bar: 20}] }
*
* It does NOT, however, merge mulitple mutliply-nested arrays::
*
* lib.expandObjectPaths({'marker[1].range[1]': 5, 'marker[1].range[0]': 4})
* => { marker: [null, {range: 4}] }
*/
// Store this to avoid recompiling regex on *every* prop since this may happen many
// many times for animations. Could maybe be inside the function. Not sure about
// scoping vs. recompilation tradeoff, but at least it's not just inlining it into
// the inner loop.
var dottedPropertyRegex = /^([^\[\.]+)\.(.+)?/;
var indexedPropertyRegex = /^([^\.]+)\[([0-9]+)\](\.)?(.+)?/;
lib.expandObjectPaths = function(data) {
var match, key, prop, datum, idx, dest, trailingPath;
if(typeof data === 'object' && !Array.isArray(data)) {
for(key in data) {
if(data.hasOwnProperty(key)) {
if((match = key.match(dottedPropertyRegex))) {
datum = data[key];
prop = match[1];
delete data[key];
data[prop] = lib.extendDeepNoArrays(data[prop] || {}, lib.objectFromPath(key, lib.expandObjectPaths(datum))[prop]);
} else if((match = key.match(indexedPropertyRegex))) {
datum = data[key];
prop = match[1];
idx = parseInt(match[2]);
delete data[key];
data[prop] = data[prop] || [];
if(match[3] === '.') {
// This is the case where theere are subsequent properties into which
// we must recurse, e.g. transforms[0].value
trailingPath = match[4];
dest = data[prop][idx] = data[prop][idx] || {};
// NB: Extend deep no arrays prevents this from working on multiple
// nested properties in the same object, e.g.
//
// {
// foo[0].bar[1].range
// foo[0].bar[0].range
// }
//
// In this case, the extendDeepNoArrays will overwrite one array with
// the other, so that both properties *will not* be present in the
// result. Fixing this would require a more intelligent tracking
// of changes and merging than extendDeepNoArrays currently accomplishes.
lib.extendDeepNoArrays(dest, lib.objectFromPath(trailingPath, lib.expandObjectPaths(datum)));
} else {
// This is the case where this property is the end of the line,
// e.g. xaxis.range[0]
data[prop][idx] = lib.expandObjectPaths(datum);
}
} else {
data[key] = lib.expandObjectPaths(data[key]);
}
}
}
}
return data;
};
/**
* Converts value to string separated by the provided separators.
*
* @example
* lib.numSeparate(2016, '.,');
* // returns '2016'
*
* @example
* lib.numSeparate(3000, '.,', true);
* // returns '3,000'
*
* @example
* lib.numSeparate(1234.56, '|,')
* // returns '1,234|56'
*
* @param {string|number} value the value to be converted
* @param {string} separators string of decimal, then thousands separators
* @param {boolean} separatethousands boolean, 4-digit integers are separated if true
*
* @return {string} the value that has been separated
*/
lib.numSeparate = function(value, separators, separatethousands) {
if(!separatethousands) separatethousands = false;
if(typeof separators !== 'string' || separators.length === 0) {
throw new Error('Separator string required for formatting!');
}
if(typeof value === 'number') {
value = String(value);
}
var thousandsRe = /(\d+)(\d{3})/;
var decimalSep = separators.charAt(0);
var thouSep = separators.charAt(1);
var x = value.split('.');
var x1 = x[0];
var x2 = x.length > 1 ? decimalSep + x[1] : '';
// Years are ignored for thousands separators
if(thouSep && (x.length > 1 || x1.length > 4 || separatethousands)) {
while(thousandsRe.test(x1)) {
x1 = x1.replace(thousandsRe, '$1' + thouSep + '$2');
}
}
return x1 + x2;
};
lib.TEMPLATE_STRING_REGEX = /%{([^\s%{}:]*)(:[^}]*)?}/g;
var SIMPLE_PROPERTY_REGEX = /^\w*$/;
/**
* Substitute values from an object into a string
*
* Examples:
* Lib.templateString('name: %{trace}', {trace: 'asdf'}) --> 'name: asdf'