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1(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Pbf = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
2'use strict';
3
4// lightweight Buffer shim for pbf browser build
5// based on code from github.com/feross/buffer (MIT-licensed)
6
7module.exports = Buffer;
8
9var ieee754 = require('ieee754');
10
11var BufferMethods;
12
13function Buffer(length) {
14 var arr;
15 if (length && length.length) {
16 arr = length;
17 length = arr.length;
18 }
19 var buf = new Uint8Array(length || 0);
20 if (arr) buf.set(arr);
21
22 buf.readUInt32LE = BufferMethods.readUInt32LE;
23 buf.writeUInt32LE = BufferMethods.writeUInt32LE;
24 buf.readInt32LE = BufferMethods.readInt32LE;
25 buf.writeInt32LE = BufferMethods.writeInt32LE;
26 buf.readFloatLE = BufferMethods.readFloatLE;
27 buf.writeFloatLE = BufferMethods.writeFloatLE;
28 buf.readDoubleLE = BufferMethods.readDoubleLE;
29 buf.writeDoubleLE = BufferMethods.writeDoubleLE;
30 buf.toString = BufferMethods.toString;
31 buf.write = BufferMethods.write;
32 buf.slice = BufferMethods.slice;
33 buf.copy = BufferMethods.copy;
34
35 buf._isBuffer = true;
36 return buf;
37}
38
39var lastStr, lastStrEncoded;
40
41BufferMethods = {
42 readUInt32LE: function(pos) {
43 return ((this[pos]) |
44 (this[pos + 1] << 8) |
45 (this[pos + 2] << 16)) +
46 (this[pos + 3] * 0x1000000);
47 },
48
49 writeUInt32LE: function(val, pos) {
50 this[pos] = val;
51 this[pos + 1] = (val >>> 8);
52 this[pos + 2] = (val >>> 16);
53 this[pos + 3] = (val >>> 24);
54 },
55
56 readInt32LE: function(pos) {
57 return ((this[pos]) |
58 (this[pos + 1] << 8) |
59 (this[pos + 2] << 16)) +
60 (this[pos + 3] << 24);
61 },
62
63 readFloatLE: function(pos) { return ieee754.read(this, pos, true, 23, 4); },
64 readDoubleLE: function(pos) { return ieee754.read(this, pos, true, 52, 8); },
65
66 writeFloatLE: function(val, pos) { return ieee754.write(this, val, pos, true, 23, 4); },
67 writeDoubleLE: function(val, pos) { return ieee754.write(this, val, pos, true, 52, 8); },
68
69 toString: function(encoding, start, end) {
70 var str = '',
71 tmp = '';
72
73 start = start || 0;
74 end = Math.min(this.length, end || this.length);
75
76 for (var i = start; i < end; i++) {
77 var ch = this[i];
78 if (ch <= 0x7F) {
79 str += decodeURIComponent(tmp) + String.fromCharCode(ch);
80 tmp = '';
81 } else {
82 tmp += '%' + ch.toString(16);
83 }
84 }
85
86 str += decodeURIComponent(tmp);
87
88 return str;
89 },
90
91 write: function(str, pos) {
92 var bytes = str === lastStr ? lastStrEncoded : encodeString(str);
93 for (var i = 0; i < bytes.length; i++) {
94 this[pos + i] = bytes[i];
95 }
96 },
97
98 slice: function(start, end) {
99 return this.subarray(start, end);
100 },
101
102 copy: function(buf, pos) {
103 pos = pos || 0;
104 for (var i = 0; i < this.length; i++) {
105 buf[pos + i] = this[i];
106 }
107 }
108};
109
110BufferMethods.writeInt32LE = BufferMethods.writeUInt32LE;
111
112Buffer.byteLength = function(str) {
113 lastStr = str;
114 lastStrEncoded = encodeString(str);
115 return lastStrEncoded.length;
116};
117
118Buffer.isBuffer = function(buf) {
119 return !!(buf && buf._isBuffer);
120};
121
122function encodeString(str) {
123 var length = str.length,
124 bytes = [];
125
126 for (var i = 0, c, lead; i < length; i++) {
127 c = str.charCodeAt(i); // code point
128
129 if (c > 0xD7FF && c < 0xE000) {
130
131 if (lead) {
132 if (c < 0xDC00) {
133 bytes.push(0xEF, 0xBF, 0xBD);
134 lead = c;
135 continue;
136
137 } else {
138 c = lead - 0xD800 << 10 | c - 0xDC00 | 0x10000;
139 lead = null;
140 }
141
142 } else {
143 if (c > 0xDBFF || (i + 1 === length)) bytes.push(0xEF, 0xBF, 0xBD);
144 else lead = c;
145
146 continue;
147 }
148
149 } else if (lead) {
150 bytes.push(0xEF, 0xBF, 0xBD);
151 lead = null;
152 }
153
154 if (c < 0x80) bytes.push(c);
155 else if (c < 0x800) bytes.push(c >> 0x6 | 0xC0, c & 0x3F | 0x80);
156 else if (c < 0x10000) bytes.push(c >> 0xC | 0xE0, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);
157 else bytes.push(c >> 0x12 | 0xF0, c >> 0xC & 0x3F | 0x80, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);
158 }
159 return bytes;
160}
161
162},{"ieee754":3}],2:[function(require,module,exports){
163(function (global){
164'use strict';
165
166module.exports = Pbf;
167
168var Buffer = global.Buffer || require('./buffer');
169
170function Pbf(buf) {
171 this.buf = !Buffer.isBuffer(buf) ? new Buffer(buf || 0) : buf;
172 this.pos = 0;
173 this.length = this.buf.length;
174}
175
176Pbf.Varint = 0; // varint: int32, int64, uint32, uint64, sint32, sint64, bool, enum
177Pbf.Fixed64 = 1; // 64-bit: double, fixed64, sfixed64
178Pbf.Bytes = 2; // length-delimited: string, bytes, embedded messages, packed repeated fields
179Pbf.Fixed32 = 5; // 32-bit: float, fixed32, sfixed32
180
181var SHIFT_LEFT_32 = (1 << 16) * (1 << 16),
182 SHIFT_RIGHT_32 = 1 / SHIFT_LEFT_32,
183 POW_2_63 = Math.pow(2, 63);
184
185Pbf.prototype = {
186
187 destroy: function() {
188 this.buf = null;
189 },
190
191 // === READING =================================================================
192
193 readFields: function(readField, result, end) {
194 end = end || this.length;
195
196 while (this.pos < end) {
197 var val = this.readVarint(),
198 tag = val >> 3,
199 startPos = this.pos;
200
201 readField(tag, result, this);
202
203 if (this.pos === startPos) this.skip(val);
204 }
205 return result;
206 },
207
208 readMessage: function(readField, result) {
209 return this.readFields(readField, result, this.readVarint() + this.pos);
210 },
211
212 readFixed32: function() {
213 var val = this.buf.readUInt32LE(this.pos);
214 this.pos += 4;
215 return val;
216 },
217
218 readSFixed32: function() {
219 var val = this.buf.readInt32LE(this.pos);
220 this.pos += 4;
221 return val;
222 },
223
224 // 64-bit int handling is based on github.com/dpw/node-buffer-more-ints (MIT-licensed)
225
226 readFixed64: function() {
227 var val = this.buf.readUInt32LE(this.pos) + this.buf.readUInt32LE(this.pos + 4) * SHIFT_LEFT_32;
228 this.pos += 8;
229 return val;
230 },
231
232 readSFixed64: function() {
233 var val = this.buf.readUInt32LE(this.pos) + this.buf.readInt32LE(this.pos + 4) * SHIFT_LEFT_32;
234 this.pos += 8;
235 return val;
236 },
237
238 readFloat: function() {
239 var val = this.buf.readFloatLE(this.pos);
240 this.pos += 4;
241 return val;
242 },
243
244 readDouble: function() {
245 var val = this.buf.readDoubleLE(this.pos);
246 this.pos += 8;
247 return val;
248 },
249
250 readVarint: function() {
251 var buf = this.buf,
252 val, b;
253
254 b = buf[this.pos++]; val = b & 0x7f; if (b < 0x80) return val;
255 b = buf[this.pos++]; val |= (b & 0x7f) << 7; if (b < 0x80) return val;
256 b = buf[this.pos++]; val |= (b & 0x7f) << 14; if (b < 0x80) return val;
257 b = buf[this.pos++]; val |= (b & 0x7f) << 21; if (b < 0x80) return val;
258
259 return readVarintRemainder(val, this);
260 },
261
262 readVarint64: function() {
263 var startPos = this.pos,
264 val = this.readVarint();
265
266 if (val < POW_2_63) return val;
267
268 var pos = this.pos - 2;
269 while (this.buf[pos] === 0xff) pos--;
270 if (pos < startPos) pos = startPos;
271
272 val = 0;
273 for (var i = 0; i < pos - startPos + 1; i++) {
274 var b = ~this.buf[startPos + i] & 0x7f;
275 val += i < 4 ? b << i * 7 : b * Math.pow(2, i * 7);
276 }
277
278 return -val - 1;
279 },
280
281 readSVarint: function() {
282 var num = this.readVarint();
283 return num % 2 === 1 ? (num + 1) / -2 : num / 2; // zigzag encoding
284 },
285
286 readBoolean: function() {
287 return Boolean(this.readVarint());
288 },
289
290 readString: function() {
291 var end = this.readVarint() + this.pos,
292 str = this.buf.toString('utf8', this.pos, end);
293 this.pos = end;
294 return str;
295 },
296
297 readBytes: function() {
298 var end = this.readVarint() + this.pos,
299 buffer = this.buf.slice(this.pos, end);
300 this.pos = end;
301 return buffer;
302 },
303
304 // verbose for performance reasons; doesn't affect gzipped size
305
306 readPackedVarint: function() {
307 var end = this.readVarint() + this.pos, arr = [];
308 while (this.pos < end) arr.push(this.readVarint());
309 return arr;
310 },
311 readPackedSVarint: function() {
312 var end = this.readVarint() + this.pos, arr = [];
313 while (this.pos < end) arr.push(this.readSVarint());
314 return arr;
315 },
316 readPackedBoolean: function() {
317 var end = this.readVarint() + this.pos, arr = [];
318 while (this.pos < end) arr.push(this.readBoolean());
319 return arr;
320 },
321 readPackedFloat: function() {
322 var end = this.readVarint() + this.pos, arr = [];
323 while (this.pos < end) arr.push(this.readFloat());
324 return arr;
325 },
326 readPackedDouble: function() {
327 var end = this.readVarint() + this.pos, arr = [];
328 while (this.pos < end) arr.push(this.readDouble());
329 return arr;
330 },
331 readPackedFixed32: function() {
332 var end = this.readVarint() + this.pos, arr = [];
333 while (this.pos < end) arr.push(this.readFixed32());
334 return arr;
335 },
336 readPackedSFixed32: function() {
337 var end = this.readVarint() + this.pos, arr = [];
338 while (this.pos < end) arr.push(this.readSFixed32());
339 return arr;
340 },
341 readPackedFixed64: function() {
342 var end = this.readVarint() + this.pos, arr = [];
343 while (this.pos < end) arr.push(this.readFixed64());
344 return arr;
345 },
346 readPackedSFixed64: function() {
347 var end = this.readVarint() + this.pos, arr = [];
348 while (this.pos < end) arr.push(this.readSFixed64());
349 return arr;
350 },
351
352 skip: function(val) {
353 var type = val & 0x7;
354 if (type === Pbf.Varint) while (this.buf[this.pos++] > 0x7f) {}
355 else if (type === Pbf.Bytes) this.pos = this.readVarint() + this.pos;
356 else if (type === Pbf.Fixed32) this.pos += 4;
357 else if (type === Pbf.Fixed64) this.pos += 8;
358 else throw new Error('Unimplemented type: ' + type);
359 },
360
361 // === WRITING =================================================================
362
363 writeTag: function(tag, type) {
364 this.writeVarint((tag << 3) | type);
365 },
366
367 realloc: function(min) {
368 var length = this.length || 16;
369
370 while (length < this.pos + min) length *= 2;
371
372 if (length !== this.length) {
373 var buf = new Buffer(length);
374 this.buf.copy(buf);
375 this.buf = buf;
376 this.length = length;
377 }
378 },
379
380 finish: function() {
381 this.length = this.pos;
382 this.pos = 0;
383 return this.buf.slice(0, this.length);
384 },
385
386 writeFixed32: function(val) {
387 this.realloc(4);
388 this.buf.writeUInt32LE(val, this.pos);
389 this.pos += 4;
390 },
391
392 writeSFixed32: function(val) {
393 this.realloc(4);
394 this.buf.writeInt32LE(val, this.pos);
395 this.pos += 4;
396 },
397
398 writeFixed64: function(val) {
399 this.realloc(8);
400 this.buf.writeInt32LE(val & -1, this.pos);
401 this.buf.writeUInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
402 this.pos += 8;
403 },
404
405 writeSFixed64: function(val) {
406 this.realloc(8);
407 this.buf.writeInt32LE(val & -1, this.pos);
408 this.buf.writeInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
409 this.pos += 8;
410 },
411
412 writeVarint: function(val) {
413 val = +val;
414
415 if (val > 0xfffffff) {
416 writeBigVarint(val, this);
417 return;
418 }
419
420 this.realloc(4);
421
422 this.buf[this.pos++] = val & 0x7f | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
423 this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
424 this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
425 this.buf[this.pos++] = (val >>> 7) & 0x7f;
426 },
427
428 writeSVarint: function(val) {
429 this.writeVarint(val < 0 ? -val * 2 - 1 : val * 2);
430 },
431
432 writeBoolean: function(val) {
433 this.writeVarint(Boolean(val));
434 },
435
436 writeString: function(str) {
437 str = String(str);
438 var bytes = Buffer.byteLength(str);
439 this.writeVarint(bytes);
440 this.realloc(bytes);
441 this.buf.write(str, this.pos);
442 this.pos += bytes;
443 },
444
445 writeFloat: function(val) {
446 this.realloc(4);
447 this.buf.writeFloatLE(val, this.pos);
448 this.pos += 4;
449 },
450
451 writeDouble: function(val) {
452 this.realloc(8);
453 this.buf.writeDoubleLE(val, this.pos);
454 this.pos += 8;
455 },
456
457 writeBytes: function(buffer) {
458 var len = buffer.length;
459 this.writeVarint(len);
460 this.realloc(len);
461 for (var i = 0; i < len; i++) this.buf[this.pos++] = buffer[i];
462 },
463
464 writeRawMessage: function(fn, obj) {
465 this.pos++; // reserve 1 byte for short message length
466
467 // write the message directly to the buffer and see how much was written
468 var startPos = this.pos;
469 fn(obj, this);
470 var len = this.pos - startPos;
471
472 if (len >= 0x80) reallocForRawMessage(startPos, len, this);
473
474 // finally, write the message length in the reserved place and restore the position
475 this.pos = startPos - 1;
476 this.writeVarint(len);
477 this.pos += len;
478 },
479
480 writeMessage: function(tag, fn, obj) {
481 this.writeTag(tag, Pbf.Bytes);
482 this.writeRawMessage(fn, obj);
483 },
484
485 writePackedVarint: function(tag, arr) { this.writeMessage(tag, writePackedVarint, arr); },
486 writePackedSVarint: function(tag, arr) { this.writeMessage(tag, writePackedSVarint, arr); },
487 writePackedBoolean: function(tag, arr) { this.writeMessage(tag, writePackedBoolean, arr); },
488 writePackedFloat: function(tag, arr) { this.writeMessage(tag, writePackedFloat, arr); },
489 writePackedDouble: function(tag, arr) { this.writeMessage(tag, writePackedDouble, arr); },
490 writePackedFixed32: function(tag, arr) { this.writeMessage(tag, writePackedFixed32, arr); },
491 writePackedSFixed32: function(tag, arr) { this.writeMessage(tag, writePackedSFixed32, arr); },
492 writePackedFixed64: function(tag, arr) { this.writeMessage(tag, writePackedFixed64, arr); },
493 writePackedSFixed64: function(tag, arr) { this.writeMessage(tag, writePackedSFixed64, arr); },
494
495 writeBytesField: function(tag, buffer) {
496 this.writeTag(tag, Pbf.Bytes);
497 this.writeBytes(buffer);
498 },
499 writeFixed32Field: function(tag, val) {
500 this.writeTag(tag, Pbf.Fixed32);
501 this.writeFixed32(val);
502 },
503 writeSFixed32Field: function(tag, val) {
504 this.writeTag(tag, Pbf.Fixed32);
505 this.writeSFixed32(val);
506 },
507 writeFixed64Field: function(tag, val) {
508 this.writeTag(tag, Pbf.Fixed64);
509 this.writeFixed64(val);
510 },
511 writeSFixed64Field: function(tag, val) {
512 this.writeTag(tag, Pbf.Fixed64);
513 this.writeSFixed64(val);
514 },
515 writeVarintField: function(tag, val) {
516 this.writeTag(tag, Pbf.Varint);
517 this.writeVarint(val);
518 },
519 writeSVarintField: function(tag, val) {
520 this.writeTag(tag, Pbf.Varint);
521 this.writeSVarint(val);
522 },
523 writeStringField: function(tag, str) {
524 this.writeTag(tag, Pbf.Bytes);
525 this.writeString(str);
526 },
527 writeFloatField: function(tag, val) {
528 this.writeTag(tag, Pbf.Fixed32);
529 this.writeFloat(val);
530 },
531 writeDoubleField: function(tag, val) {
532 this.writeTag(tag, Pbf.Fixed64);
533 this.writeDouble(val);
534 },
535 writeBooleanField: function(tag, val) {
536 this.writeVarintField(tag, Boolean(val));
537 }
538};
539
540function readVarintRemainder(val, pbf) {
541 var buf = pbf.buf, b;
542
543 b = buf[pbf.pos++]; val += (b & 0x7f) * 0x10000000; if (b < 0x80) return val;
544 b = buf[pbf.pos++]; val += (b & 0x7f) * 0x800000000; if (b < 0x80) return val;
545 b = buf[pbf.pos++]; val += (b & 0x7f) * 0x40000000000; if (b < 0x80) return val;
546 b = buf[pbf.pos++]; val += (b & 0x7f) * 0x2000000000000; if (b < 0x80) return val;
547 b = buf[pbf.pos++]; val += (b & 0x7f) * 0x100000000000000; if (b < 0x80) return val;
548 b = buf[pbf.pos++]; val += (b & 0x7f) * 0x8000000000000000; if (b < 0x80) return val;
549
550 throw new Error('Expected varint not more than 10 bytes');
551}
552
553function writeBigVarint(val, pbf) {
554 pbf.realloc(10);
555
556 var maxPos = pbf.pos + 10;
557
558 while (val >= 1) {
559 if (pbf.pos >= maxPos) throw new Error('Given varint doesn\'t fit into 10 bytes');
560 var b = val & 0xff;
561 pbf.buf[pbf.pos++] = b | (val >= 0x80 ? 0x80 : 0);
562 val /= 0x80;
563 }
564}
565
566function reallocForRawMessage(startPos, len, pbf) {
567 var extraLen =
568 len <= 0x3fff ? 1 :
569 len <= 0x1fffff ? 2 :
570 len <= 0xfffffff ? 3 : Math.ceil(Math.log(len) / (Math.LN2 * 7));
571
572 // if 1 byte isn't enough for encoding message length, shift the data to the right
573 pbf.realloc(extraLen);
574 for (var i = pbf.pos - 1; i >= startPos; i--) pbf.buf[i + extraLen] = pbf.buf[i];
575}
576
577function writePackedVarint(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeVarint(arr[i]); }
578function writePackedSVarint(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSVarint(arr[i]); }
579function writePackedFloat(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeFloat(arr[i]); }
580function writePackedDouble(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeDouble(arr[i]); }
581function writePackedBoolean(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeBoolean(arr[i]); }
582function writePackedFixed32(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeFixed32(arr[i]); }
583function writePackedSFixed32(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed32(arr[i]); }
584function writePackedFixed64(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeFixed64(arr[i]); }
585function writePackedSFixed64(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed64(arr[i]); }
586
587}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
588
589},{"./buffer":1}],3:[function(require,module,exports){
590exports.read = function (buffer, offset, isLE, mLen, nBytes) {
591 var e, m
592 var eLen = nBytes * 8 - mLen - 1
593 var eMax = (1 << eLen) - 1
594 var eBias = eMax >> 1
595 var nBits = -7
596 var i = isLE ? (nBytes - 1) : 0
597 var d = isLE ? -1 : 1
598 var s = buffer[offset + i]
599
600 i += d
601
602 e = s & ((1 << (-nBits)) - 1)
603 s >>= (-nBits)
604 nBits += eLen
605 for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
606
607 m = e & ((1 << (-nBits)) - 1)
608 e >>= (-nBits)
609 nBits += mLen
610 for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
611
612 if (e === 0) {
613 e = 1 - eBias
614 } else if (e === eMax) {
615 return m ? NaN : ((s ? -1 : 1) * Infinity)
616 } else {
617 m = m + Math.pow(2, mLen)
618 e = e - eBias
619 }
620 return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
621}
622
623exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
624 var e, m, c
625 var eLen = nBytes * 8 - mLen - 1
626 var eMax = (1 << eLen) - 1
627 var eBias = eMax >> 1
628 var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
629 var i = isLE ? 0 : (nBytes - 1)
630 var d = isLE ? 1 : -1
631 var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
632
633 value = Math.abs(value)
634
635 if (isNaN(value) || value === Infinity) {
636 m = isNaN(value) ? 1 : 0
637 e = eMax
638 } else {
639 e = Math.floor(Math.log(value) / Math.LN2)
640 if (value * (c = Math.pow(2, -e)) < 1) {
641 e--
642 c *= 2
643 }
644 if (e + eBias >= 1) {
645 value += rt / c
646 } else {
647 value += rt * Math.pow(2, 1 - eBias)
648 }
649 if (value * c >= 2) {
650 e++
651 c /= 2
652 }
653
654 if (e + eBias >= eMax) {
655 m = 0
656 e = eMax
657 } else if (e + eBias >= 1) {
658 m = (value * c - 1) * Math.pow(2, mLen)
659 e = e + eBias
660 } else {
661 m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
662 e = 0
663 }
664 }
665
666 for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
667
668 e = (e << mLen) | m
669 eLen += mLen
670 for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
671
672 buffer[offset + i - d] |= s * 128
673}
674
675},{}]},{},[2])(2)
676});
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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","'use strict';\n\n// lightweight Buffer shim for pbf browser build\n// based on code from github.com/feross/buffer (MIT-licensed)\n\nmodule.exports = Buffer;\n\nvar ieee754 = require('ieee754');\n\nvar BufferMethods;\n\nfunction Buffer(length) {\n    var arr;\n    if (length && length.length) {\n        arr = length;\n        length = arr.length;\n    }\n    var buf = new Uint8Array(length || 0);\n    if (arr) buf.set(arr);\n\n    buf.readUInt32LE = BufferMethods.readUInt32LE;\n    buf.writeUInt32LE = BufferMethods.writeUInt32LE;\n    buf.readInt32LE = BufferMethods.readInt32LE;\n    buf.writeInt32LE = BufferMethods.writeInt32LE;\n    buf.readFloatLE = BufferMethods.readFloatLE;\n    buf.writeFloatLE = BufferMethods.writeFloatLE;\n    buf.readDoubleLE = BufferMethods.readDoubleLE;\n    buf.writeDoubleLE = BufferMethods.writeDoubleLE;\n    buf.toString = BufferMethods.toString;\n    buf.write = BufferMethods.write;\n    buf.slice = BufferMethods.slice;\n    buf.copy = BufferMethods.copy;\n\n    buf._isBuffer = true;\n    return buf;\n}\n\nvar lastStr, lastStrEncoded;\n\nBufferMethods = {\n    readUInt32LE: function(pos) {\n        return ((this[pos]) |\n            (this[pos + 1] << 8) |\n            (this[pos + 2] << 16)) +\n            (this[pos + 3] * 0x1000000);\n    },\n\n    writeUInt32LE: function(val, pos) {\n        this[pos] = val;\n        this[pos + 1] = (val >>> 8);\n        this[pos + 2] = (val >>> 16);\n        this[pos + 3] = (val >>> 24);\n    },\n\n    readInt32LE: function(pos) {\n        return ((this[pos]) |\n            (this[pos + 1] << 8) |\n            (this[pos + 2] << 16)) +\n            (this[pos + 3] << 24);\n    },\n\n    readFloatLE:  function(pos) { return ieee754.read(this, pos, true, 23, 4); },\n    readDoubleLE: function(pos) { return ieee754.read(this, pos, true, 52, 8); },\n\n    writeFloatLE:  function(val, pos) { return ieee754.write(this, val, pos, true, 23, 4); },\n    writeDoubleLE: function(val, pos) { return ieee754.write(this, val, pos, true, 52, 8); },\n\n    toString: function(encoding, start, end) {\n        var str = '',\n            tmp = '';\n\n        start = start || 0;\n        end = Math.min(this.length, end || this.length);\n\n        for (var i = start; i < end; i++) {\n            var ch = this[i];\n            if (ch <= 0x7F) {\n                str += decodeURIComponent(tmp) + String.fromCharCode(ch);\n                tmp = '';\n            } else {\n                tmp += '%' + ch.toString(16);\n            }\n        }\n\n        str += decodeURIComponent(tmp);\n\n        return str;\n    },\n\n    write: function(str, pos) {\n        var bytes = str === lastStr ? lastStrEncoded : encodeString(str);\n        for (var i = 0; i < bytes.length; i++) {\n            this[pos + i] = bytes[i];\n        }\n    },\n\n    slice: function(start, end) {\n        return this.subarray(start, end);\n    },\n\n    copy: function(buf, pos) {\n        pos = pos || 0;\n        for (var i = 0; i < this.length; i++) {\n            buf[pos + i] = this[i];\n        }\n    }\n};\n\nBufferMethods.writeInt32LE = BufferMethods.writeUInt32LE;\n\nBuffer.byteLength = function(str) {\n    lastStr = str;\n    lastStrEncoded = encodeString(str);\n    return lastStrEncoded.length;\n};\n\nBuffer.isBuffer = function(buf) {\n    return !!(buf && buf._isBuffer);\n};\n\nfunction encodeString(str) {\n    var length = str.length,\n        bytes = [];\n\n    for (var i = 0, c, lead; i < length; i++) {\n        c = str.charCodeAt(i); // code point\n\n        if (c > 0xD7FF && c < 0xE000) {\n\n            if (lead) {\n                if (c < 0xDC00) {\n                    bytes.push(0xEF, 0xBF, 0xBD);\n                    lead = c;\n                    continue;\n\n                } else {\n                    c = lead - 0xD800 << 10 | c - 0xDC00 | 0x10000;\n                    lead = null;\n                }\n\n            } else {\n                if (c > 0xDBFF || (i + 1 === length)) bytes.push(0xEF, 0xBF, 0xBD);\n                else lead = c;\n\n                continue;\n            }\n\n        } else if (lead) {\n            bytes.push(0xEF, 0xBF, 0xBD);\n            lead = null;\n        }\n\n        if (c < 0x80) bytes.push(c);\n        else if (c < 0x800) bytes.push(c >> 0x6 | 0xC0, c & 0x3F | 0x80);\n        else if (c < 0x10000) bytes.push(c >> 0xC | 0xE0, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);\n        else bytes.push(c >> 0x12 | 0xF0, c >> 0xC & 0x3F | 0x80, c >> 0x6 & 0x3F | 0x80, c & 0x3F | 0x80);\n    }\n    return bytes;\n}\n","'use strict';\n\nmodule.exports = Pbf;\n\nvar Buffer = global.Buffer || require('./buffer');\n\nfunction Pbf(buf) {\n    this.buf = !Buffer.isBuffer(buf) ? new Buffer(buf || 0) : buf;\n    this.pos = 0;\n    this.length = this.buf.length;\n}\n\nPbf.Varint  = 0; // varint: int32, int64, uint32, uint64, sint32, sint64, bool, enum\nPbf.Fixed64 = 1; // 64-bit: double, fixed64, sfixed64\nPbf.Bytes   = 2; // length-delimited: string, bytes, embedded messages, packed repeated fields\nPbf.Fixed32 = 5; // 32-bit: float, fixed32, sfixed32\n\nvar SHIFT_LEFT_32 = (1 << 16) * (1 << 16),\n    SHIFT_RIGHT_32 = 1 / SHIFT_LEFT_32,\n    POW_2_63 = Math.pow(2, 63);\n\nPbf.prototype = {\n\n    destroy: function() {\n        this.buf = null;\n    },\n\n    // === READING =================================================================\n\n    readFields: function(readField, result, end) {\n        end = end || this.length;\n\n        while (this.pos < end) {\n            var val = this.readVarint(),\n                tag = val >> 3,\n                startPos = this.pos;\n\n            readField(tag, result, this);\n\n            if (this.pos === startPos) this.skip(val);\n        }\n        return result;\n    },\n\n    readMessage: function(readField, result) {\n        return this.readFields(readField, result, this.readVarint() + this.pos);\n    },\n\n    readFixed32: function() {\n        var val = this.buf.readUInt32LE(this.pos);\n        this.pos += 4;\n        return val;\n    },\n\n    readSFixed32: function() {\n        var val = this.buf.readInt32LE(this.pos);\n        this.pos += 4;\n        return val;\n    },\n\n    // 64-bit int handling is based on github.com/dpw/node-buffer-more-ints (MIT-licensed)\n\n    readFixed64: function() {\n        var val = this.buf.readUInt32LE(this.pos) + this.buf.readUInt32LE(this.pos + 4) * SHIFT_LEFT_32;\n        this.pos += 8;\n        return val;\n    },\n\n    readSFixed64: function() {\n        var val = this.buf.readUInt32LE(this.pos) + this.buf.readInt32LE(this.pos + 4) * SHIFT_LEFT_32;\n        this.pos += 8;\n        return val;\n    },\n\n    readFloat: function() {\n        var val = this.buf.readFloatLE(this.pos);\n        this.pos += 4;\n        return val;\n    },\n\n    readDouble: function() {\n        var val = this.buf.readDoubleLE(this.pos);\n        this.pos += 8;\n        return val;\n    },\n\n    readVarint: function() {\n        var buf = this.buf,\n            val, b;\n\n        b = buf[this.pos++]; val  =  b & 0x7f;        if (b < 0x80) return val;\n        b = buf[this.pos++]; val |= (b & 0x7f) << 7;  if (b < 0x80) return val;\n        b = buf[this.pos++]; val |= (b & 0x7f) << 14; if (b < 0x80) return val;\n        b = buf[this.pos++]; val |= (b & 0x7f) << 21; if (b < 0x80) return val;\n\n        return readVarintRemainder(val, this);\n    },\n\n    readVarint64: function() {\n        var startPos = this.pos,\n            val = this.readVarint();\n\n        if (val < POW_2_63) return val;\n\n        var pos = this.pos - 2;\n        while (this.buf[pos] === 0xff) pos--;\n        if (pos < startPos) pos = startPos;\n\n        val = 0;\n        for (var i = 0; i < pos - startPos + 1; i++) {\n            var b = ~this.buf[startPos + i] & 0x7f;\n            val += i < 4 ? b << i * 7 : b * Math.pow(2, i * 7);\n        }\n\n        return -val - 1;\n    },\n\n    readSVarint: function() {\n        var num = this.readVarint();\n        return num % 2 === 1 ? (num + 1) / -2 : num / 2; // zigzag encoding\n    },\n\n    readBoolean: function() {\n        return Boolean(this.readVarint());\n    },\n\n    readString: function() {\n        var end = this.readVarint() + this.pos,\n            str = this.buf.toString('utf8', this.pos, end);\n        this.pos = end;\n        return str;\n    },\n\n    readBytes: function() {\n        var end = this.readVarint() + this.pos,\n            buffer = this.buf.slice(this.pos, end);\n        this.pos = end;\n        return buffer;\n    },\n\n    // verbose for performance reasons; doesn't affect gzipped size\n\n    readPackedVarint: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readVarint());\n        return arr;\n    },\n    readPackedSVarint: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readSVarint());\n        return arr;\n    },\n    readPackedBoolean: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readBoolean());\n        return arr;\n    },\n    readPackedFloat: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readFloat());\n        return arr;\n    },\n    readPackedDouble: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readDouble());\n        return arr;\n    },\n    readPackedFixed32: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readFixed32());\n        return arr;\n    },\n    readPackedSFixed32: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readSFixed32());\n        return arr;\n    },\n    readPackedFixed64: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readFixed64());\n        return arr;\n    },\n    readPackedSFixed64: function() {\n        var end = this.readVarint() + this.pos, arr = [];\n        while (this.pos < end) arr.push(this.readSFixed64());\n        return arr;\n    },\n\n    skip: function(val) {\n        var type = val & 0x7;\n        if (type === Pbf.Varint) while (this.buf[this.pos++] > 0x7f) {}\n        else if (type === Pbf.Bytes) this.pos = this.readVarint() + this.pos;\n        else if (type === Pbf.Fixed32) this.pos += 4;\n        else if (type === Pbf.Fixed64) this.pos += 8;\n        else throw new Error('Unimplemented type: ' + type);\n    },\n\n    // === WRITING =================================================================\n\n    writeTag: function(tag, type) {\n        this.writeVarint((tag << 3) | type);\n    },\n\n    realloc: function(min) {\n        var length = this.length || 16;\n\n        while (length < this.pos + min) length *= 2;\n\n        if (length !== this.length) {\n            var buf = new Buffer(length);\n            this.buf.copy(buf);\n            this.buf = buf;\n            this.length = length;\n        }\n    },\n\n    finish: function() {\n        this.length = this.pos;\n        this.pos = 0;\n        return this.buf.slice(0, this.length);\n    },\n\n    writeFixed32: function(val) {\n        this.realloc(4);\n        this.buf.writeUInt32LE(val, this.pos);\n        this.pos += 4;\n    },\n\n    writeSFixed32: function(val) {\n        this.realloc(4);\n        this.buf.writeInt32LE(val, this.pos);\n        this.pos += 4;\n    },\n\n    writeFixed64: function(val) {\n        this.realloc(8);\n        this.buf.writeInt32LE(val & -1, this.pos);\n        this.buf.writeUInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);\n        this.pos += 8;\n    },\n\n    writeSFixed64: function(val) {\n        this.realloc(8);\n        this.buf.writeInt32LE(val & -1, this.pos);\n        this.buf.writeInt32LE(Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);\n        this.pos += 8;\n    },\n\n    writeVarint: function(val) {\n        val = +val;\n\n        if (val > 0xfffffff) {\n            writeBigVarint(val, this);\n            return;\n        }\n\n        this.realloc(4);\n\n        this.buf[this.pos++] =           val & 0x7f  | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;\n        this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;\n        this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;\n        this.buf[this.pos++] =   (val >>> 7) & 0x7f;\n    },\n\n    writeSVarint: function(val) {\n        this.writeVarint(val < 0 ? -val * 2 - 1 : val * 2);\n    },\n\n    writeBoolean: function(val) {\n        this.writeVarint(Boolean(val));\n    },\n\n    writeString: function(str) {\n        str = String(str);\n        var bytes = Buffer.byteLength(str);\n        this.writeVarint(bytes);\n        this.realloc(bytes);\n        this.buf.write(str, this.pos);\n        this.pos += bytes;\n    },\n\n    writeFloat: function(val) {\n        this.realloc(4);\n        this.buf.writeFloatLE(val, this.pos);\n        this.pos += 4;\n    },\n\n    writeDouble: function(val) {\n        this.realloc(8);\n        this.buf.writeDoubleLE(val, this.pos);\n        this.pos += 8;\n    },\n\n    writeBytes: function(buffer) {\n        var len = buffer.length;\n        this.writeVarint(len);\n        this.realloc(len);\n        for (var i = 0; i < len; i++) this.buf[this.pos++] = buffer[i];\n    },\n\n    writeRawMessage: function(fn, obj) {\n        this.pos++; // reserve 1 byte for short message length\n\n        // write the message directly to the buffer and see how much was written\n        var startPos = this.pos;\n        fn(obj, this);\n        var len = this.pos - startPos;\n\n        if (len >= 0x80) reallocForRawMessage(startPos, len, this);\n\n        // finally, write the message length in the reserved place and restore the position\n        this.pos = startPos - 1;\n        this.writeVarint(len);\n        this.pos += len;\n    },\n\n    writeMessage: function(tag, fn, obj) {\n        this.writeTag(tag, Pbf.Bytes);\n        this.writeRawMessage(fn, obj);\n    },\n\n    writePackedVarint:   function(tag, arr) { this.writeMessage(tag, writePackedVarint, arr);   },\n    writePackedSVarint:  function(tag, arr) { this.writeMessage(tag, writePackedSVarint, arr);  },\n    writePackedBoolean:  function(tag, arr) { this.writeMessage(tag, writePackedBoolean, arr);  },\n    writePackedFloat:    function(tag, arr) { this.writeMessage(tag, writePackedFloat, arr);    },\n    writePackedDouble:   function(tag, arr) { this.writeMessage(tag, writePackedDouble, arr);   },\n    writePackedFixed32:  function(tag, arr) { this.writeMessage(tag, writePackedFixed32, arr);  },\n    writePackedSFixed32: function(tag, arr) { this.writeMessage(tag, writePackedSFixed32, arr); },\n    writePackedFixed64:  function(tag, arr) { this.writeMessage(tag, writePackedFixed64, arr);  },\n    writePackedSFixed64: function(tag, arr) { this.writeMessage(tag, writePackedSFixed64, arr); },\n\n    writeBytesField: function(tag, buffer) {\n        this.writeTag(tag, Pbf.Bytes);\n        this.writeBytes(buffer);\n    },\n    writeFixed32Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed32);\n        this.writeFixed32(val);\n    },\n    writeSFixed32Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed32);\n        this.writeSFixed32(val);\n    },\n    writeFixed64Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed64);\n        this.writeFixed64(val);\n    },\n    writeSFixed64Field: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed64);\n        this.writeSFixed64(val);\n    },\n    writeVarintField: function(tag, val) {\n        this.writeTag(tag, Pbf.Varint);\n        this.writeVarint(val);\n    },\n    writeSVarintField: function(tag, val) {\n        this.writeTag(tag, Pbf.Varint);\n        this.writeSVarint(val);\n    },\n    writeStringField: function(tag, str) {\n        this.writeTag(tag, Pbf.Bytes);\n        this.writeString(str);\n    },\n    writeFloatField: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed32);\n        this.writeFloat(val);\n    },\n    writeDoubleField: function(tag, val) {\n        this.writeTag(tag, Pbf.Fixed64);\n        this.writeDouble(val);\n    },\n    writeBooleanField: function(tag, val) {\n        this.writeVarintField(tag, Boolean(val));\n    }\n};\n\nfunction readVarintRemainder(val, pbf) {\n    var buf = pbf.buf, b;\n\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x10000000;         if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x800000000;        if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x40000000000;      if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x2000000000000;    if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x100000000000000;  if (b < 0x80) return val;\n    b = buf[pbf.pos++]; val += (b & 0x7f) * 0x8000000000000000; if (b < 0x80) return val;\n\n    throw new Error('Expected varint not more than 10 bytes');\n}\n\nfunction writeBigVarint(val, pbf) {\n    pbf.realloc(10);\n\n    var maxPos = pbf.pos + 10;\n\n    while (val >= 1) {\n        if (pbf.pos >= maxPos) throw new Error('Given varint doesn\\'t fit into 10 bytes');\n        var b = val & 0xff;\n        pbf.buf[pbf.pos++] = b | (val >= 0x80 ? 0x80 : 0);\n        val /= 0x80;\n    }\n}\n\nfunction reallocForRawMessage(startPos, len, pbf) {\n    var extraLen =\n        len <= 0x3fff ? 1 :\n        len <= 0x1fffff ? 2 :\n        len <= 0xfffffff ? 3 : Math.ceil(Math.log(len) / (Math.LN2 * 7));\n\n    // if 1 byte isn't enough for encoding message length, shift the data to the right\n    pbf.realloc(extraLen);\n    for (var i = pbf.pos - 1; i >= startPos; i--) pbf.buf[i + extraLen] = pbf.buf[i];\n}\n\nfunction writePackedVarint(arr, pbf)   { for (var i = 0; i < arr.length; i++) pbf.writeVarint(arr[i]);   }\nfunction writePackedSVarint(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeSVarint(arr[i]);  }\nfunction writePackedFloat(arr, pbf)    { for (var i = 0; i < arr.length; i++) pbf.writeFloat(arr[i]);    }\nfunction writePackedDouble(arr, pbf)   { for (var i = 0; i < arr.length; i++) pbf.writeDouble(arr[i]);   }\nfunction writePackedBoolean(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeBoolean(arr[i]);  }\nfunction writePackedFixed32(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeFixed32(arr[i]);  }\nfunction writePackedSFixed32(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed32(arr[i]); }\nfunction writePackedFixed64(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeFixed64(arr[i]);  }\nfunction writePackedSFixed64(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed64(arr[i]); }\n","exports.read = function (buffer, offset, isLE, mLen, nBytes) {\n  var e, m\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var nBits = -7\n  var i = isLE ? (nBytes - 1) : 0\n  var d = isLE ? -1 : 1\n  var s = buffer[offset + i]\n\n  i += d\n\n  e = s & ((1 << (-nBits)) - 1)\n  s >>= (-nBits)\n  nBits += eLen\n  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  m = e & ((1 << (-nBits)) - 1)\n  e >>= (-nBits)\n  nBits += mLen\n  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}\n\n  if (e === 0) {\n    e = 1 - eBias\n  } else if (e === eMax) {\n    return m ? NaN : ((s ? -1 : 1) * Infinity)\n  } else {\n    m = m + Math.pow(2, mLen)\n    e = e - eBias\n  }\n  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)\n}\n\nexports.write = function (buffer, value, offset, isLE, mLen, nBytes) {\n  var e, m, c\n  var eLen = nBytes * 8 - mLen - 1\n  var eMax = (1 << eLen) - 1\n  var eBias = eMax >> 1\n  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)\n  var i = isLE ? 0 : (nBytes - 1)\n  var d = isLE ? 1 : -1\n  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0\n\n  value = Math.abs(value)\n\n  if (isNaN(value) || value === Infinity) {\n    m = isNaN(value) ? 1 : 0\n    e = eMax\n  } else {\n    e = Math.floor(Math.log(value) / Math.LN2)\n    if (value * (c = Math.pow(2, -e)) < 1) {\n      e--\n      c *= 2\n    }\n    if (e + eBias >= 1) {\n      value += rt / c\n    } else {\n      value += rt * Math.pow(2, 1 - eBias)\n    }\n    if (value * c >= 2) {\n      e++\n      c /= 2\n    }\n\n    if (e + eBias >= eMax) {\n      m = 0\n      e = eMax\n    } else if (e + eBias >= 1) {\n      m = (value * c - 1) * Math.pow(2, mLen)\n      e = e + eBias\n    } else {\n      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)\n      e = 0\n    }\n  }\n\n  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}\n\n  e = (e << mLen) | m\n  eLen += mLen\n  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}\n\n  buffer[offset + i - d] |= s * 128\n}\n"]}