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1 | (function() { | |
2 | var isEqual, isPlainObject, macModifierKeyMap, nonMacModifierKeyMap, plus, shiftKeyMap, splitKeyPath, _, | |
3 | __slice = [].slice; | |
4 | ||
5 | _ = require('underscore'); | |
6 | ||
7 | macModifierKeyMap = { | |
8 | cmd: '\u2318', | |
9 | ctrl: '\u2303', | |
10 | alt: '\u2325', | |
11 | option: '\u2325', | |
12 | shift: '\u21e7', | |
13 | enter: '\u23ce', | |
14 | left: '\u2190', | |
15 | right: '\u2192', | |
16 | up: '\u2191', | |
17 | down: '\u2193' | |
18 | }; | |
19 | ||
20 | nonMacModifierKeyMap = { | |
21 | cmd: 'Cmd', | |
22 | ctrl: 'Ctrl', | |
23 | alt: 'Alt', | |
24 | option: 'Alt', | |
25 | shift: 'Shift', | |
26 | enter: 'Enter', | |
27 | left: 'Left', | |
28 | right: 'Right', | |
29 | up: 'Up', | |
30 | down: 'Down' | |
31 | }; | |
32 | ||
33 | shiftKeyMap = { | |
34 | '~': '`', | |
35 | '_': '-', | |
36 | '+': '=', | |
37 | '|': '\\', | |
38 | '{': '[', | |
39 | '}': ']', | |
40 | ':': ';', | |
41 | '"': '\'', | |
42 | '<': ',', | |
43 | '>': '.', | |
44 | '?': '/' | |
45 | }; | |
46 | ||
47 | splitKeyPath = function(keyPath) { | |
48 | var char, i, keyPathArray, startIndex, _i, _len; | |
49 | startIndex = 0; | |
50 | keyPathArray = []; | |
51 | if (keyPath == null) { | |
52 | return keyPathArray; | |
53 | } | |
54 | for (i = _i = 0, _len = keyPath.length; _i < _len; i = ++_i) { | |
55 | char = keyPath[i]; | |
56 | if (char === '.' && (i === 0 || keyPath[i - 1] !== '\\')) { | |
57 | keyPathArray.push(keyPath.substring(startIndex, i)); | |
58 | startIndex = i + 1; | |
59 | } | |
60 | } | |
61 | keyPathArray.push(keyPath.substr(startIndex, keyPath.length)); | |
62 | return keyPathArray; | |
63 | }; | |
64 | ||
65 | isPlainObject = function(value) { | |
66 | return _.isObject(value) && !_.isArray(value); | |
67 | }; | |
68 | ||
69 | plus = { | |
70 | adviseBefore: function(object, methodName, advice) { | |
71 | var original; | |
72 | original = object[methodName]; | |
73 | return object[methodName] = function() { | |
74 | var args; | |
75 | args = 1 <= arguments.length ? __slice.call(arguments, 0) : []; | |
76 | if (advice.apply(this, args) !== false) { | |
77 | return original.apply(this, args); | |
78 | } | |
79 | }; | |
80 | }, | |
81 | camelize: function(string) { | |
82 | if (string) { | |
83 | return string.replace(/[_-]+(\w)/g, function(m) { | |
84 | return m[1].toUpperCase(); | |
85 | }); | |
86 | } else { | |
87 | return ''; | |
88 | } | |
89 | }, | |
90 | capitalize: function(word) { | |
91 | if (!word) { | |
92 | return ''; | |
93 | } | |
94 | if (word.toLowerCase() === 'github') { | |
95 | return 'GitHub'; | |
96 | } else { | |
97 | return word[0].toUpperCase() + word.slice(1); | |
98 | } | |
99 | }, | |
100 | compactObject: function(object) { | |
101 | var key, newObject, value; | |
102 | newObject = {}; | |
103 | for (key in object) { | |
104 | value = object[key]; | |
105 | if (value != null) { | |
106 | newObject[key] = value; | |
107 | } | |
108 | } | |
109 | return newObject; | |
110 | }, | |
111 | dasherize: function(string) { | |
112 | if (!string) { | |
113 | return ''; | |
114 | } | |
115 | string = string[0].toLowerCase() + string.slice(1); | |
116 | return string.replace(/([A-Z])|(_)/g, function(m, letter) { | |
117 | if (letter) { | |
118 | return "-" + letter.toLowerCase(); | |
119 | } else { | |
120 | return "-"; | |
121 | } | |
122 | }); | |
123 | }, | |
124 | deepClone: function(object) { | |
125 | if (_.isArray(object)) { | |
126 | return object.map(function(value) { | |
127 | return plus.deepClone(value); | |
128 | }); | |
129 | } else if (_.isObject(object) && !_.isFunction(object)) { | |
130 | return plus.mapObject(object, (function(_this) { | |
131 | return function(key, value) { | |
132 | return [key, plus.deepClone(value)]; | |
133 | }; | |
134 | })(this)); | |
135 | } else { | |
136 | return object; | |
137 | } | |
138 | }, | |
139 | deepExtend: function(target) { | |
140 | var i, key, object, result, _i, _len, _ref; | |
141 | result = target; | |
142 | i = 0; | |
143 | while (++i < arguments.length) { | |
144 | object = arguments[i]; | |
145 | if (isPlainObject(result) && isPlainObject(object)) { | |
146 | _ref = Object.keys(object); | |
147 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { | |
148 | key = _ref[_i]; | |
149 | result[key] = plus.deepExtend(result[key], object[key]); | |
150 | } | |
151 | } else { | |
152 | result = plus.deepClone(object); | |
153 | } | |
154 | } | |
155 | return result; | |
156 | }, | |
157 | deepContains: function(array, target) { | |
158 | var object, _i, _len; | |
159 | if (array == null) { | |
160 | return false; | |
161 | } | |
162 | for (_i = 0, _len = array.length; _i < _len; _i++) { | |
163 | object = array[_i]; | |
164 | if (_.isEqual(object, target)) { | |
165 | return true; | |
166 | } | |
167 | } | |
168 | return false; | |
169 | }, | |
170 | endsWith: function(string, suffix) { | |
171 | if (suffix == null) { | |
172 | suffix = ''; | |
173 | } | |
174 | if (string) { | |
175 | return string.indexOf(suffix, string.length - suffix.length) !== -1; | |
176 | } else { | |
177 | return false; | |
178 | } | |
179 | }, | |
180 | escapeAttribute: function(string) { | |
181 | if (string) { | |
182 | return string.replace(/"/g, '"').replace(/\n/g, '').replace(/\\/g, '-'); | |
183 | } else { | |
184 | return ''; | |
185 | } | |
186 | }, | |
187 | escapeRegExp: function(string) { | |
188 | if (string) { | |
189 | return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'); | |
190 | } else { | |
191 | return ''; | |
192 | } | |
193 | }, | |
194 | humanizeEventName: function(eventName, eventDoc) { | |
195 | var event, namespace, namespaceDoc, _ref; | |
196 | _ref = eventName.split(':'), namespace = _ref[0], event = _ref[1]; | |
197 | if (event == null) { | |
198 | return plus.undasherize(namespace); | |
199 | } | |
200 | namespaceDoc = plus.undasherize(namespace); | |
201 | if (eventDoc == null) { | |
202 | eventDoc = plus.undasherize(event); | |
203 | } | |
204 | return "" + namespaceDoc + ": " + eventDoc; | |
205 | }, | |
206 | humanizeKey: function(key, platform) { | |
207 | var modifierKeyMap; | |
208 | if (platform == null) { | |
209 | platform = process.platform; | |
210 | } | |
211 | if (!key) { | |
212 | return key; | |
213 | } | |
214 | modifierKeyMap = platform === 'darwin' ? macModifierKeyMap : nonMacModifierKeyMap; | |
215 | if (modifierKeyMap[key]) { | |
216 | return modifierKeyMap[key]; | |
217 | } else if (key.length === 1 && (shiftKeyMap[key] != null)) { | |
218 | return [modifierKeyMap.shift, shiftKeyMap[key]]; | |
219 | } else if (key.length === 1 && key === key.toUpperCase() && key.toUpperCase() !== key.toLowerCase()) { | |
220 | return [modifierKeyMap.shift, key.toUpperCase()]; | |
221 | } else if (key.length === 1 || /f[0-9]{1,2}/.test(key)) { | |
222 | return key.toUpperCase(); | |
223 | } else { | |
224 | if (platform === 'darwin') { | |
225 | return key; | |
226 | } else { | |
227 | return plus.capitalize(key); | |
228 | } | |
229 | } | |
230 | }, | |
231 | humanizeKeystroke: function(keystroke, platform) { | |
232 | var humanizedKeystrokes, index, key, keys, keystrokes, splitKeystroke, _i, _j, _len, _len1; | |
233 | if (platform == null) { | |
234 | platform = process.platform; | |
235 | } | |
236 | if (!keystroke) { | |
237 | return keystroke; | |
238 | } | |
239 | keystrokes = keystroke.split(' '); | |
240 | humanizedKeystrokes = []; | |
241 | for (_i = 0, _len = keystrokes.length; _i < _len; _i++) { | |
242 | keystroke = keystrokes[_i]; | |
243 | keys = []; | |
244 | splitKeystroke = keystroke.split('-'); | |
245 | for (index = _j = 0, _len1 = splitKeystroke.length; _j < _len1; index = ++_j) { | |
246 | key = splitKeystroke[index]; | |
247 | if (key === '' && splitKeystroke[index - 1] === '') { | |
248 | key = '-'; | |
249 | } | |
250 | if (key) { | |
251 | keys.push(plus.humanizeKey(key, platform)); | |
252 | } | |
253 | } | |
254 | keys = _.uniq(_.flatten(keys)); | |
255 | if (platform === 'darwin') { | |
256 | keys = keys.join(''); | |
257 | } else { | |
258 | keys = keys.join('+'); | |
259 | } | |
260 | humanizedKeystrokes.push(keys); | |
261 | } | |
262 | return humanizedKeystrokes.join(' '); | |
263 | }, | |
264 | isSubset: function(potentialSubset, potentialSuperset) { | |
265 | return _.every(potentialSubset, function(element) { | |
266 | return _.include(potentialSuperset, element); | |
267 | }); | |
268 | }, | |
269 | losslessInvert: function(hash) { | |
270 | var inverted, key, value; | |
271 | inverted = {}; | |
272 | for (key in hash) { | |
273 | value = hash[key]; | |
274 | if (inverted[value] == null) { | |
275 | inverted[value] = []; | |
276 | } | |
277 | inverted[value].push(key); | |
278 | } | |
279 | return inverted; | |
280 | }, | |
281 | mapObject: function(object, iterator) { | |
282 | var key, newObject, value, _i, _len, _ref, _ref1; | |
283 | newObject = {}; | |
284 | _ref = Object.keys(object); | |
285 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { | |
286 | key = _ref[_i]; | |
287 | _ref1 = iterator(key, object[key]), key = _ref1[0], value = _ref1[1]; | |
288 | newObject[key] = value; | |
289 | } | |
290 | return newObject; | |
291 | }, | |
292 | multiplyString: function(string, n) { | |
293 | var finalString, i; | |
294 | finalString = ""; | |
295 | i = 0; | |
296 | while (i < n) { | |
297 | finalString += string; | |
298 | i++; | |
299 | } | |
300 | return finalString; | |
301 | }, | |
302 | pluralize: function(count, singular, plural) { | |
303 | if (count == null) { | |
304 | count = 0; | |
305 | } | |
306 | if (plural == null) { | |
307 | plural = singular + 's'; | |
308 | } | |
309 | if (count === 1) { | |
310 | return "" + count + " " + singular; | |
311 | } else { | |
312 | return "" + count + " " + plural; | |
313 | } | |
314 | }, | |
315 | remove: function(array, element) { | |
316 | var index; | |
317 | index = array.indexOf(element); | |
318 | if (index >= 0) { | |
319 | array.splice(index, 1); | |
320 | } | |
321 | return array; | |
322 | }, | |
323 | setValueForKeyPath: function(object, keyPath, value) { | |
324 | var key, keys; | |
325 | keys = splitKeyPath(keyPath); | |
326 | while (keys.length > 1) { | |
327 | key = keys.shift(); | |
328 | if (object[key] == null) { | |
329 | object[key] = {}; | |
330 | } | |
331 | object = object[key]; | |
332 | } | |
333 | if (value != null) { | |
334 | return object[keys.shift()] = value; | |
335 | } else { | |
336 | return delete object[keys.shift()]; | |
337 | } | |
338 | }, | |
339 | hasKeyPath: function(object, keyPath) { | |
340 | var key, keys, _i, _len; | |
341 | keys = splitKeyPath(keyPath); | |
342 | for (_i = 0, _len = keys.length; _i < _len; _i++) { | |
343 | key = keys[_i]; | |
344 | if (!object.hasOwnProperty(key)) { | |
345 | return false; | |
346 | } | |
347 | object = object[key]; | |
348 | } | |
349 | return true; | |
350 | }, | |
351 | spliceWithArray: function(originalArray, start, length, insertedArray, chunkSize) { | |
352 | var chunkStart, _i, _ref, _results; | |
353 | if (chunkSize == null) { | |
354 | chunkSize = 100000; | |
355 | } | |
356 | if (insertedArray.length < chunkSize) { | |
357 | return originalArray.splice.apply(originalArray, [start, length].concat(__slice.call(insertedArray))); | |
358 | } else { | |
359 | originalArray.splice(start, length); | |
360 | _results = []; | |
361 | for (chunkStart = _i = 0, _ref = insertedArray.length; chunkSize > 0 ? _i <= _ref : _i >= _ref; chunkStart = _i += chunkSize) { | |
362 | _results.push(originalArray.splice.apply(originalArray, [start + chunkStart, 0].concat(__slice.call(insertedArray.slice(chunkStart, chunkStart + chunkSize))))); | |
363 | } | |
364 | return _results; | |
365 | } | |
366 | }, | |
367 | sum: function(array) { | |
368 | var elt, sum, _i, _len; | |
369 | sum = 0; | |
370 | for (_i = 0, _len = array.length; _i < _len; _i++) { | |
371 | elt = array[_i]; | |
372 | sum += elt; | |
373 | } | |
374 | return sum; | |
375 | }, | |
376 | uncamelcase: function(string) { | |
377 | var result; | |
378 | if (!string) { | |
379 | return ''; | |
380 | } | |
381 | result = string.replace(/([A-Z])|_+/g, function(match, letter) { | |
382 | if (letter == null) { | |
383 | letter = ''; | |
384 | } | |
385 | return " " + letter; | |
386 | }); | |
387 | return plus.capitalize(result.trim()); | |
388 | }, | |
389 | undasherize: function(string) { | |
390 | if (string) { | |
391 | return string.split('-').map(plus.capitalize).join(' '); | |
392 | } else { | |
393 | return ''; | |
394 | } | |
395 | }, | |
396 | underscore: function(string) { | |
397 | if (!string) { | |
398 | return ''; | |
399 | } | |
400 | string = string[0].toLowerCase() + string.slice(1); | |
401 | return string.replace(/([A-Z])|-+/g, function(match, letter) { | |
402 | if (letter == null) { | |
403 | letter = ''; | |
404 | } | |
405 | return "_" + (letter.toLowerCase()); | |
406 | }); | |
407 | }, | |
408 | valueForKeyPath: function(object, keyPath) { | |
409 | var key, keys, _i, _len; | |
410 | keys = splitKeyPath(keyPath); | |
411 | for (_i = 0, _len = keys.length; _i < _len; _i++) { | |
412 | key = keys[_i]; | |
413 | object = object[key]; | |
414 | if (object == null) { | |
415 | return; | |
416 | } | |
417 | } | |
418 | return object; | |
419 | }, | |
420 | isEqual: function(a, b, aStack, bStack) { | |
421 | if (_.isArray(aStack) && _.isArray(bStack)) { | |
422 | return isEqual(a, b, aStack, bStack); | |
423 | } else { | |
424 | return isEqual(a, b); | |
425 | } | |
426 | }, | |
427 | isEqualForProperties: function() { | |
428 | var a, b, properties, property, _i, _len; | |
429 | a = arguments[0], b = arguments[1], properties = 3 <= arguments.length ? __slice.call(arguments, 2) : []; | |
430 | for (_i = 0, _len = properties.length; _i < _len; _i++) { | |
431 | property = properties[_i]; | |
432 | if (!_.isEqual(a[property], b[property])) { | |
433 | return false; | |
434 | } | |
435 | } | |
436 | return true; | |
437 | } | |
438 | }; | |
439 | ||
440 | isEqual = function(a, b, aStack, bStack) { | |
441 | var aCtor, aCtorValid, aElement, aKeyCount, aValue, bCtor, bCtorValid, bKeyCount, bValue, equal, i, key, stackIndex, _i, _len; | |
442 | if (aStack == null) { | |
443 | aStack = []; | |
444 | } | |
445 | if (bStack == null) { | |
446 | bStack = []; | |
447 | } | |
448 | if (a === b) { | |
449 | return _.isEqual(a, b); | |
450 | } | |
451 | if (_.isFunction(a) || _.isFunction(b)) { | |
452 | return _.isEqual(a, b); | |
453 | } | |
454 | stackIndex = aStack.length; | |
455 | while (stackIndex--) { | |
456 | if (aStack[stackIndex] === a) { | |
457 | return bStack[stackIndex] === b; | |
458 | } | |
459 | } | |
460 | aStack.push(a); | |
461 | bStack.push(b); | |
462 | equal = false; | |
463 | if (_.isFunction(a != null ? a.isEqual : void 0)) { | |
464 | equal = a.isEqual(b, aStack, bStack); | |
465 | } else if (_.isFunction(b != null ? b.isEqual : void 0)) { | |
466 | equal = b.isEqual(a, bStack, aStack); | |
467 | } else if (_.isArray(a) && _.isArray(b) && a.length === b.length) { | |
468 | equal = true; | |
469 | for (i = _i = 0, _len = a.length; _i < _len; i = ++_i) { | |
470 | aElement = a[i]; | |
471 | if (!isEqual(aElement, b[i], aStack, bStack)) { | |
472 | equal = false; | |
473 | break; | |
474 | } | |
475 | } | |
476 | } else if (_.isRegExp(a) && _.isRegExp(b)) { | |
477 | equal = _.isEqual(a, b); | |
478 | } else if (_.isElement(a) && _.isElement(b)) { | |
479 | equal = a === b; | |
480 | } else if (_.isObject(a) && _.isObject(b)) { | |
481 | aCtor = a.constructor; | |
482 | bCtor = b.constructor; | |
483 | aCtorValid = _.isFunction(aCtor) && aCtor instanceof aCtor; | |
484 | bCtorValid = _.isFunction(bCtor) && bCtor instanceof bCtor; | |
485 | if (aCtor !== bCtor && !(aCtorValid && bCtorValid)) { | |
486 | equal = false; | |
487 | } else { | |
488 | aKeyCount = 0; | |
489 | equal = true; | |
490 | for (key in a) { | |
491 | aValue = a[key]; | |
492 | if (!_.has(a, key)) { | |
493 | continue; | |
494 | } | |
495 | aKeyCount++; | |
496 | if (!(_.has(b, key) && isEqual(aValue, b[key], aStack, bStack))) { | |
497 | equal = false; | |
498 | break; | |
499 | } | |
500 | } | |
501 | if (equal) { | |
502 | bKeyCount = 0; | |
503 | for (key in b) { | |
504 | bValue = b[key]; | |
505 | if (_.has(b, key)) { | |
506 | bKeyCount++; | |
507 | } | |
508 | } | |
509 | equal = aKeyCount === bKeyCount; | |
510 | } | |
511 | } | |
512 | } else { | |
513 | equal = _.isEqual(a, b); | |
514 | } | |
515 | aStack.pop(); | |
516 | bStack.pop(); | |
517 | return equal; | |
518 | }; | |
519 | ||
520 | module.exports = _.extend({}, _, plus); | |
521 | ||
522 | }).call(this); |