Class: Array
- Includes:
- Enumerable
- Defined in:
- opal/opal/corelib/array.rb,
opal/opal/corelib/array/pack.rb,
opal/opal/corelib/marshal/write_buffer.rb
Defined Under Namespace
Classes: SampleRandom
Class Method Summary collapse
Instance Method Summary collapse
- #&(other) ⇒ Object
- #*(other) ⇒ Object
- #+(other) ⇒ Object
- #-(other) ⇒ Object
- #<<(object) ⇒ Object
- #<=>(other) ⇒ Object
- #==(other) ⇒ Object
- #[](index, length = undefined) ⇒ Object (also: #slice)
- #[]=(index, value, extra = undefined) ⇒ Object
- #__marshal__(buffer) ⇒ Object
- #any?(pattern = undefined, &block) ⇒ Boolean
- #assoc(object) ⇒ Object
- #at(index) ⇒ Object
- #bsearch(&block) ⇒ Object
- #bsearch_index(&block) ⇒ Object
- #clear ⇒ Object
- #collect(&block) ⇒ Object (also: #map)
- #collect!(&block) ⇒ Object (also: #map!)
- #combination(n) ⇒ Object
- #compact ⇒ Object
- #compact! ⇒ Object
- #concat(*others) ⇒ Object
- #count(object = nil, &block) ⇒ Object
- #cycle(n = nil, &block) ⇒ Object
- #delete(object) ⇒ Object
- #delete_at(index) ⇒ Object
- #delete_if(&block) ⇒ Object
- #dig(idx, *idxs) ⇒ Object
- #drop(number) ⇒ Object
- #dup ⇒ Object
- #each(&block) ⇒ Object
- #each_index(&block) ⇒ Object
- #empty? ⇒ Boolean
- #eql?(other) ⇒ Boolean
- #fetch(index, defaults = undefined, &block) ⇒ Object
- #fill(*args, &block) ⇒ Object
- #first(count = undefined) ⇒ Object
- #flatten(level = undefined) ⇒ Object
- #flatten!(level = undefined) ⇒ Object
- #hash ⇒ Object
- #include?(member) ⇒ Boolean
- #index(object = undefined, &block) ⇒ Object
-
#initialize(size = nil, obj = nil, &block) ⇒ Array
constructor
A new instance of Array.
- #initialize_copy(other) ⇒ Object
- #insert(index, *objects) ⇒ Object
- #inspect ⇒ Object (also: #to_s)
- #instance_variables ⇒ Object
- #join(sep = nil) ⇒ Object
- #keep_if(&block) ⇒ Object
- #last(count = undefined) ⇒ Object
- #length ⇒ Object (also: #size)
- #max(n = undefined, &block) ⇒ Object
- #min(&block) ⇒ Object
- #pack(format) ⇒ Object
- #permutation(num = undefined, &block) ⇒ Object
- #pop(count = undefined) ⇒ Object
- #product(*args, &block) ⇒ Object
- #push(*objects) ⇒ Object (also: #append)
- #rassoc(object) ⇒ Object
- #reject(&block) ⇒ Object
- #reject!(&block) ⇒ Object
- #repeated_combination(n) ⇒ Object
- #repeated_permutation(n) ⇒ Object
- #replace(other) ⇒ Object
- #reverse ⇒ Object
- #reverse! ⇒ Object
- #reverse_each(&block) ⇒ Object
- #rindex(object = undefined, &block) ⇒ Object
- #rotate(n = 1) ⇒ Object
- #rotate!(cnt = 1) ⇒ Object
- #sample(count = undefined, options = undefined) ⇒ Object
- #select(&block) ⇒ Object
- #select!(&block) ⇒ Object
- #shift(count = undefined) ⇒ Object
- #shuffle(rng = undefined) ⇒ Object
- #shuffle!(rng = undefined) ⇒ Object
- #slice!(index, length = undefined) ⇒ Object
- #sort(&block) ⇒ Object
- #sort!(&block) ⇒ Object
- #sort_by!(&block) ⇒ Object
- #take(count) ⇒ Object
- #take_while(&block) ⇒ Object
- #to_a ⇒ Object (also: #to_ary)
- #to_h ⇒ Object
- #transpose ⇒ Object
- #uniq(&block) ⇒ Object
- #uniq!(&block) ⇒ Object
- #unshift(*objects) ⇒ Object (also: #prepend)
- #values_at(*args) ⇒ Object
- #zip(*others, &block) ⇒ Object
- #|(other) ⇒ Object
Methods included from Enumerable
#all?, #chunk, #chunk_while, #collect_concat, #detect, #drop_while, #each_cons, #each_entry, #each_slice, #each_with_index, #each_with_object, #entries, #enumerator_size, #find_all, #find_index, #grep, #grep_v, #group_by, #inject, #lazy, #max_by, #min_by, #minmax, #minmax_by, #none?, #one?, #partition, #slice_after, #slice_before, #slice_when, #sort_by, #sum
Constructor Details
#initialize(size = nil, obj = nil, &block) ⇒ Array
Returns a new instance of Array
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# File 'opal/opal/corelib/array.rb', line 24 def initialize(size = nil, obj = nil, &block) %x{ if (obj !== nil && block !== nil) { #{warn('warning: block supersedes default value argument')} } if (size > #{Integer::MAX}) { #{raise ArgumentError, 'array size too big'} } if (arguments.length > 2) { #{raise ArgumentError, "wrong number of arguments (#{`arguments.length`} for 0..2)"} } if (arguments.length === 0) { self.splice(0, self.length); return self; } if (arguments.length === 1) { if (size.$$is_array) { #{replace(size.to_a)} return self; } else if (#{size.respond_to? :to_ary}) { #{replace(size.to_ary)} return self; } } size = #{Opal.coerce_to size, Integer, :to_int} if (size < 0) { #{raise ArgumentError, 'negative array size'} } self.splice(0, self.length); var i, value; if (block === nil) { for (i = 0; i < size; i++) { self.push(obj); } } else { for (i = 0, value; i < size; i++) { value = block(i); self[i] = value; } } return self; } end |
Class Method Details
.[](*objects) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 20 def self.[](*objects) `toArraySubclass(objects, self)` end |
.inherited(klass) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2335 def self.inherited(klass) %x{ klass.$$prototype.$to_a = function() { return this.slice(0, this.length); } } end |
.try_convert(obj) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 78 def self.try_convert(obj) Opal.coerce_to? obj, Array, :to_ary end |
Instance Method Details
#&(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 82 def &(other) other = if Array === other other.to_a else Opal.coerce_to(other, Array, :to_ary).to_a end %x{ var result = [], hash = #{{}}, i, length, item; for (i = 0, length = other.length; i < length; i++) { Opal.hash_put(hash, other[i], true); } for (i = 0, length = self.length; i < length; i++) { item = self[i]; if (Opal.hash_delete(hash, item) !== undefined) { result.push(item); } } return result; } end |
#*(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 129 def *(other) return join(other.to_str) if other.respond_to? :to_str other = Opal.coerce_to other, Integer, :to_int if `other < 0` raise ArgumentError, 'negative argument' end %x{ var result = [], converted = #{to_a}; for (var i = 0; i < other; i++) { result = result.concat(converted); } return toArraySubclass(result, #{self.class}); } end |
#+(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 150 def +(other) other = if Array === other other.to_a else Opal.coerce_to(other, Array, :to_ary).to_a end `self.concat(other)` end |
#-(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 160 def -(other) other = if Array === other other.to_a else Opal.coerce_to(other, Array, :to_ary).to_a end return [] if `self.length === 0` return `self.slice()` if `other.length === 0` %x{ var result = [], hash = #{{}}, i, length, item; for (i = 0, length = other.length; i < length; i++) { Opal.hash_put(hash, other[i], true); } for (i = 0, length = self.length; i < length; i++) { item = self[i]; if (Opal.hash_get(hash, item) === undefined) { result.push(item); } } return result; } end |
#<<(object) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 188 def <<(object) `self.push(object)` self end |
#<=>(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 194 def <=>(other) if Array === other other = other.to_a elsif other.respond_to? :to_ary other = other.to_ary.to_a else return end %x{ if (#{hash} === #{other.hash}) { return 0; } var count = Math.min(self.length, other.length); for (var i = 0; i < count; i++) { var tmp = #{`self[i]` <=> `other[i]`}; if (tmp !== 0) { return tmp; } } return #{`self.length` <=> `other.length`}; } end |
#==(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 222 def ==(other) %x{ var recursed = {}; function _eqeq(array, other) { var i, length, a, b; if (array === other) return true; if (!other.$$is_array) { if (#{Opal.respond_to? `other`, :to_ary}) { return #{`other` == `array`}; } else { return false; } } if (array.$$constructor !== Array) array = #{`array`.to_a}; if (other.$$constructor !== Array) other = #{`other`.to_a}; if (array.length !== other.length) { return false; } recursed[#{`array`.object_id}] = true; for (i = 0, length = array.length; i < length; i++) { a = array[i]; b = other[i]; if (a.$$is_array) { if (b.$$is_array && b.length !== a.length) { return false; } if (!recursed.hasOwnProperty(#{`a`.object_id})) { if (!_eqeq(a, b)) { return false; } } } else { if (!#{`a` == `b`}) { return false; } } } return true; } return _eqeq(self, other); } end |
#[](index, length = undefined) ⇒ Object Also known as: slice
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# File 'opal/opal/corelib/array.rb', line 348 def [](index, length = undefined) %x{ if (index.$$is_range) { return $array_slice_range(self, index); } else { return $array_slice_index_length(self, index, length); } } end |
#[]=(index, value, extra = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 359 def []=(index, value, extra = undefined) %x{ var i, size = self.length; } if Range === index data = if Array === value value.to_a elsif value.respond_to? :to_ary value.to_ary.to_a else [value] end %x{ var exclude = index.excl, from = #{Opal.coerce_to `index.begin`, Integer, :to_int}, to = #{Opal.coerce_to `index.end`, Integer, :to_int}; if (from < 0) { from += size; if (from < 0) { #{raise RangeError, "#{index.inspect} out of range"}; } } if (to < 0) { to += size; } if (!exclude) { to += 1; } if (from > size) { for (i = size; i < from; i++) { self[i] = nil; } } if (to < 0) { self.splice.apply(self, [from, 0].concat(data)); } else { self.splice.apply(self, [from, to - from].concat(data)); } return value; } else if `extra === undefined` length = 1 else length = value value = extra data = if Array === value value.to_a elsif value.respond_to? :to_ary value.to_ary.to_a else [value] end end %x{ var old; index = #{Opal.coerce_to index, Integer, :to_int}; length = #{Opal.coerce_to length, Integer, :to_int}; if (index < 0) { old = index; index += size; if (index < 0) { #{raise IndexError, "index #{`old`} too small for array; minimum #{`-self.length`}"}; } } if (length < 0) { #{raise IndexError, "negative length (#{length})"} } if (index > size) { for (i = size; i < index; i++) { self[i] = nil; } } if (extra === undefined) { self[index] = value; } else { self.splice.apply(self, [index, length].concat(data)); } return value; } end end |
#__marshal__(buffer) ⇒ Object
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# File 'opal/opal/corelib/marshal/write_buffer.rb', line 49 def __marshal__(buffer) buffer.save_link(self) buffer.write_ivars_prefix(self) buffer.write_extends(self) buffer.write_user_class(Array, self) buffer.append('[') buffer.write_array(self) buffer.write_ivars_suffix(self) end |
#any?(pattern = undefined, &block) ⇒ Boolean
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# File 'opal/opal/corelib/array.rb', line 462 def any?(pattern = undefined, &block) `if (self.length === 0) return false` super end |
#assoc(object) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 467 def assoc(object) %x{ for (var i = 0, length = self.length, item; i < length; i++) { if (item = self[i], item.length && #{`item[0]` == object}) { return item; } } return nil; } end |
#at(index) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 479 def at(index) index = Opal.coerce_to index, Integer, :to_int %x{ if (index < 0) { index += self.length; } if (index < 0 || index >= self.length) { return nil; } return self[index]; } end |
#bsearch(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 534 def bsearch(&block) return enum_for :bsearch unless block_given? index = bsearch_index(&block) %x{ if (index != null && index.$$is_number) { return self[index]; } else { return index; } } end |
#bsearch_index(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 495 def bsearch_index(&block) return enum_for :bsearch_index unless block_given? %x{ var min = 0, max = self.length, mid, val, ret, smaller = false, satisfied = nil; while (min < max) { mid = min + Math.floor((max - min) / 2); val = self[mid]; ret = Opal.yield1(block, val); if (ret === true) { satisfied = mid; smaller = true; } else if (ret === false || ret === nil) { smaller = false; } else if (ret.$$is_number) { if (ret === 0) { return mid; } smaller = (ret < 0); } else { #{raise TypeError, "wrong argument type #{`ret`.class} (must be numeric, true, false or nil)"} } if (smaller) { max = mid; } else { min = mid + 1; } } return satisfied; } end |
#clear ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 591 def clear `self.splice(0, self.length)` self end |
#collect(&block) ⇒ Object Also known as: map
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# File 'opal/opal/corelib/array.rb', line 609 def collect(&block) return enum_for(:collect) { size } unless block_given? %x{ var result = []; for (var i = 0, length = self.length; i < length; i++) { var value = Opal.yield1(block, self[i]); result.push(value); } return result; } end |
#collect!(&block) ⇒ Object Also known as: map!
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# File 'opal/opal/corelib/array.rb', line 624 def collect!(&block) return enum_for(:collect!) { size } unless block_given? %x{ for (var i = 0, length = self.length; i < length; i++) { var value = Opal.yield1(block, self[i]); self[i] = value; } } self end |
#combination(n) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 651 def combination(n) num = Opal.coerce_to! n, Integer, :to_int return enum_for(:combination, num) { `binomial_coefficient(#{self}.length, num)` } unless block_given? %x{ var i, length, stack, chosen, lev, done, next; if (num === 0) { #{yield []} } else if (num === 1) { for (i = 0, length = self.length; i < length; i++) { #{yield `[self[i]]`} } } else if (num === self.length) { #{yield `self.slice()`} } else if (num >= 0 && num < self.length) { stack = []; for (i = 0; i <= num + 1; i++) { stack.push(0); } chosen = []; lev = 0; done = false; stack[0] = -1; while (!done) { chosen[lev] = self[stack[lev+1]]; while (lev < num - 1) { lev++; next = stack[lev+1] = stack[lev] + 1; chosen[lev] = self[next]; } #{ yield `chosen.slice()` } lev++; do { done = (lev === 0); stack[lev]++; lev--; } while ( stack[lev+1] + num === self.length + lev + 1 ); } } } self end |
#compact ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 727 def compact %x{ var result = []; for (var i = 0, length = self.length, item; i < length; i++) { if ((item = self[i]) !== nil) { result.push(item); } } return result; } end |
#compact! ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 741 def compact! %x{ var original = self.length; for (var i = 0, length = self.length; i < length; i++) { if (self[i] === nil) { self.splice(i, 1); length--; i--; } } return self.length === original ? nil : self; } end |
#concat(*others) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 758 def concat(*others) others = others.map do |other| other = if Array === other other.to_a else Opal.coerce_to(other, Array, :to_ary).to_a end if other.equal?(self) other = other.dup end other end others.each do |other| %x{ for (var i = 0, length = other.length; i < length; i++) { self.push(other[i]); } } end self end |
#count(object = nil, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 597 def count(object = nil, &block) if object || block super else size end end |
#cycle(n = nil, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 548 def cycle(n = nil, &block) unless block_given? return enum_for(:cycle, n) do if n.nil? Float::INFINITY else n = Opal.coerce_to!(n, Integer, :to_int) n > 0 ? enumerator_size * n : 0 end end end return if empty? || n == 0 %x{ var i, length, value; if (n === nil) { while (true) { for (i = 0, length = self.length; i < length; i++) { value = Opal.yield1(block, self[i]); } } } else { n = #{Opal.coerce_to!(n, Integer, :to_int)}; if (n <= 0) { return self; } while (n > 0) { for (i = 0, length = self.length; i < length; i++) { value = Opal.yield1(block, self[i]); } n--; } } } self end |
#delete(object) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 784 def delete(object) %x{ var original = self.length; for (var i = 0, length = original; i < length; i++) { if (#{`self[i]` == object}) { self.splice(i, 1); length--; i--; } } if (self.length === original) { if (#{block_given?}) { return #{yield}; } return nil; } return object; } end |
#delete_at(index) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 807 def delete_at(index) %x{ index = #{Opal.coerce_to `index`, Integer, :to_int}; if (index < 0) { index += self.length; } if (index < 0 || index >= self.length) { return nil; } var result = self[index]; self.splice(index, 1); return result; } end |
#delete_if(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 827 def delete_if(&block) return enum_for(:delete_if) { size } unless block_given? %x{ for (var i = 0, length = self.length, value; i < length; i++) { value = block(self[i]); if (value !== false && value !== nil) { self.splice(i, 1); length--; i--; } } } self end |
#dig(idx, *idxs) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 846 def dig(idx, *idxs) item = self[idx] %x{ if (item === nil || idxs.length === 0) { return item; } } unless item.respond_to?(:dig) raise TypeError, "#{item.class} does not have #dig method" end item.dig(*idxs) end |
#drop(number) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 862 def drop(number) %x{ if (number < 0) { #{raise ArgumentError} } return self.slice(number); } end |
#dup ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 872 def dup %x{ if (self.$$class === Opal.Array && self.$$class.$allocate.$$pristine && self.$copy_instance_variables.$$pristine && self.$initialize_dup.$$pristine) { return self.slice(0); } } super end |
#each(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 885 def each(&block) return enum_for(:each) { size } unless block_given? %x{ for (var i = 0, length = self.length; i < length; i++) { var value = Opal.yield1(block, self[i]); } } self end |
#each_index(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 897 def each_index(&block) return enum_for(:each_index) { size } unless block_given? %x{ for (var i = 0, length = self.length; i < length; i++) { var value = Opal.yield1(block, i); } } self end |
#empty? ⇒ Boolean
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# File 'opal/opal/corelib/array.rb', line 909 def empty? `self.length === 0` end |
#eql?(other) ⇒ Boolean
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# File 'opal/opal/corelib/array.rb', line 913 def eql?(other) %x{ var recursed = {}; function _eql(array, other) { var i, length, a, b; if (!other.$$is_array) { return false; } other = #{other.to_a}; if (array.length !== other.length) { return false; } recursed[#{`array`.object_id}] = true; for (i = 0, length = array.length; i < length; i++) { a = array[i]; b = other[i]; if (a.$$is_array) { if (b.$$is_array && b.length !== a.length) { return false; } if (!recursed.hasOwnProperty(#{`a`.object_id})) { if (!_eql(a, b)) { return false; } } } else { if (!#{`a`.eql?(`b`)}) { return false; } } } return true; } return _eql(self, other); } end |
#fetch(index, defaults = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 958 def fetch(index, defaults = undefined, &block) %x{ var original = index; index = #{Opal.coerce_to `index`, Integer, :to_int}; if (index < 0) { index += self.length; } if (index >= 0 && index < self.length) { return self[index]; } if (block !== nil && defaults != null) { #{warn('warning: block supersedes default value argument')} } if (block !== nil) { return block(original); } if (defaults != null) { return defaults; } if (self.length === 0) { #{raise IndexError, "index #{`original`} outside of array bounds: 0...0"} } else { #{raise IndexError, "index #{`original`} outside of array bounds: -#{`self.length`}...#{`self.length`}"}; } } end |
#fill(*args, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 993 def fill(*args, &block) %x{ var i, length, value; } if block if `args.length > 2` raise ArgumentError, "wrong number of arguments (#{args.length} for 0..2)" end one, two = args else if `args.length == 0` raise ArgumentError, 'wrong number of arguments (0 for 1..3)' elsif `args.length > 3` raise ArgumentError, "wrong number of arguments (#{args.length} for 1..3)" end obj, one, two = args end if Range === one raise TypeError, 'length invalid with range' if two left = Opal.coerce_to one.begin, Integer, :to_int `left += this.length` if `left < 0` raise RangeError, "#{one.inspect} out of range" if `left < 0` right = Opal.coerce_to one.end, Integer, :to_int `right += this.length` if `right < 0` `right += 1` unless one.exclude_end? return self if `right <= left` elsif one left = Opal.coerce_to one, Integer, :to_int `left += this.length` if `left < 0` left = 0 if `left < 0` if two right = Opal.coerce_to two, Integer, :to_int return self if `right == 0` `right += left` else right = `this.length` end else left = 0 right = `this.length` end if `left > this.length` %x{ for (i = this.length; i < right; i++) { self[i] = nil; } } end if `right > this.length` `this.length = right` end if block %x{ for (length = this.length; left < right; left++) { value = block(left); self[left] = value; } } else %x{ for (length = this.length; left < right; left++) { self[left] = #{obj}; } } end self end |
#first(count = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1075 def first(count = undefined) %x{ if (count == null) { return self.length === 0 ? nil : self[0]; } count = #{Opal.coerce_to `count`, Integer, :to_int}; if (count < 0) { #{raise ArgumentError, 'negative array size'}; } return self.slice(0, count); } end |
#flatten(level = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1091 def flatten(level = undefined) %x{ function _flatten(array, level) { var result = [], i, length, item, ary; array = #{`array`.to_a}; for (i = 0, length = array.length; i < length; i++) { item = array[i]; if (!#{Opal.respond_to? `item`, :to_ary, true}) { result.push(item); continue; } ary = #{`item`.to_ary}; if (ary === nil) { result.push(item); continue; } if (!ary.$$is_array) { #{raise TypeError}; } if (ary === self) { #{raise ArgumentError}; } switch (level) { case undefined: result = result.concat(_flatten(ary)); break; case 0: result.push(ary); break; default: result.push.apply(result, _flatten(ary, level - 1)); } } return result; } if (level !== undefined) { level = #{Opal.coerce_to(`level`, Integer, :to_int)}; } return toArraySubclass(_flatten(self, level), #{self.class}); } end |
#flatten!(level = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1145 def flatten!(level = undefined) %x{ var flattened = #{flatten level}; if (self.length == flattened.length) { for (var i = 0, length = self.length; i < length; i++) { if (self[i] !== flattened[i]) { break; } } if (i == length) { return nil; } } #{replace `flattened`}; } self end |
#hash ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1167 def hash %x{ var top = (Opal.hash_ids === undefined), result = ['A'], hash_id = self.$object_id(), item, i, key; try { if (top) { Opal.hash_ids = Object.create(null); } // return early for recursive structures if (Opal.hash_ids[hash_id]) { return 'self'; } for (key in Opal.hash_ids) { item = Opal.hash_ids[key]; if (#{eql?(`item`)}) { return 'self'; } } Opal.hash_ids[hash_id] = self; for (i = 0; i < self.length; i++) { item = self[i]; result.push(item.$hash()); } return result.join(','); } finally { if (top) { Opal.hash_ids = undefined; } } } end |
#include?(member) ⇒ Boolean
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# File 'opal/opal/corelib/array.rb', line 1207 def include?(member) %x{ for (var i = 0, length = self.length; i < length; i++) { if (#{`self[i]` == member}) { return true; } } return false; } end |
#index(object = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1219 def index(object = undefined, &block) %x{ var i, length, value; if (object != null && block !== nil) { #{warn('warning: given block not used')} } if (object != null) { for (i = 0, length = self.length; i < length; i++) { if (#{`self[i]` == object}) { return i; } } } else if (block !== nil) { for (i = 0, length = self.length; i < length; i++) { value = block(self[i]); if (value !== false && value !== nil) { return i; } } } else { return #{enum_for :index}; } return nil; } end |
#initialize_copy(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 605 def initialize_copy(other) replace other end |
#insert(index, *objects) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1251 def insert(index, *objects) %x{ index = #{Opal.coerce_to `index`, Integer, :to_int}; if (objects.length > 0) { if (index < 0) { index += self.length + 1; if (index < 0) { #{ raise IndexError, "#{index} is out of bounds" }; } } if (index > self.length) { for (var i = self.length; i < index; i++) { self.push(nil); } } self.splice.apply(self, [index, 0].concat(objects)); } } self end |
#inspect ⇒ Object Also known as: to_s
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# File 'opal/opal/corelib/array.rb', line 1276 def inspect %x{ var result = [], id = #{__id__}; for (var i = 0, length = self.length; i < length; i++) { var item = #{self[`i`]}; if (#{`item`.__id__} === id) { result.push('[...]'); } else { result.push(#{`item`.inspect}); } } return '[' + result.join(', ') + ']'; } end |
#instance_variables ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2343 def instance_variables super.reject { |ivar| `/^@\d+$/.test(#{ivar})` || ivar == '@length' } end |
#join(sep = nil) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1296 def join(sep = nil) return '' if `self.length === 0` if `sep === nil` sep = $, end %x{ var result = []; var i, length, item, tmp; for (i = 0, length = self.length; i < length; i++) { item = self[i]; if (#{Opal.respond_to? `item`, :to_str}) { tmp = #{`item`.to_str}; if (tmp !== nil) { result.push(#{`tmp`.to_s}); continue; } } if (#{Opal.respond_to? `item`, :to_ary}) { tmp = #{`item`.to_ary}; if (tmp === self) { #{raise ArgumentError}; } if (tmp !== nil) { result.push(#{`tmp`.join(sep)}); continue; } } if (#{Opal.respond_to? `item`, :to_s}) { tmp = #{`item`.to_s}; if (tmp !== nil) { result.push(tmp); continue; } } #{raise NoMethodError.new("#{`Opal.inspect(item)`} doesn't respond to #to_str, #to_ary or #to_s", 'to_str')}; } if (sep === nil) { return result.join(''); } else { return result.join(#{Opal.coerce_to!(sep, String, :to_str).to_s}); } } end |
#keep_if(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1356 def keep_if(&block) return enum_for(:keep_if) { size } unless block_given? %x{ for (var i = 0, length = self.length, value; i < length; i++) { value = block(self[i]); if (value === false || value === nil) { self.splice(i, 1); length--; i--; } } } self end |
#last(count = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1375 def last(count = undefined) %x{ if (count == null) { return self.length === 0 ? nil : self[self.length - 1]; } count = #{Opal.coerce_to `count`, Integer, :to_int}; if (count < 0) { #{raise ArgumentError, 'negative array size'}; } if (count > self.length) { count = self.length; } return self.slice(self.length - count, self.length); } end |
#length ⇒ Object Also known as: size
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# File 'opal/opal/corelib/array.rb', line 1395 def length `self.length` end |
#max(n = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1403 def max(n = undefined, &block) each.max(n, &block) end |
#min(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1407 def min(&block) each.min(&block) end |
#pack(format) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2350 def pack(*args) raise "To use Array#pack, you must first require 'corelib/array/pack'." end |
#permutation(num = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1424 def permutation(num = undefined, &block) unless block_given? return enum_for(:permutation, num) do `descending_factorial(self.length, num === undefined ? self.length : num)` end end %x{ var permute, offensive, output; if (num === undefined) { num = self.length; } else { num = #{ Opal.coerce_to num, Integer, :to_int } } if (num < 0 || self.length < num) { // no permutations, yield nothing } else if (num === 0) { // exactly one permutation: the zero-length array #{ yield [] } } else if (num === 1) { // this is a special, easy case for (var i = 0; i < self.length; i++) { #{ yield `[self[i]]` } } } else { // this is the general case #{ perm = Array.new(num) }; #{ used = Array.new(`self.length`, false) }; permute = function(num, perm, index, used, blk) { self = this; for(var i = 0; i < self.length; i++){ if(#{ !used[`i`] }) { perm[index] = i; if(index < num - 1) { used[i] = true; permute.call(self, num, perm, index + 1, used, blk); used[i] = false; } else { output = []; for (var j = 0; j < perm.length; j++) { output.push(self[perm[j]]); } Opal.yield1(blk, output); } } } } if (#{block_given?}) { // offensive (both definitions) copy. offensive = self.slice(); permute.call(offensive, num, perm, 0, used, block); } else { permute.call(self, num, perm, 0, used, block); } } } self end |
#pop(count = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1518 def pop(count = undefined) if `count === undefined` return if `self.length === 0` return `self.pop()` end count = Opal.coerce_to count, Integer, :to_int if `count < 0` raise ArgumentError, 'negative array size' end return [] if `self.length === 0` if `count > self.length` `self.splice(0, self.length)` else `self.splice(self.length - count, self.length)` end end |
#product(*args, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1539 def product(*args, &block) %x{ var result = #{block_given?} ? null : [], n = args.length + 1, counters = new Array(n), lengths = new Array(n), arrays = new Array(n), i, m, subarray, len, resultlen = 1; arrays[0] = self; for (i = 1; i < n; i++) { arrays[i] = #{Opal.coerce_to(`args[i - 1]`, Array, :to_ary)}; } for (i = 0; i < n; i++) { len = arrays[i].length; if (len === 0) { return result || self; } resultlen *= len; if (resultlen > 2147483647) { #{raise RangeError, 'too big to product'} } lengths[i] = len; counters[i] = 0; } outer_loop: for (;;) { subarray = []; for (i = 0; i < n; i++) { subarray.push(arrays[i][counters[i]]); } if (result) { result.push(subarray); } else { #{yield `subarray`} } m = n - 1; counters[m]++; while (counters[m] === lengths[m]) { counters[m] = 0; if (--m < 0) break outer_loop; counters[m]++; } } return result || self; } end |
#push(*objects) ⇒ Object Also known as: append
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# File 'opal/opal/corelib/array.rb', line 1589 def push(*objects) %x{ for (var i = 0, length = objects.length; i < length; i++) { self.push(objects[i]); } } self end |
#rassoc(object) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1601 def rassoc(object) %x{ for (var i = 0, length = self.length, item; i < length; i++) { item = self[i]; if (item.length && item[1] !== undefined) { if (#{`item[1]` == object}) { return item; } } } return nil; } end |
#reject(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1617 def reject(&block) return enum_for(:reject) { size } unless block_given? %x{ var result = []; for (var i = 0, length = self.length, value; i < length; i++) { value = block(self[i]); if (value === false || value === nil) { result.push(self[i]); } } return result; } end |
#reject!(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1634 def reject!(&block) return enum_for(:reject!) { size } unless block_given? original = length delete_if(&block) unless length == original self end end |
#repeated_combination(n) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 699 def repeated_combination(n) num = Opal.coerce_to! n, Integer, :to_int unless block_given? return enum_for(:repeated_combination, num) { `binomial_coefficient(self.length + num - 1, num)` } end %x{ function iterate(max, from, buffer, self) { if (buffer.length == max) { var copy = buffer.slice(); #{yield `copy`} return; } for (var i = from; i < self.length; i++) { buffer.push(self[i]); iterate(max, i, buffer, self); buffer.pop(); } } if (num >= 0) { iterate(num, 0, [], self); } } self end |
#repeated_permutation(n) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1494 def repeated_permutation(n) num = Opal.coerce_to! n, Integer, :to_int return enum_for(:repeated_permutation, num) { num >= 0 ? size**num : 0 } unless block_given? %x{ function iterate(max, buffer, self) { if (buffer.length == max) { var copy = buffer.slice(); #{yield `copy`} return; } for (var i = 0; i < self.length; i++) { buffer.push(self[i]); iterate(max, buffer, self); buffer.pop(); } } iterate(num, [], self.slice()); } self end |
#replace(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1645 def replace(other) other = if Array === other other.to_a else Opal.coerce_to(other, Array, :to_ary).to_a end %x{ self.splice(0, self.length); self.push.apply(self, other); } self end |
#reverse ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1660 def reverse `self.slice(0).reverse()` end |
#reverse! ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1664 def reverse! `self.reverse()` end |
#reverse_each(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1668 def reverse_each(&block) return enum_for(:reverse_each) { size } unless block_given? reverse.each(&block) self end |
#rindex(object = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1675 def rindex(object = undefined, &block) %x{ var i, value; if (object != null && block !== nil) { #{warn('warning: given block not used')} } if (object != null) { for (i = self.length - 1; i >= 0; i--) { if (i >= self.length) { break; } if (#{`self[i]` == `object`}) { return i; } } } else if (block !== nil) { for (i = self.length - 1; i >= 0; i--) { if (i >= self.length) { break; } value = block(self[i]); if (value !== false && value !== nil) { return i; } } } else if (object == null) { return #{enum_for :rindex}; } return nil; } end |
#rotate(n = 1) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1714 def rotate(n = 1) n = Opal.coerce_to n, Integer, :to_int %x{ var ary, idx, firstPart, lastPart; if (self.length === 1) { return self.slice(); } if (self.length === 0) { return []; } ary = self.slice(); idx = n % ary.length; firstPart = ary.slice(idx); lastPart = ary.slice(0, idx); return firstPart.concat(lastPart); } end |
#rotate!(cnt = 1) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1735 def rotate!(cnt = 1) %x{ if (self.length === 0 || self.length === 1) { return self; } } cnt = Opal.coerce_to cnt, Integer, :to_int ary = rotate(cnt) replace ary end |
#sample(count = undefined, options = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1760 def sample(count = undefined, = undefined) return at Kernel.rand(`self.length`) if `count === undefined` if `options === undefined` if (o = Opal.coerce_to? count, Hash, :to_hash) = o count = nil else = nil count = Opal.coerce_to count, Integer, :to_int end else count = Opal.coerce_to count, Integer, :to_int = Opal.coerce_to , Hash, :to_hash end if count && `count < 0` raise ArgumentError, 'count must be greater than 0' end rng = [:random] if rng = if rng && rng.respond_to?(:rand) SampleRandom.new rng else Kernel end return `self[#{rng.rand(`self.length`)}]` unless count %x{ var abandon, spin, result, i, j, k, targetIndex, oldValue; if (count > self.length) { count = self.length; } switch (count) { case 0: return []; break; case 1: return [self[#{rng.rand(`self.length`)}]]; break; case 2: i = #{rng.rand(`self.length`)}; j = #{rng.rand(`self.length`)}; if (i === j) { j = i === 0 ? i + 1 : i - 1; } return [self[i], self[j]]; break; default: if (self.length / count > 3) { abandon = false; spin = 0; result = #{ Array.new(count) }; i = 1; result[0] = #{rng.rand(`self.length`)}; while (i < count) { k = #{rng.rand(`self.length`)}; j = 0; while (j < i) { while (k === result[j]) { spin++; if (spin > 100) { abandon = true; break; } k = #{rng.rand(`self.length`)}; } if (abandon) { break; } j++; } if (abandon) { break; } result[i] = k; i++; } if (!abandon) { i = 0; while (i < count) { result[i] = self[result[i]]; i++; } return result; } } result = self.slice(); for (var c = 0; c < count; c++) { targetIndex = #{rng.rand(`self.length`)}; oldValue = result[c]; result[c] = result[targetIndex]; result[targetIndex] = oldValue; } return count === self.length ? result : #{`result`[0, count]}; } } end |
#select(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1871 def select(&block) return enum_for(:select) { size } unless block_given? %x{ var result = []; for (var i = 0, length = self.length, item, value; i < length; i++) { item = self[i]; value = Opal.yield1(block, item); if (Opal.truthy(value)) { result.push(item); } } return result; } end |
#select!(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1891 def select!(&block) return enum_for(:select!) { size } unless block_given? %x{ var original = self.length; #{ keep_if(&block) }; return self.length === original ? nil : self; } end |
#shift(count = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1901 def shift(count = undefined) if `count === undefined` return if `self.length === 0` return `self.shift()` end count = Opal.coerce_to count, Integer, :to_int if `count < 0` raise ArgumentError, 'negative array size' end return [] if `self.length === 0` `self.splice(0, count)` end |
#shuffle(rng = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1920 def shuffle(rng = undefined) dup.to_a.shuffle!(rng) end |
#shuffle!(rng = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1924 def shuffle!(rng = undefined) %x{ var randgen, i = self.length, j, tmp; if (rng !== undefined) { rng = #{Opal.coerce_to?(rng, Hash, :to_hash)}; if (rng !== nil) { rng = #{rng[:random]}; if (rng !== nil && #{rng.respond_to?(:rand)}) { randgen = rng; } } } while (i) { if (randgen) { j = randgen.$rand(i).$to_int(); if (j < 0) { #{raise RangeError, "random number too small #{`j`}"} } if (j >= i) { #{raise RangeError, "random number too big #{`j`}"} } } else { j = #{rand(`i`)}; } tmp = self[--i]; self[i] = self[j]; self[j] = tmp; } return self; } end |
#slice!(index, length = undefined) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 1967 def slice!(index, length = undefined) result = nil if `length === undefined` if Range === index range = index result = self[range] range_start = Opal.coerce_to(range.begin, Integer, :to_int) range_end = Opal.coerce_to(range.end, Integer, :to_int) %x{ if (range_start < 0) { range_start += self.length; } if (range_end < 0) { range_end += self.length; } else if (range_end >= self.length) { range_end = self.length - 1; if (range.excl) { range_end += 1; } } var range_length = range_end - range_start; if (range.excl) { range_end -= 1; } else { range_length += 1; } if (range_start < self.length && range_start >= 0 && range_end < self.length && range_end >= 0 && range_length > 0) { self.splice(range_start, range_length); } } else start = Opal.coerce_to(index, Integer, :to_int) %x{ if (start < 0) { start += self.length; } if (start < 0 || start >= self.length) { return nil; } result = self[start]; if (start === 0) { self.shift(); } else { self.splice(start, 1); } } end else start = Opal.coerce_to(index, Integer, :to_int) length = Opal.coerce_to(length, Integer, :to_int) %x{ if (length < 0) { return nil; } var end = start + length; result = #{self[start, length]}; if (start < 0) { start += self.length; } if (start + length > self.length) { length = self.length - start; } if (start < self.length && start >= 0) { self.splice(start, length); } } end result end |
#sort(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2052 def sort(&block) return self unless `self.length > 1` %x{ if (block === nil) { block = function(a, b) { return #{`a` <=> `b`}; }; } return self.slice().sort(function(x, y) { var ret = block(x, y); if (ret === nil) { #{raise ArgumentError, "comparison of #{`x`.inspect} with #{`y`.inspect} failed"}; } return #{`ret` > 0} ? 1 : (#{`ret` < 0} ? -1 : 0); }); } end |
#sort!(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2074 def sort!(&block) %x{ var result; if (#{block_given?}) { result = #{`self.slice()`.sort(&block)}; } else { result = #{`self.slice()`.sort}; } self.length = 0; for(var i = 0, length = result.length; i < length; i++) { self.push(result[i]); } return self; } end |
#sort_by!(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2094 def sort_by!(&block) return enum_for(:sort_by!) { size } unless block_given? replace sort_by(&block) end |
#take(count) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2100 def take(count) %x{ if (count < 0) { #{raise ArgumentError}; } return self.slice(0, count); } end |
#take_while(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2110 def take_while(&block) %x{ var result = []; for (var i = 0, length = self.length, item, value; i < length; i++) { item = self[i]; value = block(item); if (value === false || value === nil) { return result; } result.push(item); } return result; } end |
#to_a ⇒ Object Also known as: to_ary
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# File 'opal/opal/corelib/array.rb', line 2130 def to_a self end |
#to_h ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2136 def to_h %x{ var i, len = self.length, ary, key, val, hash = #{{}}; for (i = 0; i < len; i++) { ary = #{Opal.coerce_to?(`self[i]`, Array, :to_ary)}; if (!ary.$$is_array) { #{raise TypeError, "wrong element type #{`ary`.class} at #{`i`} (expected array)"} } if (ary.length !== 2) { #{raise ArgumentError, "wrong array length at #{`i`} (expected 2, was #{`ary`.length})"} } key = ary[0]; val = ary[1]; Opal.hash_put(hash, key, val); } return hash; } end |
#transpose ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2159 def transpose return [] if empty? result = [] max = nil each do |row| row = if Array === row row.to_a else Opal.coerce_to(row, Array, :to_ary).to_a end max ||= `row.length` if `row.length` != max raise IndexError, "element size differs (#{`row.length`} should be #{max})" end `row.length`.times do |i| entry = (result[i] ||= []) entry << row.at(i) end end result end |
#uniq(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2187 def uniq(&block) %x{ var hash = #{{}}, i, length, item, key; if (block === nil) { for (i = 0, length = self.length; i < length; i++) { item = self[i]; if (Opal.hash_get(hash, item) === undefined) { Opal.hash_put(hash, item, item); } } } else { for (i = 0, length = self.length; i < length; i++) { item = self[i]; key = Opal.yield1(block, item); if (Opal.hash_get(hash, key) === undefined) { Opal.hash_put(hash, key, item); } } } return toArraySubclass(#{`hash`.values}, #{self.class}); } end |
#uniq!(&block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2213 def uniq!(&block) %x{ var original_length = self.length, hash = #{{}}, i, length, item, key; for (i = 0, length = original_length; i < length; i++) { item = self[i]; key = (block === nil ? item : Opal.yield1(block, item)); if (Opal.hash_get(hash, key) === undefined) { Opal.hash_put(hash, key, item); continue; } self.splice(i, 1); length--; i--; } return self.length === original_length ? nil : self; } end |
#unshift(*objects) ⇒ Object Also known as: prepend
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# File 'opal/opal/corelib/array.rb', line 2235 def unshift(*objects) %x{ for (var i = objects.length - 1; i >= 0; i--) { self.unshift(objects[i]); } } self end |
#values_at(*args) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2247 def values_at(*args) out = [] args.each do |elem| if elem.is_a? Range finish = Opal.coerce_to elem.last, Integer, :to_int start = Opal.coerce_to elem.first, Integer, :to_int %x{ if (start < 0) { start = start + self.length; #{next}; } } %x{ if (finish < 0) { finish = finish + self.length; } if (#{elem.exclude_end?}) { finish--; } if (finish < start) { #{next}; } } start.upto(finish) { |i| out << at(i) } else i = Opal.coerce_to elem, Integer, :to_int out << at(i) end end out end |
#zip(*others, &block) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 2284 def zip(*others, &block) %x{ var result = [], size = self.length, part, o, i, j, jj; for (j = 0, jj = others.length; j < jj; j++) { o = others[j]; if (o.$$is_array) { continue; } if (o.$$is_enumerator) { if (o.$size() === Infinity) { others[j] = o.$take(size); } else { others[j] = o.$to_a(); } continue; } others[j] = #{( Opal.coerce_to?(`o`, Array, :to_ary) || Opal.coerce_to!(`o`, Enumerator, :each) ).to_a}; } for (i = 0; i < size; i++) { part = [self[i]]; for (j = 0, jj = others.length; j < jj; j++) { o = others[j][i]; if (o == null) { o = nil; } part[j + 1] = o; } result[i] = part; } if (block !== nil) { for (i = 0; i < size; i++) { block(result[i]); } return nil; } return result; } end |
#|(other) ⇒ Object
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# File 'opal/opal/corelib/array.rb', line 107 def |(other) other = if Array === other other.to_a else Opal.coerce_to(other, Array, :to_ary).to_a end %x{ var hash = #{{}}, i, length, item; for (i = 0, length = self.length; i < length; i++) { Opal.hash_put(hash, self[i], true); } for (i = 0, length = other.length; i < length; i++) { Opal.hash_put(hash, other[i], true); } return hash.$keys(); } end |