Class: Hash
- Inherits:
-
Object
show all
- Includes:
- Enumerable
- Defined in:
- opal/opal/corelib/hash.rb,
opal/opal/corelib/marshal/write_buffer.rb,
opal/opal/corelib/pattern_matching/base.rb
Overview
Internal properties:
- $$keys [Map] optional Map of key arrays, used when objects are used as keys
- $$proc [Proc,null,nil] the default proc used for missing keys
- key-array [JS::Map] an element of a array that holds objects used as keys,
{ key_hash => [objects...] }
Class Method Summary
collapse
Instance Method Summary
collapse
-
#<(other) ⇒ Object
-
#<=(other) ⇒ Object
-
#==(other) ⇒ Object
(also: #eql?)
-
#>(other) ⇒ Object
-
#>=(other) ⇒ Object
-
#[](key) ⇒ Object
-
#[]=(key, value) ⇒ Object
(also: #store)
-
#__marshal__(buffer) ⇒ Object
-
#assoc(object) ⇒ Object
-
#clear ⇒ Object
-
#clone ⇒ Object
(also: #dup)
-
#compact ⇒ Object
-
#compact! ⇒ Object
-
#compare_by_identity ⇒ Object
-
#compare_by_identity? ⇒ Boolean
-
#deconstruct_keys(_) ⇒ Object
-
#default(key = undefined) ⇒ Object
-
#default=(object) ⇒ Object
-
#default_proc ⇒ Object
-
#default_proc=(default_proc) ⇒ Object
-
#delete(key, &block) ⇒ Object
-
#delete_if(&block) ⇒ Object
-
#dig(key, *keys) ⇒ Object
-
#each(&block) ⇒ Object
(also: #each_pair)
-
#each_key(&block) ⇒ Object
-
#each_value(&block) ⇒ Object
-
#empty? ⇒ Boolean
-
#except(*keys) ⇒ Object
-
#except!(*keys) ⇒ Object
-
#fetch(key, defaults = undefined, &block) ⇒ Object
-
#fetch_values(*keys, &block) ⇒ Object
-
#flatten(level = 1) ⇒ Object
-
#freeze ⇒ Object
-
#has_key?(key) ⇒ Boolean
(also: #include?, #key?, #member?)
-
#has_value?(value) ⇒ Boolean
(also: #value?)
-
#hash ⇒ Object
-
#index(object) ⇒ Object
(also: #key)
-
#indexes(*args) ⇒ Object
(also: #indices, #values_at)
-
#initialize(defaults = undefined, &block) ⇒ Hash
constructor
-
#inspect ⇒ Object
(also: #to_s)
-
#invert ⇒ Object
-
#keep_if(&block) ⇒ Object
-
#keys ⇒ Object
-
#length ⇒ Object
(also: #size)
-
#merge(*others, &block) ⇒ Object
-
#merge!(*others, &block) ⇒ Object
(also: #update)
-
#rassoc(object) ⇒ Object
-
#rehash ⇒ Object
-
#reject(&block) ⇒ Object
-
#reject!(&block) ⇒ Object
-
#replace(other) ⇒ Object
-
#select(&block) ⇒ Object
(also: #filter)
-
#select!(&block) ⇒ Object
(also: #filter!)
-
#shift ⇒ Object
-
#slice(*keys) ⇒ Object
-
#to_a ⇒ Object
-
#to_h(&block) ⇒ Object
-
#to_hash ⇒ Object
-
#to_proc ⇒ Object
-
#transform_keys(keys_hash = nil, &block) ⇒ Object
-
#transform_keys!(keys_hash = nil, &block) ⇒ Object
-
#transform_values(&block) ⇒ Object
-
#transform_values!(&block) ⇒ Object
-
#values ⇒ Object
Methods included from Enumerable
#all?, #any?, #chunk, #chunk_while, #collect, #collect_concat, #count, #cycle, #detect, #drop, #drop_while, #each_cons, #each_entry, #each_slice, #each_with_index, #each_with_object, #entries, #enumerator_size, #filter_map, #find_all, #find_index, #first, #grep, #grep_v, #group_by, #inject, #lazy, #max, #max_by, #min, #min_by, #minmax, #minmax_by, #none?, #one?, #partition, #reverse_each, #slice_after, #slice_before, #slice_when, #sort, #sort_by, #sum, #take, #take_while, #tally, #to_set, #uniq, #zip
Constructor Details
#initialize(defaults = undefined, &block) ⇒ Hash
Returns a new instance of Hash.
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# File 'opal/opal/corelib/hash.rb', line 81
def initialize(defaults = undefined, &block)
%x{
$deny_frozen_access(self);
if (defaults !== undefined && block !== nil) {
#{::Kernel.raise ::ArgumentError, 'wrong number of arguments (1 for 0)'}
}
self.$$none = (defaults === undefined ? nil : defaults);
self.$$proc = block;
return self;
}
end
|
Class Method Details
.[](*argv) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 18
def self.[](*argv)
%x{
var hash, argc = argv.length, arg, i;
if (argc === 1) {
hash = #{::Opal.coerce_to?(argv[0], ::Hash, :to_hash)};
if (hash !== nil) {
return #{allocate.merge!(`hash`)};
}
argv = #{::Opal.coerce_to?(argv[0], ::Array, :to_ary)};
if (argv === nil) {
#{::Kernel.raise ::ArgumentError, 'odd number of arguments for Hash'};
}
argc = argv.length;
hash = #{allocate};
for (i = 0; i < argc; i++) {
arg = argv[i];
if (!arg.$$is_array)
#{::Kernel.raise ::ArgumentError, "invalid element #{`arg`.inspect} for Hash"};
if (arg.length === 1) {
hash.$store(arg[0], nil);
} else if (arg.length === 2) {
hash.$store(arg[0], arg[1]);
} else {
#{::Kernel.raise ::ArgumentError, "invalid number of elements (#{`arg.length`} for #{`arg`.inspect}), must be 1..2"};
}
}
return hash;
}
if (argc % 2 !== 0) {
#{::Kernel.raise ::ArgumentError, 'odd number of arguments for Hash'}
}
hash = #{allocate};
for (i = 0; i < argc; i += 2) {
hash.$store(argv[i], argv[i + 1]);
}
return hash;
}
end
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# File 'opal/opal/corelib/hash.rb', line 66
def self.allocate
%x{
var hash = new self.$$constructor();
hash.$$none = nil;
hash.$$proc = nil;
return hash;
}
end
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.try_convert(obj) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 77
def self.try_convert(obj)
::Opal.coerce_to?(obj, ::Hash, :to_hash)
end
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Instance Method Details
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# File 'opal/opal/corelib/hash.rb', line 156
def <(other)
other = ::Opal.coerce_to!(other, ::Hash, :to_hash)
other > self
end
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#<=(other) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 161
def <=(other)
other = ::Opal.coerce_to!(other, ::Hash, :to_hash)
other >= self
end
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#==(other) ⇒ Object
Also known as:
eql?
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# File 'opal/opal/corelib/hash.rb', line 95
def ==(other)
%x{
if (self === other) {
return true;
}
if (!other.$$is_hash) {
return false;
}
if (self.size !== other.size) {
return false;
}
return $hash_each(self, true, function(key, value) {
var other_value = $hash_get(other, key);
if (other_value === undefined || !value['$eql?'](other_value)) {
return [true, false];
}
return [false, true];
});
}
end
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# File 'opal/opal/corelib/hash.rb', line 144
def >(other)
other = ::Opal.coerce_to!(other, ::Hash, :to_hash)
%x{
if (self.size <= other.size) {
return false;
}
}
self >= other
end
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#>=(other) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 119
def >=(other)
other = ::Opal.coerce_to!(other, ::Hash, :to_hash)
%x{
if (self.size < other.size) {
return false;
}
}
result = true
other.each do |other_key, other_val|
val = fetch(other_key, `null`)
%x{
if (val == null || val !== other_val) {
result = false;
return;
}
}
end
result
end
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# File 'opal/opal/corelib/hash.rb', line 166
def [](key)
%x{
var value = $hash_get(self, key);
if (value !== undefined) {
return value;
}
return self.$default(key);
}
end
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#[]=(key, value) ⇒ Object
Also known as:
store
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# File 'opal/opal/corelib/hash.rb', line 178
def []=(key, value)
%x{
$deny_frozen_access(self);
$hash_put(self, key, value);
return value;
}
end
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#__marshal__(buffer) ⇒ Object
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# File 'opal/opal/corelib/marshal/write_buffer.rb', line 63
def __marshal__(buffer)
if default_proc
::Kernel.raise ::TypeError, "can't dump hash with default proc"
end
buffer.save_link(self)
buffer.write_ivars_prefix(self)
buffer.write_extends(self)
buffer.write_user_class(Hash, self)
if default
buffer.append('}')
buffer.write_hash(self)
buffer.write(default)
else
buffer.append('{')
buffer.write_hash(self)
end
buffer.write_ivars_suffix(self)
end
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#assoc(object) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 187
def assoc(object)
%x{
return $hash_each(self, nil, function(key, value) {
if (#{`key` == object}) {
return [true, [key, value]];
}
return [false, nil];
});
}
end
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# File 'opal/opal/corelib/hash.rb', line 198
def clear
%x{
$deny_frozen_access(self);
self.clear();
if (self.$$keys)
self.$$keys.clear();
return self;
}
end
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#clone ⇒ Object
Also known as:
dup
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# File 'opal/opal/corelib/hash.rb', line 210
def clone
%x{
var hash = self.$class().$new();
return $hash_clone(self, hash);
}
end
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# File 'opal/opal/corelib/hash.rb', line 217
def compact
%x{
var hash = new Map();
return $hash_each(self, hash, function(key, value) {
if (value !== nil) {
$hash_put(hash, key, value);
}
return [false, hash];
});
}
end
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# File 'opal/opal/corelib/hash.rb', line 230
def compact!
%x{
$deny_frozen_access(self);
var result = nil;
return $hash_each(self, result, function(key, value) {
if (value === nil) {
$hash_delete(self, key);
result = self;
}
return [false, result];
});
}
end
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#compare_by_identity ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 246
def compare_by_identity
%x{
$deny_frozen_access(self);
if (!self.$$by_identity) {
self.$$by_identity = true;
if (self.size !== 0)
Opal.hash_rehash(self);
}
return self;
}
end
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#compare_by_identity? ⇒ Boolean
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# File 'opal/opal/corelib/hash.rb', line 261
def compare_by_identity?
`self.$$by_identity === true`
end
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#deconstruct_keys(_) ⇒ Object
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# File 'opal/opal/corelib/pattern_matching/base.rb', line 8
def deconstruct_keys(_)
self
end
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#default(key = undefined) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 265
def default(key = undefined)
%x{
if (key !== undefined && self.$$proc !== nil && self.$$proc !== undefined) {
return self.$$proc.$call(self, key);
}
if (self.$$none === undefined) {
return nil;
}
return self.$$none;
}
end
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#default=(object) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 277
def default=(object)
%x{
$deny_frozen_access(self);
self.$$proc = nil;
self.$$none = object;
return object;
}
end
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#default_proc ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 288
def default_proc
%x{
if (self.$$proc !== undefined) {
return self.$$proc;
}
return nil;
}
end
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#default_proc=(default_proc) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 297
def default_proc=(default_proc)
%x{
$deny_frozen_access(self);
var proc = default_proc;
if (proc !== nil) {
proc = #{::Opal.coerce_to!(`proc`, ::Proc, :to_proc)};
if (#{`proc`.lambda?} && #{`proc`.arity.abs} !== 2) {
#{::Kernel.raise ::TypeError, 'default_proc takes two arguments'};
}
}
self.$$none = nil;
self.$$proc = proc;
return default_proc;
}
end
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#delete(key, &block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 318
def delete(key, &block)
%x{
$deny_frozen_access(self);
var value = $hash_delete(self, key);
if (value !== undefined) {
return value;
}
if (block !== nil) {
return #{yield key};
}
return nil;
}
end
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#delete_if(&block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 335
def delete_if(&block)
return enum_for(:delete_if) { size } unless block
%x{
$deny_frozen_access(self);
return $hash_each(self, self, function(key, value) {
var obj = block(key, value);
if (obj !== false && obj !== nil) {
$hash_delete(self, key);
}
return [false, self];
});
}
end
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#dig(key, *keys) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 352
def dig(key, *keys)
item = self[key]
%x{
if (item === nil || keys.length === 0) {
return item;
}
}
unless item.respond_to?(:dig)
::Kernel.raise ::TypeError, "#{item.class} does not have #dig method"
end
item.dig(*keys)
end
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#each(&block) ⇒ Object
Also known as:
each_pair
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# File 'opal/opal/corelib/hash.rb', line 368
def each(&block)
return enum_for(:each) { size } unless block
%x{
return $hash_each(self, self, function(key, value) {
$yield1(block, [key, value]);
return [false, self];
});
}
end
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#each_key(&block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 379
def each_key(&block)
return enum_for(:each_key) { size } unless block
%x{
return $hash_each(self, self, function(key, value) {
block(key);
return [false, self];
});
}
end
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#each_value(&block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 390
def each_value(&block)
return enum_for(:each_value) { size } unless block
%x{
return $hash_each(self, self, function(key, value) {
block(value);
return [false, self];
});
}
end
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# File 'opal/opal/corelib/hash.rb', line 401
def empty?
`self.size === 0`
end
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#except(*keys) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 405
def except(*keys)
dup.except!(*keys)
end
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#except!(*keys) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 409
def except!(*keys)
keys.each { |key| delete(key) }
self
end
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#fetch(key, defaults = undefined, &block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 414
def fetch(key, defaults = undefined, &block)
%x{
var value = $hash_get(self, key);
if (value !== undefined) {
return value;
}
if (block !== nil) {
return block(key);
}
if (defaults !== undefined) {
return defaults;
}
}
::Kernel.raise ::KeyError.new("key not found: #{key.inspect}", key: key, receiver: self)
end
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#fetch_values(*keys, &block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 434
def fetch_values(*keys, &block)
keys.map { |key| fetch(key, &block) }
end
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#flatten(level = 1) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 438
def flatten(level = 1)
level = ::Opal.coerce_to!(level, ::Integer, :to_int)
%x{
var result = [];
return $hash_each(self, result, function(key, value) {
result.push(key);
if (value.$$is_array) {
if (level === 1) {
result.push(value);
return [false, result];
}
result = result.concat(#{`value`.flatten(`level - 2`)});
return [false, result];
}
result.push(value);
return [false, result];
});
}
end
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# File 'opal/opal/corelib/hash.rb', line 463
def freeze
return self if frozen?
`$freeze(self)`
end
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#has_key?(key) ⇒ Boolean
Also known as:
include?, key?, member?
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# File 'opal/opal/corelib/hash.rb', line 469
def has_key?(key)
`$hash_get(self, key) !== undefined`
end
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#has_value?(value) ⇒ Boolean
Also known as:
value?
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# File 'opal/opal/corelib/hash.rb', line 473
def has_value?(value)
%x{
return $hash_each(self, false, function(key, val) {
if (#{`val` == value}) {
return [true, true];
}
return [false, false];
});
}
end
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# File 'opal/opal/corelib/hash.rb', line 486
def hash
%x{
var top = ($hash_ids === undefined),
hash_id = self.$object_id(),
result = $opal32_init(),
key, item, i,
size = self.size, ary = new Int32Array(size);
result = $opal32_add(result, 0x4);
result = $opal32_add(result, size);
if (top) {
$hash_ids = Object.create(null);
}
else if ($hash_ids[hash_id]) {
return $opal32_add(result, 0x01010101);
}
try {
for (key in $hash_ids) {
item = $hash_ids[key];
if (#{eql?(`item`)}) {
return $opal32_add(result, 0x01010101);
}
}
$hash_ids[hash_id] = self;
i = 0
$hash_each(self, false, function(key, value) {
ary[i] = [0x70414952, key, value].$hash();
i++;
return [false, false];
});
ary = ary.sort();
for (i = 0; i < ary.length; i++) {
result = $opal32_add(result, ary[i]);
}
return result;
} finally {
if (top) {
$hash_ids = undefined;
}
}
}
end
|
#index(object) ⇒ Object
Also known as:
key
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# File 'opal/opal/corelib/hash.rb', line 536
def index(object)
%x{
return $hash_each(self, nil, function(key, value) {
if (#{`value` == object}) {
return [true, key];
}
return [false, nil];
});
}
end
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#indexes(*args) ⇒ Object
Also known as:
indices, values_at
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# File 'opal/opal/corelib/hash.rb', line 547
def indexes(*args)
%x{
var result = [];
for (var i = 0, length = args.length, key, value; i < length; i++) {
key = args[i];
value = $hash_get(self, key);
if (value === undefined) {
result.push(#{default});
continue;
}
result.push(value);
}
return result;
}
end
|
#inspect ⇒ Object
Also known as:
to_s
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# File 'opal/opal/corelib/hash.rb', line 569
def inspect
%x{
var top = (inspect_ids === undefined),
hash_id = self.$object_id(),
result = [];
}
begin
%x{
if (top) {
inspect_ids = {};
}
if (inspect_ids.hasOwnProperty(hash_id)) {
return '{...}';
}
inspect_ids[hash_id] = true;
$hash_each(self, false, function(key, value) {
value = #{Opal.inspect(`value`)}
key = #{Opal.inspect(`key`)}
result.push(key + '=>' + value);
return [false, false];
})
return '{' + result.join(', ') + '}';
}
nil
ensure
`if (top) inspect_ids = undefined`
end
end
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# File 'opal/opal/corelib/hash.rb', line 604
def invert
%x{
var hash = new Map();
return $hash_each(self, hash, function(key, value) {
$hash_put(hash, value, key);
return [false, hash];
});
}
end
|
#keep_if(&block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 615
def keep_if(&block)
return enum_for(:keep_if) { size } unless block
%x{
$deny_frozen_access(self);
return $hash_each(self, self, function(key, value) {
var obj = block(key, value);
if (obj === false || obj === nil) {
$hash_delete(self, key);
}
return [false, self];
});
}
end
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# File 'opal/opal/corelib/hash.rb', line 632
def keys
`Array.from(self.keys())`
end
|
#length ⇒ Object
Also known as:
size
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# File 'opal/opal/corelib/hash.rb', line 636
def length
`self.size`
end
|
#merge(*others, &block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 640
def merge(*others, &block)
dup.merge!(*others, &block)
end
|
#merge!(*others, &block) ⇒ Object
Also known as:
update
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# File 'opal/opal/corelib/hash.rb', line 644
def merge!(*others, &block)
%x{
$deny_frozen_access(self);
var i, j, other;
for (i = 0; i < others.length; ++i) {
other = #{::Opal.coerce_to!(`others[i]`, ::Hash, :to_hash)};
if (block === nil) {
$hash_each(other, false, function(key, value) {
$hash_put(self, key, value);
return [false, false];
});
} else {
$hash_each(other, false, function(key, value) {
var val = $hash_get(self, key);
if (val === undefined) {
$hash_put(self, key, value);
return [false, false];
}
$hash_put(self, key, block(key, val, value));
return [false, false];
});
}
}
return self;
}
end
|
#rassoc(object) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 676
def rassoc(object)
%x{
return $hash_each(self, nil, function(key, value) {
if (#{`value` == object}) {
return [true, [key, value]];
}
return [false, nil];
});
}
end
|
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# File 'opal/opal/corelib/hash.rb', line 687
def rehash
%x{
$deny_frozen_access(self);
return Opal.hash_rehash(self);
}
end
|
#reject(&block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 694
def reject(&block)
return enum_for(:reject) { size } unless block
%x{
var hash = new Map();
return $hash_each(self, hash, function(key, value) {
var obj = block(key, value);
if (obj === false || obj === nil) {
$hash_put(hash, key, value);
}
return [false, hash]
});
}
end
|
#reject!(&block) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 711
def reject!(&block)
return enum_for(:reject!) { size } unless block
%x{
$deny_frozen_access(self);
var result = nil;
return $hash_each(self, result, function(key, value) {
var obj = block(key, value);
if (obj !== false && obj !== nil) {
$hash_delete(self, key);
result = self;
}
return [false, result];
});
}
end
|
#replace(other) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 731
def replace(other)
`$deny_frozen_access(self);`
other = ::Opal.coerce_to!(other, ::Hash, :to_hash)
%x{
self.$clear();
$hash_each(other, false, function(key, value) {
$hash_put(self, key, value);
return [false, false];
});
}
if other.default_proc
self.default_proc = other.default_proc
else
self.default = other.default
end
self
end
|
#select(&block) ⇒ Object
Also known as:
filter
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# File 'opal/opal/corelib/hash.rb', line 754
def select(&block)
return enum_for(:select) { size } unless block
%x{
var hash = new Map();
return $hash_each(self, hash, function(key, value) {
var obj = block(key, value);
if (obj !== false && obj !== nil) {
$hash_put(hash, key, value);
}
return [false, hash];
});
}
end
|
#select!(&block) ⇒ Object
Also known as:
filter!
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# File 'opal/opal/corelib/hash.rb', line 771
def select!(&block)
return enum_for(:select!) { size } unless block
%x{
$deny_frozen_access(self);
var result = nil;
return $hash_each(self, result, function(key, value) {
var obj = block(key, value);
if (obj === false || obj === nil) {
$hash_delete(self, key);
result = self;
}
return [false, result];
});
}
end
|
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# File 'opal/opal/corelib/hash.rb', line 791
def shift
%x{
$deny_frozen_access(self);
return $hash_each(self, nil, function(key, value) {
return [true, [key, $hash_delete(self, key)]];
});
}
end
|
#slice(*keys) ⇒ Object
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# File 'opal/opal/corelib/hash.rb', line 801
def slice(*keys)
%x{
var result = new Map();
for (var i = 0, length = keys.length; i < length; i++) {
var key = keys[i], value = $hash_get(self, key);
if (value !== undefined) {
$hash_put(result, key, value);
}
}
return result;
}
end
|
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# File 'opal/opal/corelib/hash.rb', line 817
def to_a
%x{
var result = [];
return $hash_each(self, result, function(key, value) {
result.push([key, value]);
return [false, result];
});
}
end
|
#to_h(&block) ⇒ Object
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|
# File 'opal/opal/corelib/hash.rb', line 828
def to_h(&block)
return map(&block).to_h if block_given?
%x{
if (self.$$class === Opal.Hash) {
return self;
}
var hash = new Map();
$hash_clone(self, hash);
return hash;
}
end
|
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|
# File 'opal/opal/corelib/hash.rb', line 844
def to_hash
self
end
|
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|
# File 'opal/opal/corelib/hash.rb', line 848
def to_proc
proc do |key = undefined|
%x{
if (key == null) {
#{::Kernel.raise ::ArgumentError, 'no key given'}
}
}
self[key]
end
end
|
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# File 'opal/opal/corelib/hash.rb', line 860
def transform_keys(keys_hash = nil, &block)
return enum_for(:transform_keys) { size } if !block && !keys_hash
%x{
var result = new Map();
return $hash_each(self, result, function(key, value) {
var new_key;
if (keys_hash !== nil)
new_key = $hash_get(keys_hash, key);
if (new_key === undefined && block && block !== nil)
new_key = block(key);
if (new_key === undefined)
new_key = key // key not modified
$hash_put(result, new_key, value);
return [false, result];
});
}
end
|
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# File 'opal/opal/corelib/hash.rb', line 880
def transform_keys!(keys_hash = nil, &block)
return enum_for(:transform_keys!) { size } if !block && !keys_hash
%x{
$deny_frozen_access(self);
var modified_keys = new Map();
return $hash_each(self, self, function(key, value) {
var new_key;
if (keys_hash !== nil)
new_key = $hash_get(keys_hash, key);
if (new_key === undefined && block && block !== nil)
new_key = block(key);
if (new_key === undefined)
return [false, self]; // key not modified
if (!$hash_get(modified_keys, key))
$hash_delete(self, key);
$hash_put(self, new_key, value);
$hash_put(modified_keys, new_key, true)
return [false, self];
});
}
end
|
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|
# File 'opal/opal/corelib/hash.rb', line 905
def transform_values(&block)
return enum_for(:transform_values) { size } unless block
%x{
var result = new Map();
return $hash_each(self, result, function(key, value) {
$hash_put(result, key, block(value));
return [false, result];
});
}
end
|
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# File 'opal/opal/corelib/hash.rb', line 918
def transform_values!(&block)
return enum_for(:transform_values!) { size } unless block
%x{
$deny_frozen_access(self);
return $hash_each(self, self, function(key, value) {
$hash_put(self, key, block(value));
return [false, self];
});
}
end
|
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# File 'opal/opal/corelib/hash.rb', line 931
def values
`Array.from(self.values())`
end
|