flynx/types.js
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notes...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2020-10-09 03:03:24 +03:00
parent 375d2284fc
commit 71b7bbfe35
1 changed files with 14 additions and 23 deletions
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37
Array.js
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@ -12,6 +12,9 @@
/*********************************************************************/
// XXX move .zip(..) here from diff.js
// Array.prototype.flat polyfill...
//
// NOTE: .flat(..) is not yet supported in IE/Edge...
@ -44,6 +47,9 @@ Array.prototype.includes
// NOTE: setting a value will overwrite an existing first/last value.
// NOTE: for an empty array both .first(..)/.last(..) will return undefined
// when getting a value and set the 0'th value when setting...
// NOTE: decided to keep these as methods and not props because methods
// have one advantage: they can be chained
// ...while you can't chain assignment unless you wrap it in .run(..)
Array.prototype.first
|| (Array.prototype.first = function(value){
return arguments.length > 0 ?
@ -56,27 +62,6 @@ Array.prototype.last
: this[this.length - 1]})
/*/ XXX not yet sure should these be funcs or props...
'first' in Array.prototype
|| Object.defineProperty(Array.prototype, 'first', {
enumerable: false,
get : function () {
return this[0] },
set : function(value){
this[0] = value
return this }, })
'last' in Array.prototype
|| Object.defineProperty(Array.prototype, 'last', {
enumerable: false,
get : function () {
return this[this.length - 1] },
set : function(value){
this[this.length - 1 || 0] = value
return this }, })
//*/
// Compact a sparse array...
//
// NOTE: this will not compact in-place.
@ -85,6 +70,7 @@ Array.prototype.compact = function(){
// like .length but for sparse arrays will return the element count...
//
'len' in Array.prototype
|| Object.defineProperty(Array.prototype, 'len', {
get : function () {
@ -111,7 +97,12 @@ Array.prototype.tailUnique = function(normalize){
// Compare two arrays...
//
// XXX unify this with ./Object.js (.match(..)) and diff.js
// NOTE: this is diffectent from Object.match(..) in that this compares
// self to other (internal) while match compares two entities
// externally.
// XXX not sure if we need the destinction in name, will have to
// come back to this when refactoring diff.js -- all three have
// to be similar...
Array.prototype.cmp = function(other){
if(this === other){
return true }
@ -164,7 +155,7 @@ Array.prototype.inplaceSortAs = function(other){
.filter(function(e){
return other.includes(e) })
.sortAs(other)
// zip the sorted items back into this...
// "zip" the sorted items back into this...
this.forEach(function(e, i, l){
other.includes(e)
&& (l[i] = sorted.shift()) })