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.walk2(..) refining...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2019-08-24 18:39:37 +03:00
parent 2bd7aa5c5b
commit 7a56564835
1 changed files with 23 additions and 26 deletions
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49
ui (gen4)/lib/widget/browse2.js
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@ -464,7 +464,7 @@ object.mixinFlat(function(){}, {
var Make = var Make =
module.Make = module.Make =
object.Constructor('Make', Items) object.Constructor('Make', Items)
@ -1935,11 +1935,8 @@ var BaseBrowserPrototype = {
// //
// options format: // options format:
// { // {
// reverse: <bool>,
//
// // XXX ???
// //reverseCall: <bool>,
// //
// reverse: <bool> | 'full',
// //
// iterateNonIterable: <bool>, // iterateNonIterable: <bool>,
// iterateCollapsed: <bool>, // iterateCollapsed: <bool>,
@ -1964,9 +1961,6 @@ var BaseBrowserPrototype = {
// } // }
// //
// //
// XXX add i and path handling...
// XXX revise func(..) return value semantics...
// should false be treated the same as null and undefined???
walk2: function(func, options){ walk2: function(func, options){
var that = this var that = this
var [func, options={}, path=[], context={}] = [...arguments] var [func, options={}, path=[], context={}] = [...arguments]
@ -1980,8 +1974,6 @@ var BaseBrowserPrototype = {
Object.create(this.options || {}), Object.create(this.options || {}),
options) options)
// options.reverse... // options.reverse...
// XXX
var reverseCall = !!options.reverseCall
var handleReverse = function(lst){ var handleReverse = function(lst){
return options.reverse ? return options.reverse ?
lst.slice().reverse() lst.slice().reverse()
@ -2000,7 +1992,7 @@ var BaseBrowserPrototype = {
var iterateNonIterable = !!(options.iterateAll || options.iterateNonIterable) var iterateNonIterable = !!(options.iterateAll || options.iterateNonIterable)
var iterateCollapsed = !!(options.iterateAll || options.iterateCollapsed) var iterateCollapsed = !!(options.iterateAll || options.iterateCollapsed)
// XXX // XXX
var includeInlinedBlocks = !!options.includeInlinedBlocks //var includeInlinedBlocks = !!options.includeInlinedBlocks
// stopping mechanics... // stopping mechanics...
var res, StopException var res, StopException
@ -2034,24 +2026,29 @@ var BaseBrowserPrototype = {
: elems } : elems }
// handle item... // handle item...
var item = // skip non-iterable and inlined block items...
// skip non-iterable... var handleItem = !((!iterateNonIterable && elem.noniterable)
(!iterateNonIterable && elem.noniterable) ? || (elem instanceof Array || elem instanceof BaseBrowser))
[] var p = handleItem ?
: [(elem instanceof Array || elem instanceof BaseBrowser) ? path.concat(elem.id)
// skip inlined block items... : p
[] var item
: func.call(that, elem, // NOTE: this will handle the item once and then re-return the value...
context.index++, var getItem = function(){
// NOTE: path will be updated ONLY for non-inlined items... return (item =
p = path.concat(elem.id), item !== undefined ?
next, stop) || []] item
.flat() : handleItem ?
[ func.call(that, elem, context.index++, p, next, stop) ].flat()
: []) }
// pre-call the item if options.reverse is not set to 'full'...
options.reverse == 'full'
|| getItem()
return [ return [
// item... // item...
...!options.reverse ? ...!options.reverse ?
item getItem()
: [], : [],
// children... // children...
...children instanceof Array ? ...children instanceof Array ?
@ -2064,7 +2061,7 @@ var BaseBrowserPrototype = {
: [], : [],
// item (in reverse)... // item (in reverse)...
...options.reverse ? ...options.reverse ?
item getItem()
: [], ] } } : [], ] } }