mirror of
https://github.com/flynx/ImageGrid.git
synced 2025-10-28 18:00:09 +00:00
cleanup and added keyword support...
Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
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c647547433
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@ -2606,7 +2606,7 @@ var FileSystemWriterUIActions = actions.Actions({
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// XXX indicate export state: index, crop, image...
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return mode == mode_aliases['save'] ?
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'$Save'
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: '$Export'}],
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: '$Export' }],
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{
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cls: 'selected',
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open: function(){
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@ -929,6 +929,7 @@ var BaseBrowserPrototype = {
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// path - array of path elements or '*' (matches any element)
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// regexp - regexp object to test item path
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// query - object to test against the element
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// keyword -
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//
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//
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// predicate(elem, i, path)
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@ -937,10 +938,12 @@ var BaseBrowserPrototype = {
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//
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// query format:
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// {
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// // match if <attr-name> exists...
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// // match if <attr-name> exists and is true...
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// // XXX revise...
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// <attr-name>: true,
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//
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// // match if <attr-name> does not exist...
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// // match if <attr-name> does not exist or is false...
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// // XXX revise...
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// <attr-name>: false,
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//
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// // match if <attr-name> equals value...
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@ -953,7 +956,17 @@ var BaseBrowserPrototype = {
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// }
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//
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//
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// XXX can this replace .get(..)
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// supported keywords:
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// 'first' - get first item (same as 0)
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// 'last' - get last item (same as -1)
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// 'selected'
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// 'focused'
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// 'next'
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// 'prev'
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//
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//
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// XXX add options.ignoreKeywords ???
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// XXX add support for 'next'/'prev', ... keywords... (here or in .get(..)???)
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// XXX do we actually need to stop this as soon as we find something,
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// i.e. options.firstOnly???
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search: function(pattern, func, options){
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@ -977,6 +990,10 @@ var BaseBrowserPrototype = {
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0
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: pattern == 'last' ?
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-1
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: pattern == 'selected' ?
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{selected: true}
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: pattern == 'focused' ?
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{focused: true}
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: pattern
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// normalize negative index...
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@ -987,8 +1004,10 @@ var BaseBrowserPrototype = {
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// normalize/build the test predicate...
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var test = (
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pattern === true ?
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pattern
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// predicate...
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pattern instanceof Function ?
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: pattern instanceof Function ?
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pattern
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// regexp...
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: pattern instanceof RegExp ?
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@ -1043,7 +1062,7 @@ var BaseBrowserPrototype = {
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function(i, path, elem, doNested){
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// match...
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// XXX should this use that???
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if(elem && test.call(this, elem, i, path)){
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if(elem && (test === true || test.call(this, elem, i, path))){
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return func ?
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[func.call(this, elem, i, path)]
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: [[
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@ -1058,6 +1077,75 @@ var BaseBrowserPrototype = {
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},
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// XXX EXPERIMENTAL...
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//
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// .get()
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// -> item
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// -> undefined
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//
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// .get(pattern[, options])
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// -> item
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// -> undefined
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//
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//
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// NOTE: this is just like a lazy .search(..) that will return the
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// first result only.
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//
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// XXX add defaults (if no args get selected/focused...)
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// XXX add support for 'next'/'prev', ... keywords... (here or in .search(..)???)
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// XXX revise return value...
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get: function(pattern, options){
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// XXX selected or focused???
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pattern = pattern === undefined ?
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'selected'
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: pattern
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var res
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var Stop = new Error('.get(..): found match.')
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try {
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// XXX can we simplify/merge these???
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if(pattern == 'next'){
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this.search(true,
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function(elem, i, path){
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if(elem.selected == true){
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res = true
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} else if(res === true){
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res = [elem, i, path]
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throw Stop
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}
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})
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res = res === true ? undefined : res
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} else if(pattern == 'prev'){
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this.search(true,
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function(elem, i, path){
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if(elem.selected == true){
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throw Stop
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}
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res = [elem, i, path]
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})
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res = undefined
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} else {
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this.search(pattern,
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function(elem, i, path){
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res = [elem, i, path]
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throw Stop
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})
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}
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} catch(e){
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if(e !== Stop){
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throw e
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}
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}
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return res
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},
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// XXX BROKEN...
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// Sublist map functions...
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//
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@ -1108,116 +1196,6 @@ var BaseBrowserPrototype = {
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//.flat() },
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reduce: function(){},
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// Get item...
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//
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// .get()
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// .get(id)
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// .get(index)
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// .get(path)
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// -> item
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// -> undefined
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//
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//
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// options format:
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// {
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// ignoreKeywords: <bool>,
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//
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// // rest of the options are the same as for .map(..)
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// ...
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// }
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//
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//
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// XXX this is not too fast for indexing very long lists...
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// XXX use cache for these -- currently these use .map(..)...
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get: function(key, options){
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key = key == null ? 0 : key
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key = typeof(key) == typeof('str') ?
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key.split(/[\\\/]/g)
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.filter(function(e){ return e.length > 0 })
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: key
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key = typeof(key) == typeof('str') ?
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[key]
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: key
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options = Object.assign(Object.create(this.options || {}), options || {})
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var iterateCollapsed = options.iterateAll || options.iterateCollapsed
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var ignoreKeywords = options.ignoreKeywords
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// keywords...
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if(!ignoreKeywords){
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// XXX don't like how this feels...
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if(key == 'next' || key == 'prev'){
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var reference = this.focused
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key = key == 'next' ?
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(reference ?
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this.indexOf(reference) + 1
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: 0)
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: (reference ?
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this.indexOf(reference) - 1
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: -1)
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}
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if(key == 'first'){
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var res = this.items[0]
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return res.value instanceof Browser ?
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res.value.get(key, options)
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: res
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} else if(key == 'last'){
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var res = this.items[this.items.length - 1]
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return res.value instanceof Browser ?
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res.value.get(key, options)
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: res.sublist && (!this.collapsed || iterateCollapsed) ?
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(res.sublist instanceof Browser ?
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res.sublist.get(key, options)
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: res.sublist[res.sublist.length - 1])
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: res
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}
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}
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// get path...
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if(key instanceof Array){
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var res = this.item_key_index[key.shift()]
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return key.length == 0 ?
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res
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// nested...
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: iterateCollapsed || !res.collapsed ?
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res.sublist.get(key, options)
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: undefined }
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// get index...
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// XXX getting an element by index is o(n) and not o(1)...
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// ...unless we cache .sublists() not sure if this can be
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// made better in the general case...
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// XXX do we need to support negative indexes???
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var Stop = new Error('.get(..): Result found exception.')
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var i = 0
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// reverse indexing...
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options = Object.assign(
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{ reverse: key < 0 },
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options || {})
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key = key < 0 ?
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-key - 1
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: key
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var res
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try {
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this.map(function(e){
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res = key == i ?
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e
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: res
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if(res){
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throw Stop }
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i++
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}, options)
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} catch(e){
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if(e === Stop){
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return res
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}
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throw e
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}
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return res
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},
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// XXX move these to a more logical spot...
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// XXX these are almost identical -- reuse???
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indexOf: function(item, options){
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