flynx/features.js
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added filtering to exclusive groups...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2017-10-04 16:40:55 +03:00
parent f83cbf0466
commit 9d1cad7f87
2 changed files with 20 additions and 12 deletions
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30
features.js
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@ -324,7 +324,7 @@ var FeatureSetProto = {
// ...
// }
//
getExclusive: function(tag, features, rev_exclusive){
getExclusive: function(tag, features, rev_exclusive, isDisabled){
tag = tag == null || tag == '*' ? '*'
: tag instanceof Array ? tag
: [tag]
@ -335,7 +335,9 @@ var FeatureSetProto = {
var that = this
var exclusive = {}
features
.filter(function(f){ return !!that[f].exclusive })
.filter(function(f){
return !!that[f].exclusive
&& (!isDisabled || !isDisabled(f)) })
.forEach(function(k){
var e = that[k].exclusive
;((e instanceof Array ? e : [e]) || [])
@ -460,11 +462,19 @@ var FeatureSetProto = {
//
// XXX should exclusive conflicts resolve to first (current state)
// feature or last in an exclusive group???
buildFeatureList: function(lst, filter){
// XXX PROBLEM: exclusive feature trees should be resolved accounting
// feature applicablility...
// ...in this approach it is impossible...
// ...one way to fix this is to make this interactively check
// applicability, i.e. pass a context and check applicablility
// when needed...
buildFeatureList: function(lst, isDisabled){
var all = this.features
lst = (lst == null || lst == '*') ? all : lst
lst = lst.constructor !== Array ? [lst] : lst
//isDisabled = isDisabled || function(){ return false }
var that = this
// Pre-sort exclusive feature by their occurrence in dependency
@ -684,14 +694,12 @@ var FeatureSetProto = {
// user filter...
// NOTE: we build this out of the full feature list...
disabled = disabled
.concat(filter ?
all.filter(function(n){ return !filter.call(that, n) })
: [])
.concat(isDisabled ? all.filter(isDisabled) : [])
// build exclusive groups...
// XXX need to sort the values to the same order as given features...
var rev_exclusive = {}
var exclusive = this.getExclusive('*', all, rev_exclusive)
var exclusive = this.getExclusive('*', all, rev_exclusive, isDisabled)
//-------------------------------- Stage 1: expand features ---
@ -997,15 +1005,15 @@ var FeatureSetProto = {
var unapplicable = []
var features = this.buildFeatureList(lst,
function(n){
(function(n){
var f = this[n]
// check applicability if possible...
if(f && f.isApplicable && !f.isApplicable.call(this, obj)){
unapplicable.push(n)
return false
return true
}
return true
})
return false
}).bind(this))
features.unapplicable = unapplicable
// cleanup disabled -- filter out unapplicable and excluded features...
// NOTE: this is done mainly for cleaner and simpler reporting

2
package.json
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@ -1,6 +1,6 @@
{
"name": "ig-features",
"version": "3.2.8",
"version": "3.3.0",
"description": "",
"main": "features.js",
"scripts": {