flynx/diff.js
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cleanup + some docs...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2018-07-19 21:09:27 +03:00
parent 86797be419
commit bd61727b12
1 changed files with 7 additions and 102 deletions
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109
diff.js
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@ -491,7 +491,8 @@ var Types = {
return obj
},
// XXX experimental...
// Diff format walker...
//
// XXX need to sort out return values...
walk: function(diff, func, path){
// no changes...
@ -532,25 +533,6 @@ var Types = {
this.walk(diff, function(change){ res.push(change) })
return res
},
/* XXX LEGACY...
flatten: function(diff, res, path, options){
res = res || []
path = path || []
options = options || {}
if(diff == null){
return null
}
var handler = this.getHandler(diff.type)
if(handler == null || !handler.flatten){
throw new TypeError('Can\'t flatten type: '+ diff.type)
}
return handler.flatten.call(this, diff, res, path, options)
},
*/
// User API...
@ -696,12 +678,14 @@ var Types = {
// ..
// },
//
// // Flatten a diff...
// // Walk the diff...
// //
// // .flatten(diff, res, path, options)
// // This will pass each change to func(..) and return its result...
// //
// // .walk(diff, func, path)
// // -> res
// //
// flatten: function(diff, res, path, options){
// walk: function(diff, func, path){
// ..
// },
// }
@ -749,16 +733,6 @@ Types.set('Basic', {
&& (change.B = diff.B)
return func(change)
},
/* XXX LEGACY...
flatten: function(diff, res, path, options){
res.push({
path: path,
A: diff.A,
B: diff.B,
})
return res
},
//*/
})
@ -788,20 +762,6 @@ Types.set(Object, {
return that.walk(v, func, p)
})
},
/* XXX LEGACY...
flatten: function(diff, res, path, options){
var that = this
;(diff.items || [])
.forEach(function(e){
var i = e[0]
var v = e[1]
var p = path.concat([i])
that.flatten(v, res, p, options)
})
return res
},
//*/
// part handlers...
attributes: function(diff, A, B, options, filter){
@ -888,45 +848,6 @@ Types.set(Array, {
return that.walk(v, func, p)
}))
},
/* XXX LEGACY...
flatten: function(diff, res, path, options){
var that = this
var NONE = this.NONE
// length...
;(!options.no_length && diff.length != null)
&& res.push({
path: path.concat('length'),
A: diff.length[0],
B: diff.length[1],
})
// items...
;(diff.items || [])
.forEach(function(e){
var v = e[2]
// index...
var i = e[0] == e[1] ?
e[0]
: [e[0], e[1]]
var p = path.concat([i])
if(!options.keep_none
&& (v.A === NONE || v.B === NONE)){
// NOTE: we do not need to flatten(..) this as
// it is guaranteed not to be a diff...
res.push({
path: p,
// write only the value that is not NONE...
[v.A === NONE ? 'B' : 'A']: v.A === NONE ? v.B : v.A,
})
} else {
that.flatten(v, res, p, options)
}
})
return res
},
//*/
// part handlers...
items: function(diff, A, B, options){
@ -1026,22 +947,6 @@ Types.set('Text', {
return func(c)
}, path)
},
/* XXX LEGACY...
flatten: function(diff, res, path, options){
options = Object.create(options || {})
;('no_length' in options)
&& (options.no_length = true)
// use the array flatten but add 'Text' type to each change...
// NOTE: we need to abide by the protocol and call Array's
// .flatten(..) the context of the main object...
this.get(Array).flatten.call(this, diff, res, path, options)
.map(function(e){
e.type = 'Text'
return e
})
return res
},
//*/
})