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working on meta store...

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Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
This commit is contained in:
Alex A. Naanou 2022-05-07 01:02:44 +03:00
parent 7775a3a1de
commit 882bfb27d8
1 changed files with 85 additions and 7 deletions
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92
pwiki2.js
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@ -232,8 +232,7 @@ module.BaseStore = {
// XXX might be a good idea to cache this...
__exists__: function(path){
var data = this.data
return (path in data
return (path in this.data
&& path) },
exists: function(path){
path = module.path.normalize(path, 'string')
@ -348,11 +347,10 @@ module.BaseStore = {
// paths -- no page acquisition is performed...
// NOTE: edit methods are local-only...
//
// XXX should these return this or the data???
// XXX FUNC handle functions as pages...
// XXX BUG: for path '/' this adds an entry at '', but when getting
// '/', the later is not found...
__update__: function(key, data){
__update__: function(key, data, mode='update'){
this.data[key] = data
return this },
update: function(path, data, mode='update'){
@ -415,19 +413,81 @@ module.store =
// - a router?
// - substores?
// XXX EXPERIMENTAL
// XXX should this be a mixin???
// XXX TEST...
var MetaStore =
module.MetaStore = {
__proto__: BaseStore,
//data: undefined,
data: {},
__substores: undefined,
get substores(){
return this.__substores
?? (this.__substores = Object.entries(this.data)
.filter(function([path, value]){
return value instanceof BaseStore })
.map(function([path, _]){
return path })) },
substore: function(path){
path = module.path.normalize(path, 'string')
var stpre = this.substores
.filter(function(p){
return path.startsWith(p) })
.sort(function(a, b){
return a.length - b.length })
.pop()
return store == path ?
// the actual store is not stored within itself...
undefined
: store },
__paths__: function(){
var that = this
var data = this.data
Object.keys(data)
.map(function(path){
return data[path] instanceof BaseStore ?
data[path].paths()
: data[path] })
.flat() },
__exists__: function(path){
var store = this.substore(path)
return store == null ?
(path in this.data
?? path)
: this.data[store].exists(path.slice(store.length)) },
__get__: function(path){
var store = this.substore(path)
return store == null ?
BaseStore.__get__.call(this, path)
: this.__get__(store).get(path.slice(store.length)) },
__update__: function(path, data={}, mode){
var store = this.substore(path)
store == null ?
BaseStore.__update__.call(this, path, data, mode)
: this.data[store].update(path.slice(store.length), data, mode) },
__delete__: function(path){
var store = this.substore(path)
// XXX
},
}
// XXX EXPERIMENTAL, needs testing in browser...
var localStorageStore =
module.localStorageStore = {
__proto__: BaseStore,
__prefix__: '--pwiki:',
// XXX add caching of unserialized data...
// XXX add caching of unserialized data???
data:
typeof(localStorage) != 'undefined' ?
localStorage
: undefined,
__paths__: function(path){
__paths__: function(){
var that = this
return Object.keys(this.data)
.map(function(k){
@ -451,10 +511,12 @@ module.localStorageStore = {
delete this.data[(this.__prefix__ ?? '')+ path]
return this },
// XXX
load: function(){
},
}
var localStorageNestedStore =
module.localStorageNestedStore = {
__proto__: BaseStore,
@ -474,6 +536,22 @@ module.localStorageNestedStore = {
}
var FileStore =
module.FileStore = {
__proto__: BaseStore,
__path__: '',
// XXX
}
var PouchDBStore =
module.PouchDBStore = {
__proto__: BaseStore,
// XXX
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -