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Merge pull request #254 from alancnet/off-0.5

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.off for .on, and .map. (0.5)
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Mark Nadal 2016-11-10 16:39:45 -08:00 committed by GitHub
commit 24a6c858a2
1 changed files with 26 additions and 11 deletions
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37
gun.js
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@ -1858,22 +1858,28 @@
;(function(){
Gun.chain.on = function(tag, arg, eas, as){
var gun = this, at = gun._, tmp;
var gun = this, at = gun._, tmp, act, off;
if(!at.on){ at.on = Gun.on }
if(typeof tag === 'string'){
if(!arg){ return at.on(tag) }
at.on(tag, arg, eas || at, as);
act = at.on(tag, arg, eas || at, as);
off = function() {
if (act && act.off) act.off();
off.off();
};
off.off = gun.off.bind(gun) || noop;
gun.off = off;
return gun;
}
var opt = arg;
opt = (true === opt)? {change: true} : opt || {};
opt = (true === opt)? {change: true} : opt || {};
opt.ok = tag;
gun.any(ok, {as: opt, change: opt.change}); // TODO: PERF! Event listener leak!!!????
return gun;
}
function ok(cat, ev){ var opt = this;
var data = cat.put, tmp;
var data = cat.put, tmp;
// TODO: BUG! Need to use at.put > cat.put for merged cache?
if(u === data){ return }
if(opt.as){
@ -1973,29 +1979,38 @@
;(function(){
Gun.chain.map = function(cb, opt, t){
var gun = this, cat = gun._, chain = cat.map;
var gun = this, cat = gun._, chain = cat.map, ons = [], act, off;
if(!chain){
chain = cat.map = gun.chain();
var list = (cat = chain._).list = cat.list || {};
chain.on('in').map = {};
chain.on('out', function(at){
(ons[ons.length] = chain.on('in')).map = {};
ons[ons.length] = chain.on('out', function(at){
console.debug(8, 'map out', at);
if(at.get instanceof Function){
chain.on('in', at.get, at);
ons[ons.length] = chain.on('in', at.get, at);
return;
} else {
console.debug(9, 'map out', at);
chain.on('in', gun.get.input, at.gun._);
ons[ons.length] = chain.on('in', gun.get.input, at.gun._);
}
});
if(opt !== false){
gun.on(map, {change: true, as: cat});
ons[ons.length] = gun.on(map, {change: true, as: cat});
console.debug(1, 'map');
}
}
if(cb){
chain.on(cb);
ons[ons.length] = chain.on(cb);
}
off = function() {
while (ons.length) {
act = ons.pop();
if (act && act.off) act.off();
}
return off.off();
};
off.off = chain.off.bind(chain) || noop;
chain.off = off;
return chain;
}
function map(at,ev){