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proposed lib/then

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This commit is contained in:
Dletta 2019-08-26 21:00:22 -07:00
parent 6ea408700e
commit e0c93228ee
1 changed files with 14 additions and 9 deletions
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23
lib/then.js
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@ -1,16 +1,21 @@
var Gun = Gun || require('../gun');
var Gun = (typeof window !== "undefined")? window.Gun : require('../gun');
// Returns a gun reference in a promise and then calls a callback if specified
Gun.chain.promise = function(cb) {
var gun = this, cb = cb || function(ctx) { return ctx };
return (new Promise(function(res, rej) {
gun.val(function(data, key){
res({put: data, get: key, gun: this});
gun.once(function(data, key){
res({put: data, get: key, gun: this}); // gun reference is returned by promise
});
})).then(cb);
})).then(cb); //calling callback with resolved data
};
Gun.chain.then = function(cb) {
return this.promise(function(res){
return cb? cb(res.put) : res.put;
});
};
// Returns a promise for the data, key of the gun call
Gun.chain.then = function() {
var gun = this;
return (new Promise((res, rej)=>{
gun.once(function (data, key) {
res(data, key); //call resolve when data is returned
})
}))
};