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assured
Advanced tools
Readme
Combine promises and callbacks together.
# Using npm
npm install --save assured
# Using yarn
yarn add assured
const assured = require("assured");
let foo = (age, cb) => {
// Swap the callback function
if (typeof age === "function") {
cb = age;
}
// Proxy the callback function
cb = assured(cb);
// Validate the age
if (typeof age !== "number") {
cb(new Error("Invalid age."));
} else {
// Do something async
setTimeout(() => {
cb(null, `The provided age is ${age}`);
}, 100);
}
// Return the promise
return cb._;
}
// Callback interface + error
foo(err => console.log(err));
// => [Error: Invalid age.]
// Callback interface + success
foo(42, (err, data) => console.log(err, data));
// => null 'The provided age is 42'
// Promise interface + error
foo().then(x => {
console.log("Success: ", x);
}).catch(e => {
console.log("Error: ", e);
// => Error: [Error: Invalid age.]
});
// Promise + Success
foo(42).then(x => {
console.log("Success: ", x);
}).catch(e => {
console.log("Error: ", e);
});
// Async - Await
(async () => {
const res = await foo(32)
console.log(res);
})()
There are few ways to get help:
assured(fn, p)
Proxies the callback function.
fn
: The callback function to proxy.p
: A custom promise constructor (default: the built-in Promise
).resolver
(Function): The promise resolver.assuredResolve
(Function): The resolve method.assuredReject
(Function): The reject method._
(Promise): The promise object (used to return
from your function).Have an idea? Found a bug? See how to contribute.
I open-source almost everything I can, and I try to reply to everyone needing help using these projects. Obviously, this takes time. You can integrate and use these projects in your applications for free! You can even change the source code and redistribute (even resell it).
However, if you get some profit from this or just want to encourage me to continue creating stuff, there are few ways you can do it:
Starring and sharing the projects you like :rocket:
—I love books! I will remember you after years if you buy me one. :grin: :book:
—You can make one-time donations via PayPal. I'll probably buy a coffee tea. :tea:
—Set up a recurring monthly donation and you will get interesting news about what I'm doing (things that I don't share with everyone).
Bitcoin—You can send me bitcoins at this address (or scanning the code below): 1P9BRsmazNQcuyTxEqveUsnf5CERdq35V6
Thanks! :heart:
If you are using this library in one of your projects, add it in this list. :sparkles:
scrape-it
tinyreq
fn-result
fs-file-tree
bloggify-plugin-loader
bloggify-plugin-class
scrape-it-plus
@slikts/scrape-it
csv-it
FAQs
Combine promises and callbacks together.
The npm package assured receives a total of 9,148 weekly downloads. As such, assured popularity was classified as popular.
We found that assured demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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