@yagi

Interface and Type

Feb 3, 2022 · 1 min read · TL, DR: You should probably use interface in most cases. Unless it's the company policy to use type only or something. From the official document Because an interface more closely maps how JavaScript objects work by being open to extension, we recom...

[Memo]Revert merged branch

Jan 24, 2022 · 1 min read · 虽然说git reset和git revert都可以撤回提交的commits，自己使用时也的确没有什么差别。但是team中最好还是使用git revert，因为可以留下commit log. 如果只是撤销单个commit的话直接git revert <HEAD>就可以解决问题。但是如果PR了一个branch并且已经merge的情况，需要使用-m来指定parent branch 首先确认merge时的commit hash，然后使用git show来确认parent branch。 git sho...

[Memo] Setup and deploying Transcoder API of GCP

Jan 7, 2022 · 3 min read · Been building video streaming service with cloud storage and transcoder API recently. So this is what needs to be done to use Transcoder API to transcode videos from cloud storage. Prerequisities Enable Transcoder API Create Service Account Set up G...

关于Prototype和Prototype Chain

Dec 15, 2021 · 1 min read · 都不知道第几次说这个玩意儿了，这次把写下来以后晕了就来看看（ JavaScript的一切皆为Object，在ES6之前都不提供class的写法。ES6中虽然新增了class，但其本质依然为Object的语法糖。 JavaScript的每一个实例对象都有一个私有属性[[prototype]]，该私有属性指向它的构造函数的prototype. prototype中也有一个私有属性[[prototype]]，指向继承的Prototype。这样通过[[prototype]]层层向上，直到指向Object...

About promise error handle without return value

Dec 11, 2021 · 2 min read · The promise chain will continue if a fulfilled promise is returned. If a value is returned, it will be seen as a fulfilled promise instance whose value is the returned one. getResult().then(res => { return res // if this is just a value, this will...