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Tag: web development

Sharepoint: List ‘Site Pages’ does not exist at site

Sharepoint: List ‘Site Pages’ does not exist at site

I recently got this error from Sharepoint Online, when trying to fetch a site’s list using https://pnp.github.io/pnpjs/: The code resulting in the error was this: After spending (too much) time troubleshooting this, it turned out to be a language settings mismatch: The site I was connect to was set up with Norwegian as the default language, which means that the list isn’t called “Site Pages” but rather “Områdesider”. So apparently, when fetching lists from sites you must account for site’s…

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Sharepoint Online: Custom web part that display news only from followed sites

Sharepoint Online: Custom web part that display news only from followed sites

At work we rolling out our new Intranet based on Sharepoint Online. While the news web part shipped with the platform works pretty well, we found that we had some requirements that combined didn’t make is a good fit: All news should be available to logged in user News are aggregated from intranet related sites the users follow Users can not opt out from receiving news from their own department With these requirements in mind, we decided to implement our…

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Storing valid, sanitised HTML in database to mitigate malicious code injection

Storing valid, sanitised HTML in database to mitigate malicious code injection

In a typical cross-site scripting (XSS) attack, the hacker submit a HTML form which include malicious code. When another user visit the page in which this data is rendered, the malicious code is executed. There are at least a couple of ways to mitigate this risk: When the hacker submit the HTML form, any malicious code is removed before storing the data in the database When retrieving data from the database, removing any malicious code before rendering it on the…

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React: Auto scroll when overflow

React: Auto scroll when overflow

I recently had an issue with an React app, in which contents was added to the bottom of an area – a <div> element with the CSS property overflow: scroll; set – on the screen. I wanted the app to automatically scroll to the latest element. I found this post on StackOverflow which seemed to be what I needed, and while the auto scroll feature did work it was kind of our of sync with the content. I figured the…

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