![]() Lorem ipsum whatever lorem ipsum whatever lorem ipsum whatever You can use the same technique with images too! : "example image" If you find a bug, please report an, or better yet,įix it and submit a. The list won't render on the page, so visitors won't even know it's there, and it makes one convenient place to do updates. ![]() To make updates easier (not to mention, keeping things DRY), you can create a list of links at the bottom of the file, and reference them in multiple places by name. The normal way to create a link using markdown is this: ()īut what if you have a long Readme file or wiki page, and the same link is used in multiple places? If you take () with any () these tricks work in any markdown file, including new Issues, Pull Requests, and in the Wiki. ![]() Here's my top 5 (see them in action on GitHub too). about setting it up, how to contact the author, where to turn for help, etc.īut there are some little tricks you can take advantage of too, which most people wouldn't know about. It explains every token in your expression and speeds up the learning process.If you frequently use GitHub, then you know any directory with a Readme markdown file in it automagically displays it, making it a convenient place to let visitors know helpful information about a project. You can use RegExr to help build and test your own regex. The other expression used for height - (?<=h:\s?)\d - does the same, except we are looking for an h instead of w. So you check for an optional whitespace with \s?. In this case, the w: and digits are separated with a whitespace, but it can be left out ( w:600). The lookbehind checks that the string contains a w: substring before the digits. The expression only matches digits ( \d ) inside a given string, but with a positive lookbehind. Although regex can look scary, the (?<=w:\s?)\d expression can be explained in 2 parts. Speaking about regex, in JavaScript, it goes between / and /g. Finally, you set fallback values in case the alt text in Markdown doesn’t contain required properties.You extract width and heigh from the second substring using regex.You split the alt prop into two substrings and extract the actual alt text from first substring.That function receives img element attributes that you can extract from the props argument.You pass ReactMarkdown an object that maps img element to a function through its components prop.Then you can use Node’s File System module to read it.įor the sake of simplicity, I am storing the Markdown in a variable here. Usually you keep MDX content in a file with a. Let’s use next-mdx-remote to accomplish this. Another option is to use Contentlayer, which already has built-in MDX support. You can check out my article about adding MDX to a Next.js project to learn how to do that. In other words, you can use React components inside Markdown with MDX.įirst, you need to add MDX support to your project. The easiest way to use next/image in Markdown is to use MDX, since it allows you to use JSX inside Markdown. Now, let’s jump right into this challenge. You could also potentially change elements to next/image by hand using unified ecosystem, but that’s out of scope of this article. ![]()
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