September 2018
Intermediate to advanced
328 pages
9h 10m
English
Content preview from Learn WebAssembly
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Building the application
In the case of this application, building refers to compiling the lib/main.c to a .wasm file using the emcc command. Since this is a Node.js project, we can use the scripts key in our package.json file to define Tasks. You can still use VS Code's Tasks feature because it automatically detects the scripts from your package.json file and presents them in the list of tasks when you select Tasks | Run Task... from the menu. The following code contains the contents of the scripts section in this project's package.json file:
"scripts": { "prebuild": "rimraf src/assets/main.wasm", "build": "emcc lib/main.c -Os -s WASM=1 -s SIDE_MODULE=1 -s BINARYEN_ASYNC_COMPILATION=0 -s ALLOW_MEMORY_GROWTH=1 -o src/assets/main.wasm", "start": ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.