Tag Archives: import

ESNext: Import Assertions (JSON Modules, CSS Modules, …)

Did you know you can import JSON and CSS files just like you import JavaScript Modules? Thanks to Import Assertions, it’s as easy as this: Building upon "Import Assertions" we recently saw JSON Modules land in V8/Chromium 91: “`import json from './foo.json' assert { type: 'json' };“` In Chromium 93 the same thing for CSS …

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Support Import Maps in any browser with es-module-shims

JavaScript Import Maps – which I wrote about earlier here — are a great addition to the web. Unfortunately they’re only supported in Chromium 89+. Thankfully there’s a polyfill available: es-module-shims. As long as your browser has baseline ES Module Support (Chrome 61+, Firefox 60+, Safari 10.1+, and Edge 17+) the polyfill will work. To …

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Control the behavior of JavaScript imports with Import Maps

Shipping in Chrome 89 are Import Maps, which allows control over what URLs get fetched when importing modules. Let’s take a look at this very welcome addition. When importing ES Modules (on the web), you need to refer to them using their full filenames or URLs: import moment from “/js/moment/moment.js”; import { partition } from …

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