typescript
By Paul Krill With newly introduced Deno 1.43, the developers of the JavaScript/TypeScript runtime have enhanced its language server, speeding up auto-completion performance and improving memory consumption. Introduced May 1, Deno 1.43 can be accessed via running the deno upgrade command in a terminal. Deno Land developers have reworked many aspects of the Deno language server, commonly referred to as Deno LSP, which provides auto-completion in the editor and other capabilities. With Deno 1.43, auto-completion now takes less than one second in larger projects when it used to take six to eight ...
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By Paul Krill TypeScript 5.5, the latest version of Microsoft’s strongly typed JavaScript variant, has arrived in beta with improvements ranging from performance and size optimizations to regular expression checking. The TypeScript 5.5 beta was introduced April 25 and can be accessed through Nuget or the following command: npm -D typescript@beta. A release candidate is due June 4, and the final release is planned for June 18. TypeScript 5.5 has a long a list of improvements. For performance and size, monomorphization work has been done for the language service and public API. With monomorphism...
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By Paul Krill ECMAScript 2024, a planned update to ECMA’s standard for JavaScript, is set to include seven new features ranging from array grouping to Unicode strings. The 2024 specification, from ECMA’s Technical Committee 39, is expected to be approved in June. Among the list of finished features cited for publication this year is a proposal for array grouping. Motivating this proposal is the notion that array grouping is a common operation best exemplified by SQL’s GROUP BY clause and mapreduce programming. The ability to combine like data into groups lets developers compute higher order da...
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By Paul Krill The developers of the Deno TypeScript/JavaScript runtime have reduced the size of deno compile binaries and introduced an official Linux ARM64 build with the newly released Deno 1.41 version. This latest release of the Node.js rival was unveiled February 22. Users can upgrade their Deno installation by running the following command in the terminal: deno upgrade Deno Land said the binaries produced by the deno compile command in Deno 1.41 are as much as 50% smaller than in previous versions. A “Hello World” program compiled to a 116MB binary on Mac ARM in Deno 1.40 compiled to jus...
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By Paul Krill TypeScript 5.4, a planned update to the strongly typed JavaScript variant from Microsoft, has graduated to the release candidate stage. New capabilities in version 5.4 include preserved narrowing within function closures created after the last assignment and a NoInfer type to block inferences to valid but unwanted types. The release candidate was published February 22, following a beta release from January 29. A final release is expected March 5. TypeScript 5.4 can be accessed via NuGet or NPM. In NPM, use the following command: npm install -D typescript@rc Since the beta release...
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