Episode Details

In this episode of Syntax, Wes and Scott talk through new and proposed JavaScript APIs including ones related to regex, sourcemaps, structured clone, temporal, JSON modules, and more!

• 00:10 Welcome
• 01:26 Syntax Brought to you by Sentry
• 02:55 RegExp Escaping Proposal
• tc39/proposal-regex-escaping: Proposal for investigating RegExp escaping for the ECMAScript standard
• 05:25 Intl.DurationFormat
• tc39/proposal-intl-duration-format
• 07:55 Standardized Sourcemaps
• tc39/source-map-rfc: RFCs for the source map debug format.
• 10:43 Structured Clone
• structuredClone() global function - Web APIs | MDN
• 12:54 Temporal
• Hasty Treat - Temporal Date Objects in JavaScript
• Tracking issue for syncing with IETF standardization work (req’d before implementers can ship unflagged) · Issue #1450 · tc39/proposal-temporal
• 20:59 FindLast and findLastIndex
• tc39/proposal-array-find-from-last: Proposal for Array.prototype.findLast and Array.prototype.findLastIndex.
• 22:27 JSON modules
• tc39/proposal-json-modules: Proposal to import JSON files as modules
• 24:46 Regex Modifiers
• RegExp Modifiers - June 2022.pptx - Microsoft PowerPoint Online
• 26:50 Array Grouping
• tc39/proposal-array-grouping: A proposal to make grouping of array items easier
• 30:48 Array Methods
• tc39/proposal-change-array-by-copy: Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.
• 6 or so New Approved and Proposed JavaScript APIs
• 32:12 Promise.withResolvers
• 35:08 Function.prototype.memo
• tc39/proposal-function-memo: A TC39 proposal for function memoization in the JavaScript language.
• 37:48 Node has a Proposed ESM Detection flag
• 39:54 Nod