Bump esbuild from 0.14.29 to 0.14.31

[dependabot]

Bumps esbuild from 0.14.29 to 0.14.31.

Release notes

Sourced from esbuild's releases.

v0.14.31

• Add support for parsing "optional variance annotations" from TypeScript 4.7 (#2102)

  The upcoming version of TypeScript now lets you specify in and/or out on certain type parameters (specifically only on a type alias, an interface declaration, or a class declaration). These modifiers control type paramemter covariance and contravariance:

  type Provider<out T> = () => T;
  type Consumer<in T> = (x: T) => void;
  type Mapper<in T, out U> = (x: T) => U;
  type Processor<in out T> = (x: T) => T;

  With this release, esbuild can now parse these new type parameter modifiers. This feature was contributed by @​magic-akari.

• Improve support for super() constructor calls in nested locations (#2134)

  In JavaScript, derived classes must call super() somewhere in the constructor method before being able to access this. Class public instance fields, class private instance fields, and TypeScript constructor parameter properties can all potentially cause code which uses this to be inserted into the constructor body, which must be inserted after the super() call. To make these insertions straightforward to implement, the TypeScript compiler doesn't allow calling super() somewhere other than in a root-level statement in the constructor body in these cases.

  Previously esbuild's class transformations only worked correctly when super() was called in a root-level statement in the constructor body, just like the TypeScript compiler. But with this release, esbuild should now generate correct code as long as the call to super() appears anywhere in the constructor body:

  // Original code
  class Foo extends Bar {
    constructor(public skip = false) {
      if (skip) {
        super(null)
        return
      }
      super({ keys: [] })
    }
  }
  // Old output (incorrect)
  class Foo extends Bar {
  constructor(skip = false) {
  if (skip) {
  super(null);
  return;
  }
  super({ keys: [] });
  this.skip = skip;
  }
  }
  // New output (correct)
  class Foo extends Bar {
  constructor(skip = false) {
  var __super = (...args) => {
  super(...args);
  this.skip = skip;

... (truncated)

Changelog

Sourced from esbuild's changelog.

0.14.31

• Add support for parsing "optional variance annotations" from TypeScript 4.7 (#2102)

  The upcoming version of TypeScript now lets you specify in and/or out on certain type parameters (specifically only on a type alias, an interface declaration, or a class declaration). These modifiers control type paramemter covariance and contravariance:

  type Provider<out T> = () => T;
  type Consumer<in T> = (x: T) => void;
  type Mapper<in T, out U> = (x: T) => U;
  type Processor<in out T> = (x: T) => T;

  With this release, esbuild can now parse these new type parameter modifiers. This feature was contributed by @​magic-akari.

• Improve support for super() constructor calls in nested locations (#2134)

  In JavaScript, derived classes must call super() somewhere in the constructor method before being able to access this. Class public instance fields, class private instance fields, and TypeScript constructor parameter properties can all potentially cause code which uses this to be inserted into the constructor body, which must be inserted after the super() call. To make these insertions straightforward to implement, the TypeScript compiler doesn't allow calling super() somewhere other than in a root-level statement in the constructor body in these cases.

  Previously esbuild's class transformations only worked correctly when super() was called in a root-level statement in the constructor body, just like the TypeScript compiler. But with this release, esbuild should now generate correct code as long as the call to super() appears anywhere in the constructor body:

  // Original code
  class Foo extends Bar {
    constructor(public skip = false) {
      if (skip) {
        super(null)
        return
      }
      super({ keys: [] })
    }
  }
  // Old output (incorrect)
  class Foo extends Bar {
  constructor(skip = false) {
  if (skip) {
  super(null);
  return;
  }
  super({ keys: [] });
  this.skip = skip;
  }
  }
  // New output (correct)
  class Foo extends Bar {
  constructor(skip = false) {
  var __super = (...args) => {
  super(...args);

... (truncated)

Commits

• c02c99f publish 0.14.31 to npm
• 4a6f64c feat: add more CSS-wide keywords in font-family (#2135)
• 6cf0323 feat: support @​container (#2127)
• e09acfc reuse default name in export default class
• 494e2dc fix edge case where all class fields are undefined
• 5447e9d fix #2134: nested super() in class transform
• 9f0b45f prepare for visitClass to return multiple values
• e550fae internal: avoid unnecessary call target checks
• 8351c41 add support of TS Optional variance annotations (#2102)
• cbe80de update @font-palette-values test to latest spec
• Additional commits viewable in compare view

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