Ensure new-user TypeScript experience is good

[kategengler]

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[NullVoxPopuli]

Todos:

• [Bug] ember g component-class foo does not generate a component signature in a TypeScript project ember.js#20598

Glint

• Enable Glint by Default rfcs#976 (since tsserver doesn't work on gjs/gts)
  • Needs Fixed/Resolved
  • GJS parsed as JSX typed-ember/glint#694
  • auto-import / import-suggestions only work on gts files typed-ember/glint#692
  • Goto Definition only works in gts files typed-ember/glint#676
  • Glint doesn’t support multiple Typescript extends typed-ember/glint#672
  • provide completions for element tag names typed-ember/glint#667
  • *Like-bug: (ModifierLike, ComponentLike, etc?) When using WithBoundArgs, Type instantiation is excessively deep and possibly infinite (requiring glint-ignore/expect-error to move forward in a project) typed-ember/glint#661
  • --watch reports errors when normal build does not typed-ember/glint#649
  • {{#each-in}} breaks if used with a Map typed-ember/glint#645
  • Activate on gjs files typed-ember/glint#633
  • Import of .gts emits broken declarations typed-ember/glint#628
  • Quest: let's forward _all_ the ServerCapabilities to tsserver typed-ember/glint#626
  • Bug?: "Unclosed element pre, when <pre> is mentioned in test name of gts test file typed-ember/glint#617
  • Syntax error in tsconfig.json causes out-of-memory error typed-ember/glint#614
  • Use content-tag in @glint/environment-ember-template-imports typed-ember/glint#609
  • LSP Suggestions typed-ember/glint#604
  • glint --declaration fails to create declaration files when @glint-ignore, @glint-expect-error, or @glint-nocheck is used typed-ember/glint#599
  • @glint-expect-error cannot suppress errors from MustacheStatement in AttrNode  typed-ember/glint#589
  • Component helper with {{#let}} not playing well with components that accept and yield generics typed-ember/glint#575
  • VSCode completion after disabling the builtin typescript extension typed-ember/glint#506
  • "Go to symbol in editor" in Code does not work if built-in TS disabled typed-ember/glint#271
  • More autocompletion typed-ember/glint#121

Nice to have

• Option to not clear the screen when in watch mode? typed-ember/glint#597
• Allow inline component signatures on first-class, template-only components typed-ember/glint#387

[bertdeblock]

@NullVoxPopuli PR that should fix the first TODO: emberjs/ember.js#20645.

[bertdeblock]

Noticed that ember-modifier doesn't support TS blueprints yet.

[bertdeblock]

@NullVoxPopuli First TODO in your comment can be ticked off.

[bertdeblock]

PR for ember-modifier => ember-modifier/ember-modifier#853.