fix(ts): ensure typechecks pass without peer deps installed

- @ts-* comments are meaningful comments, but typescript does not preserve them 🙃🙄
- re-implemented 779cddf as build plugin
- microsoft/TypeScript#38628
- microsoft/TypeScript#38628 (comment)

Signed-off-by: Lexus Drumgold <[email protected]>

build.config.ts

@@ -4,6 +4,7 @@
  */
 
 import { defineBuildConfig, type Config } from '@flex-development/mkbuild'
+import type { BuildResult, PluginBuild } from 'esbuild'
 import pkg from './package.json' assert { type: 'json' }
 
 /**
@@ -13,7 +14,40 @@ import pkg from './package.json' assert { type: 'json' }
  */
 const config: Config = defineBuildConfig({
  entries: [
- { dts: 'only' },
+ {
+ dts: 'only',
+ plugins: [
+ {
+ name: 'ts-ignore-peers',
+ setup({ onEnd }: PluginBuild): void {
+ return void onEnd((result: BuildResult<{ write: false }>): void => {
+ const { outputFiles } = result
+
+ /**
+ * Regular expression used to insert `// @ts-ignore` above
+ * property declarations.
+ *
+ * @const {RegExp} regex
+ */
+ const regex: RegExp = /\n( +)(.+?\??: )(import\('node-fetch'\).+)/
+
+ /**
+ * Property declaration with `// @ts-ignore` prepended.
+ *
+ * @const {string} replacement
+ */
+ const replacement: string =
+ '\n$1// @ts-ignore peer dependency\n$1$2$3'
+
+ return void (result.outputFiles = outputFiles.map(output => ({
+ ...output,
+ text: output.text.replace(regex, replacement)
+ })))
+ })
+ }
+ }
+ ]
+ },
  {
  dts: false,
  pattern: ['**/index.ts', 'enums/*', 'internal/*', 'utils/*'],

src/interfaces/options-get-format.ts

@@ -74,7 +74,6 @@ interface GetFormatOptions {
  *
  * @default {}
  */
- // @ts-ignore peer dependency
  req?: import('node-fetch').RequestInit | undefined
 }
 

src/interfaces/options-get-source.ts

@@ -52,7 +52,6 @@ interface GetSourceOptions {
  *
  * @default {}
  */
- // @ts-ignore peer dependency
  req?: import('node-fetch').RequestInit | undefined
 }