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pzavolinsky / ts-unused-exports

ts-unused-exports finds unused exported symbols in your Typescript project

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Unknown compiler option ignoreDeprecations - Cannot parse tsconfig.json

fev4 opened this issue · comments

commented

Hey there!

Just recently found this library and wanted to give it a go.

I'm receiving a very long error after running:

ts-unused-exports tsconfig.json

Here's the error:

Click me 
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{\n\t\t\"paths\": {\n\t\t\t\"$lib\": [\n\t\t\t\t\"../src/lib\"\n\t\t\t],\n\t\t\t\"$lib/*\": [\n\t\t\t\t\"../src/lib/*\"\n\t\t\t]\n\t\t},\n\t\t\"rootDirs\": [\n\t\t\t\"..\",\n\t\t\t\"./types\"\n\t\t],\n\t\t\"importsNotUsedAsValues\": \"error\",\n\t\t\"isolatedModules\": true,\n\t\t\"preserveValueImports\": true,\n\t\t\"lib\": [\n\t\t\t\"esnext\",\n\t\t\t\"DOM\",\n\t\t\t\"DOM.Iterable\"\n\t\t],\n\t\t\"moduleResolution\": \"node\",\n\t\t\"module\": \"esnext\",\n\t\t\"target\": \"esnext\",\n\t\t\"ignoreDeprecations\": \"5.0\"\n\t},\n\t\"include\": [\n\t\t\"ambient.d.ts\",\n\t\t\"./types/**/$types.d.ts\",\n\t\t\"../vite.config.ts\",\n\t\t\"../src/**/*.js\",\n\t\t\"../src/**/*.ts\",\n\t\t\"../src/**/*.svelte\",\n\t\t\"../tests/**/*.js\",\n\t\t\"../tests/**/*.ts\",\n\t\t\"../tests/**/*.svelte\"\n\t],\n\t\"exclude\": 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It's not recognizing the option ignoreDeprecations.

My current set up is:

  • SvelteKit: 1.19.0
  • Typescript: 5.0.4

My tsconfig file looks like this:

Click me 
{
  "extends": "./.svelte-kit/tsconfig.json",
  "compilerOptions": {
    "allowJs": true,
    "checkJs": true,
    "esModuleInterop": true,
    "strictNullChecks": true,
    "forceConsistentCasingInFileNames": true,
    "resolveJsonModule": true,
    "skipLibCheck": true,
    "sourceMap": true,
    "plugins": [
      {
        "name": "typescript-svelte-plugin"
      }
    ]
  }
}

Notice the extends, this points to a default TSConfig file by SvelteKit (this is where the ignoreDeprecations is present):

Click me 
{
	"compilerOptions": {
		"paths": {
			"$lib": [
				"../src/lib"
			],
			"$lib/*": [
				"../src/lib/*"
			]
		},
		"rootDirs": [
			"..",
			"./types"
		],
		"importsNotUsedAsValues": "error",
		"isolatedModules": true,
		"preserveValueImports": true,
		"lib": [
			"esnext",
			"DOM",
			"DOM.Iterable"
		],
		"moduleResolution": "node",
		"module": "esnext",
		"target": "esnext",
		"ignoreDeprecations": "5.0"
	},
	"include": [
		"ambient.d.ts",
		"./types/**/$types.d.ts",
		"../vite.config.ts",
		"../src/**/*.js",
		"../src/**/*.ts",
		"../src/**/*.svelte",
		"../tests/**/*.js",
		"../tests/**/*.ts",
		"../tests/**/*.svelte"
	],
	"exclude": [
		"../node_modules/**",
		"./[!ambient.d.ts]**",
		"../src/service-worker.js",
		"../src/service-worker.ts",
		"../src/service-worker.d.ts"
	]
}

Not sure how to proceed at this point. Tried looking for a similar issue but doesn't look like there's one like that.

commented

This looks like a TypeScript 5 only setting.

Currently, ts-unused-exports is on TypeScript 4.

Need to check, can we support TS5 whilst still supporting 4 (at least, for now ...)