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fix(csv-demo-ts-cjs-node16): upgrade module definition after latest t…
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,65 @@ | ||
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| # TypeScript with CommonJS and moduleresolution set to node16 | ||
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| This demo is created after issue #354. The package is defined as CommonJS. The code, written in TypeScript, import each CSV packages, for example with `import { parse, Parser } from 'csv-parse';`. | ||
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| ## Original error | ||
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| The original issue describes how TypeScript failed to import from a CommonJS package. For example with `tsc`: | ||
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| ```bash | ||
| $ tsc | ||
| main.ts:1:23 - error TS1471: Module 'csv-parse' cannot be imported using this construct. The specifier only resolves to an ES module, which cannot be imported synchronously. Use dynamic import instead. | ||
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| 1 import { parse } from 'csv-parse'; | ||
| ~~~~~~~~~~~ | ||
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| Found 1 error in main.ts:1 | ||
| ``` | ||
| To fix this, the demo used the following `tsconfig.json` file: | ||
| ```json | ||
| { | ||
| "compilerOptions": { | ||
| "esModuleInterop": true, | ||
| "module": "CommonJS", | ||
| "moduleResolution": "node16", | ||
| "strict": true | ||
| } | ||
| } | ||
| ``` | ||
| ## Second error | ||
| After the upgrade of TypeScript from version `^5.1.6` to `^5.2.2`, a new error is thrown: | ||
| ```bash | ||
| $ yarn test | ||
| yarn run v1.22.19 | ||
| $ tsc --noEmit | ||
| tsconfig.json:4:15 - error TS5110: Option 'module' must be set to 'Node16' when option 'moduleResolution' is set to 'Node16'. | ||
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| 4 "module": "CommonJS", | ||
| ~~~~~~~~~~ | ||
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| Found 1 error in tsconfig.json:4 | ||
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| error Command failed with exit code 2. | ||
| ``` | ||
| To fix this, the demo now uses the following `tsconfig.json` file: | ||
| ```json | ||
| { | ||
| "compilerOptions": { | ||
| "esModuleInterop": true, | ||
| "module": "node16", | ||
| "moduleResolution": "node16", | ||
| "strict": true | ||
| } | ||
| } | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,8 +1,8 @@ | ||
| { | ||
| "compilerOptions": { | ||
| "esModuleInterop": true, | ||
| "module": "CommonJS", | ||
| "moduleResolution": "node16", | ||
| "module": "Node16", | ||
| "moduleResolution": "Node16", | ||
| "strict": true | ||
| } | ||
| } |
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