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•Created by Kas.st on 10/18/2024 in #help

Deno.readFile broken?

For some reason I can't read a file with Deno.readFile. I've tried relative and absolute paths. I can cat the file without issues. Here's the relevant snippet:

...
async function fixImport(
  file: string,
  line: number,
  char: number,
  broken: string
) {
  const fixed = broken + ".ts";

  // open the file and replace 'broken' with 'fixed'
  const relative = file.replace(Deno.cwd(), ".");

  const decoder = new TextDecoder();
  const bytes = await Deno.readFile(relative);
  const content = decoder.decode(bytes);

  ...
}
...

...
async function fixImport(
  file: string,
  line: number,
  char: number,
  broken: string
) {
  const fixed = broken + ".ts";

  // open the file and replace 'broken' with 'fixed'
  const relative = file.replace(Deno.cwd(), ".");

  const decoder = new TextDecoder();
  const bytes = await Deno.readFile(relative);
  const content = decoder.decode(bytes);

  ...
}
...

and the output including cat:

root@2da2d8303d16:/secretproject/frontend/datalayer# deno run fix:imports
Task fix:imports deno run --allow-read --allow-write --allow-env --allow-net --allow-run fix.imports.ts
🔍 found broken import "/secretproject/frontend/datalayer/datalayer/core/rest/schemas.gen" in "/secretproject/frontend/datalayer/datalayer/core/rest/index.ts" (2:15)
error: Uncaught (in promise) NotFound: No such file or directory (os error 2): readfile './datalayer/core/rest/index.ts'
  const bytes = await Deno.readFile(relative);
                           ^
    at Object.readFile (ext:deno_fs/30_fs.js:747:24)
    at fixImport (file:///secretproject/frontend/datalayer/fix.imports.ts:13:28)
    at file:///secretproject/frontend/datalayer/fix.imports.ts:55:13
    at eventLoopTick (ext:core/01_core.js:175:7)
root@2da2d8303d16:/secretproject/frontend/datalayer# cat ./datalayer/core/rest/index.ts
// This file is auto-generated by @hey-api/openapi-ts
export * from "./schemas.gen";
export * from "./services.gen";
export * from "./types.gen";

root@2da2d8303d16:/secretproject/frontend/datalayer# deno run fix:imports
Task fix:imports deno run --allow-read --allow-write --allow-env --allow-net --allow-run fix.imports.ts
🔍 found broken import "/secretproject/frontend/datalayer/datalayer/core/rest/schemas.gen" in "/secretproject/frontend/datalayer/datalayer/core/rest/index.ts" (2:15)
error: Uncaught (in promise) NotFound: No such file or directory (os error 2): readfile './datalayer/core/rest/index.ts'
  const bytes = await Deno.readFile(relative);
                           ^
    at Object.readFile (ext:deno_fs/30_fs.js:747:24)
    at fixImport (file:///secretproject/frontend/datalayer/fix.imports.ts:13:28)
    at file:///secretproject/frontend/datalayer/fix.imports.ts:55:13
    at eventLoopTick (ext:core/01_core.js:175:7)
root@2da2d8303d16:/secretproject/frontend/datalayer# cat ./datalayer/core/rest/index.ts
// This file is auto-generated by @hey-api/openapi-ts
export * from "./schemas.gen";
export * from "./services.gen";
export * from "./types.gen";

12 replies

TTCTheo's Typesafe Cult

•Created by Kas.st on 8/29/2024 in #questions

Debugging node_modules in VS Code of a Next.js app

I'm trying to set breakpoints inside an installed package, but the breakpoints are unbound, since the dependencies are bundled with webpack. I'm using the following lauch.json taken from https://nextjs.org/docs/pages/building-your-application/configuring/debugging#debugging-with-vs-code

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Next.js: debug server-side",
      "type": "node-terminal",
      "request": "launch",
      "command": "npm run dev"
    },
    {
      "name": "Next.js: debug client-side",
      "type": "chrome",
      "request": "launch",
      "url": "http://localhost:3000"
    },
    {
      "name": "Next.js: debug full stack",
      "type": "node",
      "request": "launch",
      "program": "${workspaceFolder}/node_modules/.bin/next",
      "runtimeArgs": ["--inspect"],
      "skipFiles": ["<node_internals>/**"],
      "serverReadyAction": {
        "action": "debugWithEdge",
        "killOnServerStop": true,
        "pattern": "- Local:.+(https?://.+)",
        "uriFormat": "%s",
        "webRoot": "${workspaceFolder}"
      }
    }
  ]
}

{
  "version": "0.2.0",
  "configurations": [
    {
      "name": "Next.js: debug server-side",
      "type": "node-terminal",
      "request": "launch",
      "command": "npm run dev"
    },
    {
      "name": "Next.js: debug client-side",
      "type": "chrome",
      "request": "launch",
      "url": "http://localhost:3000"
    },
    {
      "name": "Next.js: debug full stack",
      "type": "node",
      "request": "launch",
      "program": "${workspaceFolder}/node_modules/.bin/next",
      "runtimeArgs": ["--inspect"],
      "skipFiles": ["<node_internals>/**"],
      "serverReadyAction": {
        "action": "debugWithEdge",
        "killOnServerStop": true,
        "pattern": "- Local:.+(https?://.+)",
        "uriFormat": "%s",
        "webRoot": "${workspaceFolder}"
      }
    }
  ]
}

Does anyone know how I can setup proper debugging of not just my code but also the node modules?

2 replies

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