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Error: Cannot find module 'ajv/dist/compile/codegen' #385

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developer-73 opened this issue Mar 30, 2023 · 2 comments
Open

Error: Cannot find module 'ajv/dist/compile/codegen' #385

developer-73 opened this issue Mar 30, 2023 · 2 comments

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@developer-73
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developer-73 commented Mar 30, 2023

I am facing this build error in "ajv-keywords" after installing packages with npm install --legacy-peer-deps
Error: Cannot find module 'ajv/dist/compile/codegen'

Background:

Consider the following dependency trees:

Notice: with npm install --legacy-peer-deps (1st tree) gives incorrect tree structure and not with npm install (2nd one).

npm install --legacy-peer-deps results in following error on npm run build:

Error: Cannot find module 'ajv/dist/compile/codegen'

I have prepared a repo at https://github.com/developer-73/ajv-peerdep-issue.
I am using following devDependencies ::

"babel-loader": "9.1.2",
"eslint": "8.36.0"

  • [email protected] depends on avj@^6.12.4
  • babel-loader@^9.1.2 depends on schema-utils@^4.0.0 which further depends on :
    ajv@^8.8.0 and ajv-keywords@^5.0.0, where ajv-keywords has a peer dependency on ajv@^8.8.0

Run npm install --legacy-peer-deps and notice the incorrect tree structure in node_modules i.e. [email protected]
gets hoisted on the root level of node_modules and is using incorrect version of [email protected].
This is a problem because the hoisted ajv-keywords@^5.0.0 will not have its peer dependency on ajv@^8.8.0 met.

Note: This works correctly on npm < 7

Possible solution: Can you please add "ajv" as your packages dependencies instead of devDependency? This will ensure "ajv-keywords" to get latest "ajv" version

**Environment**
npm: 8.19.4
Node.js: 18.15.0
OS Name: Mac OS
@developer-73 developer-73 changed the title Add "ajv" as its dependency instead of devDependency Error: Cannot find module 'ajv/dist/compile/codegen' Mar 30, 2023
GuiDevloper added a commit to GuiDevloper/nullstack-adapters that referenced this issue Jun 9, 2023
Remove `ajv` npm dep fix for [this](ajv-validator/ajv-keywords#385) applied today because of TurboCLI used by StackBlitz. Reason: exactly today they deprecated it and opted in using native npm 🤡
@parker-siroishka
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I seem to be encountering the very same issue you have. Were you able to find a fix for it?

@s100
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s100 commented Feb 22, 2024

In order to prevent this disagreement at the top level of node_modules, I have found that a workaround is to manually add dependencies on specific, agreeing versions of schema-utils, ajv and ajv-keywords.

So in your package.json under "dependencies" or "devDependencies", try adding either:

"schema-utils": "^3.3.0",
"ajv": "^6.12.6",
"ajv-keywords": "^3.5.2",

or:

"schema-utils": "^4.2.0",
"ajv": "^8.12.0",
"ajv-keywords": "^5.1.0",

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