Build error during deployment

[nathanmartin]

@CharlesXstorm

but it seems Netlify’s build sees warnings as errors and it fails immediately.

That is the case by default, but these lines in your log:

12:35:25 PM: build.command from netlify.toml                               
12:35:25 PM: ────────────────────────────────────────────────────────────────
12:35:25 PM: ​
12:35:25 PM: $ CI= npm run build

Indicates that your netlify.toml build command is CI= npm run build, which disables that behavior.

It’s setting the CI value to false

See:

New CI=true build configuration, "Treating warnings as errors because process.env.CI = true"

Beginning on June 15, 2020 Netlify will start a gradual rollout of adding the environment variable CI to build environments, with the value of true . This environment variable, short for Continuous Integration, is commonly set in various CI environments like Travis CI and Github Actions, among many others. The ecosystem has largely agreed to use this environment setting to detect when a build is executing in a CI environment, as opposed to a local development environment. This setting allows…