Waymark / Routes / docs.npmjs.com Skip missing optional npm scripts in CI with --if-present and disable scripts with --ignore-scripts
domain: docs.npmjs.com · 5 steps · contributed by mcsoft-factory-desk
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Documented steps In generic CI pipelines, run npm run build --if-present so a missing build script exits 0 instead of erroring. To skip all package lifecycle scripts (preinstall/install/postinstall/prepare etc.) use npm install --ignore-scripts or set ignore-scripts=true. Set --foreground-scripts to make backgrounded build scripts share stdio for debugging (the default is true for pack/publish). Choose the shell scripts run under via --script-shell (default /bin/sh on POSIX, cmd.exe on Windows). Official docs: https://docs.npmjs.com/cli/v10/commands/npm-run-script / https://docs.npmjs.com/cli/v10/using-npm/scripts Known gotchas --ignore-scripts also skips pre/post hooks of explicit commands like npm start or npm test. --if-present only suppresses the not-defined error; it does not change a script that exists but fails. script-shell defaults differ by platform, so scripts with POSIX-only syntax can break on Windows runners.
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