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Allow abstracting over process.env - #3993
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Pull request overview
This PR introduces a small abstraction layer over environment access to avoid hard-coding process.env in places that need to be testable, and begins standardizing GitHub Actions environment variable names via an enum.
Changes:
- Add an
Envinterface andgetEnv(...)helper to abstract reads fromprocess.env(or a provided env map). - Split env-var access helpers into
*From(env, ...)variants plusprocess.envwrappers. - Add
ActionsEnvVarsenum and update some call sites/tests to use it instead of raw strings.
Show a summary per file
| File | Description |
|---|---|
| src/util.ts | Adds Env adapter and env accessor helpers that can take a NodeJS.ProcessEnv. |
| src/environment.ts | Defines the new Env interface used to abstract environment lookups. |
| src/testing-utils.ts | Adds a test helper for creating an Env and tightens typing for default Actions env vars. |
| src/actions-util.ts | Introduces ActionsEnvVars enum and replaces some raw env var strings with enum constants. |
| src/api-client.ts | Updates env-var lookups to use ActionsEnvVars constants. |
| lib/entry-points.js | Changed but excluded from diff (and typically generated output). |
Review details
Files excluded by content exclusion policy (1)
- lib/entry-points.js
Comments suppressed due to low confidence (1)
src/util.ts:588
Env.getRequiredandEnv.getOptionalcurrently treat whitespace-only values differently:getOptionalEnvVarFromtreats" "as unset (viatrim()), butgetRequiredEnvVaraccepts it because it only checksvalue.length === 0. This inconsistency is surprising for callers and can hide misconfiguration.
const value = env[paramName];
if (value === undefined || value.length === 0) {
throw new Error(`${paramName} environment variable must be set`);
}
return value;
- Files reviewed: 5/6 changed files
- Comments generated: 3
- Review effort level: Low
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Two straight-forward commits cherry-picked from #3990 (and, in turn, #3973) which add an
Envinterface that allows us to abstract overprocess.envso that tests don't have to run synchronously because they queryprocess.envand can instead query a test-specific environment.Not used in this PR, but cherry-picked so that we can hopefully merge it relatively quickly and make use of it elsewhere.
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