codecov.yml

# Codecov configuration — coverage floors enforced as PR gates.
#
# The reusable rust-ci.yml workflow does not expose tarpaulin's
# `--fail-under` flag, so the floor lives here. Codecov posts
# `codecov/project` and `codecov/patch` check-runs against the PR;
# the targets and thresholds below are what makes them red on a
# regression.
#
# Targets reflect the steady state established for v0.0.5:
#   * project: 95% (baseline at this writing is 95.78%)
#   * patch:   90% (baseline for fresh PRs is 93.90%)
# `threshold` allows that much erosion without flagging — small
# enough to catch real regressions, large enough to absorb tarpaulin's
# noise (line-counting drifts a fraction of a percent on transitive
# lockfile bumps).
#
# Reference: https://docs.codecov.com/docs/codecov-yaml

coverage:
  status:
    project:
      default:
        target: 95%
        threshold: 1%
        if_ci_failed: error
        only_pulls: false
    patch:
      default:
        target: 90%
        threshold: 1%
        if_ci_failed: error

# Files codecov should ignore when computing the project total. This
# mirrors the `coverage-exclude` glob the CI workflow already passes
# to tarpaulin so the two sources agree on the denominator. If the
# tarpaulin glob changes, update both in lockstep.
ignore:
  - "tests/**"
  - "benches/**"
  - "examples/**"
  - "build.rs"
  - "src/yaml/**"
  # `src/wasm.rs` is `#[cfg(feature = "wasm")]`-gated wasm-bindgen
  # surface — only reachable via `wasm32-unknown-unknown`. Native
  # tarpaulin cannot enter the function bodies. The CI's
  # `wasm-build` job runs `wasm-pack test --node` against
  # `tests/wasm_smoke.rs` which is the real coverage for this file.
  - "src/wasm.rs"

# Don't post a PR comment for every push — the check-runs are
# sufficient and the comment thread on a long-lived branch
# accumulates noise.
comment:
  layout: "reach, diff, flags, files"
  behavior: default
  require_changes: true