content: # syntax=docker/dockerfile:1
  
  FROM node:alpine AS base
  RUN apk add --no-cache cpio findutils git
  WORKDIR /src
  
  FROM base AS deps
  RUN --mount=type=bind,target=.,rw \
    --mount=type=cache,target=/src/node_modules \
    npm install && mkdir /vendor && cp package-lock.json /vendor
  
  FROM scratch AS vendor-update
  COPY --from=deps /vendor /
  
  FROM deps AS vendor-validate
  RUN --mount=type=bind,target=.,rw <<EOT
    set -e
    git add -A
    cp -rf /vendor/* .
    if [ -n "$(git status --porcelain -- package-lock.json)" ]; then
      echo >&2 'ERROR: Vendor result differs. Please vendor your package with "docker buildx bake vendor-update"'
      git status --porcelain -- package-lock.json
      exit 1
    fi
  EOT
  
  FROM deps AS build
  RUN --mount=type=bind,target=.,rw \
    --mount=type=cache,target=/src/node_modules \
    npm run build && mkdir /out && cp -Rf dist /out/
  
  FROM scratch AS build-update
  COPY --from=build /out /
  
  FROM build AS build-validate
  RUN --mount=type=bind,target=.,rw <<EOT
    set -e
    git add -A
    cp -rf /out/* .
    if [ -n "$(git status --porcelain -- dist)" ]; then
      echo >&2 'ERROR: Build result differs. Please build first with "docker buildx bake build"'
      git status --porcelain -- dist
      exit 1
    fi
  EOT
  
  FROM deps AS format
  RUN --mount=type=bind,target=.,rw \
    --mount=type=cache,target=/src/node_modules \
    npm run eslint:fix \
    && mkdir /out && find . -name '*.js' -not -path './node_modules/*' | cpio -pdm /out
  
  FROM scratch AS format-update
  COPY --from=format /out /
  
  FROM deps AS lint
  RUN --mount=type=bind,target=.,rw \
    --mount=type=cache,target=/src/node_modules \
    npm run eslint
  
  FROM deps AS test
  RUN --mount=type=bind,target=.,rw \
    --mount=type=cache,target=/src/node_modules \
    npm test && cp -r ./coverage /tmp
  
  FROM scratch AS test-coverage
  COPY --from=test /tmp/coverage /
  
  FROM deps AS jsdoc
  RUN --mount=type=bind,target=.,rw \
    --mount=type=cache,target=/src/node_modules \
    npm run jsdoc && cp -r ./jsdoc /tmp
  
  FROM scratch AS jsdoc-update
  COPY --from=jsdoc /tmp/jsdoc /
  