Adding pull request CI (#2)

.gitattributes

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+* text=auto eol=lf

.github/workflows/pr.yaml

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+name: PR CI
+
+on:
+  pull_request:
+    branches: ['**']
+
+jobs:
+  node_ci:
+    name: Node.js CI
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 5
+    defaults:
+      run:
+        shell: bash
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        node_version: ['12.22.12', '14.19.2', '16.15.0']
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node_version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: '${{ matrix.node_version }}'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run build
+      - run: npm pack
+
+  deno_ci:
+    name: Deno CI
+    runs-on: ${{ matrix.os }}
+    timeout-minutes: 5
+    defaults:
+      run: { shell: bash }
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        deno_version: ['v1.17.0', 'v1.21.1', 'vx.x.x']
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Deno ${{ matrix.deno_version }}
+        uses: denoland/setup-deno@v1
+        with:
+          deno-version: '${{ matrix.deno_version }}'
+      - run: deno fmt --check
+        if: matrix.deno_version == 'vx.x.x'
+      - run: deno lint
+        if: matrix.deno_version == 'vx.x.x'
+      - run: deno test --allow-all
+      - name: deno coverage cov_profile/
+        if: matrix.deno_version == 'vx.x.x'
+        run: |
+          rm -rf cov_profile/ || true
+          deno test --allow-all --coverage=cov_profile/ > /dev/null 2>%1
+          deno coverage cov_profile/
+      - name: Check coverage 100%
+        if: matrix.deno_version == 'vx.x.x'
+        run: ./scripts/check-coverage 100

README.md

@@ -1,3 +1,10 @@
 # result.js
 
-Typescript implementation of Rust's Result
+Zero dependency Typescript implementation of Rust's Result.
+
+## Supported Environments
+
+| Environment | Versions                             |
+| ----------- | ------------------------------------ |
+| Deno        | `v1.17.0` and `v1.21.1`              |
+| Node.js     | `12.22.12`, `14.19.2`, and `16.15.0` |

scripts/check-coverage

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+#!/usr/bin/env bash
+
+set -e
+
+repo_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." >/dev/null 2>&1 && pwd )"
+
+help_text="
+check-coverage
+
+This script check test coverage output in cov_profile/ directory.
+
+Usage: build_nexe MININUM_PERCENT
+
+"
+
+case "$1" in
+  "help"|"--help"|"-h"|"")
+    echo "$help_text"
+    exit 0
+    ;;
+  *)
+    integer_regex='^[0-9]+$'
+    if ! [[ $1 =~ $integer_regex ]] ; then
+      echo "error: Input is not an integer: $1"
+      exit 1      
+    fi
+    if ! [[ -d "$repo_dir/cov_profile/" ]]; then
+      echo "Code coverage directory not found. Run: deno test --allow-all --coverage=cov_profile/"
+      exit 1
+    fi
+    echo "Running deno coverage report ..."
+    coverage_report="$(deno coverage cov_profile | sed $'s,\x1b\\[[0-9;]*[a-zA-Z],,g')"
+    coverage_stats="$(echo "$coverage_report" | grep -E '^cover \S+ \.\.\.')"
+    failed_files=""
+    echo -e "Checking all files in deno coverage report meet minimum ...\n"
+    while IFS= read -r coverage_stat; do
+      coverage_number="$(echo "$coverage_stat" | rev | cut -d ' ' -f 2 | rev | sed 's|%||g')"
+      if (( $(echo "$coverage_number < $1" | bc -l) )); then
+        failed_files="$failed_files$coverage_stat\n"
+      fi
+    done <<< "$coverage_stats"
+    if [[ "$failed_files" == "" ]]; then
+      echo "PASSED"
+      exit 0
+    else
+      echo "FAILED"
+      echo -e "$failed_files"
+      exit 1
+    fi
+    ;;
+esac