feature: add stylelint transformer

.prettierignore

@@ -1 +1,2 @@
-*.md
+*.md
+data/stylelint/test.css

README.md

@@ -11,6 +11,7 @@ Current supporting lint file format:
 - eslint(JSON)
 - textlint(JSON)
 - markdownlint
+- stylelint(JSON)
 - checkstyle
 - junit
   - compatibility: eslint, textlint, cpplint
@@ -65,6 +66,7 @@ jobs:
   - [eslint](documents/transformer/eslint.md)
   - [textlint](documents/transformer/textlint.md)
   - [markdownlint](documents/transformer/markdownlint.md)
+  - [stylelint](documents/transformer/stylelint.md)
   - [checkstyle](documents/transformer/checkstyle.md)
   - [junit](documents/transformer/junit.md)
 - Operator

__test__/transformer/stylelint.test.ts

@@ -0,0 +1,41 @@
+import { StyleLintTransformer } from "../../src/transformer/stylelint";
+import { LintResult } from "../../src/lint-result";
+import * as fs from "fs";
+
+test("transform", async () => {
+    const text = fs.readFileSync("data/stylelint.json", "utf-8");
+    const transformer = new StyleLintTransformer();
+    const result = transformer.parse(text);
+
+    expect(result.length).toBe(3);
+    expect(result[0]).toMatchObject({
+        path: "test/test.css",
+        rule: "block-opening-brace-space-before",
+        message: 'Expected single space before "{"',
+        startLine: 1,
+        endLine: undefined,
+        startColumn: undefined,
+        endColumn: undefined,
+        level: "failure",
+    } as LintResult);
+    expect(result[1]).toMatchObject({
+        path: "test/test.css",
+        rule: "no-missing-end-of-source-newline",
+        message: "Unexpected missing end-of-source newline",
+        startLine: 3,
+        endLine: undefined,
+        startColumn: undefined,
+        endColumn: undefined,
+        level: "failure",
+    } as LintResult);
+    expect(result[2]).toMatchObject({
+        path: "test/test.css",
+        rule: "indentation",
+        message: "Expected indentation of 2 spaces",
+        startLine: 2,
+        endLine: undefined,
+        startColumn: undefined,
+        endColumn: undefined,
+        level: "failure",
+    } as LintResult);
+});

data/stylelint.json

@@ -0,0 +1,32 @@
+[
+    {
+        "source": "test/test.css",
+        "deprecations": [],
+        "invalidOptionWarnings": [],
+        "parseErrors": [],
+        "errored": true,
+        "warnings": [
+            {
+                "line": 1,
+                "column": 5,
+                "rule": "block-opening-brace-space-before",
+                "severity": "error",
+                "text": "Expected single space before \"{\" (block-opening-brace-space-before)"
+            },
+            {
+                "line": 3,
+                "column": 1,
+                "rule": "no-missing-end-of-source-newline",
+                "severity": "error",
+                "text": "Unexpected missing end-of-source newline (no-missing-end-of-source-newline)"
+            },
+            {
+                "line": 2,
+                "column": 5,
+                "rule": "indentation",
+                "severity": "error",
+                "text": "Expected indentation of 2 spaces (indentation)"
+            }
+        ]
+    }
+]

data/stylelint/.stylelintrc.json

@@ -0,0 +1,3 @@
+{
+    "extends": "stylelint-config-standard"
+}

data/stylelint/command.md

@@ -0,0 +1,3 @@
+1. `npm install -g stylelint stylelint-config-standard`
+1. `stylelint data/stylelint/test.css --config data/stylelint/.stylelintrc.json --output-file data/stylelint.json --formatter json`
+1. replace filepath

data/stylelint/test.css

@@ -0,0 +1,3 @@
+.test{
+    background-color: blue;
+}

documents/transformer/stylelint.md

@@ -0,0 +1,20 @@
+# Transformer of stylelint
+```yml
+- uses: MeilCli/common-lint-reporter/transformer/stylelint@v0
+  with:
+    report_files: |
+      stylelint_report.json
+```
+
+## Option
+### Input
+- `report_files`:
+  - report file glob pattern
+  - required
+- `report_files_follow_symbolic_links`:
+  - report file glob pattern option
+  - value: `true` or `false`
+- `output_path`:
+  - output path
+  - required
+  - default: `common_lint.json`

src/transformer/stylelint.ts

@@ -0,0 +1,53 @@
+import * as core from "@actions/core";
+import { getOption } from "./option";
+import { LintResult } from "../lint-result";
+import { Transformer } from "./transformer";
+
+interface StyleLintReport {
+    source: string;
+    warnings: StyleLintReportMessage[];
+}
+
+interface StyleLintReportMessage {
+    rule: string;
+    severity: string;
+    text: string;
+    line: number;
+}
+
+export class StyleLintTransformer extends Transformer {
+    parse(body: string): LintResult[] {
+        const lintResults: LintResult[] = [];
+        const styleLintReports = JSON.parse(body) as StyleLintReport[];
+        for (const styleLintReport of styleLintReports) {
+            for (const message of styleLintReport.warnings) {
+                const level = message.severity == "error" ? "failure" : "warning";
+                lintResults.push({
+                    path: styleLintReport.source,
+                    rule: message.rule,
+                    message: message.text.replace(/^(.+)\s(\(.+?\))$/, "$1"),
+                    startLine: message.line,
+                    endLine: undefined,
+                    startColumn: undefined,
+                    endColumn: undefined,
+                    level: level,
+                });
+            }
+        }
+        return lintResults;
+    }
+}
+
+async function run() {
+    try {
+        const option = getOption();
+        const transformer = new StyleLintTransformer();
+        await transformer.transform(option);
+    } catch (error) {
+        core.setFailed(error.message);
+    }
+}
+
+if (process.env.NODE_ENV != "test") {
+    run();
+}

transformer/stylelint/action.yml

@@ -0,0 +1,19 @@
+name: 'stylelint transformer of common lint reporter'
+description: 'transformer of stylelint report file to common lint report'
+author: 'MeilCli'
+branding:
+  icon: layers
+  color: orange
+inputs:
+  report_files:
+    description: 'report file glob pattern'
+    required: true
+  report_files_follow_symbolic_links:
+    description: 'report file glob pattern option'
+  output_path:
+    description: 'output path'
+    required: true
+    default: 'common_lint.json'
+runs:
+  using: 'node12'
+  main: '../../dist/transformer-stylelint.js'

webpack.config.js

@@ -9,6 +9,7 @@ module.exports = {
         "transformer-eslint": "./src/transformer/eslint.ts",
         "transformer-textlint": "./src/transformer/textlint.ts",
         "transformer-markdownlint": "./src/transformer/markdownlint.ts",
+        "transformer-stylelint": "./src/transformer/stylelint.ts",
         "transformer-junit": "./src/transformer/junit.ts",
         "operator-filter": "./src/operator/filter.ts",
         "operator-filter-by-file-changed": "./src/operator/filter-by-file-changed.ts",