Merge pull request #482 from iptv-org/create-lint-js

Create check.yml

.github/workflows/_check.yml

@@ -0,0 +1,19 @@
+name: _check
+on:
+  workflow_dispatch:
+  pull_request:
+    types: [opened, synchronize, reopened, edited]
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Download channels from API
+        run: |
+          mkdir -p scripts/data
+          curl -L -o scripts/data/channels.json https://iptv-org.github.io/api/channels.json
+      - id: files
+        uses: jitterbit/get-changed-files@v1
+      - run: npm install
+      - run: npm run lint -- ${{ steps.files.outputs.added_modified }}
+      - run: npm run validate -- ${{ steps.files.outputs.added_modified }}

package.json

@@ -1,6 +1,7 @@
 {
   "name": "epg",
   "scripts": {
+    "lint": "node scripts/commands/lint.js",
     "validate": "node scripts/commands/validate.js",
     "act": "act workflow_dispatch",
     "test": "npx jest --runInBand",
@@ -26,6 +27,7 @@
     "glob": "^7.2.0",
     "iconv-lite": "^0.4.24",
     "jest": "^27.3.1",
+    "libxmljs": "^0.19.7",
     "lodash": "^4.17.21",
     "markdown-include": "^0.4.3",
     "mockdate": "^3.0.5",

scripts/commands/lint.js

@@ -0,0 +1,76 @@
+const chalk = require('chalk')
+const libxml = require('libxmljs')
+const { program } = require('commander')
+const { logger, file } = require('../core')
+
+const xsd = `<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
+  <xs:element name="site">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element ref="channels"/>
+      </xs:sequence>
+      <xs:attribute name="site" use="required" type="xs:NCName"/>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="channels">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element maxOccurs="unbounded" ref="channel"/>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+  <xs:element name="channel">
+    <xs:complexType mixed="true">
+      <xs:attribute name="lang" use="required" type="xs:string"/>
+      <xs:attribute name="site_id" use="required" type="xs:string"/>
+      <xs:attribute name="xmltv_id" use="required" type="xs:string"/>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>`
+
+program.argument('<filepath>', 'Path to file to validate').parse(process.argv)
+
+async function main() {
+	if (!program.args.length) {
+		logger.error('required argument "filepath" not specified')
+	}
+
+	let errors = []
+
+	for (const filepath of program.args) {
+		if (!filepath.endsWith('.xml')) continue
+
+		const xml = await file.read(filepath)
+
+		let localErrors = []
+
+		try {
+			const xsdDoc = libxml.parseXml(xsd)
+			const doc = libxml.parseXml(xml)
+
+			if (!doc.validate(xsdDoc)) {
+				localErrors = doc.validationErrors
+			}
+		} catch (error) {
+			localErrors.push(error)
+		}
+
+		if (localErrors.length) {
+			logger.info(`\n${chalk.underline(filepath)}`)
+			localErrors.forEach(error => {
+				const position = `${error.line}:${error.column}`
+				logger.error(` ${chalk.gray(position.padEnd(4, ' '))} ${error.message.trim()}`)
+			})
+
+			errors = errors.concat(localErrors)
+		}
+	}
+
+	if (errors.length) {
+		logger.error(chalk.red(`\n${errors.length} error(s)`))
+		process.exit(1)
+	}
+}
+
+main()

scripts/commands/validate.js

@@ -17,6 +17,8 @@ async function main() {
   }
 
   for (const filepath of program.args) {
+    if (!filepath.endsWith('.xml')) continue
+
     const { site, channels } = await parser.parseChannels(filepath)
 
     const output = []