Create lint.js

scripts/commands/lint.js

@@ -0,0 +1,74 @@
+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) {
+		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()