move lint script

docs/lint.js

@@ -0,0 +1,104 @@
+#!/usr/bin/env node
+
+var fs = require("fs")
+var path = require("path")
+
+//lint rules
+function lint(file, data) {
+	ensureCodeIsHighlightable(file, data)
+	ensureCodeIsSyntaticallyValid(file, data)
+	ensureCodeIsRunnable(file, data)
+	ensureCommentStyle(file, data)
+}
+
+function ensureCodeIsHighlightable(file, data) {
+	var codeBlocks = data.match(/```(.|\n|\r)*?```/gim) || []
+	codeBlocks.forEach(function(block) {
+		block = block.slice(3, -3)
+		if (block.indexOf("javascript") !== 0) {
+			try {if (new Function(block)) console.log(file + " - javascript block missing language tag after triple backtick\n\n" + block + "\n\n---\n\n")}
+			catch (e) {/*not a js block, ignore*/}
+		}
+	})
+}
+
+function ensureCodeIsSyntaticallyValid(file, data) {
+	var codeBlocks = data.match(/```javascript(.|\n|\r)*?```/gim) || []
+	codeBlocks.forEach(function(block) {
+		block = block.slice(13, -3)
+		try {new Function(block)}
+		catch (e) {console.log(file + " - javascript block has wrong syntax\n\n" + e.message + "\n\n" + block + "\n\n---\n\n")}
+	})
+}
+
+function ensureCodeIsRunnable(file, data) {
+	var codeBlocks = data.match(/```javascript(.|\n|\r)*?```/gim) || []
+	var code = codeBlocks.map(function(block) {return block.slice(13, -3)}).join(";")
+	
+	//stubs
+	var silentConsole = {log: function() {}}
+	var fetch = function() {
+		return Promise.resolve({
+			json: function() {}
+		})
+	}
+
+	try {
+		new Function("console,fetch,module,require", code).call(this, silentConsole, fetch, {exports: {}}, function(dep) {
+			if (dep.indexOf("./mycomponent") === 0) return {view: function() {}}
+			if (dep === "mithril") return global.m
+		})
+	}
+	catch (e) {console.log(file + " - javascript code cannot run\n\n" + e.stack + "\n\n" + code + "\n\n---\n\n")}
+	
+}
+
+function ensureCommentStyle(file, data) {
+	var codeBlocks = data.match(/```javascript(.|\n|\r)*?```/gim) || []
+	codeBlocks.forEach(function(block) {
+		block = block.slice(13, -3)
+		if (block.match(/(^|\s)\/\/[\S]/)) console.log(file + " - comment missing space\n\n" + block + "\n\n---\n\n")
+	})
+}
+
+//runner
+function traverseDirectory(pathname, callback) {
+	pathname = pathname.replace(/\\/g, "/")
+	return new Promise(function(resolve, reject) {
+		fs.lstat(pathname, function(err, stat) {
+			if (err) reject(err)
+			if (stat.isDirectory()) {
+				fs.readdir(pathname, function(err, pathnames) {
+					if (err) reject(err)
+					var promises = []
+					for (var i = 0; i < pathnames.length; i++) {
+						pathnames[i] = path.join(pathname, pathnames[i])
+						promises.push(traverseDirectory(pathnames[i], callback))
+					}
+					callback(pathname, stat, pathnames)
+					resolve(Promise.all(promises))
+				})
+			}
+			else {
+				callback(pathname, stat)
+				resolve(pathname)
+			}
+		})
+	})
+}
+
+//init mocks
+global.window = require("../test-utils/browserMock")()
+global.document = window.document
+global.m = require("../index")
+
+//run
+traverseDirectory("./docs", function(pathname) {
+	if (pathname.indexOf(".md") > -1 && pathname.indexOf("migration") < 0 && pathname.indexOf("route") < 0) {
+		fs.readFile(pathname, "utf8", function(err, data) {
+			if (err) console.log(err)
+			else lint(pathname, data)
+		})
+	}
+})
+