New: the first version.

Author: mysticatea

index.js

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+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * @copyright 2016 Toru Nagashima. All rights reserved.
+ * See LICENSE file in root directory for full license.
+ */
+"use strict"
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const espree = require("espree")
+const SAXParser = require("parse5").SAXParser
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Extracts the text of the 1st script element in the given text.
+ *
+ * @param {string} originalText - The whole text to extract.
+ * @returns {{text: string, offset: number}} The information of the 1st script.
+ */
+function extractFirstScript(originalText) {
+    const parser = new SAXParser({locationInfo: true})
+    let inScript = false
+    let text = ""
+    let offset = 0
+
+    parser.on("startTag", (name, attrs, selfClosing) => {
+        if (name === "script" && !selfClosing) {
+            inScript = true
+        }
+    })
+    parser.on("endTag", (name) => {
+        if (name === "script") {
+            inScript = false
+        }
+    })
+    parser.on("text", (scriptText, location) => {
+        if (inScript && text === "") {
+            const lineTerminators = "\n".repeat(location.line - 1)
+            const spaces = " ".repeat(location.startOffset - location.line + 1)
+            text = `${spaces}${lineTerminators}${scriptText}`
+            offset = location.startOffset
+        }
+    })
+    parser.end(originalText)
+
+    return {text, offset}
+}
+
+//------------------------------------------------------------------------------
+// Exports
+//------------------------------------------------------------------------------
+
+module.exports.parse = function parse(text, options) {
+    const script = extractFirstScript(text)
+    const ast = espree.parse(script.text, options)
+
+    ast.start = script.offset
+
+    return ast
+}

test/fixtures/hello.vue

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+<template>
+    <p>{{ greeting }} World!</p>
+</template>
+
+<script>
+module.exports = {
+    data() {
+        return {greeting: "Hello"}
+    },
+}
+</script>
+
+<style scoped>
+p {
+    font-size: 2em;
+    text-align: center;
+}
+</style>

test/fixtures/hello.vue.fixed

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+<template>
+    <p>{{ greeting }} World!</p>
+</template>
+
+<script>
+module.exports = {
+    data() {
+        return {greeting: "Hello"};
+    },
+};
+</script>
+
+<style scoped>
+p {
+    font-size: 2em;
+    text-align: center;
+}
+</style>

test/index.js

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+/**
+ * @author Toru Nagashima <https://github.com/mysticatea>
+ * @copyright 2016 Toru Nagashima. All rights reserved.
+ * See LICENSE file in root directory for full license.
+ */
+"use strict"
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const assert = require("assert")
+const path = require("path")
+const CLIEngine = require("eslint").CLIEngine
+const fs = require("fs-extra")
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const ORIGINAL_FIXTURE_DIR = path.join(__dirname, "fixtures")
+const FIXTURE_DIR = path.join(__dirname, "temp")
+const PARSER_PATH = path.resolve(__dirname, "../index.js")
+
+//------------------------------------------------------------------------------
+// Tests
+//------------------------------------------------------------------------------
+
+describe("About fixtures/hello.vue", () => {
+    beforeEach(() => {
+        fs.copySync(ORIGINAL_FIXTURE_DIR, FIXTURE_DIR)
+    })
+    afterEach(() => {
+        fs.removeSync(FIXTURE_DIR)
+    })
+
+    it("should notify 2 'semi' errors", () => {
+        const cli = new CLIEngine({
+            cwd: FIXTURE_DIR,
+            envs: ["es6", "node"],
+            parser: PARSER_PATH,
+            rules: {semi: "error"},
+            useEslintrc: false,
+        })
+        const report = cli.executeOnFiles(["hello.vue"])
+        const messages = report.results[0].messages
+
+        assert(messages.length === 2)
+        assert(messages[0].ruleId === "semi")
+        assert(messages[0].line === 8)
+        assert(messages[0].column === 35)
+        assert(messages[0].source === "        return {greeting: \"Hello\"}")
+        assert(messages[1].ruleId === "semi")
+        assert(messages[1].line === 10)
+        assert(messages[1].column === 2)
+        assert(messages[1].source === "}")
+    })
+
+    it("should fix 2 'semi' errors with --fix option", () => {
+        const cli = new CLIEngine({
+            cwd: FIXTURE_DIR,
+            envs: ["es6", "node"],
+            fix: true,
+            parser: PARSER_PATH,
+            rules: {semi: "error"},
+            useEslintrc: false,
+        })
+        CLIEngine.outputFixes(cli.executeOnFiles(["hello.vue"]))
+
+        const actual = fs.readFileSync(path.join(FIXTURE_DIR, "hello.vue"), "utf8")
+        const expected = fs.readFileSync(path.join(FIXTURE_DIR, "hello.vue.fixed"), "utf8")
+
+        assert(actual === expected)
+    })
+})