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Hi! I’m having an issue related to Gulp and Eslint.
Had to install Eslint globally with npm, and to init it manually for it to work; and it throws this error whenever I modify any .js
[11:14:29] Using gulpfile ~/Desktop/gurupu/gulpfile.js [11:14:30] Starting 'connect'... [11:14:30] Finished 'connect' after 11 ms [11:14:30] Starting 'watch'... [11:14:30] Finished 'watch' after 15 ms [11:14:30] Starting 'default'... [11:14:30] Finished 'default' after 15 μs [11:14:30] Server started http://localhost:8080 [11:14:30] LiveReload started on port 35729 [11:14:34] Starting 'bundlejs'... [11:14:35] /Users/Mistwalker/Desktop/gurupu/src/js/data.js 95:5 error 'data' is assigned a value but never used no-unused-vars /Users/Mistwalker/Desktop/gurupu/src/js/model.js 18:31 error 'data' is not defined no-undef 62:14 error 'router' is not defined no-undef 94:8 error 'i' is not defined no-undef 94:15 error 'max' is not defined no-undef 94:35 error 'i' is not defined no-undef 94:39 error 'max' is not defined no-undef 94:44 error 'i' is not defined no-undef 96:24 error 'i' is not defined no-undef 97:20 error 'i' is not defined no-undef 132:8 error 'i' is not defined no-undef 132:15 error 'max' is not defined no-undef 132:35 error 'i' is not defined no-undef 132:39 error 'max' is not defined no-undef 132:44 error 'i' is not defined no-undef 134:23 error 'i' is not defined no-undef 135:19 error 'i' is not defined no-undef /Users/Mistwalker/Desktop/gurupu/src/js/router.js 29:3 error 'slug' is not defined no-undef 31:14 error 'slug' is not defined no-undef 37:12 error 'slug' is not defined no-undef 63:20 error 'model' is not defined no-undef 64:18 error 'helpers' is not defined no-undef 66:3 error 'view' is not defined no-undef 70:5 error 'view' is not defined no-undef 74:5 error 'view' is not defined no-undef 78:5 error 'view' is not defined no-undef 82:3 error 'editor' is not defined no-undef 85:5 error 'editor' is not defined no-undef 85:26 error 'editor' is not defined no-undef /Users/Mistwalker/Desktop/gurupu/src/js/view.js 30:15 error 'model' is not defined no-undef 32:17 error 'helpers' is not defined no-undef 33:19 error 'helpers' is not defined no-undef 34:2 error Mixed spaces and tabs no-mixed-spaces-and-tabs 35:2 error Mixed spaces and tabs no-mixed-spaces-and-tabs 55:21 error 'model' is not defined no-undef 56:18 error 'helpers' is not defined no-undef 57:20 error 'helpers' is not defined no-undef 85:17 error 'helpers' is not defined no-undef 99:19 error 'helpers' is not defined no-undef 111:17 error 'helpers' is not defined no-undef 112:19 error 'helpers' is not defined no-undef 125:16 error 'model' is not defined no-undef 127:21 error 'helpers' is not defined no-undef 128:2 error Mixed spaces and tabs no-mixed-spaces-and-tabs 129:2 error Mixed spaces and tabs no-mixed-spaces-and-tabs 133:30 error 'helpers' is not defined no-undef 151:19 error 'helpers' is not defined no-undef /Users/Mistwalker/Desktop/gurupu/src/js/editor.js 34:3 error 'model' is not defined no-undef 47:15 error 'helpers' is not defined no-undef 51:3 error 'view' is not defined no-undef 62:17 error 'helpers' is not defined no-undef 66:3 error 'view' is not defined no-undef 78:19 error 'helpers' is not defined no-undef 79:21 error 'helpers' is not defined no-undef 101:13 error 'helpers' is not defined no-undef 107:7 error 'saving' is not defined no-undef 115:3 error 'saving' is not defined no-undef 125:21 error 'helpers' is not defined no-undef 126:23 error 'helpers' is not defined no-undef 127:20 error 'helpers' is not defined no-undef 128:16 error 'helpers' is not defined no-undef 187:18 error 'helpers' is not defined no-undef 203:18 error 'model' is not defined no-undef 217:18 error 'helpers' is not defined no-undef 218:18 error 'helpers' is not defined no-undef 219:15 error 'helpers' is not defined no-undef 221:27 error 'model' is not defined no-undef 229:5 error 'model' is not defined no-undef 233:5 error 'model' is not defined no-undef /Users/Mistwalker/Desktop/gurupu/src/js/app.js 19:3 error 'model' is not defined no-undef 20:3 error 'router' is not defined no-undef 21:3 error 'view' is not defined no-undef 22:3 error 'editor' is not defined no-undef 23:3 error Unexpected console statement no-console ✖ 74 problems (74 errors, 0 warnings)Nevermind, it kinda worked but the console outputs this:
[11:28:49] Starting 'bundlejs'... [11:28:49] /Users/Mistwalker/Desktop/gurupu/src/js/app.js 10:18 error Parsing error: Unexpected token { ✖ 1 problem (1 error, 0 warnings) stream.js:74 throw er; // Unhandled stream error in pipe. ^ GulpUglifyError: unable to minify JavaScript at createError (/Users/Mistwalker/Desktop/gurupu/node_modules/gulp-uglify/lib/create-error.js:6:14) at wrapper (/Users/Mistwalker/Desktop/gurupu/node_modules/gulp-uglify/node_modules/lodash/_createHybrid.js:87:15) at trycatch (/Users/Mistwalker/Desktop/gurupu/node_modules/gulp-uglify/minifier.js:26:12) at DestroyableTransform.minify [as _transform] (/Users/Mistwalker/Desktop/gurupu/node_modules/gulp-uglify/minifier.js:79:19) at DestroyableTransform.Transform._read (/Users/Mistwalker/Desktop/gurupu/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:159:10) at DestroyableTransform.Transform._write (/Users/Mistwalker/Desktop/gurupu/node_modules/through2/node_modules/readable-stream/lib/_stream_transform.js:147:83) at doWrite (/Users/Mistwalker/Desktop/gurupu/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:338:64) at writeOrBuffer (/Users/Mistwalker/Desktop/gurupu/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:327:5) at DestroyableTransform.Writable.write (/Users/Mistwalker/Desktop/gurupu/node_modules/through2/node_modules/readable-stream/lib/_stream_writable.js:264:11) at DestroyableTransform.ondata (stream.js:31:26)Okay, so it looks like it is working, it’s just finding errors based on the default configuration.
Try checking that there isn’t an error in app.js where it suggests.
If you’re just running it on the sample code it should work properly.
We haven’t covered eslint config in much depth yet (we will) but it may be that there is a global rule that is different than what I had in the demos and that is conflicting.
Have you changed any of the sample code or are you just running the default demo?
Hi Zac! 🙂 Greetings from Venezuela (though I’m currently living in Chile).
I’m sorry; I’m kinda sleepy, this is the problem I’m having, take a look! It’s kinda working, but not as it’s supposed to?
Following the video completely, I installed the gulp-eslint package and followed all directions.
If I modify an Js file while gulp is running, it throws this error:
[11:45:05] Starting 'bundlejs'... /Users/Mistwalker/Desktop/gurupu/node_modules/eslint/lib/config.js:170 throw noConfigError; ^ Error: No ESLint configuration found. at getLocalConfig (/Users/Mistwalker/Desktop/gurupu/node_modules/eslint/lib/config.js:162:35) at Config.getConfig (/Users/Mistwalker/Desktop/gurupu/node_modules/eslint/lib/config.js:260:26) at processText (/Users/Mistwalker/Desktop/gurupu/node_modules/eslint/lib/cli-engine.js:224:33) at CLIEngine.executeOnText (/Users/Mistwalker/Desktop/gurupu/node_modules/eslint/lib/cli-engine.js:754:26) at verify (/Users/Mistwalker/Desktop/gurupu/node_modules/gulp-eslint/index.js:20:25) at Transform._transform (/Users/Mistwalker/Desktop/gurupu/node_modules/gulp-eslint/index.js:70:17) at Transform._read (_stream_transform.js:167:10) at Transform._write (_stream_transform.js:155:12) at doWrite (_stream_writable.js:300:12) at writeOrBuffer (_stream_writable.js:286:5)I haven’t touched anything but adding another number in the console log @ app.js:23
console.log( 'Testing 1,2,3,4' );But whenever I add this code to the package.json
"eslintConfig": { "eslintConfig": { "env": { "no-unused-vars": ["error", { "vars": "all" }] } } },And add another number to app.js:23
console.log( 'Testing 1,2,3,4,5' );It works.
In other words, without the eslintConfig part, the eslint won’t work with my project! Shouldn’t it be working without that snippet?
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