jscompress.com | compress javascript and combine multiple files
kandi X-RAY | jscompress.com Summary
kandi X-RAY | jscompress.com Summary
This is the second version of jscompress.com: it's modular, has more features (eg drag'n'drop) and works 100% on client-side. Check out CONTRIBUTING.md before making pull request.
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QUESTION
I have this javascript code I want to minify.Users are meant to embed it in the head of their website. It's purely written in javascript. I however embedded come css code within the js file. I tried minifying on the website https://jscompress.com/ but it keeps throwing the error
...ANSWER
Answered 2020-Apr-30 at 14:49I using this tool https://jscompressor.com is ok
QUESTION
This is similar to this question however neither of the answers solves the problem.
After running npm run build
the resultant index.html
looks similar to:
ANSWER
Answered 2019-Dec-14 at 06:27In short: It's possible, but not practical. Why? Your app will no longer be progressive and your single js file can be very large (slower performance all around with none of the code splitting benefits webpack offers).
While I'm not a fan of the create-react-app
nor bundling everything into one bundle.js
file, you'll first want to eject: yarn eject
or npm run eject
-- you can probably use some 3rd party packages to override without ejecting, but I'll leave that up to you to figure out.
Then, you'll need to go to the config/webpack.config.js
and do the following:
- Remove
InlineChunkHtmlPlugin
from required imports and underplugins:
, removeisEnvProduction && shouldInlineRuntimeChunk && new InlineChunkHtmlPlugin(HtmlWebpackPlugin, [/runtime-.+[.]js/])
as it creates a chunk file list inside theindex.html
file when building - Under
output:
, changefilename:
tofilename: "static/js/bundle.min.js",
- Under
output:
, remove thechunkFilename:
property as you're no longer chunking js files during production - Under
optimization:
, removesplitChunks:
property as you're no longer splitting chunks when building - Under
optimization:
, setruntimeChunk:
toruntimeChunk: false
to avoid creating a runtime-chunk.js file when building - Under
plugins:
, changeMiniCssExtractPlugin
options to only output a single css file by changingfilename
tofilename: "static/css/main.min.css",
and removingchunkFileName:
.
Working repo: https://github.com/mattcarlotta/cra-single-bundle
I also added two package.json
start scripts to the repo:
1.) To test the production build; run yarn prod
or npm run prod
after compiling your source.
2.) To analyze a webpack bundle, run yarn analyze
or npm run analyze
to view a chunk distribution chart.
QUESTION
I have tried compressing a JavaScript file, with both http://jscompress.com and "uglifyjs" (uglifyjs main.js --compress --mangle > main.min.js
), but I get the following error:
File main.js: Unexpected token: name «sidebarSubcategory», expected: punc «;» (line: 17, col: 8)
In the main.js
I have the following function:
ANSWER
Answered 2019-Jun-21 at 11:27The compression tool you're using doesnt support the new syntax. Changing let to var or checking the "Use ecmascript 2019" checkbox will solve your issue.
And as for uglifyjs, you can use this tool its from the same developers of uglifyjs but for es6 syntax :
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