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Drop support of IE11 #4848

merged 3 commits into from Mar 22, 2022

Drop support of IE11 #4848

merged 3 commits into from Mar 22, 2022


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@juergba juergba commented Mar 15, 2022


We drop support of Internet Explorer 11.

  • mocha.js: browser bundle transpiled to ES5 is dropped
  • mocha-es2018.js: browser bundle in ES2018 is renamed to mocha.js

Description of the Change

devDependencies from to
@babel/preset-env removed
@rollup/plugin-babel removed
core-js removed
regenerator-runtime removed
rollup 2.66.0 2.70.1
@rollup/plugin-commonjs 14.0.0 21.0.2
@rollup/plugin-multi-entry 3.0.1 4.0.1
@rollup/plugin-node-resolve 8.4.0 13.1.3
rollup-plugin-visualizer 5.5.4 5.6.0
rollup-plugin-node-polyfills replaced rollup-plugin-polyfill-node

@juergba juergba self-assigned this Mar 15, 2022
@juergba juergba added browser semver-major labels Mar 15, 2022
@juergba juergba added this to the v10.0.0 milestone Mar 15, 2022
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@juergba juergba commented Mar 15, 2022

@giltayar do we still need to create/publish a sourcemap of our ES2018 browser bundle?
We don't transpile anymore, so I think we don't, right?

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@giltayar giltayar commented Mar 15, 2022

@juergba while we don't transpile anymore, we still bundle, so theoretically a source map is still needed.

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@juergba juergba commented Mar 16, 2022

@giltayar ok, thanks. I will keep the source map then.

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@juergba juergba marked this pull request as ready for review Mar 18, 2022
@juergba juergba requested a review from Mar 18, 2022
@juergba juergba merged commit 70fe3ad into master Mar 22, 2022
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@juergba juergba deleted the juergba/drop-ie11 branch Mar 22, 2022
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2 participants