Fix tests in IE11 #3264
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Fix tests in IE11 #3264
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@developit Executing tests locally prints the following warnings: marvinhagemeister ~/dev/github/preact (tests-fix-ie11*) $ yarn test:karma:watch
yarn run v1.22.11
$ cross-env BABEL_NO_MODULES=true karma start karma.conf.js --no-single-run
15 09 2021 22:14:10.573:INFO [esbuild]: Compiling...
> node_modules/chai/index.mjs:3:7: error: Transforming const to the configured target environment ("es5") is not supported yet
3 │ export const expect = chai.expect;
╵ ~~~~~
> node_modules/chai/index.mjs:4:7: error: Transforming const to the configured target environment ("es5") is not supported yet
4 │ export const version = chai.version;
╵ ~~~~~Maybe we need to downtranspile |
JoviDeCroock
approved these changes
Nov 19, 2021
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Size Change: +19 B (0%) Total Size: 42 kB
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developit
commented
Nov 20, 2021
| @@ -326,7 +342,7 @@ module.exports = function(config) { | |||
| singleBundle: false, | |||
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| // esbuild options | |||
| target: 'es2015', | |||
| target: 'es5', | |||
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This no longer complains about const because it is being fed var (due to Babel running on all JS files). Setting it to es5 here just prevents ESbuild from generating ES2015 glue code (for module bindings etc).
developit
commented
Nov 20, 2021
| @@ -433,7 +433,9 @@ function diffElementNodes( | |||
| // despite the attribute not being present. When the attribute | |||
| // is missing the progress bar is treated as indeterminate. | |||
| // To fix that we'll always update it when it is 0 for progress elements | |||
| (i !== dom.value || (nodeType === 'progress' && !i)) | |||
| (i !== oldProps.value || | |||
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This fixes a bug in IE11 where we never apply the value prop for <option value="X">X<option>. In that browser, option.value is X as inferred from the option's text content, however inferred option values can't be selected via select.value, so we need to assign to it manually.
This also fixes a potential issue where the text content of an <option> is initially some value, but then later changes - if we skip assigning option.value, the value-to-text binding remains live instead of being correctly locked to the value prop from VDOM.
JoviDeCroock
approved these changes
Nov 20, 2021
developit
added a commit
that referenced
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Nov 23, 2021
This fixes an issue I introduced in #3264.
JoviDeCroock
pushed a commit
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Nov 23, 2021
This fixes an issue I introduced in #3264.
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