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fix(v-pre): do not alter attributes (fix #10087) #10088

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merged 4 commits into from Sep 21, 2020

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xmakina
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@xmakina xmakina commented May 30, 2019

Fix #10087

What kind of change does this PR introduce? (check at least one)

  • Bugfix
  • Feature
  • Code style update
  • Refactor
  • Build-related changes
  • Other, please describe:

Does this PR introduce a breaking change? (check one)

  • Yes
  • No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

If adding a new feature, the PR's description includes:

  • A convincing reason for adding this feature (to avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it)

Other information:
When attributes under a v-pre match the list in isBooleanAttr, the value is replaced. This goes against the purpose of v-pre which is to leave all elements as-is.

An example of this bug can be found at https://jsfiddle.net/fp1omdaw/1/ as well as further details under #10087

@PhilipJohnBasile
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test/unit/features/directives/pre.spec.js Outdated Show resolved Hide resolved
test/unit/features/directives/pre.spec.js Outdated Show resolved Hide resolved
remove component and replace option from unit test
if (el.tagName.indexOf('-') > -1) {
baseSetAttr(el, key, value)
} else if(isInPre) {
if (el.tagName.indexOf('-') > -1 || isInPre) {

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wouldn't checking isInPre first be more optimal?

@posva posva merged commit 0664cb0 into vuejs:dev Sep 21, 2020
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Attributes listed under isBooleanAttr are altered under v-pre attributed tags
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