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fix(gatsby): e.remove() is not a function when using Gatsby Head API #36338

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merged 4 commits into from
Aug 11, 2022
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fix(gatsby): e.remove() is not a function when using Gatsby Head API #36338

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db2e64e
remove useless new array creation
marvinjude Aug 8, 2022
76b2302
use for..of over forEach for browser compatibility
marvinjude Aug 8, 2022
c971686
use parentNode.removeChild() for compatibility with IE
marvinjude Aug 9, 2022
71ac8ed
fix error when parentNode is null
marvinjude Aug 10, 2022
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6 changes: 2 additions & 4 deletions packages/gatsby/cache-dir/head/head-export-handler-for-browser.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ import {
const hiddenRoot = document.createElement(`div`)

const removePrevHeadElements = () => {
const prevHeadNodes = [...document.querySelectorAll(`[data-gatsby-head]`)]
const prevHeadNodes = document.querySelectorAll(`[data-gatsby-head]`)
prevHeadNodes.forEach(e => e.remove())
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This will break in older browser versions where nodeList does not contain forEach. You'll have to figure out the issue differently. What exactly is the issue with [...]?

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What exactly is the issue with [...]?

#36247 (comment)

Good catch 👍 I'd do a for...of instead

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What happens if you change it into Array.from ?

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Array.from works fine — turns out we didn't even need to create new arrays in the first place

}

Expand Down Expand Up @@ -58,9 +58,7 @@ const onHeadRendered = () => {
}
}

const existingHeadElements = [
...document.querySelectorAll(`[data-gatsby-head]`),
]
const existingHeadElements = document.querySelectorAll(`[data-gatsby-head]`)

if (existingHeadElements.length === 0) {
document.head.append(...validHeadNodes)
Expand Down