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fix style undefined with hmr #1040

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fix style undefined with hmr #1040

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05419a8
fix style undefined with hmr
vallemar Apr 15, 2023
0d7f856
fix set value on internal style
vallemar Apr 15, 2023
6958c28
refactor: try restoring values and set to null in catch
rigor789 Apr 18, 2023
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18 changes: 14 additions & 4 deletions src/renderer/modules/style.ts
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Original file line number Diff line number Diff line change
@@ -1,15 +1,18 @@
import { NSVElement } from "../../dom";
import { NormalizedStyle } from "@vue/shared";

type Style = string | null;
type Style = string | Record<string, string | number> | null;

function normalizeStyle(style: NormalizedStyle | Style): NormalizedStyle {
if (!style) {
return null;
}

if (typeof style === "string" && style?.trim().charAt(0) === "{") {
return JSON.parse(style);
if (typeof style === "string") {
if (style?.trim().charAt(0) === "{") {
return JSON.parse(style);
}
// todo: check if a style can be a string but not json?
}

return style as NormalizedStyle;
Expand Down Expand Up @@ -51,7 +54,14 @@ function removeStyleProperty(el: NSVElement, property: string) {
// changing the attribute will not update our originalValue, so when removing
// the previous color will be applied. Fixing this would involve listening to
// individual attribute changes, and it's not worth the overhead.
el.style[property] = originalValue;
try {
el.style[property] = originalValue;
} catch (err) {
// hack: if the original value is invalid, we can't set it back to it's original value
// instead we set it to null, which will remove the style, however this may
// still lead to incorrect styling in some cases.
el.style[property] = null;
}
}
}

Expand Down