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feat: better style binding support #1042

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Merged
merged 4 commits into from
Apr 18, 2023
Merged

feat: better style binding support #1042

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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
b84a0bc
fix: support string and array style bindings
rigor789 Apr 18, 2023
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45 changes: 39 additions & 6 deletions src/renderer/modules/style.ts
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Original file line number Diff line number Diff line change
@@ -1,18 +1,44 @@
import { NSVElement } from "../../dom";
import { NormalizedStyle } from "@vue/shared";
import {
NormalizedStyle,
parseStringStyle,
isArray,
isString,
isObject,
} 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 (isString(style)) {
if (style.trim().charAt(0) === "{") {
return JSON.parse(style);
}

return parseStringStyle(style);
}

if (isArray(style)) {
return style.reduce(
(
normalizedStyle: NormalizedStyle,
currentStyle: NormalizedStyle | Style
) => {
return Object.assign(normalizedStyle, normalizeStyle(currentStyle));
},
{}
);
}

if (isObject(style)) {
return style as NormalizedStyle;
}

return style as NormalizedStyle;
return {};
}

function normalizeProperty(property: string) {
Expand Down Expand Up @@ -51,7 +77,14 @@ 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