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Refactor/Simplify StyleManager

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confused_techie 2024-03-18 14:33:55 -07:00
parent 3411fb731a
commit a4b0c63eaa
1 changed files with 45 additions and 61 deletions
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106
src/style-manager.js
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@ -144,50 +144,56 @@ module.exports = class StyleManager {
}
}
if (params.skipDeprecatedSelectorsTransformation) {
styleElement.textContent = source;
} else {
const transformed = this.upgradeDeprecatedSelectorsForStyleSheet(
source,
params.context
let textContent;
let deprecationMessages = [];
textContent = source;
if (!params.skipDeprecatedSelectorsTransformation) {
const transformed = this.upgradeStyleSheet(
textContent,
params.context,
transformDeprecatedShadowDOMSelectors
);
styleElement.textContent = transformed.source;
if (transformed.deprecationMessage) {
this.deprecationsBySourcePath[params.sourcePath] = {
message: transformed.deprecationMessage
};
this.emitter.emit('did-update-deprecations');
}
textContent = transformed.source;
deprecationMessages.push(transformed.deprecationMessage);
}
if (!params.skipDeprecatedMathUsageTransformation) {
const transformed = this.upgradeDeprecatedMathUsageForStyleSheet(
styleElement.textContent,
params.context
const transformed = this.upgradeStyleSheet(
textContent,
params.context,
transformDeprecatedMathUsage
);
styleElement.textContent = transformed.source;
if (transformed.deprecationMessage) {
// Now we may already have a deprecation message from upgrading deprecated
// selectors, so we want to check if the message already exists for this
// source path, and add to it, otherwise we can create a new one
if (typeof this.deprecationsBySourcePath[params.sourcePath]?.message === "string") {
this.deprecationsBySourcePath[params.sourcePath].message += `\n${transformed.deprecationMessage}`;
this.emitter.emit('did-update-deprecations');
} else {
// lets create a new deprecation
this.deprecationsBySourcePath[params.sourcePath] = {
message: transformed.deprecationMessage
};
this.emitter.emit('did-update-deprecations');
}
}
textContent = transformed.source;
deprecationMessages.push(transformed.deprecationMessage);
}
// Once done with any and all transformations we can apply our new textContent
styleElement.textContent = textContent;
// Reduce the deprecation messages array to remove any null, undefined, or empty text values
// Anything not 'truthy'
deprecationMessages = deprecationMessages.filter((ele) => ele);
if (deprecationMessages.length > 0) {
// we do in fact have deprecations
let deprecationMsg = deprecationMessages.join("\n");
this.deprecationsBySourcePath[params.sourcePath] = {
message: deprecationMsg
};
this.emitter.emit("did-update-deprecations");
}
if (updated) {
this.emitter.emit('did-update-style-element', styleElement);
this.emitter.emit("did-update-style-element", styleElement);
} else {
this.addStyleElement(styleElement);
}
return new Disposable(() => {
this.removeStyleElement(styleElement);
});
@ -226,46 +232,24 @@ module.exports = class StyleManager {
}
}
upgradeDeprecatedSelectorsForStyleSheet(styleSheet, context) {
// Wrapper function useful for applying any upgrades due to deprecations
upgradeStyleSheet(styleSheet, context, cb) {
if (this.cacheDirPath != null) {
const hash = crypto.createHash('sha1');
const hash = crypto.createHash("sha1");
if (context != null) {
hash.update(context);
}
hash.update(styleSheet);
const cacheFilePath = path.join(this.cacheDirPath, hash.digest('hex'));
try {
return JSON.parse(fs.readFileSync(cacheFilePath));
} catch (e) {
const transformed = transformDeprecatedShadowDOMSelectors(
styleSheet,
context
);
fs.writeFileSync(cacheFilePath, JSON.stringify(transformed));
return transformed;
}
} else {
return transformDeprecatedShadowDOMSelectors(styleSheet, context);
}
}
upgradeDeprecatedMathUsageForStyleSheet(styleSheet, context) {
if (this.cacheDirPath != null) {
const hash = crypto.createHash('sha1');
if (context != null) {
hash.update(context);
}
hash.update(styleSheet);
const cacheFilePath = path.join(this.cacheDirPath, hash.digest('hex'));
const cacheFilePath = path.join(this.cacheDirPath, hash.digest("hex"));
try {
return JSON.parse(fs.readFileSync(cacheFilePath));
} catch(e) {
const transformed = transformDeprecatedMathUsage(styleSheet, context);
const transformed = cb(styleSheet, context);
fs.writeFileSync(cacheFilePath, JSON.stringify(transformed));
return transformed;
}
} else {
return transformDeprecatedMathUsage(styleSheet, context);
return cb(styleSheet, context);
}
}