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Minor fixes for eslint.codeActionsOnSave.rules mechanism #1364

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merged 5 commits into from
Nov 18, 2021
Merged

Minor fixes for eslint.codeActionsOnSave.rules mechanism #1364

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63e3556
saveRuleConfigCache is indexed by file path not uri
edupsousa Nov 10, 2021
492858e
getSaveRuleConfig returns undefined with eslint@8
edupsousa Nov 10, 2021
786bf9d
Revert "saveRuleConfigCache is indexed by file path not uri"
edupsousa Nov 10, 2021
0527347
use the uri as key for saveRuleConfigCache
edupsousa Nov 16, 2021
00c1f75
Merge branch 'microsoft:main' into fix/save-rules
edupsousa Nov 16, 2021
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56 changes: 28 additions & 28 deletions server/src/eslintServer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -553,44 +553,44 @@ function isOff(ruleId: string, matchers: string[]): boolean {
return true;
}

async function getSaveRuleConfig(filePath: string, settings: TextDocumentSettings & { library: ESLintModule }): Promise<SaveRuleConfigItem | undefined> {
let result = saveRuleConfigCache.get(filePath);
if (result === null) {
async function getSaveRuleConfig(uri: string, settings: TextDocumentSettings & { library: ESLintModule }): Promise<SaveRuleConfigItem | undefined> {
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Replaced filePath argument by the uri, as it is need here to get and set items on saveRuleConfigCache. Preferred this way instead of adding the uri to the arguments list to keep the function signature concise.

const filePath = getFilePath(uri);
let result = saveRuleConfigCache.get(uri);
if (filePath === undefined || result === null) {
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filePath still required here to be used with ESLintClass.calculateConfigForFile method, so if the uri schema couldn't be resolved to a file path we return undefined in the same way of when there's no rules.

return undefined;
}
if (result !== undefined) {
return result;
}
const rules = settings.codeActionOnSave.rules;
if (rules === undefined || !ESLintModule.hasESLintClass(settings.library) || !settings.useESLintClass) {
result = undefined;
} else {
result = await withESLintClass(async (eslint) => {
const config = await eslint.calculateConfigForFile(filePath);
if (config === undefined || config.rules === undefined || config.rules.length === 0) {
return undefined;
}
const offRules: Set<string> = new Set();
const onRules: Set<string> = new Set();
if (rules.length === 0) {
Object.keys(config.rules).forEach(ruleId => offRules.add(ruleId));
} else {
for (const ruleId of Object.keys(config.rules)) {
if (isOff(ruleId, rules)) {
offRules.add(ruleId);
} else {
onRules.add(ruleId);
}
result = await withESLintClass(async (eslint) => {
if (rules === undefined || eslint.isCLIEngine) {
return undefined;
}
const config = await eslint.calculateConfigForFile(filePath);
if (config === undefined || config.rules === undefined || config.rules.length === 0) {
return undefined;
}
const offRules: Set<string> = new Set();
const onRules: Set<string> = new Set();
if (rules.length === 0) {
Object.keys(config.rules).forEach(ruleId => offRules.add(ruleId));
} else {
for (const ruleId of Object.keys(config.rules)) {
if (isOff(ruleId, rules)) {
offRules.add(ruleId);
} else {
onRules.add(ruleId);
}
}
return offRules.size > 0 ? { offRules, onRules } : undefined;
}, settings);
}
}
return offRules.size > 0 ? { offRules, onRules } : undefined;
}, settings);
if (result === undefined || result === null) {
saveRuleConfigCache.set(filePath, null);
saveRuleConfigCache.set(uri, null);
return undefined;
} else {
saveRuleConfigCache.set(filePath, result);
saveRuleConfigCache.set(uri, result);
return result;
}
}
Expand Down Expand Up @@ -2283,7 +2283,7 @@ async function computeAllFixes(identifier: VersionedTextDocumentIdentifier, mode
connection.tracer.log(`Computing all fixes took: ${Date.now() - start} ms.`);
return result;
} else {
const saveConfig = filePath !== undefined && mode === AllFixesMode.onSave ? await getSaveRuleConfig(filePath, settings) : undefined;
const saveConfig = filePath !== undefined && mode === AllFixesMode.onSave ? await getSaveRuleConfig(uri, settings) : undefined;
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This is the only call to getSaveRuleConfig function, so I changed the call to use the uri instead of the filePath.
As a personal decision I kept the filePath !== undefined condition, even if we are not using filePath in the call anymore. I thought that it could be more efficient by avoiding an asynchronous call if we already know its return value, but I'm not really sure.

const offRules = saveConfig?.offRules;
const onRules = saveConfig?.onRules;
let overrideConfig: Required<ConfigData> | undefined;
Expand Down