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Code Issues Packages 1 Wiki Activity

perf(lsp): cache ts config in isolate until new project version (#23283)

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Nayeem Rahman 2024-04-08 22:20:20 +01:00 committed by GitHub
parent d3b63bb315
commit 214bfa37aa
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1 changed files with 29 additions and 2 deletions
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31
cli/tsc/99_main_compiler.js
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@ -162,6 +162,19 @@ delete Object.prototype.__proto__;
const isCjsCache = new SpecifierIsCjsCache();
/** @type {ts.CompilerOptions | null} */
let tsConfigCache = null;
/** @type {string | null} */
let tsConfigCacheProjectVersion = null;
/** @type {string | null} */
let projectVersionCache = null;
/** @type {number | null} */
let projectVersionCacheLastRequestId = null;
/** @type {number | null} */
let lastRequestId = null;
/**
* @param {ts.CompilerOptions | ts.MinimalResolutionCacheHost} settingsOrHost
* @returns {ts.CompilerOptions}
@ -531,7 +544,15 @@ delete Object.prototype.__proto__;
return new CancellationToken();
},
getProjectVersion() {
return ops.op_project_version();
if (
projectVersionCache && projectVersionCacheLastRequestId == lastRequestId
) {
return projectVersionCache;
}
const projectVersion = ops.op_project_version();
projectVersionCache = projectVersion;
projectVersionCacheLastRequestId = lastRequestId;
return projectVersion;
},
// @ts-ignore Undocumented method.
getModuleSpecifierCache() {
@ -730,6 +751,10 @@ delete Object.prototype.__proto__;
if (logDebug) {
debug("host.getCompilationSettings()");
}
const projectVersion = this.getProjectVersion();
if (tsConfigCache && tsConfigCacheProjectVersion == projectVersion) {
return tsConfigCache;
}
const tsConfig = normalizeConfig(ops.op_ts_config());
const { options, errors } = ts
.convertCompilerOptionsFromJson(tsConfig, "");
@ -740,6 +765,8 @@ delete Object.prototype.__proto__;
if (errors.length > 0 && logDebug) {
debug(ts.formatDiagnostics(errors, host));
}
tsConfigCache = options;
tsConfigCacheProjectVersion = projectVersion;
return options;
},
getScriptFileNames() {
@ -1020,7 +1047,7 @@ delete Object.prototype.__proto__;
if (logDebug) {
debug(`serverRequest()`, id, method, args);
}
lastRequestId = id;
// reset all memoized source files names
scriptFileNamesCache = undefined;
// evict all memoized source file versions