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Commitb0ec8de

Browse files
committed
Cache runtime results
1 parentc50424d commitb0ec8de

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3 files changed

+28
-8
lines changed

3 files changed

+28
-8
lines changed

‎scripts/find-runtime.ts‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -19,9 +19,9 @@ Examples:
1919

2020
constproject=args[args.length-1];
2121

22-
import{findRuntime}from"../server/src/find-runtime.ts";
22+
import{findRescriptRuntimesInProject}from"../server/src/find-runtime.ts";
2323

24-
construntimes=awaitfindRuntime(project);
24+
construntimes=awaitfindRescriptRuntimesInProject(project);
2525

2626
console.log("Found @rescript/runtime directories:",runtimes);
2727

‎server/src/bsc-args/rewatch.ts‎

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@ import {
77
IncrementallyCompiledFileInfo,
88
}from"../incrementalCompilation";
99
importtype{projectFiles}from"../projectFiles";
10-
import{findRuntime}from"../find-runtime";
10+
import{findRescriptRuntimesInProject}from"../find-runtime";
1111

1212
exporttypeRewatchCompilerArgs={
1313
compiler_args:Array<string>;
@@ -93,8 +93,9 @@ export async function getRewatchBscArgs(
9393
// TODO: We should check a potential configured value
9494
// Users should be able to provide this themselves if they like.
9595

96-
// TODO: We should also cache this value if we found it.
97-
constrescriptRuntimes=awaitfindRuntime(entry.project.workspaceRootPath);
96+
constrescriptRuntimes=awaitfindRescriptRuntimesInProject(
97+
entry.project.workspaceRootPath,
98+
);
9899

99100
if(debug()){
100101
if(rescriptRuntimes.length===0){

‎server/src/find-runtime.ts‎

Lines changed: 22 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
import{readdir,statasstatAsync}from"fs/promises";
2-
import{join}from"path";
2+
import{join,resolve}from"path";
33

44
// Efficient parallel folder traversal to find node_modules directories
55
asyncfunctionfindNodeModulesDirs(
@@ -88,7 +88,7 @@ async function findDenoRescriptRuntime(nodeModulesPath: string) {
8888
returnresults;
8989
}
9090

91-
exportasyncfunctionfindRuntime(project:string){
91+
asyncfunctionfindRuntimePath(project:string){
9292
// Find all node_modules directories using efficient traversal
9393
constnode_modules=awaitfindNodeModulesDirs(project);
9494

@@ -117,5 +117,24 @@ export async function findRuntime(project: string) {
117117
}),
118118
).then((results)=>results.flatMap((x)=>x));
119119

120-
returnrescriptRuntimeDirs;
120+
returnrescriptRuntimeDirs.map((runtime)=>resolve(runtime));
121121
}
122+
123+
functionfindRuntimeCached(){
124+
constcache=newMap<string,string[]>();
125+
returnasync(project:string)=>{
126+
if(cache.has(project)){
127+
returncache.get(project)!;
128+
}
129+
construntimes=awaitfindRuntimePath(project);
130+
cache.set(project,runtimes);
131+
returnruntimes;
132+
};
133+
}
134+
135+
/**
136+
* Find all installed @rescript/runtime directories in the given project path.
137+
* In a perfect world, there should be exactly one.
138+
* This function is cached per project path.
139+
*/
140+
exportconstfindRescriptRuntimesInProject=findRuntimeCached();

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