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Search up for all node_modules directories available

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This commit is contained in:
Andy Hanson
2016-09-02 07:06:13 -07:00
parent c5c6acf883
commit 0e8e5ec3e5
6 changed files with 301 additions and 14 deletions
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30
src/compiler/program.ts
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@@ -183,31 +183,33 @@ namespace ts {
}
function getDefaultTypeRoots(currentDirectory: string, host: ModuleResolutionHost): string[] | undefined {
const nodeModules = getNearestNodeModules(currentDirectory, host);
return nodeModules && [combinePaths(nodeModules, "@types")];
return map(getAllNodeModulesDirectories(currentDirectory, host), nodeModules => combinePaths(nodeModules, "@types"));
}
function getNearestNodeModules(currentDirectory: string, host: ModuleResolutionHost): string | undefined {
/** Returns the path to every node_modules directory from some ancestor directory. */
function getAllNodeModulesDirectories(currentDirectory: string, host: ModuleResolutionHost): string[] | undefined {
if (!host.directoryExists) {
return combinePaths(currentDirectory, "node_modules");
return [combinePaths(currentDirectory, "node_modules")];
// And if it doesn't exist, tough.
}
const all: string[] = [];
while (true) {
const nodeModules = combinePaths(currentDirectory, "node_modules");
if (host.directoryExists(nodeModules)) {
return nodeModules;
all.push(nodeModules);
}
else {
const parent = getDirectoryPath(currentDirectory);
if (parent === currentDirectory) {
return undefined;
}
currentDirectory = parent;
}
}
}
const parent = getDirectoryPath(currentDirectory);
if (parent === currentDirectory) {
break;
}
currentDirectory = parent;
}
return all;
}
/**
* @param {string | undefined} containingFile - file that contains type reference directive, can be undefined if containing file is unknown.
* This is possible in case if resolution is performed for directives specified via 'types' parameter. In this case initial path for secondary lookups