svelte-language-server
Version:
A language server for Svelte
79 lines • 3.48 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.createSvelteSys = createSvelteSys;
const utils_1 = require("./utils");
const fileCollection_1 = require("../../lib/documents/fileCollection");
/**
* This should only be accessed by TS svelte module resolution.
*/
function createSvelteSys(tsSystem) {
const fileExistsCache = new fileCollection_1.FileMap();
function svelteFileExists(path) {
if ((0, utils_1.isVirtualSvelteFilePath)(path)) {
const sveltePath = (0, utils_1.toRealSvelteFilePath)(path);
// First check if there's a `.svelte.d.ts` or `.d.svelte.ts` file, which should take precedence
const dtsPath = sveltePath.slice(0, -7) + '.svelte.d.ts';
const dtsPathExists = fileExistsCache.get(dtsPath) ?? tsSystem.fileExists(dtsPath);
fileExistsCache.set(dtsPath, dtsPathExists);
if (dtsPathExists)
return false;
const svelteDtsPathExists = fileExistsCache.get(path) ?? tsSystem.fileExists(path);
fileExistsCache.set(path, svelteDtsPathExists);
if (svelteDtsPathExists)
return false;
const sveltePathExists = fileExistsCache.get(sveltePath) ?? tsSystem.fileExists(sveltePath);
fileExistsCache.set(sveltePath, sveltePathExists);
return sveltePathExists;
}
else {
return false;
}
}
function getRealSveltePathIfExists(path) {
return svelteFileExists(path) ? (0, utils_1.toRealSvelteFilePath)(path) : path;
}
const svelteSys = {
...tsSystem,
svelteFileExists,
getRealSveltePathIfExists,
fileExists(path) {
// We need to check if this is a virtual svelte file
const sveltePathExists = svelteFileExists(path);
if (sveltePathExists)
return true;
const exists = fileExistsCache.get(path) ?? tsSystem.fileExists(path);
fileExistsCache.set(path, exists);
return exists;
},
readFile(path) {
// No getSnapshot here, because TS will very rarely call this and only for files that are not in the project
return tsSystem.readFile(getRealSveltePathIfExists(path));
},
readDirectory(path, extensions, exclude, include, depth) {
const extensionsWithSvelte = extensions ? [...extensions, '.svelte'] : undefined;
return tsSystem.readDirectory(path, extensionsWithSvelte, exclude, include, depth);
},
deleteFile(path) {
// assumption: never a foo.svelte.ts file next to a foo.svelte file
fileExistsCache.delete((0, utils_1.ensureRealSvelteFilePath)(path));
fileExistsCache.delete(path);
return tsSystem.deleteFile?.(path);
},
deleteFromCache(path) {
// assumption: never a foo.svelte.ts file next to a foo.svelte file
fileExistsCache.delete((0, utils_1.ensureRealSvelteFilePath)(path));
fileExistsCache.delete(path);
}
};
if (tsSystem.realpath) {
const realpath = tsSystem.realpath;
svelteSys.realpath = function (path) {
if (svelteFileExists(path)) {
return realpath((0, utils_1.toRealSvelteFilePath)(path));
}
return realpath(path);
};
}
return svelteSys;
}
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