// src/index.ts
import path from "path";
import fs from "fs";
import { createRequire } from "module";
// node_modules/.pnpm/strip-json-comments@5.0.0/node_modules/strip-json-comments/index.js
var singleComment = Symbol("singleComment");
var multiComment = Symbol("multiComment");
var stripWithoutWhitespace = () => "";
var stripWithWhitespace = (string, start, end) => string.slice(start, end).replace(/\S/g, " ");
var isEscaped = (jsonString, quotePosition) => {
let index = quotePosition - 1;
let backslashCount = 0;
while (jsonString[index] === "\\") {
index -= 1;
backslashCount += 1;
}
return Boolean(backslashCount % 2);
};
function stripJsonComments(jsonString, { whitespace = true, trailingCommas = false } = {}) {
if (typeof jsonString !== "string") {
throw new TypeError(`Expected argument \`jsonString\` to be a \`string\`, got \`${typeof jsonString}\``);
}
const strip = whitespace ? stripWithWhitespace : stripWithoutWhitespace;
let isInsideString = false;
let isInsideComment = false;
let offset = 0;
let buffer = "";
let result = "";
let commaIndex = -1;
for (let index = 0; index < jsonString.length; index++) {
const currentCharacter = jsonString[index];
const nextCharacter = jsonString[index + 1];
if (!isInsideComment && currentCharacter === '"') {
const escaped = isEscaped(jsonString, index);
if (!escaped) {
isInsideString = !isInsideString;
}
}
if (isInsideString) {
continue;
}
if (!isInsideComment && currentCharacter + nextCharacter === "//") {
buffer += jsonString.slice(offset, index);
offset = index;
isInsideComment = singleComment;
index++;
} else if (isInsideComment === singleComment && currentCharacter + nextCharacter === "\r\n") {
index++;
isInsideComment = false;
buffer += strip(jsonString, offset, index);
offset = index;
continue;
} else if (isInsideComment === singleComment && currentCharacter === "\n") {
isInsideComment = false;
buffer += strip(jsonString, offset, index);
offset = index;
} else if (!isInsideComment && currentCharacter + nextCharacter === "/*") {
buffer += jsonString.slice(offset, index);
offset = index;
isInsideComment = multiComment;
index++;
continue;
} else if (isInsideComment === multiComment && currentCharacter + nextCharacter === "*/") {
index++;
isInsideComment = false;
buffer += strip(jsonString, offset, index + 1);
offset = index + 1;
continue;
} else if (trailingCommas && !isInsideComment) {
if (commaIndex !== -1) {
if (currentCharacter === "}" || currentCharacter === "]") {
buffer += jsonString.slice(offset, index);
result += strip(buffer, 0, 1) + buffer.slice(1);
buffer = "";
offset = index;
commaIndex = -1;
} else if (currentCharacter !== " " && currentCharacter !== " " && currentCharacter !== "\r" && currentCharacter !== "\n") {
buffer += jsonString.slice(offset, index);
offset = index;
commaIndex = -1;
}
} else if (currentCharacter === ",") {
result += buffer + jsonString.slice(offset, index);
buffer = "";
offset = index;
commaIndex = index;
}
}
}
return result + buffer + (isInsideComment ? strip(jsonString.slice(offset)) : jsonString.slice(offset));
}
// src/utils.ts
function jsoncParse(data) {
try {
return new Function("return " + stripJsonComments(data).trim())();
} catch (_) {
return {};
}
}
// src/index.ts
var req = true ? createRequire(import.meta.url) : __require;
var findUp = (name, startDir, stopDir = path.parse(startDir).root) => {
let dir = startDir;
while (dir !== stopDir) {
const file = path.join(dir, name);
if (fs.existsSync(file))
return file;
if (!file.endsWith(".json")) {
const fileWithExt = file + ".json";
if (fs.existsSync(fileWithExt))
return fileWithExt;
}
dir = path.dirname(dir);
}
return null;
};
var resolveTsConfigFromFile = (cwd, filename) => {
if (path.isAbsolute(filename))
return fs.existsSync(filename) ? filename : null;
return findUp(filename, cwd);
};
var resolveTsConfigFromExtends = (cwd, name) => {
if (path.isAbsolute(name))
return fs.existsSync(name) ? name : null;
if (name.startsWith("."))
return findUp(name, cwd);
const id = req.resolve(name, { paths: [cwd] });
return id;
};
var loadTsConfigInternal = (dir = process.cwd(), name = "tsconfig.json", isExtends = false) => {
var _a, _b;
dir = path.resolve(dir);
const id = isExtends ? resolveTsConfigFromExtends(dir, name) : resolveTsConfigFromFile(dir, name);
if (!id)
return null;
const data = jsoncParse(fs.readFileSync(id, "utf-8"));
const configDir = path.dirname(id);
if ((_a = data.compilerOptions) == null ? void 0 : _a.baseUrl) {
data.compilerOptions.baseUrl = path.join(
configDir,
data.compilerOptions.baseUrl
);
}
let extendsFiles = [];
if (data.extends) {
const extendsList = Array.isArray(data.extends) ? data.extends : [data.extends];
const extendsData = {};
for (const name2 of extendsList) {
const parentConfig = loadTsConfigInternal(configDir, name2, true);
if (parentConfig) {
Object.assign(extendsData, {
...parentConfig == null ? void 0 : parentConfig.data,
compilerOptions: {
...extendsData.compilerOptions,
...(_b = parentConfig == null ? void 0 : parentConfig.data) == null ? void 0 : _b.compilerOptions
}
});
extendsFiles.push(...parentConfig.files);
}
}
Object.assign(data, {
...extendsData,
...data,
compilerOptions: {
...extendsData.compilerOptions,
...data.compilerOptions
}
});
}
delete data.extends;
return { path: id, data, files: [...extendsFiles, id] };
};
var loadTsConfig = (dir, name) => loadTsConfigInternal(dir, name);
export {
loadTsConfig
};
