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56 lines
1.7 KiB
JavaScript
56 lines
1.7 KiB
JavaScript
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getPackageJson = void 0;
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const fs_1 = __importDefault(require("fs"));
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const path_1 = __importDefault(require("path"));
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const cache_1 = require("./cache");
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const isRunOnBrowser = !fs_1.default.readFileSync;
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const cache = (0, cache_1.createCache)();
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function readPackageJson(dir) {
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if (isRunOnBrowser)
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return null;
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const filePath = path_1.default.join(dir, 'package.json');
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try {
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const text = fs_1.default.readFileSync(filePath, 'utf8');
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const data = JSON.parse(text);
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if (typeof data === 'object' && data !== null) {
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data.filePath = filePath;
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return data;
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}
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}
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catch (_err) {
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}
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return null;
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}
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function getPackageJson(startPath = 'a.js') {
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if (isRunOnBrowser)
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return null;
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const startDir = path_1.default.dirname(path_1.default.resolve(startPath));
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let dir = startDir;
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let prevDir = '';
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let data = null;
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do {
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data = cache.get(dir);
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if (data) {
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if (dir !== startDir) {
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cache.set(startDir, data);
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}
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return data;
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}
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data = readPackageJson(dir);
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if (data) {
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cache.set(dir, data);
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cache.set(startDir, data);
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return data;
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}
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prevDir = dir;
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dir = path_1.default.resolve(dir, '..');
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} while (dir !== prevDir);
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cache.set(startDir, null);
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return null;
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}
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exports.getPackageJson = getPackageJson;
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