spinjs
Version:
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60 lines • 2.73 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var fs = require("fs");
var path = require("path");
var resolvePackagesCache = {};
var resolveModulesCache = {};
var KNOWN_RN_PACKAGES = [/expo.*/, /@expo.*/, /react-navigation.*/, /react-native.*/];
exports.default = (function (builder, modulePath) {
var idx = modulePath.lastIndexOf(path.sep + 'node_modules' + path.sep);
if (idx >= 0) {
if (resolveModulesCache[modulePath] === undefined) {
var pkgPathStart = modulePath[idx + 14] !== '@' ? idx + 14 : modulePath.indexOf(path.sep, idx + 14) + 1;
var pkgPathEnd = modulePath.indexOf(path.sep, pkgPathStart);
if (pkgPathEnd < 0) {
pkgPathEnd = modulePath.length;
}
var pkgPath = modulePath.substr(0, pkgPathEnd);
if (resolvePackagesCache[pkgPath] === undefined) {
var pkgName_1 = pkgPath.substr(idx + 14);
var shouldTranspile = KNOWN_RN_PACKAGES.some(function (regex) { return regex.test(pkgName_1); });
var resolvedPath = pkgPath;
if (!shouldTranspile) {
try {
if (fs.lstatSync(pkgPath).isSymbolicLink()) {
var realPath = fs.realpathSync(pkgPath);
resolvedPath = realPath;
shouldTranspile = realPath.indexOf(builder.projectRoot) === 0;
}
}
catch (e) { }
}
if (!shouldTranspile) {
var entryFileText = void 0;
try {
entryFileText = fs.readFileSync(builder.require.resolve(pkgName_1), 'utf8');
}
catch (e) { }
shouldTranspile =
!entryFileText || entryFileText.indexOf('__esModule') >= 0
? false
: /^(export|import)[\s]/m.test(entryFileText);
}
resolvePackagesCache[pkgPath] = {
realPath: resolvedPath,
shouldTranspile: shouldTranspile
};
}
var resolvedPkg = resolvePackagesCache[pkgPath];
resolveModulesCache[modulePath] = {
realPath: path.join(resolvedPkg.realPath, modulePath.substr(pkgPathEnd + 1)),
shouldTranspile: resolvedPkg.shouldTranspile
};
}
return resolveModulesCache[modulePath];
}
else {
return { realPath: modulePath, shouldTranspile: true };
}
});
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