0.2.0 - Mid migration

web/node_modules/tsconfig-paths/lib/register.js

@@ -0,0 +1,82 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var match_path_sync_1 = require("./match-path-sync");
+var config_loader_1 = require("./config-loader");
+var options_1 = require("./options");
+var noOp = function () { return void 0; };
+function getCoreModules(builtinModules) {
+    builtinModules = builtinModules || [
+        "assert",
+        "buffer",
+        "child_process",
+        "cluster",
+        "crypto",
+        "dgram",
+        "dns",
+        "domain",
+        "events",
+        "fs",
+        "http",
+        "https",
+        "net",
+        "os",
+        "path",
+        "punycode",
+        "querystring",
+        "readline",
+        "stream",
+        "string_decoder",
+        "tls",
+        "tty",
+        "url",
+        "util",
+        "v8",
+        "vm",
+        "zlib",
+    ];
+    var coreModules = {};
+    for (var _i = 0, builtinModules_1 = builtinModules; _i < builtinModules_1.length; _i++) {
+        var module_1 = builtinModules_1[_i];
+        coreModules[module_1] = true;
+    }
+    return coreModules;
+}
+/**
+ * Installs a custom module load function that can adhere to paths in tsconfig.
+ * Returns a function to undo paths registration.
+ */
+function register(explicitParams) {
+    var configLoaderResult = config_loader_1.configLoader({
+        cwd: options_1.options.cwd,
+        explicitParams: explicitParams,
+    });
+    if (configLoaderResult.resultType === "failed") {
+        console.warn(configLoaderResult.message + ". tsconfig-paths will be skipped");
+        return noOp;
+    }
+    var matchPath = match_path_sync_1.createMatchPath(configLoaderResult.absoluteBaseUrl, configLoaderResult.paths, configLoaderResult.mainFields, configLoaderResult.addMatchAll);
+    // Patch node's module loading
+    // tslint:disable-next-line:no-require-imports variable-name
+    var Module = require("module");
+    var originalResolveFilename = Module._resolveFilename;
+    var coreModules = getCoreModules(Module.builtinModules);
+    // tslint:disable-next-line:no-any
+    Module._resolveFilename = function (request, _parent) {
+        var isCoreModule = coreModules.hasOwnProperty(request);
+        if (!isCoreModule) {
+            var found = matchPath(request);
+            if (found) {
+                var modifiedArguments = [found].concat([].slice.call(arguments, 1)); // Passes all arguments. Even those that is not specified above.
+                // tslint:disable-next-line:no-invalid-this
+                return originalResolveFilename.apply(this, modifiedArguments);
+            }
+        }
+        // tslint:disable-next-line:no-invalid-this
+        return originalResolveFilename.apply(this, arguments);
+    };
+    return function () {
+        // Return node's module loading to original state.
+        Module._resolveFilename = originalResolveFilename;
+    };
+}
+exports.register = register;