chore: cleanup reexports

nativescript-core/module-name-resolver/index.ts

@@ -0,0 +1,110 @@
+import { ModuleNameResolver as ModuleNameResolverDefinition } from "./";
+import { screen, device } from "../platform";
+import * as appCommonModule from "../application/application-common";
+import { PlatformContext, findMatch, stripQualifiers } from "./qualifier-matcher";
+import { registerModulesFromFileSystem } from "./non-bundle-workflow-compat";
+import {
+    Trace
+} from "../trace";
+
+export type ModuleListProvider = () => string[];
+
+export class ModuleNameResolver implements ModuleNameResolverDefinition {
+    private _cache = {};
+
+    constructor(private context: PlatformContext, private moduleListProvider: ModuleListProvider = global.getRegisteredModules) {
+    }
+
+    public resolveModuleName(path: string, ext: string): string {
+        const key = path + ext;
+        let result: string = this._cache[key];
+        if (result === undefined) {
+            result = this.resolveModuleNameImpl(path, ext);
+            this._cache[key] = result;
+        }
+
+        if (Trace.isEnabled()) {
+            Trace.write(`path: '${path}' with ext: '${ext}' resolved: '${result}'`, Trace.categories.ModuleNameResolver);
+        }
+
+        return result;
+    }
+
+    public clearCache(): void {
+        this._cache = {};
+    }
+
+    private resolveModuleNameImpl(path: string, ext: string): string {
+        let result: string = null;
+        ext = ext ? "." + ext : "";
+
+        // Compatibility path for non-webpack workflow
+        // register modules from FS first
+        if (!global.TNS_WEBPACK) {
+            registerModulesFromFileSystem(path);
+        }
+
+        // This call will return a clean path without qualifiers
+        path = stripQualifiers(path);
+
+        let candidates = this.getCandidates(path, ext);
+        result = findMatch(path, ext, candidates, this.context);
+
+        return result;
+    }
+
+    private getCandidates(path: string, ext: string): Array<string> {
+        const candidates = this.moduleListProvider()
+            .filter((moduleName) => moduleName.startsWith(path) && (!ext || moduleName.endsWith(ext)));
+
+        return candidates;
+    }
+}
+
+let resolverInstance: ModuleNameResolver;
+
+export function resolveModuleName(path: string, ext: string): string {
+    if (global.__snapshot) {
+        return resolveModuleSnapshot(path, ext);
+    }
+
+    if (!resolverInstance) {
+        resolverInstance = new ModuleNameResolver({
+            width: screen.mainScreen.widthDIPs,
+            height: screen.mainScreen.heightDIPs,
+            os: device.os,
+            deviceType: device.deviceType
+        });
+    }
+
+    return resolverInstance.resolveModuleName(path, ext);
+}
+
+function resolveModuleSnapshot(path, ext) {
+    Trace.write(`Resolving module in SNAPSHOT context - path: '${path}' with ext: '${ext}'`, Trace.categories.ModuleNameResolver);
+
+    // Platform module when in snapshot. So resolve modules with default android phone.
+    // NB: The only module name that should ever be resolved while in snapshot is app.css, because it is
+    // applied explicitly in the snapshot by [NativeScriptSnapshotPlugin](https://github.com/NativeScript/nativescript-dev-webpack/blob/48b26f412fd70c19dc0b9c7763e08e9505a0ae11/plugins/NativeScriptSnapshotPlugin/index.js#L48-L56)
+    return new ModuleNameResolver({
+        width: 400,
+        height: 800,
+        os: "Android",
+        deviceType: "Phone"
+    }).resolveModuleName(path, ext);
+}
+
+export function clearCache() {
+    if (resolverInstance) {
+        resolverInstance.clearCache();
+    }
+}
+
+export function _setResolver(resolver: ModuleNameResolver) {
+    resolverInstance = resolver;
+}
+
+appCommonModule.on("livesync", args => clearCache());
+appCommonModule.on("orientationChanged", args => {
+    resolverInstance = undefined;
+});