wip

lib/internal/policy/manifest.js

@@ -91,6 +91,10 @@ class DependencyMapperInstance {
    * @type {DependencyMap | undefined}
    */
   #dependencies;
+  /**
+   * @type {PatternDependencyMap | undefined}
+   */
+  #patternDependencies;
   /**
    * @type {DependencyMapperInstance | null | undefined}
    */
@@ -107,14 +111,44 @@ class DependencyMapperInstance {
    * @type {boolean}
    */
   allowSameHREFScope;
+  /**
+   * 
+   * @param {string} parentHREF 
+   * @param {DependencyMap | undefined} dependencies 
+   * @param {boolean} cascade 
+   * @param {boolean} allowSameHREFScope 
+   */
   constructor(
     parentHREF,
     dependencies,
     cascade = false,
     allowSameHREFScope = false
   ) {
     this.href = parentHREF;
-    this.#dependencies = dependencies;
+    if (dependencies === kFallThrough || dependencies === undefined) {
+      this.#dependencies = dependencies;
+      this.#patternDependencies = undefined;
+    } else {
+      let patterns = [];
+      let direct = ObjectCreate(null);
+      for (const [key, value] of Object.entries(dependencies)) {
+        if (key.endsWith('*')) {
+          let target = /^([^*]*)\*([^*]*)$/.exec(value);
+          if (!target) {
+            throw new Error('pattern needs to have a single "*" in target');
+          }
+          let prefix = target[1];
+          let suffix = target[2];
+          patterns.push([
+            target.slice(0, -1),
+            [prefix, suffix]
+          ]);
+        } 
+      }
+      patterns.sort((a, b) => a[0] < b[0] ? -1 : 1);
+      this.#dependencies = dependencies;
+      this.#patternDependencies = patterns;
+    }
     this.cascade = cascade;
     this.allowSameHREFScope = allowSameHREFScope;
     ObjectFreeze(this);
@@ -303,6 +337,7 @@ function findScopeHREF(href, scopeStore, allowSame) {
 
 /**
  * @typedef {Record<string, string> | typeof kFallThrough} DependencyMap
+ * @typedef {Array<[string, [string, string]]>} PatternDependencyMap
  * @typedef {Record<string, string> | null | true} JSONDependencyMap
  */
 /**