chore: merge blocksuite source code (#9213)

blocksuite/affine/shared/src/utils/spec/index.ts

@@ -0,0 +1,2 @@
+export * from './spec-builder.js';
+export * from './spec-provider.js';

blocksuite/affine/shared/src/utils/spec/spec-builder.ts

@@ -0,0 +1,17 @@
+import type { ExtensionType } from '@blocksuite/block-std';
+
+export class SpecBuilder {
+  private _value: ExtensionType[];
+
+  get value() {
+    return this._value;
+  }
+
+  constructor(spec: ExtensionType[]) {
+    this._value = [...spec];
+  }
+
+  extend(extensions: ExtensionType[]) {
+    this._value = [...this._value, ...extensions];
+  }
+}

blocksuite/affine/shared/src/utils/spec/spec-provider.ts

@@ -0,0 +1,61 @@
+import type { ExtensionType } from '@blocksuite/block-std';
+import { assertExists } from '@blocksuite/global/utils';
+
+import { SpecBuilder } from './spec-builder.js';
+
+export class SpecProvider {
+  static instance: SpecProvider;
+
+  private specMap = new Map<string, ExtensionType[]>();
+
+  private constructor() {}
+
+  static getInstance() {
+    if (!SpecProvider.instance) {
+      SpecProvider.instance = new SpecProvider();
+    }
+    return SpecProvider.instance;
+  }
+
+  addSpec(id: string, spec: ExtensionType[]) {
+    if (!this.specMap.has(id)) {
+      this.specMap.set(id, spec);
+    }
+  }
+
+  clearSpec(id: string) {
+    this.specMap.delete(id);
+  }
+
+  extendSpec(id: string, newSpec: ExtensionType[]) {
+    const existingSpec = this.specMap.get(id);
+    if (!existingSpec) {
+      console.error(`Spec not found for ${id}`);
+      return;
+    }
+    this.specMap.set(id, [...existingSpec, ...newSpec]);
+  }
+
+  getSpec(id: string) {
+    const spec = this.specMap.get(id);
+    assertExists(spec, `Spec not found for ${id}`);
+    return new SpecBuilder(spec);
+  }
+
+  hasSpec(id: string) {
+    return this.specMap.has(id);
+  }
+
+  omitSpec(id: string, targetSpec: ExtensionType) {
+    const existingSpec = this.specMap.get(id);
+    if (!existingSpec) {
+      console.error(`Spec not found for ${id}`);
+      return;
+    }
+
+    this.specMap.set(
+      id,
+      existingSpec.filter(spec => spec !== targetSpec)
+    );
+  }
+}