yunnysunny / bookforge / 20639889242

coverage: 55.087% (-36.6%) from 91.667%
20639889242

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github

web-flow 
feat: add notion support

27 of 51 branches covered (52.94%)

Branch coverage included in aggregate %.

75 of 221 new or added lines in 12 files covered. (33.94%)

195 of 352 relevant lines covered (55.4%)

23.5 hits per line

Source File
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0.0
/src/utils/relation.ts
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export type ParentId = string;
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export type ChildId = string;
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export interface Child {
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  childId: ChildId;
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  relativePath: string;
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}
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export interface Relation extends Child {
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  parentId: ParentId;
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}
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export class RelationManager {
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  private parent2Children: Map<ParentId, Child[]>;
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  // private child2Parent: Map<ChildId, ParentId>;
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  constructor() {
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    this.parent2Children = new Map();
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    // this.child2Parent = new Map();
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  }
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  addRelation(relation: Relation) {
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    const { parentId, ...rest } = relation;
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    this.parent2Children.set(parentId, [
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      ...(this.parent2Children.get(parentId) || []),
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      rest,
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    ]);
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  }
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  getTopEntities(): ParentId[] {
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    const map = new Map(this.parent2Children);
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    for (const [_, children] of map.entries()) {
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      children.forEach((child) => {
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        map.delete(child.childId);
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      });
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    }
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    return Array.from(map.keys());
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  }
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  getChildren(parentId: ParentId): Child[] {
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    return this.parent2Children.get(parentId) || [];
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  }
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}