fast-json-schema-patch/dist/index.d.cts

Ultra-fast, schema-aware JSON patch generation and human-readable diffing. A high-performance JSON patch library that leverages schema knowledge to generate efficient, semantic patches with tools for creating human-readable diffs suitable for frontend app

//#region src/types.d.ts
type JsonValue = string | number | boolean | null | JsonObject | JsonArray;
type JsonObject = { [Key in string]?: JsonValue };
type JsonArray = JsonValue[];
interface StructuredDiffConfig {
  pathPrefix: string;
  original: JsonValue;
  modified: JsonValue;
  patches?: Operation[];
}
interface StructuredDiffResult {
  parentDiff: FormattedParentDiff;
  childDiffs: Record<string, FormattedChildDiff>;
}
interface FormattedParentDiff {
  original: JsonValue;
  new: JsonValue;
  patches: Operation[];
  diffLines: StructuredDiffLine[];
  addCount: number;
  removeCount: number;
}
interface FormattedChildDiff {
  id: string;
  original: JsonObject;
  new: JsonObject;
  patches: Operation[];
  diffLines: StructuredDiffLine[];
  addCount: number;
  removeCount: number;
}
interface Operation {
  op: "add" | "remove" | "replace" | "move" | "copy" | "test";
  path: string;
  value?: JsonValue;
  from?: string;
  oldValue?: JsonValue;
}
interface StructuredDiffLine {
  type: "added" | "removed" | "unchanged";
  content: string;
  oldLineNumber?: number;
  newLineNumber?: number;
  key: string;
}
//#endregion
//#region src/core/buildPlan.d.ts
interface JSONSchema extends JsonObject {
  $ref?: string;
  type?: string | string[];
  properties?: Record<string, JSONSchema>;
  additionalProperties?: boolean | JSONSchema;
  items?: JSONSchema;
  anyOf?: JSONSchema[];
  oneOf?: JSONSchema[];
  allOf?: JSONSchema[];
  required?: string[];
}
type Schema = JSONSchema;
interface ArrayPlan {
  primaryKey: string | null;
  itemSchema?: JSONSchema;
  requiredFields?: Set<string>;
  hashFields?: string[];
  strategy?: "primaryKey" | "lcs" | "unique";
}
type Plan = Map<string, ArrayPlan>;
interface BuildPlanOptions {
  schema: Schema;
  primaryKeyMap?: Record<string, string>;
  basePath?: string;
}
declare function buildPlan(options: BuildPlanOptions): Plan;
//#endregion
//#region src/aggregators/StructuredDiff.d.ts
declare class StructuredDiff {
  private plan;
  constructor(options: {
    plan: Plan;
  });
  private getIdKeyForPath;
  private supportsAggregation;
  private isArrayPath;
  private getArrayPlanForPath;
  private aggregateWithoutChildSeparation;
  private compareObjects;
  execute(config: StructuredDiffConfig): StructuredDiffResult;
  private getAndStripChildArray;
}
//#endregion
//#region src/index.d.ts
declare class JsonSchemaPatcher {
  private plan;
  private planLookupCache;
  private wildcardPathCache;
  private negativePlanCache;
  private readonly planIsEmpty;
  private simplePathCache;
  constructor(options: {
    plan: Plan;
  });
  private getWildcardPathCached;
  execute({
    original,
    modified
  }: {
    original: JsonValue;
    modified: JsonValue;
  }): Operation[];
  private diff;
  private diffObject;
  private diffArray;
  private simpleArrayDiff;
  private getPlanForPath;
  private refine;
}
//#endregion
export { BuildPlanOptions, FormattedChildDiff, FormattedParentDiff, JsonSchemaPatcher, Operation, Plan, StructuredDiff, StructuredDiffConfig, StructuredDiffLine, StructuredDiffResult, buildPlan };
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