Method modify

packages/schematics/angular/utility/json-file.ts:74–108

(
    jsonPath: JSONPath,
    value: JsonValue | undefined,
    insertInOrder?: InsertionIndex | false,
  )

  }

  modify(
    jsonPath: JSONPath,
    value: JsonValue | undefined,
    insertInOrder?: InsertionIndex | false,
  ): void {
    let getInsertionIndex: InsertionIndex | undefined;
    if (insertInOrder === undefined) {
      const property = jsonPath.slice(-1)[0];
      getInsertionIndex = (properties) =>
        [...properties, property].sort().findIndex((p) => p === property);
    } else if (insertInOrder !== false) {
      getInsertionIndex = insertInOrder;
    }

    const edits = modify(this.content, jsonPath, value, {
      getInsertionIndex,

      formattingOptions: {
        eol: this.eol,
        insertSpaces: true,
        tabSize: 2,
      },
    });

    if (edits.length > 0) {
      const editedContent = applyEdits(this.content, edits);

      // Update the file content if it changed
      if (editedContent !== this.content) {
        this.content = editedContent;
        this.host.overwrite(this.path, editedContent);
        this._jsonAst = undefined;
      }
    }
  }

  remove(jsonPath: JSONPath): void {
    if (this.get(jsonPath) !== undefined) {