json-joy
Version:
Collection of libraries for building collaborative editing apps.
34 lines (33 loc) • 1.35 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.xRemove = void 0;
const op_1 = require("../../json-patch/op");
const json_pointer_1 = require("@jsonjoy.com/json-pointer");
const util_1 = require("./util");
const json_1 = require("../../json-patch/codec/json");
const xRemove = (add, op) => {
if ((0, json_pointer_1.isRoot)(add.path))
return null;
if ((0, json_pointer_1.isRoot)(op.path))
return op;
const lastIndex = add.path.length - 1;
const lastStep = add.path[lastIndex];
const isLastStepNumberLike = (0, json_pointer_1.isValidIndex)(lastStep);
if (op instanceof op_1.OpRemove && (0, json_pointer_1.isPathEqual)(add.path, op.path) && isLastStepNumberLike)
return null;
if (isLastStepNumberLike) {
const newPath = (0, util_1.lowerArrayPath)(add.path, op.path);
const newFrom = op.from ? (0, util_1.lowerArrayPath)(add.path, op.from) : undefined;
if (newPath || newFrom) {
const operation = {
...op.toJson(),
path: newPath ? (0, json_pointer_1.formatJsonPointer)(newPath) : op.path,
};
if (newFrom)
operation.from = newFrom;
return (0, json_1.operationToOp)(operation, {});
}
}
return op;
};
exports.xRemove = xRemove;