projen
Version:
CDK for software projects
153 lines • 14.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.JsonPatch = exports.TestFailureBehavior = void 0;
const JSII_RTTI_SYMBOL_1 = Symbol.for("jsii.rtti");
const fast_json_patch_1 = require("fast-json-patch");
var TestFailureBehavior;
(function (TestFailureBehavior) {
/**
* Skip the current patch operation and continue with the next operation.
*/
TestFailureBehavior["SKIP"] = "skip";
/**
* Fail the whole file synthesis.
*/
TestFailureBehavior["FAIL_SYNTHESIS"] = "fail";
})(TestFailureBehavior || (exports.TestFailureBehavior = TestFailureBehavior = {}));
const TEST_FAILURE_BEHAVIOR_SYMBOL = Symbol.for("testFailureBehavior");
/**
* Utility for applying RFC-6902 JSON-Patch to a document.
*
* Use the the `JsonPatch.apply(doc, ...ops)` function to apply a set of
* operations to a JSON document and return the result.
*
* Operations can be created using the factory methods `JsonPatch.add()`,
* `JsonPatch.remove()`, etc.
*
* @example
*
*const output = JsonPatch.apply(input,
* JsonPatch.replace('/world/hi/there', 'goodbye'),
* JsonPatch.add('/world/foo/', 'boom'),
* JsonPatch.remove('/hello'));
*
*/
class JsonPatch {
operation;
static [JSII_RTTI_SYMBOL_1] = { fqn: "projen.JsonPatch", version: "0.103.12" };
/**
* Applies a set of JSON-Patch (RFC-6902) operations to `document` and returns the result.
* @param document The document to patch
* @param ops The operations to apply
* @returns The result document
*/
static apply(document, ...ops) {
try {
const result = (0, fast_json_patch_1.applyPatch)(document, (0, fast_json_patch_1.deepClone)(ops.map((o) => o._toJson())));
return result.newDocument;
}
catch (e) {
if (e instanceof fast_json_patch_1.JsonPatchError && e.name === "TEST_OPERATION_FAILED") {
const op = ops[e.index];
if (TEST_FAILURE_BEHAVIOR_SYMBOL in op) {
const failureBehavior = op[TEST_FAILURE_BEHAVIOR_SYMBOL];
if (failureBehavior === TestFailureBehavior.SKIP) {
return document;
}
}
}
throw e;
}
}
/**
* Adds a value to an object or inserts it into an array. In the case of an
* array, the value is inserted before the given index. The - character can be
* used instead of an index to insert at the end of an array.
*
* @example JsonPatch.add('/biscuits/1', { "name": "Ginger Nut" })
*/
static add(path, value) {
return new JsonPatch({
op: "add",
path,
value,
});
}
/**
* Removes a value from an object or array.
*
* @example JsonPatch.remove('/biscuits')
* @example JsonPatch.remove('/biscuits/0')
*/
static remove(path) {
return new JsonPatch({ op: "remove", path });
}
/**
* Replaces a value. Equivalent to a “remove” followed by an “add”.
*
* @example JsonPatch.replace('/biscuits/0/name', 'Chocolate Digestive')
*/
static replace(path, value) {
return new JsonPatch({
op: "replace",
path,
value,
});
}
/**
* Copies a value from one location to another within the JSON document. Both
* from and path are JSON Pointers.
*
* @example JsonPatch.copy('/biscuits/0', '/best_biscuit')
*/
static copy(from, path) {
return new JsonPatch({ op: "copy", from, path });
}
/**
* Moves a value from one location to the other. Both from and path are JSON Pointers.
*
* @example JsonPatch.move('/biscuits', '/cookies')
*/
static move(from, path) {
return new JsonPatch({ op: "move", from, path });
}
/**
* Tests that the specified value is set in the document. If the test fails,
* then the patch as a whole should not apply.
*
* @example JsonPatch.test('/best_biscuit/name', 'Choco Leibniz')
*/
static test(path, value, failureBehavior = TestFailureBehavior.SKIP) {
const patch = new JsonPatch({
op: "test",
path,
value,
});
Object.defineProperty(patch, TEST_FAILURE_BEHAVIOR_SYMBOL, {
writable: false,
value: failureBehavior,
});
return patch;
}
/**
* Escapes a json pointer path
* @param path The raw pointer
* @return the Escaped path
*/
static escapePath(path) {
return (0, fast_json_patch_1.escapePathComponent)(path);
}
constructor(operation) {
this.operation = operation;
}
/**
* Returns the JSON representation of this JSON patch operation.
*
* @internal
*/
_toJson() {
return this.operation;
}
}
exports.JsonPatch = JsonPatch;
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In the case of an\n   * array, the value is inserted before the given index. The - character can be\n   * used instead of an index to insert at the end of an array.\n   *\n   * @example JsonPatch.add('/biscuits/1', { \"name\": \"Ginger Nut\" })\n   */\n  public static add(path: string, value: any) {\n    return new JsonPatch({\n      op: \"add\",\n      path,\n      value,\n    } satisfies AddOperation<any>);\n  }\n\n  /**\n   * Removes a value from an object or array.\n   *\n   * @example JsonPatch.remove('/biscuits')\n   * @example JsonPatch.remove('/biscuits/0')\n   */\n  public static remove(path: string) {\n    return new JsonPatch({ op: \"remove\", path } satisfies RemoveOperation);\n  }\n\n  /**\n   * Replaces a value. Equivalent to a “remove” followed by an “add”.\n   *\n   * @example JsonPatch.replace('/biscuits/0/name', 'Chocolate Digestive')\n   */\n  public static replace(path: string, value: any) {\n    return new JsonPatch({\n      op: \"replace\",\n      path,\n      value,\n    } satisfies ReplaceOperation<any>);\n  }\n\n  /**\n   * Copies a value from one location to another within the JSON document. Both\n   * from and path are JSON Pointers.\n   *\n   * @example JsonPatch.copy('/biscuits/0', '/best_biscuit')\n   */\n  public static copy(from: string, path: string) {\n    return new JsonPatch({ op: \"copy\", from, path } satisfies CopyOperation);\n  }\n\n  /**\n   * Moves a value from one location to the other. Both from and path are JSON Pointers.\n   *\n   * @example JsonPatch.move('/biscuits', '/cookies')\n   */\n  public static move(from: string, path: string) {\n    return new JsonPatch({ op: \"move\", from, path } satisfies MoveOperation);\n  }\n\n  /**\n   * Tests that the specified value is set in the document. If the test fails,\n   * then the patch as a whole should not apply.\n   *\n   * @example JsonPatch.test('/best_biscuit/name', 'Choco Leibniz')\n   */\n  public static test(\n    path: string,\n    value: any,\n    failureBehavior: TestFailureBehavior = TestFailureBehavior.SKIP,\n  ) {\n    const patch = new JsonPatch({\n      op: \"test\",\n      path,\n      value,\n    } satisfies TestOperation<any>);\n    Object.defineProperty(patch, TEST_FAILURE_BEHAVIOR_SYMBOL, {\n      writable: false,\n      value: failureBehavior,\n    });\n    return patch;\n  }\n\n  /**\n   * Escapes a json pointer path\n   * @param path The raw pointer\n   * @return the Escaped path\n   */\n  public static escapePath(path: string): string {\n    return escapePathComponent(path);\n  }\n\n  private constructor(private readonly operation: Operation) {}\n\n  /**\n   * Returns the JSON representation of this JSON patch operation.\n   *\n   * @internal\n   */\n  public _toJson(): any {\n    return this.operation;\n  }\n}\n"]}