303 lines
14 KiB
JavaScript
303 lines
14 KiB
JavaScript
"use strict";
|
|
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
|
|
if (k2 === undefined) k2 = k;
|
|
var desc = Object.getOwnPropertyDescriptor(m, k);
|
|
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
|
|
desc = { enumerable: true, get: function() { return m[k]; } };
|
|
}
|
|
Object.defineProperty(o, k2, desc);
|
|
}) : (function(o, m, k, k2) {
|
|
if (k2 === undefined) k2 = k;
|
|
o[k2] = m[k];
|
|
}));
|
|
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
|
|
Object.defineProperty(o, "default", { enumerable: true, value: v });
|
|
}) : function(o, v) {
|
|
o["default"] = v;
|
|
});
|
|
var __importStar = (this && this.__importStar) || (function () {
|
|
var ownKeys = function(o) {
|
|
ownKeys = Object.getOwnPropertyNames || function (o) {
|
|
var ar = [];
|
|
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
|
|
return ar;
|
|
};
|
|
return ownKeys(o);
|
|
};
|
|
return function (mod) {
|
|
if (mod && mod.__esModule) return mod;
|
|
var result = {};
|
|
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
|
|
__setModuleDefault(result, mod);
|
|
return result;
|
|
};
|
|
})();
|
|
var __importDefault = (this && this.__importDefault) || function (mod) {
|
|
return (mod && mod.__esModule) ? mod : { "default": mod };
|
|
};
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
|
const ref_js_1 = __importDefault(require("./ref.js"));
|
|
const pointer_js_1 = __importDefault(require("./pointer.js"));
|
|
const url = __importStar(require("./util/url.js"));
|
|
/**
|
|
* Bundles all external JSON references into the main JSON schema, thus resulting in a schema that
|
|
* only has *internal* references, not any *external* references.
|
|
* This method mutates the JSON schema object, adding new references and re-mapping existing ones.
|
|
*
|
|
* @param parser
|
|
* @param options
|
|
*/
|
|
function bundle(parser, options) {
|
|
// console.log('Bundling $ref pointers in %s', parser.$refs._root$Ref.path);
|
|
// Build an inventory of all $ref pointers in the JSON Schema
|
|
const inventory = [];
|
|
crawl(parser, "schema", parser.$refs._root$Ref.path + "#", "#", 0, inventory, parser.$refs, options);
|
|
// Remap all $ref pointers
|
|
remap(inventory);
|
|
}
|
|
/**
|
|
* Recursively crawls the given value, and inventories all JSON references.
|
|
*
|
|
* @param parent - The object containing the value to crawl. If the value is not an object or array, it will be ignored.
|
|
* @param key - The property key of `parent` to be crawled
|
|
* @param path - The full path of the property being crawled, possibly with a JSON Pointer in the hash
|
|
* @param pathFromRoot - The path of the property being crawled, from the schema root
|
|
* @param indirections
|
|
* @param inventory - An array of already-inventoried $ref pointers
|
|
* @param $refs
|
|
* @param options
|
|
*/
|
|
function crawl(parent, key, path, pathFromRoot, indirections, inventory, $refs, options) {
|
|
const obj = key === null ? parent : parent[key];
|
|
const bundleOptions = (options.bundle || {});
|
|
const isExcludedPath = bundleOptions.excludedPathMatcher || (() => false);
|
|
if (obj && typeof obj === "object" && !ArrayBuffer.isView(obj) && !isExcludedPath(pathFromRoot)) {
|
|
if (ref_js_1.default.isAllowed$Ref(obj)) {
|
|
inventory$Ref(parent, key, path, pathFromRoot, indirections, inventory, $refs, options);
|
|
}
|
|
else {
|
|
// Crawl the object in a specific order that's optimized for bundling.
|
|
// This is important because it determines how `pathFromRoot` gets built,
|
|
// which later determines which keys get dereferenced and which ones get remapped
|
|
const keys = Object.keys(obj).sort((a, b) => {
|
|
// Most people will expect references to be bundled into the the "definitions" property,
|
|
// so we always crawl that property first, if it exists.
|
|
if (a === "definitions" || a === "$defs") {
|
|
return -1;
|
|
}
|
|
else if (b === "definitions" || b === "$defs") {
|
|
return 1;
|
|
}
|
|
else {
|
|
// Otherwise, crawl the keys based on their length.
|
|
// This produces the shortest possible bundled references
|
|
return a.length - b.length;
|
|
}
|
|
});
|
|
for (const key of keys) {
|
|
const keyPath = pointer_js_1.default.join(path, key);
|
|
const keyPathFromRoot = pointer_js_1.default.join(pathFromRoot, key);
|
|
const value = obj[key];
|
|
if (ref_js_1.default.isAllowed$Ref(value)) {
|
|
inventory$Ref(obj, key, path, keyPathFromRoot, indirections, inventory, $refs, options);
|
|
}
|
|
else {
|
|
crawl(obj, key, keyPath, keyPathFromRoot, indirections, inventory, $refs, options);
|
|
}
|
|
// We need to ensure that we have an object to work with here because we may be crawling
|
|
// an `examples` schema and `value` may be nullish.
|
|
if (value && typeof value === "object" && !Array.isArray(value)) {
|
|
if ("$ref" in value) {
|
|
bundleOptions?.onBundle?.(value["$ref"], obj[key], obj, key);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Inventories the given JSON Reference (i.e. records detailed information about it so we can
|
|
* optimize all $refs in the schema), and then crawls the resolved value.
|
|
*
|
|
* @param $refParent - The object that contains a JSON Reference as one of its keys
|
|
* @param $refKey - The key in `$refParent` that is a JSON Reference
|
|
* @param path - The full path of the JSON Reference at `$refKey`, possibly with a JSON Pointer in the hash
|
|
* @param indirections - unknown
|
|
* @param pathFromRoot - The path of the JSON Reference at `$refKey`, from the schema root
|
|
* @param inventory - An array of already-inventoried $ref pointers
|
|
* @param $refs
|
|
* @param options
|
|
*/
|
|
function inventory$Ref($refParent, $refKey, path, pathFromRoot, indirections, inventory, $refs, options) {
|
|
const $ref = $refKey === null ? $refParent : $refParent[$refKey];
|
|
const $refPath = url.resolve(path, $ref.$ref);
|
|
const pointer = $refs._resolve($refPath, pathFromRoot, options);
|
|
if (pointer === null) {
|
|
return;
|
|
}
|
|
const parsed = pointer_js_1.default.parse(pathFromRoot);
|
|
const depth = parsed.length;
|
|
const file = url.stripHash(pointer.path);
|
|
const hash = url.getHash(pointer.path);
|
|
const external = file !== $refs._root$Ref.path;
|
|
const extended = ref_js_1.default.isExtended$Ref($ref);
|
|
indirections += pointer.indirections;
|
|
const existingEntry = findInInventory(inventory, $refParent, $refKey);
|
|
if (existingEntry) {
|
|
// This $Ref has already been inventoried, so we don't need to process it again
|
|
if (depth < existingEntry.depth || indirections < existingEntry.indirections) {
|
|
removeFromInventory(inventory, existingEntry);
|
|
}
|
|
else {
|
|
return;
|
|
}
|
|
}
|
|
inventory.push({
|
|
$ref, // The JSON Reference (e.g. {$ref: string})
|
|
parent: $refParent, // The object that contains this $ref pointer
|
|
key: $refKey, // The key in `parent` that is the $ref pointer
|
|
pathFromRoot, // The path to the $ref pointer, from the JSON Schema root
|
|
depth, // How far from the JSON Schema root is this $ref pointer?
|
|
file, // The file that the $ref pointer resolves to
|
|
hash, // The hash within `file` that the $ref pointer resolves to
|
|
value: pointer.value, // The resolved value of the $ref pointer
|
|
circular: pointer.circular, // Is this $ref pointer DIRECTLY circular? (i.e. it references itself)
|
|
extended, // Does this $ref extend its resolved value? (i.e. it has extra properties, in addition to "$ref")
|
|
external, // Does this $ref pointer point to a file other than the main JSON Schema file?
|
|
indirections, // The number of indirect references that were traversed to resolve the value
|
|
});
|
|
// Recursively crawl the resolved value
|
|
if (!existingEntry || external) {
|
|
crawl(pointer.value, null, pointer.path, pathFromRoot, indirections + 1, inventory, $refs, options);
|
|
}
|
|
}
|
|
/**
|
|
* Re-maps every $ref pointer, so that they're all relative to the root of the JSON Schema.
|
|
* Each referenced value is dereferenced EXACTLY ONCE. All subsequent references to the same
|
|
* value are re-mapped to point to the first reference.
|
|
*
|
|
* @example: {
|
|
* first: { $ref: somefile.json#/some/part },
|
|
* second: { $ref: somefile.json#/another/part },
|
|
* third: { $ref: somefile.json },
|
|
* fourth: { $ref: somefile.json#/some/part/sub/part }
|
|
* }
|
|
*
|
|
* In this example, there are four references to the same file, but since the third reference points
|
|
* to the ENTIRE file, that's the only one we need to dereference. The other three can just be
|
|
* remapped to point inside the third one.
|
|
*
|
|
* On the other hand, if the third reference DIDN'T exist, then the first and second would both need
|
|
* to be dereferenced, since they point to different parts of the file. The fourth reference does NOT
|
|
* need to be dereferenced, because it can be remapped to point inside the first one.
|
|
*
|
|
* @param inventory
|
|
*/
|
|
function remap(inventory) {
|
|
// Group & sort all the $ref pointers, so they're in the order that we need to dereference/remap them
|
|
inventory.sort((a, b) => {
|
|
if (a.file !== b.file) {
|
|
// Group all the $refs that point to the same file
|
|
return a.file < b.file ? -1 : +1;
|
|
}
|
|
else if (a.hash !== b.hash) {
|
|
// Group all the $refs that point to the same part of the file
|
|
return a.hash < b.hash ? -1 : +1;
|
|
}
|
|
else if (a.circular !== b.circular) {
|
|
// If the $ref points to itself, then sort it higher than other $refs that point to this $ref
|
|
return a.circular ? -1 : +1;
|
|
}
|
|
else if (a.extended !== b.extended) {
|
|
// If the $ref extends the resolved value, then sort it lower than other $refs that don't extend the value
|
|
return a.extended ? +1 : -1;
|
|
}
|
|
else if (a.indirections !== b.indirections) {
|
|
// Sort direct references higher than indirect references
|
|
return a.indirections - b.indirections;
|
|
}
|
|
else if (a.depth !== b.depth) {
|
|
// Sort $refs by how close they are to the JSON Schema root
|
|
return a.depth - b.depth;
|
|
}
|
|
else {
|
|
// Determine how far each $ref is from the "definitions" property.
|
|
// Most people will expect references to be bundled into the the "definitions" property if possible.
|
|
const aDefinitionsIndex = Math.max(a.pathFromRoot.lastIndexOf("/definitions"), a.pathFromRoot.lastIndexOf("/$defs"));
|
|
const bDefinitionsIndex = Math.max(b.pathFromRoot.lastIndexOf("/definitions"), b.pathFromRoot.lastIndexOf("/$defs"));
|
|
if (aDefinitionsIndex !== bDefinitionsIndex) {
|
|
// Give higher priority to the $ref that's closer to the "definitions" property
|
|
return bDefinitionsIndex - aDefinitionsIndex;
|
|
}
|
|
else {
|
|
// All else is equal, so use the shorter path, which will produce the shortest possible reference
|
|
return a.pathFromRoot.length - b.pathFromRoot.length;
|
|
}
|
|
}
|
|
});
|
|
let file, hash, pathFromRoot;
|
|
for (const entry of inventory) {
|
|
// console.log('Re-mapping $ref pointer "%s" at %s', entry.$ref.$ref, entry.pathFromRoot);
|
|
if (!entry.external) {
|
|
// This $ref already resolves to the main JSON Schema file
|
|
entry.$ref.$ref = entry.hash;
|
|
}
|
|
else if (entry.file === file && entry.hash === hash) {
|
|
// This $ref points to the same value as the prevous $ref, so remap it to the same path
|
|
entry.$ref.$ref = pathFromRoot;
|
|
}
|
|
else if (entry.file === file && entry.hash.indexOf(hash + "/") === 0) {
|
|
// This $ref points to a sub-value of the prevous $ref, so remap it beneath that path
|
|
entry.$ref.$ref = pointer_js_1.default.join(pathFromRoot, pointer_js_1.default.parse(entry.hash.replace(hash, "#")));
|
|
}
|
|
else {
|
|
// We've moved to a new file or new hash
|
|
file = entry.file;
|
|
hash = entry.hash;
|
|
pathFromRoot = entry.pathFromRoot;
|
|
// This is the first $ref to point to this value, so dereference the value.
|
|
// Any other $refs that point to the same value will point to this $ref instead
|
|
entry.$ref = entry.parent[entry.key] = ref_js_1.default.dereference(entry.$ref, entry.value);
|
|
if (entry.circular) {
|
|
// This $ref points to itself
|
|
entry.$ref.$ref = entry.pathFromRoot;
|
|
}
|
|
}
|
|
}
|
|
// we want to ensure that any $refs that point to another $ref are remapped to point to the final value
|
|
// let hadChange = true;
|
|
// while (hadChange) {
|
|
// hadChange = false;
|
|
// for (const entry of inventory) {
|
|
// if (entry.$ref && typeof entry.$ref === "object" && "$ref" in entry.$ref) {
|
|
// const resolved = inventory.find((e: InventoryEntry) => e.pathFromRoot === entry.$ref.$ref);
|
|
// if (resolved) {
|
|
// const resolvedPointsToAnotherRef =
|
|
// resolved.$ref && typeof resolved.$ref === "object" && "$ref" in resolved.$ref;
|
|
// if (resolvedPointsToAnotherRef && entry.$ref.$ref !== resolved.$ref.$ref) {
|
|
// // console.log('Re-mapping $ref pointer "%s" at %s', entry.$ref.$ref, entry.pathFromRoot);
|
|
// entry.$ref.$ref = resolved.$ref.$ref;
|
|
// hadChange = true;
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
// }
|
|
}
|
|
/**
|
|
* TODO
|
|
*/
|
|
function findInInventory(inventory, $refParent, $refKey) {
|
|
for (const existingEntry of inventory) {
|
|
if (existingEntry && existingEntry.parent === $refParent && existingEntry.key === $refKey) {
|
|
return existingEntry;
|
|
}
|
|
}
|
|
return undefined;
|
|
}
|
|
function removeFromInventory(inventory, entry) {
|
|
const index = inventory.indexOf(entry);
|
|
inventory.splice(index, 1);
|
|
}
|
|
exports.default = bundle;
|