72 lines
2.3 KiB
JavaScript
72 lines
2.3 KiB
JavaScript
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import { get } from "@sagold/json-pointer";
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import splitRef from "./splitRef";
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import getTypeOf from "../getTypeOf";
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const suffixes = /(#|\/)+$/g;
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const isObject = (val) => getTypeOf(val) === "object";
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// 1. combined is known
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// 2. base or pointer is known
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// 3. base + pointer is known
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export default function getRef(context, rootSchema, $ref) {
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if (isObject($ref)) {
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$ref = $ref.__ref || $ref.$ref;
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}
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if ($ref == null) {
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return rootSchema;
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}
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let schema;
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// is it a known $ref?
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const $remote = $ref.replace(suffixes, "");
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if (context.remotes[$remote]) {
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schema = context.remotes[$remote];
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if (schema && schema.$ref) {
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return getRef(context, rootSchema, schema.$ref);
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}
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return schema;
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}
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if (context.ids[$ref]) {
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schema = get(rootSchema, context.ids[$ref]);
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if (schema && schema.$ref) {
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return getRef(context, rootSchema, schema.$ref);
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}
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return schema;
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}
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// is it a ref with host/pointer?
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const fragments = splitRef($ref);
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if (fragments.length === 0) {
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return rootSchema;
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}
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if (fragments.length === 1) {
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$ref = fragments[0];
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if (context.remotes[$ref]) {
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schema = context.remotes[$ref];
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return getRef(context, rootSchema, schema.$ref);
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}
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if (context.ids[$ref]) {
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schema = get(rootSchema, context.ids[$ref]);
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if (schema && schema.$ref) {
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return getRef(context, rootSchema, schema.$ref);
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}
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return schema;
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}
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}
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if (fragments.length === 2) {
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const base = fragments[0];
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$ref = fragments[1];
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if (context.remotes[base]) {
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if (context.remotes[base].getRef) {
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return context.remotes[base].getRef($ref);
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}
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// console.log("warning: uncompiled remote - context may be wrong", base);
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return getRef(context, context.remotes[base], $ref);
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}
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if (context.ids[base]) {
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return getRef(context, get(rootSchema, context.ids[base]), $ref);
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}
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}
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schema = get(rootSchema, context.ids[$ref] || $ref);
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if (schema && schema.$ref) {
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return getRef(context, rootSchema, schema.$ref);
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}
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return schema;
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}
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