Current File : /var/www/html/node_modules/next/dist/lib/is-serializable-props.js
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.isSerializableProps = isSerializableProps;
var _isPlainObject = require("../shared/lib/is-plain-object");
const regexpPlainIdentifier = /^[A-Za-z_$][A-Za-z0-9_$]*$/;
class SerializableError extends Error {
constructor(page, method, path, message){
super(path ? `Error serializing \`${path}\` returned from \`${method}\` in "${page}".\nReason: ${message}` : `Error serializing props returned from \`${method}\` in "${page}".\nReason: ${message}`);
}
}
exports.SerializableError = SerializableError;
function isSerializableProps(page, method, input) {
if (!(0, _isPlainObject).isPlainObject(input)) {
throw new SerializableError(page, method, "", `Props must be returned as a plain object from ${method}: \`{ props: { ... } }\` (received: \`${(0, _isPlainObject).getObjectClassLabel(input)}\`).`);
}
function visit(visited, value, path) {
if (visited.has(value)) {
throw new SerializableError(page, method, path, `Circular references cannot be expressed in JSON (references: \`${visited.get(value) || "(self)"}\`).`);
}
visited.set(value, path);
}
function isSerializable(refs, value, path) {
const type = typeof value;
if (// `null` can be serialized, but not `undefined`.
value === null || // n.b. `bigint`, `function`, `symbol`, and `undefined` cannot be
// serialized.
//
// `object` is special-cased below, as it may represent `null`, an Array,
// a plain object, a class, et al.
type === "boolean" || type === "number" || type === "string") {
return true;
}
if (type === "undefined") {
throw new SerializableError(page, method, path, "`undefined` cannot be serialized as JSON. Please use `null` or omit this value.");
}
if ((0, _isPlainObject).isPlainObject(value)) {
visit(refs, value, path);
if (Object.entries(value).every(([key, nestedValue])=>{
const nextPath = regexpPlainIdentifier.test(key) ? `${path}.${key}` : `${path}[${JSON.stringify(key)}]`;
const newRefs = new Map(refs);
return isSerializable(newRefs, key, nextPath) && isSerializable(newRefs, nestedValue, nextPath);
})) {
return true;
}
throw new SerializableError(page, method, path, `invariant: Unknown error encountered in Object.`);
}
if (Array.isArray(value)) {
visit(refs, value, path);
if (value.every((nestedValue, index)=>{
const newRefs = new Map(refs);
return isSerializable(newRefs, nestedValue, `${path}[${index}]`);
})) {
return true;
}
throw new SerializableError(page, method, path, `invariant: Unknown error encountered in Array.`);
}
// None of these can be expressed as JSON:
// const type: "bigint" | "symbol" | "object" | "function"
throw new SerializableError(page, method, path, "`" + type + "`" + (type === "object" ? ` ("${Object.prototype.toString.call(value)}")` : "") + " cannot be serialized as JSON. Please only return JSON serializable data types.");
}
return isSerializable(new Map(), input, "");
}
//# sourceMappingURL=is-serializable-props.js.map
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