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