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import type { JSC } from "../protocol";
export function remoteObjectToString(remoteObject: JSC.Runtime.RemoteObject, topLevel?: boolean): string {
const { type, subtype, value, description, className, preview } = remoteObject;
switch (type) {
case "undefined":
return "undefined";
case "boolean":
case "number":
return description ?? JSON.stringify(value);
case "string":
if (topLevel) {
return String(value ?? description);
}
return JSON.stringify(value ?? description);
case "symbol":
case "bigint":
return description!;
case "function":
return description!.replace("function", "ƒ") || "ƒ";
}
switch (subtype) {
case "null":
return "null";
case "regexp":
case "date":
case "error":
return description!;
}
if (preview) {
return objectPreviewToString(preview);
}
if (className) {
return className;
}
return description || "Object";
}
export function objectPreviewToString(objectPreview: JSC.Runtime.ObjectPreview): string {
const { type, subtype, entries, properties, overflow, description, size } = objectPreview;
if (type !== "object") {
return remoteObjectToString(objectPreview);
}
let items: string[];
if (entries) {
items = entries.map(entryPreviewToString).sort();
} else if (properties) {
if (isIndexed(subtype)) {
items = properties.map(indexedPropertyPreviewToString);
if (subtype !== "array") {
items.sort();
}
} else {
items = properties.map(namedPropertyPreviewToString).sort();
}
} else {
items = ["…"];
}
if (overflow) {
items.push("…");
}
let label: string;
if (description === "Object") {
label = "";
} else if (size === undefined) {
label = description!;
} else {
label = `${description}(${size})`;
}
if (!items.length) {
return label || "{}";
}
if (label) {
label += " ";
}
if (isIndexed(subtype)) {
return `${label}[${items.join(", ")}]`;
}
return `${label}{${items.join(", ")}}`;
}
function propertyPreviewToString(propertyPreview: JSC.Runtime.PropertyPreview): string {
const { type, value, ...preview } = propertyPreview;
if (type === "accessor") {
return "ƒ";
}
return remoteObjectToString({ ...preview, type, description: value });
}
function entryPreviewToString(entryPreview: JSC.Runtime.EntryPreview): string {
const { key, value } = entryPreview;
if (key) {
return `${objectPreviewToString(key)} => ${objectPreviewToString(value)}`;
}
return objectPreviewToString(value);
}
function namedPropertyPreviewToString(propertyPreview: JSC.Runtime.PropertyPreview): string {
const { name, valuePreview } = propertyPreview;
if (valuePreview) {
return `${name}: ${objectPreviewToString(valuePreview)}`;
}
return `${name}: ${propertyPreviewToString(propertyPreview)}`;
}
function indexedPropertyPreviewToString(propertyPreview: JSC.Runtime.PropertyPreview): string {
const { valuePreview } = propertyPreview;
if (valuePreview) {
return objectPreviewToString(valuePreview);
}
return propertyPreviewToString(propertyPreview);
}
function isIndexed(type?: JSC.Runtime.RemoteObject["subtype"]): boolean {
return type === "array" || type === "set" || type === "weakset";
}
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