earljs/dist/format/formatSymbol.js

Ergonomic, modern and type-safe assertion library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.formatSymbol = void 0;
const toLine_1 = require("./toLine");
const wellKnownSymbols = new Map();
for (const key of Object.getOwnPropertyNames(Symbol)) {
    const known = Symbol[key];
    if (typeof known === 'symbol') {
        wellKnownSymbols.set(known, `Symbol.${key}`);
    }
}
function formatSymbol(value, sibling) {
    const key = Symbol.keyFor(value);
    if (key) {
        return (0, toLine_1.toLine)(`Symbol.for(${JSON.stringify(key)})`);
    }
    const wellKnown = wellKnownSymbols.get(value);
    if (wellKnown) {
        return (0, toLine_1.toLine)(wellKnown);
    }
    if (typeof sibling === 'symbol' && value !== sibling && value.toString() === sibling.toString()) {
        return (0, toLine_1.toLine)(`${value.toString()} (different)`);
    }
    return (0, toLine_1.toLine)(value.toString());
}
exports.formatSymbol = formatSymbol;