bot-28/node/node_modules/ethers/lib.esm/utils/properties.js

/**
 *  Property helper functions.
 *
 *  @_subsection api/utils:Properties  [about-properties]
 */
function checkType(value, type, name) {
    const types = type.split("|").map(t => t.trim());
    for (let i = 0; i < types.length; i++) {
        switch (type) {
            case "any":
                return;
            case "bigint":
            case "boolean":
            case "number":
            case "string":
                if (typeof (value) === type) {
                    return;
                }
        }
    }
    const error = new Error(`invalid value for type ${type}`);
    error.code = "INVALID_ARGUMENT";
    error.argument = `value.${name}`;
    error.value = value;
    throw error;
}
/**
 *  Resolves to a new object that is a copy of %%value%%, but with all
 *  values resolved.
 */
export async function resolveProperties(value) {
    const keys = Object.keys(value);
    const results = await Promise.all(keys.map((k) => Promise.resolve(value[k])));
    return results.reduce((accum, v, index) => {
        accum[keys[index]] = v;
        return accum;
    }, {});
}
/**
 *  Assigns the %%values%% to %%target%% as read-only values.
 *
 *  It %%types%% is specified, the values are checked.
 */
export function defineProperties(target, values, types) {
    for (let key in values) {
        let value = values[key];
        const type = (types ? types[key] : null);
        if (type) {
            checkType(value, type, key);
        }
        Object.defineProperty(target, key, { enumerable: true, value, writable: false });
    }
}
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