ethers.js/lib.commonjs/utils/properties.js

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