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31 lines
870 B
JavaScript
31 lines
870 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var crypto_1 = require("crypto");
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exports.cache = Object.create(null);
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function sha1() {
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var data = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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data[_i] = arguments[_i];
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}
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var canCache = data.length === 1 && typeof data[0] === 'string';
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var cacheKey;
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if (canCache) {
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cacheKey = data[0];
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if (cacheKey in exports.cache) {
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return exports.cache[cacheKey];
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}
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}
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var hash = crypto_1.createHash('sha1');
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data.forEach(function (item) {
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if (typeof item === 'string')
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hash.update(item, 'utf8');
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else
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hash.update(item);
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});
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var res = hash.digest('hex').toString();
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if (canCache) {
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exports.cache[cacheKey] = res;
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}
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return res;
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}
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exports.sha1 = sha1;
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