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31 lines
888 B
31 lines
888 B
"use strict"; |
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Object.defineProperty(exports, "__esModule", { value: true }); |
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exports.clean = exports.unique = exports.uniqueFilterFnGenerator = exports.uniqueFn = void 0; |
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// alias for uniqueFilterFnGenerator |
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exports.uniqueFn = uniqueFilterFnGenerator; |
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function uniqueFilterFnGenerator(extractFn) { |
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const values = new Set(); |
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const extractor = extractFn || ((a) => a); |
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return (v) => { |
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const vv = extractor(v); |
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const ret = !values.has(vv); |
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values.add(vv); |
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return ret; |
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}; |
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} |
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exports.uniqueFilterFnGenerator = uniqueFilterFnGenerator; |
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function unique(src) { |
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return [...new Set(src)]; |
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} |
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exports.unique = unique; |
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function clean(src) { |
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const r = src; |
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for (const key of Object.keys(r)) { |
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if (r[key] === undefined) { |
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delete r[key]; |
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} |
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} |
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return r; |
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} |
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exports.clean = clean; |
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//# sourceMappingURL=util.js.map
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