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smart-boolean

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Convert various values to booleans and check if they are boolean-like.

19 lines (18 loc) 649 B
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.isBooleanable = isBooleanable; const booleanableValues = new Set([ // truthy true, 'true', 'TRUE', 't', 'T', 'yes', 'YES', 'y', 'Y', 'on', 'ON', '1', 1, // falsy false, 'false', 'FALSE', 'f', 'F', 'no', 'NO', 'n', 'N', 'off', 'OFF', '0', 0 ]); function isBooleanable(value) { if (typeof value === 'string' || value instanceof String) { value = value.trim(); } if (value instanceof Boolean || value instanceof String || value instanceof Number) { value = value.valueOf(); } return booleanableValues.has(value); }