algebraic-captcha
Version:
NodeJS math captcha package with algebraic formulas
31 lines • 1.58 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const config_1 = require("./config");
const formula_builder_1 = require("./formula-builder");
const formula_drawer_svg_1 = require("./formula-drawer-svg");
class AlgebraicCaptcha {
constructor(params) {
this.config = new config_1.Config(params);
this.formulaBuilder = new formula_builder_1.FormulaBuilder(this.config);
this.formulaDrawer = new formula_drawer_svg_1.FormulaDrawerSVG(this.config);
}
generateCaptcha() {
return __awaiter(this, void 0, void 0, function* () {
const generatedFormula = this.formulaBuilder.generateFormula();
const formula = generatedFormula.formula;
const answer = generatedFormula.answer;
const image = yield this.formulaDrawer.draw(formula);
return { image, answer };
});
}
}
exports.AlgebraicCaptcha = AlgebraicCaptcha;
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