etymo-js/lib/index.js

NodeJS and browser util for fetching etymology results from https://www.etymonline.com

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    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) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Etymo = void 0;
const cheerioOps_1 = require("./lib/cheerioOps");
const getHtml_1 = require("./lib/getHtml");
const util_1 = require("./lib/util");
const constants_1 = require("./constants");
class Etymo {
    search(term) {
        return __awaiter(this, void 0, void 0, function* () {
            const url = this._buildSearchUrl(term);
            const html = yield (0, getHtml_1.getHtml)(url);
            const entries = (0, cheerioOps_1.getEntriesFromSearch)(html);
            return entries;
        });
    }
    get(path, opts = {}) {
        return __awaiter(this, void 0, void 0, function* () {
            const { lang } = opts;
            if (!!lang && !(0, util_1.isLanguage)(lang)) {
                throw new Error(`Language '${lang}' unknown`);
            }
            const trimmedPath = path.replace(/^\/[a-z]{2}\/word\//, "/word/");
            const url = this._buildGetUrl(trimmedPath, { lang });
            const html = yield (0, getHtml_1.getHtml)(url);
            const isNotEnglish = lang && lang !== "en" ? true : false;
            const entryWithoutPathId = (0, cheerioOps_1.getEntryWithoutPathId)(html, isNotEnglish);
            const resolvedPath = isNotEnglish ? `/${lang}` + trimmedPath : path;
            const id = (0, util_1.getIdFromPath)(path);
            const entry = Object.assign(Object.assign({}, entryWithoutPathId), { path: resolvedPath, id });
            return entry;
        });
    }
    trending() {
        return __awaiter(this, void 0, void 0, function* () {
            const url = "https://www.etymonline.com/api/etymology/trending";
            const json = (yield (0, getHtml_1.getJson)(url));
            return json.data.items;
        });
    }
    _buildSearchUrl(term) {
        const baseUrl = `${constants_1.BASE_URL}/search`;
        const urlEncodedTerm = encodeURIComponent(term);
        const url = `${baseUrl}?q=${urlEncodedTerm}`;
        return url;
    }
    _buildGetUrl(path, opts = {}) {
        const { lang } = opts;
        let baseUrl = constants_1.BASE_URL;
        if (!!lang && lang !== "en") {
            baseUrl += `/${lang}`;
        }
        const url = baseUrl + path;
        return url;
    }
}
exports.Etymo = Etymo;