body-parser-csv
Version:
CSV parser middleware for express.js
49 lines • 1.91 kB
JavaScript
;
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.CSVParser = void 0;
const fast_csv_1 = require("fast-csv");
const stream_1 = require("stream");
/**
* CSV Parser class
*/
class CSVParser {
constructor(settings) {
this.settings = settings.fastcsvParams || {};
this.subscribe = settings.subscribe || ((json) => json);
}
/**
* parse
*/
parse(data) {
return __awaiter(this, void 0, void 0, function* () {
const readable = new stream_1.Readable();
readable.push(data);
readable.push(null);
return new Promise((resolve, reject) => {
const resulsArray = [];
readable
.pipe(fast_csv_1.parse(this.settings))
.on("error", (error) => {
reject(error);
})
.on("data", (row) => {
resulsArray.push(this.subscribe(row));
})
.on("end", (rowCount) => {
return resolve(resulsArray);
});
});
});
}
}
exports.CSVParser = CSVParser;
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