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47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
/*\
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title: $:/core/modules/utils/csv.js
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type: application/javascript
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module-type: utils
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A barebones CSV parser
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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/*
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Parse a CSV string with a header row and return an array of hashmaps.
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*/
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exports.parseCsvStringWithHeader = function(text,options) {
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options = options || {};
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var separator = options.separator || ",",
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rows = text.split(/\r?\n/mg).map(function(row) {
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return $tw.utils.trim(row);
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}).filter(function(row) {
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return row !== "";
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});
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if(rows.length < 1) {
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return "Missing header row";
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}
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var headings = rows[0].split(separator),
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results = [];
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for(var row=1; row<rows.length; row++) {
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var columns = rows[row].split(separator),
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columnResult = Object.create(null);
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if(columns.length !== headings.length) {
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return "Malformed CSV row '" + rows[row] + "'";
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}
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for(var column=0; column<columns.length; column++) {
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var columnName = headings[column];
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columnResult[columnName] = $tw.utils.trim(columns[column] || "");
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}
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results.push(columnResult);
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}
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return results;
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}
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})();
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