knight/datahub
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[#185,backend/csv][s]: add support for dataset-style objects to serializeCSV method - fixes #185.

Browse Source
This commit is contained in:
Rufus Pollock
2012-09-09 15:11:54 +01:00
parent c879ca6df9
commit 6e49f53a63
2 changed files with 53 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
src/backend.csv.js
View File

@@ -59,8 +59,9 @@ this.recline.Backend.CSV = this.recline.Backend.CSV || {};
//
// @param {String} s The string to convert
// @param {Object} options Options for loading CSV including
// @param {Boolean} [trim=false] If set to True leading and trailing whitespace is stripped off of each non-quoted field as it is imported
// @param {String} [separator=','] Separator for CSV file
// @param {Boolean} [trim=false] If set to True leading and trailing whitespace is stripped off of each non-quoted field as it is imported
// @param {String} [separator=','] Separator for CSV file
//
// Heavily based on uselesscode's JS CSV parser (MIT Licensed):
// http://www.uselesscode.org/javascript/csv/
my.parseCSV= function(s, options) {
@@ -149,20 +150,45 @@ this.recline.Backend.CSV = this.recline.Backend.CSV || {};
return out;
};
// Converts an array of arrays into a Comma Separated Values string.
// Each array becomes a line in the CSV.
// ### serializeCSV
//
// Convert an Object or a simple array of arrays into a Comma
// Separated Values string.
//
// Nulls are converted to empty fields and integers or floats are converted to non-quoted numbers.
//
// @return The array serialized as a CSV
// @type String
//
// @param {Array} a The array of arrays to convert
// @param {Object} options Options for loading CSV including
// @param {String} [separator=','] Separator for CSV file
// Heavily based on uselesscode's JS CSV parser (MIT Licensed):
// @param {Object or Array} dataToSerialize The Object or array of arrays to convert. Object structure must be as follows:
//
// {
// fields: [ {id: .., ...}, {id: ...,
// records: [ { record }, { record }, ... ]
// ... // more attributes we do not care about
// }
//
// @param {Object} options Options for serializing CSV including
// @param {String} [separator=','] separator for CSV file
// @param {String} [delimiter='"'] delimiter for fields
//
// Heavily based on uselesscode's JS CSV serializer (MIT Licensed):
// http://www.uselesscode.org/javascript/csv/
my.serializeCSV= function(a, options) {
my.serializeCSV= function(dataToSerialize, options) {
var a = null;
if (dataToSerialize instanceof Array) {
a = dataToSerialize;
} else {
a = [];
var fieldNames = _.pluck(dataToSerialize.fields, 'id');
a.push(fieldNames);
_.each(dataToSerialize.records, function(record, index) {
var tmp = _.map(fieldNames, function(fn) {
return record[fn];
});
a.push(tmp);
});
}
var options = options || {};
var separator = options.separator || ',';
var delimiter = options.delimiter || '"';