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CSV parser with simple api, full of options and tested against large datasets.

www.adaltas.com/projects/node-csv/

wdavidw/node-csv-parser

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### Node CSV - Copyright David Worms <open@adaltas.com> (BSD Licensed) Testing the read options `trim`, `ltrim` and `rtrim`. ### fs = require 'fs' should = require 'should' csv = if process.env.CSV_COV then require '../lib-cov' else require '../src' describe 'ltrim', -> it 'should ignore the whitespaces immediately following the delimiter', (next) -> csv() .from.string(""" FIELD 1, FIELD 2, FIELD 3, FIELD 4, FIELD 5, FIELD 6 20322051544," 1979",8.8017226E7, ABC,45,2000-01-01 28392898392, " 1974", 8.8392926E7,DEF, 23, 2050-11-27 """, ltrim: true ) .transform( (record, index) -> record ) .on 'close', (count) -> count.should.eql 3 .to.string (data) -> data.should.eql """ FIELD 1,FIELD 2,FIELD 3,FIELD 4,FIELD 5,FIELD 6 20322051544, 1979,8.8017226E7,ABC,45,2000-01-01 28392898392, 1974,8.8392926E7,DEF,23,2050-11-27 """ next() it 'should work on last field', (next) -> csv() .from.string(""" FIELD_1, FIELD_2 20322051544, a 28392898392, " " """, ltrim: true ) .transform( (record, index) -> record ) .on 'close', (count) -> count.should.eql 3 .to.string (data) -> data.should.eql """ FIELD_1,FIELD_2 20322051544,a 28392898392, """ next() describe 'rtrim', -> it 'should ignore the whitespaces immediately preceding the delimiter', (next) -> csv() .from.string(""" FIELD_1 ,FIELD_2 ,FIELD_3 ,FIELD_4 ,FIELD_5 ,FIELD_6 20322051544 ,1979,8.8017226E7 ,ABC,45 ,2000-01-01 28392898392,1974 ,8.8392926E7,DEF,23 ,2050-11-27 """, rtrim: true ) .transform( (record, index) -> record ) .on 'close', (count) -> count.should.eql 3 .to.string (data) -> data.should.eql """ FIELD_1,FIELD_2,FIELD_3,FIELD_4,FIELD_5,FIELD_6 20322051544,1979,8.8017226E7,ABC,45,2000-01-01 28392898392,1974,8.8392926E7,DEF,23,2050-11-27 """ next() describe 'trim', -> it 'should ignore the whitespaces immediately preceding and following the delimiter', (next) -> csv() .from.string(""" FIELD 1 , FIELD 2 , FIELD 3,FIELD 4 , FIELD 5,FIELD 6 20322051544,1979 ,8.8017226E7,ABC , 45 , 2000-01-01 28392898392, 1974,8.8392926E7,DEF , 23 , 2050-11-27 """, trim: true ) .transform( (record, index) -> record ) .on 'close', (count) -> count.should.eql 3 .to.string (data) -> data.should.eql """ FIELD 1,FIELD 2,FIELD 3,FIELD 4,FIELD 5,FIELD 6 20322051544,1979,8.8017226E7,ABC,45,2000-01-01 28392898392,1974,8.8392926E7,DEF,23,2050-11-27 """ next() it 'should preserve surrounding whitespaces', (next) -> csv() .from.string(""" FIELD 1 , FIELD 2 , FIELD 3,FIELD 4 , FIELD 5,FIELD 6 20322051544,1979 ,8.8017226E7,AB C , 45 , 2000-01-01 28392898392, 1974,8.8392926E7,D EF , 23 , 2050-11-27 """) .transform( (record, index) -> record ) .on 'close', (count) -> count.should.eql 3 .to.string (data) -> data.should.eql """ FIELD 1 , FIELD 2 , FIELD 3,FIELD 4 , FIELD 5,FIELD 6 20322051544,1979 ,8.8017226E7,AB C , 45 , 2000-01-01 28392898392, 1974,8.8392926E7,D EF , 23 , 2050-11-27 """ next() it 'should preserve whitespace inside text if there are quotes or not', (next) -> csv() .from.string(""" FIELD 1, FIELD 2, FIELD 3, FIELD 4, FIELD 5, FIELD 6 20322051544, 1979, 8.8017226E7, ABC DEF , 45, 2000-01-01 28392898392, 1974, 8.8392926E7," ABC DEF ", 23, 2050-11-27 """, trim: true ) .transform( (record, index) -> record ) .on 'close', (count) -> count.should.eql 3 .to.string (data) -> data.should.eql """ FIELD 1,FIELD 2,FIELD 3,FIELD 4,FIELD 5,FIELD 6 20322051544,1979,8.8017226E7,ABC DEF,45,2000-01-01 28392898392,1974,8.8392926E7, ABC DEF ,23,2050-11-27 """ next()