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a.meta.fields;
b.name;
}
}): PapaParse$ParseResult);
var flat: Array = [{a: 1, b: 1, c: 1}];
(Papa.unparse(flat): string);
var nested: Array> = [[1, 2, 3], [4, 5, 6]];
(Papa.unparse(nested): string);
var explicit: PapaParse$UnparseObject = {
fields: ['One', 'Two'],
data: '1,2',
};
(Papa.unparse(explicit): string);
var explicitAnyData: PapaParse$UnparseObject = {
fields: ['One', 'Two'],
data: [1, 2]
};
(Papa.unparse(explicitAnyData): string);
// $ExpectError
var explicitInvalidData: PapaParse$UnparseObject = {
fields: ['One', 'Two'],
data: 1
};
(Papa.unparse(explicitInvalidData): string);
// $ExpectError
var explicitInvalidFields: PapaParse$UnparseObject = {
};
(Papa.unparse(explicitAnyData): string);
// $ExpectError
var explicitInvalidData: PapaParse$UnparseObject = {
fields: ['One', 'Two'],
data: 1
};
(Papa.unparse(explicitInvalidData): string);
// $ExpectError
var explicitInvalidFields: PapaParse$UnparseObject = {
fields: 'One,Two',
data: '1,2'
};
(Papa.unparse(explicitInvalidFields): string);
Papa.unparse({
fields: ["3"],
data: ["3"]
});
Papa.unparse({
fields: ["3"],
data: ["3"]
}, {
quotes: true
});
Papa.SCRIPT_PATH;
Papa.LocalChunkSize;
data: '1,2',
};
(Papa.unparse(explicit): string);
var explicitAnyData: PapaParse$UnparseObject = {
fields: ['One', 'Two'],
data: [1, 2]
};
(Papa.unparse(explicitAnyData): string);
// $ExpectError
var explicitInvalidData: PapaParse$UnparseObject = {
fields: ['One', 'Two'],
data: 1
};
(Papa.unparse(explicitInvalidData): string);
// $ExpectError
var explicitInvalidFields: PapaParse$UnparseObject = {
fields: 'One,Two',
data: '1,2'
};
(Papa.unparse(explicitInvalidFields): string);
Papa.unparse({
fields: ["3"],
data: ["3"]
});
Papa.unparse({
fields: ["3"],
data: ["3"]
return new Promise((resolve, reject) => {
Papa.parse(file, {
skipEmptyLines: true,
complete: ({data}) => {
if (data.length === 0) {
NylasEnv.showErrorDialog(
`The csv file you are trying to import contains no rows. Please select another file.`
);
resolve(null)
return;
}
// If a cell in the first row contains a valid email address, assume that
// the table has no headers. We need row[0] to be field names, so make some up!
const emailRegexp = RegExpUtils.emailRegex();
const emailInFirstRow = data[0].find((val) => emailRegexp.test(val));
if (emailInFirstRow) {
const headers = data[0].map((val, idx) => {
// Move file because of UTF8 issues with Jekyll
var fileToMove = './dist/_data/users.json'
var filePath = './dist/js/data/users.json'
if (fs.existsSync(fileToMove)) {
fs.removeSync(filePath)
fs.moveSync(fileToMove, filePath)
}
var users = fs.readJsonSync(filePath)
// Shuffle the users
users = utils.shuffleArray(users)
// Save to CSV
fs.outputFileSync('./dist/_data/users.csv', Papa.unparse(users))
console.log('Finished processing ' + users.length + ' users.')
}
create() {
var csvString = `,2,3
4,5,6
7,8,9`;
var data = Papa.parse(csvString, {
dynamicTyping: true
});
console.log(data); // a 3x3 array
csvString = `name,hp,mp
4,5,6
7,8,9`;
data = Papa.parse(csvString, {
dynamicTyping: true,
header: true
});
console.log(data); // an object array with 2 rows
}
create() {
var csvString = `,2,3
4,5,6
7,8,9`;
var data = Papa.parse(csvString, {
dynamicTyping: true
});
console.log(data); // a 3x3 array
csvString = `name,hp,mp
4,5,6
7,8,9`;
data = Papa.parse(csvString, {
dynamicTyping: true,
header: true
});
console.log(data); // an object array with 2 rows
}
create() {
var csvString = `name,hp,mp
Rex,100,20
Alice,300,40`;
var csvTable = Papa.parse(csvString, {
dynamicTyping: true,
header: true
}).data;
// Create the database
var db = new loki();
// Create a collection
var children = db.addCollection('children');
// insert csv-table
children.insert(csvTable);
var result = children.chain().data();
console.log(result);
}
readCSV(text: string): SeriesData[] {
this.data = [this.series];
const papacfg = {
...this.config,
dynamicTyping: false,
skipEmptyLines: true,
comments: false, // Keep comment lines
step: this.step,
} as ParseConfig;
Papa.parse(text, papacfg);
return this.data;
}
}
export const loadCsvFileWithoutWorker = (path, onComplete) => {
const batchId = Date.now();
// https://www.papaparse.com/docs#config
parse(path, {
delimiter: ',',
download: true,
dynamicTyping: true,
// TODO: header: true lead to large memory consumption
header: true,
newline: '',
quotes: false,
quoteChar: '"',
skipEmptyLines: true,
complete: results => {
const {
data,
meta: {fields},
} = results;
onComplete({data, fields, batchId});
},