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Allow user to handle errors #638

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Merged
risenW merged 1 commit into from
Apr 2, 2025
Merged

Allow user to handle errors #638

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8 changes: 5 additions & 3 deletions src/danfojs-base/io/browser/io.csv.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -48,12 +48,13 @@ import Papa from 'papaparse'
const $readCSV = async (file: any, options?: CsvInputOptionsBrowser): Promise<DataFrame> => {
const frameConfig = options?.frameConfig || {}

return new Promise(resolve => {
return new Promise((resolve, reject) => {
Papa.parse(file, {
header: true,
dynamicTyping: true,
skipEmptyLines: 'greedy',
...options,
error: (error, file) => reject(error,file),
download: true,
complete: results => {
const df = new DataFrame(results.data, frameConfig);
Expand Down Expand Up @@ -81,7 +82,7 @@ const $readCSV = async (file: any, options?: CsvInputOptionsBrowser): Promise<Da
const $streamCSV = async (file: string, callback: (df: DataFrame) => void, options: CsvInputOptionsBrowser,): Promise<null> => {
const frameConfig = options?.frameConfig || {}

return new Promise(resolve => {
return new Promise((resolve, reject) => {
let count = 0
Papa.parse(file, {
...options,
Expand All @@ -92,7 +93,8 @@ const $streamCSV = async (file: string, callback: (df: DataFrame) => void, optio
const df = new DataFrame([results.data], { ...frameConfig, index: [count++] });
callback(df);
},
complete: () => resolve(null)
complete: () => resolve(null),
error: (error, file) => reject(error,file)
});
});
};
Expand Down