Top 10 Examples of "tableschema in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'tableschema' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
const steps = resources.map(async res => {
if (excelFormats.includes(res.descriptor.format)) {
const buffer = await res.buffer
const workbook = XLSX.read(buffer, {type: 'buffer', bookSheets: true})
if (sheets === 'all') {
sheets = Array.from(Array(workbook.SheetNames.length).keys())
// We are using sheet idx starting from 1 so we need to add 1 to each idx:
sheets = sheets.map(value => value + 1)
} else if (sheets) { // When sheets are indexes of sheets separated by ','
sheets = sheets.split(',').map(value => parseInt(value))
} else { // Default case
sheets = [1]
}
for (let i of sheets) {
const rows = await toArray(await xlsxParser(res, false, i-1))
const schema = await infer(rows)
const step = {
input: res.descriptor.name,
output: `${res.descriptor.name}-sheet-${i}`,
tabulator: {
sheet: i
},
schema
}
processingSteps.push(step)
}
}
})
await Promise.all(steps)async validateData(descriptor, absPath) {
// TODO: handle inlined data resources
let options = {schema: descriptor.schema}
if (descriptor.dialect) {
Object.assign(options, descriptor.dialect)
}
const table = await Table.load(absPath, options)
try {
await table.read()
} catch (err) {
err.resource = descriptor.name
err.path = absPath
throw err
}
return true
}async function validateData(schema, absPath) {
// TODO: handle inlined data resources
const table = await Table.load(absPath, {schema})
await table.read()
return true
}newReference: this.state.newReference,
newRefReference: this.state.newRefReference
}
// TODO: hardcoded
if (resourceDescriptor.name === 'currencies' && !this.state.newReference) {
const source = [keys(payload.newResource.data[0])].concat([values(payload.newResource.data[0])]);
const relations = {
exchange_rates: referenceTables['exchange_rates']
};
let table;
const prefixedValues = {
"modified_currency": this.state.newResource['modified_currency'].value
}
try {
table = await Table.load(source, {schema});
const rows = await table.read({forceCast: true, relations});
const errors = rows.filter((row) => row.errors);
if (errors.length) {
this.setState({
prefixedValues,
resourceValid: {
valid: false,
message: errors[0].errors[0].errors[0].message
}
});
} else {
this.setState({
resourceValid: {valid: true}
})
this.props.onAddNew(payload)
}try {
const tableLength = source.length;
const chunk = DEFAULT_CHUNK_SIZE;
let i = 0
let errors = []
for(i; i < tableLength; i += chunk) {
dispatch({
type: VALIDATE_TABLE_REQUEST,
payload: {
status: 'loading',
loader: `validating ${i} rows`
}
})
const offset = i / chunk
const chunkTable = [source[0]].concat(source.slice(i+1-offset, i+chunk-offset))
const table = await Table.load(chunkTable, {schema});
const rows = await table.read({forceCast: true, relations});
const chunkErrors = rows.filter((row) => row.errors)
if (chunkErrors.length) {
chunkErrors.forEach((error) => {
error.rowNumber = error.rowNumber + chunk * offset - offset
});
errors = errors.concat(chunkErrors)
}
}
// const table = await Table.load(source, {schema});
// const rows = await table.read({forceCast: true});
// const errors = rows.filter((row) => row.errors)
if (errors.length) {
dispatch({
type: VALIDATE_TABLE_FAILURE,
payload: {var _ref2 = (0, _asyncToGenerator3.default)(function* (schema, absPath) {
// TODO: handle inlined data resources
const table = yield Table.load(absPath, { schema });
yield table.read();
return true;
});async addSchema() {
// Ensure resource is tabular
if (knownTabularFormats.indexOf(this.descriptor.format) === -1) {
throw new Error('File is not in known tabular format.')
}
const rows = await toArray(await this.rows())
this.descriptor.schema = await infer(rows)
}
}return (0, _asyncToGenerator3.default)(function* () {
// Ensure resource is tabular
if (knownTabularFormats.indexOf(_this2.descriptor.format) === -1) {
throw new Error('File is not in known tabular format.');
}
const rows = yield toArray((yield _this2.rows()));
_this2.descriptor.schema = yield infer(rows);
})();
}this.descriptor.schema = await infer(this.descriptor.data);
return;
} // Get parserOptions so we can use it when "infering" schema:
const parserOptions = await guessParseOptions(this); // We also need to include parserOptions in "dialect" property of descriptor:
this.descriptor.dialect = {
delimiter: parserOptions.delimiter,
quoteChar: parserOptions.quote // Now let's get a stream from file and infer schema:
};
let thisFileStream = await this.stream({
size: 100
});
this.descriptor.schema = await infer(thisFileStream, parserOptions);
}async addSchema() {
// Ensure file is tabular
if (knownTabularFormats.indexOf(this.descriptor.format) === -1) {
throw new Error('File is not in known tabular format.')
}
if (this.displayName === 'FileInline') {
this.descriptor.schema = await infer(this.descriptor.data)
return
}
// Get parserOptions so we can use it when "infering" schema:
const parserOptions = await guessParseOptions(this)
// We also need to include parserOptions in "dialect" property of descriptor:
this.descriptor.dialect = {
delimiter: parserOptions.delimiter,
quoteChar: parserOptions.quote
}
// Now let's get a stream from file and infer schema:
let thisFileStream = await this.stream({size: 100})
this.descriptor.schema = await infer(thisFileStream, parserOptions)
}
}