本文整理汇总了TypeScript中d3-dsv.tsvParseRows函数的典型用法代码示例。如果您正苦于以下问题：TypeScript tsvParseRows函数的具体用法？TypeScript tsvParseRows怎么用？TypeScript tsvParseRows使用的例子？那么, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了tsvParseRows函数的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: function
});
columns = parseMappedArray.columns;
date = parseMappedArray[0].year;
str = parseMappedArray[0].make;
str = parseMappedArray[0].model;
num = parseMappedArray[0].length;
// tsvParseRows(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseRowsArray = d3Dsv.tsvParseRows(tsvTestString);
str = parseRowsArray[0][0]; // 'Year' of first row
// date = parseRowsArray[0][0]; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseRowsMappedArray = d3Dsv.tsvParseRows(tsvTestString, function (rawRow, index) {
let rr: Array<string> = rawRow;
let i: number = index;
let pr: ParsedTestObject;
pr = {
year: new Date(+rr[0], 0, 1),
make: rr[1],示例2: Date
: null;
return pr;
});
parseMappedArray = d3Dsv.tsvParse<ParsedTestObject, Headers>(tsvTestStringWithHeader, (rawRow, index, columns) => {
const rr: d3Dsv.DSVRowString<Headers> = rawRow;
const i: number = index;
const c: Headers[] = columns;
return parsedTestObject;
});
// tsvParseRows(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseRowsArray = d3Dsv.tsvParseRows(tsvTestString);
strMaybe = parseRowsArray[0][0]; // 'Year' of first row
// with row mapper ---------------------------------------------------------------------------
parseRowsMappedArray = d3Dsv.tsvParseRows(tsvTestString, (rawRow, index) => {
const rr: string[] = rawRow;
const i: number = index;
const d: number | null = rr[0].length ? +rr[0] : null;
const pr: ParsedTestObject | null | undefined = d !== null
? (
d > 1997
? {
year: new Date(d, 0, 1),
make: rr[1].length ? rr[1] : "Missing Value",
model: rr[2].length ? rr[2] : "Missing Value",示例3: Date
return pr;
});
columns = parseMappedArray.columns;
date = parseMappedArray[0].year;
str = parseMappedArray[0].make;
str = parseMappedArray[0].model;
num = parseMappedArray[0].length;
// tsvParseRows(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseRowsArray = d3Dsv.tsvParseRows(tsvTestString);
str = parseRowsArray[0][0]; // 'Year' of first row
// date = parseRowsArray[0][0]; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseRowsMappedArray = d3Dsv.tsvParseRows(tsvTestString, (rawRow, index) => {
const rr: string[] = rawRow;
const i: number = index;
const pr: ParsedTestObject = {
year: new Date(+rr[0], 0, 1),
make: rr[1],
model: rr[2],
length: +rr[3]