本文整理汇总了TypeScript中d3-dsv.tsvParse函数的典型用法代码示例。如果您正苦于以下问题：TypeScript tsvParse函数的具体用法？TypeScript tsvParse怎么用？TypeScript tsvParse使用的例子？那么恭喜您, 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tsvParse函数的4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: Date
str = d3Dsv.csvFormatRows(parseRowsMappedArray.map((d) => [
d.year ? d.year.getFullYear().toString() : '',
d.make,
d.model,
d.length.toString()
]));
// ------------------------------------------------------------------------------------------
// Test TSV
// ------------------------------------------------------------------------------------------
// tsvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.tsvParse(tsvTestStringWithHeader);
rowArrayHeader = d3Dsv.tsvParse<Headers>(csvTestStringWithHeader);
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.tsvParse(tsvTestStringWithHeader, (rawRow, index, columns) => {
const rr: d3Dsv.DSVRowString = rawRow;
const i: number = index;
const c: string[] = columns;
const d: number | null = rr.Year ? +rr.Year! : null;
const pr: ParsedTestObject | null | undefined = d !== null
? (
d > 1997
? {
year: new Date(d, 0, 1),
make: rr.Make ? rr.Make! : "Missing Value",示例2: function
d.year.getFullYear().toString(),
d.make,
d.model,
d.length.toString()
];
}));
// ------------------------------------------------------------------------------------------
// Test TSV
// ------------------------------------------------------------------------------------------
// tsvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.tsvParse(tsvTestStringWithHeader);
columns = parseArray.columns;
str = parseArray[0]['Year'];
// date = parseArray[0]['Year']; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.tsvParse(tsvTestStringWithHeader, function (rawRow, index, columns) {
let rr: d3Dsv.DSVRowString = rawRow;
let i: number = index;
let c: Array<string> = columns;
let pr: ParsedTestObject;
pr = {示例3:
str = d3Dsv.csvFormatRows(parseRowsMappedArray.map((d, i) => [
d.year ? d.year.getFullYear().toString() : '',
d.make,
d.model,
d.length.toString()
]));
// ------------------------------------------------------------------------------------------
// Test TSV
// ------------------------------------------------------------------------------------------
// tsvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.tsvParse(tsvTestStringWithHeader);
columns = parseArray.columns;
strMaybe = parseArray[0]['Year'];
// date = parseArray[0]['Year']; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.tsvParse(tsvTestStringWithHeader, (rawRow, index, columns) => {
const rr: d3Dsv.DSVRowString = rawRow;
const i: number = index;
const c: string[] = columns;
const d: number | null = rr['Year'] ? +rr['Year']! : null;
const pr: ParsedTestObject | null | undefined = d !== null
? (示例4: Date
str = d3Dsv.csvFormatRows(parseRowsMappedArray.map((d, i) => [
d.year.getFullYear().toString(),
d.make,
d.model,
d.length.toString()
]));
// ------------------------------------------------------------------------------------------
// Test TSV
// ------------------------------------------------------------------------------------------
// tsvParse(...) ============================================================================
// without row mapper -----------------------------------------------------------------------
parseArray = d3Dsv.tsvParse(tsvTestStringWithHeader);
columns = parseArray.columns;
str = parseArray[0]['Year'];
// date = parseArray[0]['Year']; // fails, return value is string
// with row mapper ---------------------------------------------------------------------------
parseMappedArray = d3Dsv.tsvParse(tsvTestStringWithHeader, (rawRow, index, columns) => {
const rr: d3Dsv.DSVRowString = rawRow;
const i: number = index;
const c: string[] = columns;
const pr: ParsedTestObject = {
year: new Date(+rr['Year'], 0, 1),
make: rr['Make'],