TypeScript d3-dsv.csvParseRows函数代码示例

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本文整理汇总了TypeScript中d3-dsv.csvParseRows函数的典型用法代码示例。如果您正苦于以下问题：TypeScript csvParseRows函数的具体用法？TypeScript csvParseRows怎么用？TypeScript csvParseRows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csvParseRows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，您的评价将有助于我们的系统推荐出更棒的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;


// csvParseRows(...) ============================================================================

// without row mapper -----------------------------------------------------------------------

parseRowsArray = d3Dsv.csvParseRows(csvTestString);


str = parseRowsArray[0][0]; // 'Year' of first row
// date = parseRowsArray[0][0]; // fails, return value is string

// with row mapper ---------------------------------------------------------------------------

parseRowsMappedArray = d3Dsv.csvParseRows(csvTestString, 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],

开发者ID:ArtemZag，项目名称:DefinitelyTyped，代码行数:30，代码来源:d3-dsv-tests.ts

示例2: Date

        : null;
    return pr;
});

parseMappedArray = d3Dsv.csvParse<ParsedTestObject, Headers>(csvTestStringWithHeader, (rawRow, index, columns) => {
    const rr: d3Dsv.DSVRowString<Headers> = rawRow;
    const i: number = index;
    const c: Headers[] = columns;
    return parsedTestObject;
});

// csvParseRows(...) ============================================================================

// without row mapper -----------------------------------------------------------------------

parseRowsArray = d3Dsv.csvParseRows(csvTestString);
strMaybe = parseRowsArray[0][0]; // 'Year' of first row

// with row mapper ---------------------------------------------------------------------------

parseRowsMappedArray = d3Dsv.csvParseRows(csvTestString, (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",

开发者ID:CNBoland，项目名称:DefinitelyTyped，代码行数:31，代码来源:d3-dsv-tests.ts

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;


// csvParseRows(...) ============================================================================

// without row mapper -----------------------------------------------------------------------

parseRowsArray = d3Dsv.csvParseRows(csvTestString);


str = parseRowsArray[0][0]; // 'Year' of first row
// date = parseRowsArray[0][0]; // fails, return value is string

// with row mapper ---------------------------------------------------------------------------

parseRowsMappedArray = d3Dsv.csvParseRows(csvTestString, (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]

开发者ID:EmmaRamirez，项目名称:DefinitelyTyped，代码行数:31，代码来源:d3-dsv-tests.ts

注：本文中的d3-dsv.csvParseRows函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。