@antv/g2plot
Version:
An interactive and responsive charting library
95 lines • 3.33 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.processIllegalData = exports.transformDataToNodeLinkData = exports.adjustYMetaByZero = void 0;
var tslib_1 = require("tslib");
var util_1 = require("@antv/util");
var invariant_1 = require("./invariant");
var pick_1 = require("./pick");
/**
* 查看数据是否是全负数、或者全正数
* @param data
* @param field
*/
function adjustYMetaByZero(data, field) {
if (!data)
return {};
// 过滤出数字数据
var numberData = data.filter(function (datum) {
var v = util_1.get(datum, [field]);
return util_1.isNumber(v) && !isNaN(v);
});
var gtZero = numberData.every(function (datum) { return util_1.get(datum, [field]) >= 0; });
var ltZero = numberData.every(function (datum) { return util_1.get(datum, [field]) <= 0; });
// 目前是增量更新，对 { min: 0, max: undefined } 进行 update({ max: 0 }) 会得到 { min: 0, max: 0 }
if (gtZero) {
return { min: 0 };
}
if (ltZero) {
return { max: 0 };
}
return {};
}
exports.adjustYMetaByZero = adjustYMetaByZero;
/**
* 转换数据格式为带有节点与边的数据格式
* @param data
* @param sourceField
* @param targetField
* @param weightField
* @param rawFields 存放一些原数据
*/
function transformDataToNodeLinkData(data, sourceField, targetField, weightField, rawFields) {
if (rawFields === void 0) { rawFields = []; }
if (!Array.isArray(data)) {
return {
nodes: [],
links: [],
};
}
// const nodes = [];
var links = [];
// 先使用对象方式存储
var nodesMap = {};
var nodesIndex = -1;
// 数组变换成 chord layout 的数据结构
data.forEach(function (datum) {
var source = datum[sourceField];
var target = datum[targetField];
var weight = datum[weightField];
var rawData = pick_1.pick(datum, rawFields);
// source node
if (!nodesMap[source]) {
nodesMap[source] = tslib_1.__assign({ id: ++nodesIndex, name: source }, rawData);
}
if (!nodesMap[target]) {
nodesMap[target] = tslib_1.__assign({ id: ++nodesIndex, name: target }, rawData);
}
// links
links.push(tslib_1.__assign({ source: nodesMap[source].id, target: nodesMap[target].id,
// sourceName: source,
// targetName: target,
value: weight }, rawData));
});
return {
// 需要按照 id 的顺序
nodes: Object.values(nodesMap).sort(function (a, b) { return a.id - b.id; }),
links: links,
};
}
exports.transformDataToNodeLinkData = transformDataToNodeLinkData;
/**
* 处理不合法的数据(过滤 非数值型 和 NaN，保留 null)
* @param data
* @param angleField
*/
function processIllegalData(data, field) {
var processData = util_1.filter(data, function (d) {
var v = d[field];
return v === null || (typeof v === 'number' && !isNaN(v));
});
// 打印异常数据情况
invariant_1.log(invariant_1.LEVEL.WARN, processData.length === data.length, 'illegal data existed in chart data.');
return processData;
}
exports.processIllegalData = processIllegalData;
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