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isValueEmpty(value[0]) : isValueEmpty(value);\n}\n\n/**\n * @ignore\n * 分割数据，用于处理在一组点数据中，y 对应的数值存在 null/undefined/NaN 的情况\n * 应用于折线图、区域图以及路径图\n *\n * ```typescript\n * // return [[{x: 1, y: 2}, {x: 3, y: 3}]]\n * getPathPoints([{x: 1, y: 2}, {x: 2, y: null}, {x: 3, y: 3}], true);\n * // return [[{x: 1, y: 2}], [{x: 3, y: 3}]]\n * getPathPoints([{x: 1, y: 2}, {x: 2, y: null}, {x: 3, y: 3}], false);\n * // return [[[{ x: 1, y: 10 }, { x: 2, y: 2 }], [{ x: 9, y: 34 }, { x: 1, y: 1 }]]]\n * getPathPoints([\n * [{ x: 1, y: 10 }, { x: 2, y: 2 }],\n * [{ x: 4, y: 2 }, { x: 8, y: NaN }],\n * [{ x: 9, y: 34 }, { x: 1, y: 1 }],\n * ], true);\n * ```\n *\n * @param points 要进行处理点集合\n * @param connectNulls 是否连接空值数据\n * @param showSinglePoint 是否展示孤立点\n * @returns 返回处理后的点集合\n */\nexport function getPathPoints(points: ShapeVertices, connectNulls: boolean = false, showSinglePoint: boolean = true) {\n if (!points.length || (points.length === 1 && !showSinglePoint)) {\n // 空或者只有一个点并配置不展示时\n return [];\n }\n\n if (connectNulls) {\n // 即 y 值为空的场景\n const filtered = [];\n for (let i = 0, len = points.length; i < len; i++) {\n const point = points[i];\n if (!isYNil(point)) {\n filtered.push(point);\n }\n }\n return [filtered];\n }\n\n const result = [];\n let tmp = [];\n for (let i = 0, len = points.length; i < len; i++) {\n const point = points[i];\n if (isYNil(point)) {\n if (tmp.length) {\n if (!(tmp.length === 1 && !showSinglePoint)) {\n // 如果前段数据只有一个字段并且不需要展示时则不加入\n result.push(tmp);\n }\n tmp = [];\n }\n } else {\n tmp.push(point);\n }\n }\n\n if (tmp.length) {\n result.push(tmp);\n }\n return result;\n}\n\n/**\n * 获取小提琴图的边界 path\n * @param points\n * @returns\n */\nexport function getViolinPath(points: ShapeVertices): PathCommand[] {\n const path = [];\n for (let i = 0; i < points.length; i++) {\n const point = points[i] as Point;\n if (point) {\n const action = i === 0 ? 'M' : 'L';\n path.push([action, point.x, point.y]);\n }\n }\n const first = points[0] as Point;\n if (first) {\n path.push(['L', first.x, first.y]);\n path.push(['z']);\n }\n return path;\n}\n\n/**\n * 获取小提琴图 平滑的边界 path\n * @param points\n * @returns\n */\nexport function getSmoothViolinPath(points: ShapeVertices): PathCommand[] {\n const half = points.length / 2;\n const leftPoints = [];\n const rightPoints = [];\n for (let i = 0; i < points.length; i++) {\n if (i < half) {\n leftPoints.push(points[i]);\n } else {\n rightPoints.push(points[i]);\n }\n }\n const leftPath = getSplinePath(leftPoints, false);\n const rightPath = getSplinePath(rightPoints, false);\n if (rightPoints.length) {\n leftPath.push(['L', rightPoints[0].x, rightPoints[0].y]);\n }\n rightPath.shift();\n const path = leftPath.concat(rightPath);\n if (leftPoints.length) {\n path.push(['L', leftPoints[0].x, leftPoints[0].y]);\n }\n path.push(['z']);\n return path;\n}\n"]} |