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import { SUPPORTED_FORMATS, getFormatter } from '~/lib/utils/unit_format';
import { s__ } from '~/locale';
const yAxisBoundaryGap = [0.1, 0.1];
/**
* Max string length of formatted axis tick
*/
const maxDataAxisTickLength = 8;
// Defaults
const defaultFormat = SUPPORTED_FORMATS.engineering;
const defaultYAxisFormat = defaultFormat;
const defaultYAxisPrecision = 2;
const defaultTooltipFormat = defaultFormat;
const defaultTooltipPrecision = 3;
// Give enough space for y-axis with units and name.
const chartGridLeft = 75;
// Axis options
/**
* Converts .yml parameters to echarts axis options for data axis
* @param {Object} param - Dashboard .yml definition options
*/
const getDataAxisOptions = ({ format, precision, name }) => {
const formatter = getFormatter(format); // default to engineeringNotation, same as gitlab-ui
return {
name,
nameLocation: 'center', // same as gitlab-ui's default
scale: true,
axisLabel: {
formatter: val => formatter(val, precision, maxDataAxisTickLength),
},
};
};
/**
* Converts .yml parameters to echarts y-axis options
* @param {Object} param - Dashboard .yml definition options
*/
export const getYAxisOptions = ({
name = s__('Metrics|Values'),
format = defaultYAxisFormat,
precision = defaultYAxisPrecision,
} = {}) => {
return {
nameGap: 63, // larger gap than gitlab-ui's default to fit with formatted numbers
scale: true,
boundaryGap: yAxisBoundaryGap,
...getDataAxisOptions({
name,
format,
precision,
}),
};
};
// Chart grid
/**
* Grid with enough room to display chart.
*/
export const getChartGrid = ({ left = chartGridLeft } = {}) => ({ left });
// Tooltip options
export const getTooltipFormatter = ({
format = defaultTooltipFormat,
precision = defaultTooltipPrecision,
} = {}) => {
const formatter = getFormatter(format);
return num => formatter(num, precision);
};
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