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<script>
import { GlChart } from '@gitlab/ui/dist/charts';
import { DATA_VIZ_BLUE_500 } from '@gitlab/ui/dist/tokens/js/tokens';
import { hexToRgba } from '@gitlab/ui/dist/utils/utils';
import { isNumber } from 'lodash';
import { formatDate } from '~/lib/utils/datetime/date_format_utility';
import { logError } from '~/lib/logger';
function parseTimelineData(timelineData) {
const xData = [];
const yData = [];
const invalidDataPoints = [];
timelineData.forEach((f) => {
let rawDate;
let count;
if (Array.isArray(f)) {
[rawDate, count] = f;
} else if (f.count !== undefined && f.time !== undefined) {
rawDate = f.time;
count = f.count;
}
if (rawDate !== undefined && count !== undefined) {
// dates/timestamps are in seconds
const date = isNumber(rawDate) ? rawDate * 1000 : rawDate;
xData.push(formatDate(date));
yData.push(count);
} else {
invalidDataPoints.push(f);
}
});
if (invalidDataPoints.length > 0) {
// only log up to 5 invalid data points to reduce log size
logError(`Found invalid data points ${invalidDataPoints.slice(0, 5)}`);
}
return { xData, yData };
}
export default {
components: {
GlChart,
},
props: {
timelineData: {
/**
* Array items can be:
* touples: [a_date: string | number, a_count: number]
* objects: {time: a_date, count: a_count}: {time: string | number, count: number}
*
* Dates can either be string or number/timestamp.
* When dates are timestamps, they are expected in seconds.
*
*/
type: Array,
required: true,
validator(value) {
for (const item of value) {
if (Array.isArray(item)) {
if (item.length !== 2 || !isNumber(item[1])) {
return false;
}
} else if (typeof item === 'object') {
if (!('time' in item) || !('count' in item)) {
return false;
}
} else {
return false;
}
}
return true;
},
},
height: {
type: Number,
required: true,
},
},
computed: {
chartOptions() {
if (!this.timelineData) {
return {};
}
const { xData, yData } = parseTimelineData(this.timelineData);
return {
xAxis: {
type: 'category',
data: xData,
show: true,
axisTick: {
show: false,
},
axisLabel: {
show: false,
},
axisLine: {
show: true,
lineStyle: {
width: 1,
color: '#ececec',
},
},
},
yAxis: {
type: 'value',
show: false,
},
series: [
{
data: yData,
type: 'bar',
itemStyle: { color: hexToRgba(DATA_VIZ_BLUE_500, 0.5) },
},
],
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'shadow',
},
},
};
},
},
};
</script>
<template>
<gl-chart v-if="timelineData" :options="chartOptions" :height="height" />
</template>
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