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Refactor usePercentageTool composable to include type annotations and handle nullish values

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This commit is contained in:
Matthias 2024-01-07 20:04:45 +01:00
parent 304e0ac98f
commit 5ea0b61a44
1 changed files with 15 additions and 10 deletions
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25
src/composables/percentageTool.ts
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@ -1,8 +1,13 @@
import { ElementEvent } from 'echarts';
import { ROUND_CLOSER, roundTimeframe } from '@/shared/timemath';
import humanizeDuration from 'humanize-duration';
import ECharts from 'vue-echarts';
export function usePercentageTool(chartRef, theme: Ref<string>, timeframe_ms: Ref<number>) {
export function usePercentageTool(
chartRef: Ref<InstanceType<typeof ECharts> | undefined>,
theme: Ref<string>,
timeframe_ms: Ref<number>,
) {
const inputListener = useKeyModifier('Shift', { events: ['keydown', 'keyup'] });
const color = computed(() => (theme.value === 'dark' ? 'white' : 'black'));
@ -27,21 +32,21 @@ export function usePercentageTool(chartRef, theme: Ref<string>, timeframe_ms: Re
const startValues = chartRef.value?.convertFromPixel({ seriesIndex: 0 }, [
e.offsetX,
e.offsetY,
]);
]) ?? [0, 0];
startValues[0] = roundTF(Number(startValues[0]));
const startnew = chartRef.value?.convertToPixel({ seriesIndex: 0 }, startValues);
const startnew = chartRef.value?.convertToPixel({ seriesIndex: 0 }, startValues) ?? [0, 0];
startPos.value = { x: startnew[0], y: startnew[1] };
chartRef.value?.chart.getZr().on('mousemove', mouseMove);
chartRef.value?.chart?.getZr().on('mousemove', mouseMove);
drawStart();
} else if (!closing.value) {
closing.value = true;
} else {
drawEnd();
closing.value = false;
chartRef.value?.chart.getZr().off('mousemove', mouseMove);
chartRef.value?.chart.getZr().off('mousedown', mouseDown);
chartRef.value?.chart?.getZr().off('mousemove', mouseMove);
chartRef.value?.chart?.getZr().off('mousedown', mouseDown);
}
}
@ -108,14 +113,14 @@ export function usePercentageTool(chartRef, theme: Ref<string>, timeframe_ms: Re
const startValues = chartRef.value?.convertFromPixel({ seriesIndex: 0 }, [
startPos.value.x,
startPos.value.y,
]);
const endValues = chartRef.value?.convertFromPixel({ seriesIndex: 0 }, [x, y]);
]) ?? [0, 0];
const endValues = chartRef.value?.convertFromPixel({ seriesIndex: 0 }, [x, y]) ?? [0, 0];
const startPrice = Number(startValues[1]);
const endPrice = Number(endValues[1]);
const startTime = roundTF(Number(startValues[0]));
const endTime = roundTF(Number(endValues[0]));
const timeDiff = Math.abs(startTime - endTime);
const xr = chartRef.value?.convertToPixel({ seriesIndex: 0 }, [endTime, 0])[0];
const xr = chartRef.value?.convertToPixel({ seriesIndex: 0 }, [endTime, 0])[0] ?? 0;
const timeElapsed = humanizeDuration(timeDiff, { units: ['d', 'h', 'm'] });
const pct = Math.abs(((startPrice - endPrice) / startPrice) * 100).toFixed(2);
@ -156,7 +161,7 @@ export function usePercentageTool(chartRef, theme: Ref<string>, timeframe_ms: Re
() => inputListener.value,
() => {
if (inputListener.value && !active.value) {
chartRef.value?.chart.getZr().on('mousedown', mouseDown);
chartRef.value?.chart?.getZr().on('mousedown', mouseDown);
}
},
);