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Merge pull request #1826 from weather-gov/ik/add-dewpoint-chart
Add dewpoint hourly chart
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web/themes/new_weather_theme/assets/js/charts/hourly-dewpoint.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* global Chart ChartDataLabels */ | ||
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| import styles from "../styles.js"; | ||
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| Chart.register(ChartDataLabels); | ||
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| const chartContainers = Array.from( | ||
| document.querySelectorAll(".wx-hourly-dewpoint-chart-container"), | ||
| ); | ||
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| for (const container of chartContainers) { | ||
| const times = JSON.parse(container.dataset.times); | ||
| const dewpoints = JSON.parse(container.dataset.dewpoints).map((v) => | ||
| Number.parseInt(v, 10), | ||
| ); | ||
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| // We don't need to keep a reference to the chart object. We only need the | ||
| // side-effects of creating it. This is not ideal, but it's how Chart.js | ||
| // works, so it's what we've got. | ||
| // eslint-disable-next-line no-new | ||
| new Chart(container.querySelector("canvas"), { | ||
| type: "line", | ||
| plugins: [ChartDataLabels], | ||
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| options: { | ||
| animation: false, | ||
| responsive: true, | ||
| maintainAspectRatio: false, | ||
| interaction: { | ||
| intersect: false, | ||
| mode: "index", | ||
| }, | ||
| plugins: { | ||
| legend: { | ||
| display: false, | ||
| }, | ||
| }, | ||
| scales: { | ||
| x: { | ||
| ticks: { | ||
| autoSkip: true, | ||
| maxRotation: 0, | ||
| color: styles.colors.base, | ||
| }, | ||
| grid: { | ||
| color: times.map((v) => { | ||
| if (v === "12 AM") { | ||
| return "black"; | ||
| } | ||
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| const even = Number.parseInt(v, 10) % 2 === 0; | ||
| if (even) { | ||
| return styles.colors.baseLighter; | ||
| } | ||
| return styles.colors.baseLightest; | ||
| }), | ||
| }, | ||
| }, | ||
| y: { | ||
| min: Math.round(Math.min(...dewpoints) / 10) * 10 - 10, | ||
| max: Math.round(Math.max(...dewpoints) / 10) * 10 + 10, | ||
| ticks: { | ||
| autoSkip: true, | ||
| color: styles.colors.base, | ||
| maxTicksLimit: 6, | ||
| callback: (v) => `${v}°`, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
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| data: { | ||
| labels: times, | ||
| datasets: [ | ||
| { | ||
| label: "Dewpoint", | ||
| data: dewpoints, | ||
| datalabels: { | ||
| align: "top", | ||
| color: styles.colors.accentCoolDark, | ||
| }, | ||
| backgroundColor: styles.colors.accentCoolDark, | ||
| borderColor: styles.colors.accentCoolDark, | ||
| borderWidth: 1.5, | ||
| }, | ||
| ], | ||
| }, | ||
| }); | ||
| } |
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