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refactor: Migrate ColorCircles to composition api (no-changelog) (#9747)
This commit is contained in:
Tomi Turtiainen
GitHub
parent
db1cc24414
commit
e293683234
44
packages/design-system/src/styleguide/ColorCircles.utils.ts
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44
packages/design-system/src/styleguide/ColorCircles.utils.ts
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@ -0,0 +1,44 @@
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/**
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* Convert an HSL color to a Hex color
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*/
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export function hslToHex(h: number, s: number, l: number): string {
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l /= 100;
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const a = (s * Math.min(l, 1 - l)) / 100;
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const f = (n: number) => {
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const k = (n + h / 30) % 12;
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const color = l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);
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return Math.round(255 * color)
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.toString(16)
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.padStart(2, '0');
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};
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return `#${f(0)}${f(8)}${f(4)}`;
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}
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/**
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* Resolve calc() expressions in HSL strings
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*/
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export function resolveHSLCalc(hslString: string): string {
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const calcRegex = /calc\(([^)]+)\)/;
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const matchCalc = hslString.match(calcRegex);
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if (!matchCalc) {
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return hslString;
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}
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const expression = matchCalc[1].replace(/%/g, '');
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const evaluation: number = eval(expression);
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const finalPercentage = `${evaluation}%`;
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return hslString.replace(calcRegex, finalPercentage);
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}
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/**
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* Get the Hex color from an HSL color string
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*/
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export function getHex(hsl: string): string {
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hsl = resolveHSLCalc(hsl);
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const colors = hsl
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.replace('hsl(', '')
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.replace(')', '')
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.replace(/%/g, '')
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.split(',')
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.map(parseFloat);
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return hslToHex(colors[0], colors[1], colors[2]);
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}
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@ -1,3 +1,51 @@
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<script setup lang="ts">
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import { ref, onMounted, onUnmounted, reactive } from 'vue';
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import type { PropType } from 'vue';
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import { getHex, resolveHSLCalc } from './ColorCircles.utils';
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const props = defineProps({
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colors: {
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type: Array as PropType<string[]>,
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required: true,
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},
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});
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const hsl = reactive<{ [color: string]: string }>({});
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const observer = ref<MutationObserver | null>(null);
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const setColors = () => {
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for (const color of props.colors) {
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const style = getComputedStyle(document.body);
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hsl[color] = style.getPropertyValue(color);
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}
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};
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onMounted(() => {
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setColors();
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observer.value = new MutationObserver((mutationsList) => {
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for (const mutation of mutationsList) {
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if (mutation.type === 'attributes') {
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setColors();
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}
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}
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});
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const body = document.querySelector('body');
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if (body) {
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observer.value.observe(body, { attributes: true });
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}
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});
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onUnmounted(() => {
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observer.value?.disconnect();
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});
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// Expose functions for template usage
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const getHexValue = (color: string) => getHex(hsl[color]);
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const getHSLValue = (color: string) => resolveHSLCalc(hsl[color]);
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</script>
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<template>
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<div :class="$style.section">
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<div v-for="color in colors" :key="color" :class="$style.container">
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@ -9,106 +57,6 @@
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</div>
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</template>
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<script lang="ts">
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import type { PropType } from 'vue';
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import { defineComponent } from 'vue';
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function hslToHex(h: number, s: number, l: number): string {
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l /= 100;
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const a = (s * Math.min(l, 1 - l)) / 100;
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const f = (n: number) => {
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const k = (n + h / 30) % 12;
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const color = l - a * Math.max(Math.min(k - 3, 9 - k, 1), -1);
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return Math.round(255 * color)
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.toString(16)
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.padStart(2, '0'); // convert to Hex and prefix "0" if needed
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};
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return `#${f(0)}${f(8)}${f(4)}`;
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}
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function resolveHSLCalc(hslString: string): string {
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const calcRegex = /calc\(([^)]+)\)/;
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const matchCalc = hslString.match(calcRegex);
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if (!matchCalc) {
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return hslString;
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}
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const expression = matchCalc[1];
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const noPercentageExpression = expression.replace(/%/g, '');
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const evaluation: number = eval(noPercentageExpression);
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const finalPercentage = evaluation.toString() + '%';
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const resolvedHslString = hslString.replace(calcRegex, finalPercentage);
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return resolvedHslString;
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}
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function getHex(hsl: string): string {
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hsl = resolveHSLCalc(hsl);
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const colors = hsl
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.replace('hsl(', '')
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.replace(')', '')
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.replace(/%/g, '')
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.split(',')
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.map((n: string) => parseFloat(n));
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return hslToHex(colors[0], colors[1], colors[2]);
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}
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export default defineComponent({
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name: 'ColorCircles',
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props: {
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colors: {
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type: Array as PropType<string[]>,
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required: true,
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},
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},
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data() {
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return {
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observer: null as null | MutationObserver,
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hsl: {} as { [color: string]: string },
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};
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},
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created() {
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const setColors = () => {
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this.colors.forEach((color) => {
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const style = getComputedStyle(document.body);
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this.hsl = {
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...this.hsl,
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[color]: style.getPropertyValue(color),
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};
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});
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};
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setColors();
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// when theme class is added or removed, reset color values
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this.observer = new MutationObserver((mutationsList) => {
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for (const mutation of mutationsList) {
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if (mutation.type === 'attributes') {
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setColors();
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}
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}
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});
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const body = document.querySelector('body');
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if (body) {
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this.observer.observe(body, { attributes: true });
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}
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},
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unmounted() {
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if (this.observer) {
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this.observer.disconnect();
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}
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},
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methods: {
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getHexValue(color: string) {
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return getHex(this.hsl[color]);
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},
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getHSLValue(color: string) {
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return resolveHSLCalc(this.hsl[color]);
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},
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},
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});
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</script>
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<style lang="scss" module>
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.section {
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display: flex;
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