62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
const get = require('lodash/get');
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const stringSort = (k, desc) => {
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if (desc) {
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return (a, b) => {
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if (!get(a, k)) return 1;
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if (!get(b, k)) return -1;
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return get(b, k).localeCompare(get(a, k));
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};
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}
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return (a, b) => {
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if (!get(a, k)) return 1;
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if (!get(b, k)) return -1;
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return get(a, k).localeCompare(get(b, k));
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};
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};
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const numSort = (k, desc) => {
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if (desc) {
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return (a, b) => {
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if (!get(a, k)) return 1;
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if (!get(b, k)) return -1;
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return get(b, k) - get(a, k);
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};
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}
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return (a, b) => {
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if (!get(a, k)) return 1;
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if (!get(b, k)) return -1;
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return get(a, k) - get(b, k);
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};
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};
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const genAvatar = (name) => {
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let hash = 0;
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if (name.length === 0) return hash;
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// Probs don't need to hash using the whole string
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for (let i = 0; i < name.length; i += 1) {
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const chr = name.charCodeAt(i);
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hash = ((hash << 5) - hash) + chr;
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hash = hash & 10000; // We have avatars named 0-19
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}
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return `sprite${hash}`;
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};
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function requestAvatar(name) {
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const id = genAvatar(name);
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const req = new Request(`/assets/molecules/${id}.svg`);
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return fetch(req)
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.then(res => res.text())
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.then(svg => svg);
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}
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const NULL_UUID = '00000000-0000-0000-0000-000000000000';
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module.exports = {
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stringSort,
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numSort,
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genAvatar,
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requestAvatar,
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NULL_UUID,
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};
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