55 lines
1.8 KiB
Plaintext
55 lines
1.8 KiB
Plaintext
import { splitEmojiSequences, joinEmojiSequences, getUnqualifiedEmojiSequence } from '../cleanup.mjs';
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import { convertEmojiSequenceToUTF32 } from '../convert.mjs';
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import { vs16Emoji, keycapEmoji, emojiComponents } from '../data.mjs';
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import { getEmojiSequenceKeyword } from '../format.mjs';
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function guessQualifiedEmojiSequence(sequence) {
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const split = splitEmojiSequences(sequence).map((part) => {
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if (part.indexOf(vs16Emoji) !== -1) {
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return part;
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}
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if (part.length === 2) {
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const lastNum = part[1];
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if (lastNum === keycapEmoji) {
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return [part[0], vs16Emoji, lastNum];
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}
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for (const key in emojiComponents) {
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const range = emojiComponents[key];
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if (lastNum >= range[0] && lastNum < range[1]) {
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return [part[0], vs16Emoji, lastNum];
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}
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}
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}
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return part.length === 1 ? [part[0], vs16Emoji] : part;
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});
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return joinEmojiSequences(split);
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}
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function getQualifiedEmojiVariation(item) {
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const unqualifiedSequence = getUnqualifiedEmojiSequence(
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convertEmojiSequenceToUTF32(item.sequence)
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);
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const result = {
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...item,
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sequence: guessQualifiedEmojiSequence(unqualifiedSequence)
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};
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if (result.sequenceKey) {
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result.sequenceKey = getEmojiSequenceKeyword(unqualifiedSequence);
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}
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return result;
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}
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function getQualifiedEmojiVariations(items) {
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const results = /* @__PURE__ */ Object.create(null);
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for (let i = 0; i < items.length; i++) {
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const result = getQualifiedEmojiVariation(items[i]);
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const key = getEmojiSequenceKeyword(
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getUnqualifiedEmojiSequence(result.sequence)
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);
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if (!results[key] || results[key].sequence.length < result.sequence.length) {
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results[key] = result;
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}
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}
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return Object.values(results);
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}
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export { getQualifiedEmojiVariation, getQualifiedEmojiVariations, guessQualifiedEmojiSequence };
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