61 lines
1.6 KiB
JavaScript
61 lines
1.6 KiB
JavaScript
import { convertEmojiSequenceToUTF16, convertEmojiSequenceToUTF32 } from "./convert.js";
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const defaultUnicodeOptions = {
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prefix: "",
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separator: "",
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case: "lower",
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format: "utf-32",
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add0: false,
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throwOnError: true
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};
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/**
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* Convert number to string
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*/
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function convert(sequence, options) {
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const prefix = options.prefix;
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const func = options.case === "upper" ? "toUpperCase" : "toLowerCase";
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const cleanSequence = options.format === "utf-16" ? convertEmojiSequenceToUTF16(sequence) : convertEmojiSequenceToUTF32(sequence, options.throwOnError);
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return cleanSequence.map((code) => {
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let str = code.toString(16);
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if (options.add0 && str.length < 4) str = "0".repeat(4 - str.length) + str;
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return prefix + str[func]();
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}).join(options.separator);
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}
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/**
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* Convert unicode number to string
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*
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* Example:
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* 0x1F600 => '1F600'
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*/
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function getEmojiUnicodeString(code, options = {}) {
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return convert([code], {
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...defaultUnicodeOptions,
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...options
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});
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}
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const defaultSequenceOptions = {
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...defaultUnicodeOptions,
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separator: "-"
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};
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/**
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* Convert unicode numbers sequence to string
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*
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* Example:
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* [0x1f441, 0xfe0f] => '1f441-fe0f'
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*/
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function getEmojiSequenceString(sequence, options = {}) {
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return convert(sequence, {
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...defaultSequenceOptions,
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...options
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});
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}
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/**
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* Convert unicode numbers sequence to string
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*
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* Simple version of `getEmojiSequenceString()` without options that otherwise add to bundle
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*/
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function getEmojiSequenceKeyword(sequence) {
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return sequence.map((code) => code.toString(16)).join("-");
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}
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export { getEmojiSequenceKeyword, getEmojiSequenceString, getEmojiUnicodeString }; |