43 lines
1.8 KiB
JavaScript
43 lines
1.8 KiB
JavaScript
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const require_toString = require("../util/toString.js");
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//#region src/compat/string/words.ts
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const rNonCharLatin = "\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf\\xd7\\xf7";
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const rUnicodeUpper = "\\p{Lu}";
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const rUnicodeLower = "\\p{Ll}";
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const rMisc = "(?:[\\p{Lm}\\p{Lo}]\\p{M}*)";
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const rNumber = "\\d";
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const rUnicodeOptContrLower = "(?:['’](?:d|ll|m|re|s|t|ve))?";
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const rUnicodeOptContrUpper = "(?:['’](?:D|LL|M|RE|S|T|VE))?";
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const rUnicodeBreak = `[\\p{Z}\\p{P}${rNonCharLatin}]`;
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const rUnicodeMiscUpper = `(?:${rUnicodeUpper}|${rMisc})`;
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const rUnicodeMiscLower = `(?:${rUnicodeLower}|${rMisc})`;
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const rUnicodeWord = RegExp([
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`${rUnicodeUpper}?${rUnicodeLower}+${rUnicodeOptContrLower}(?=${rUnicodeBreak}|${rUnicodeUpper}|$)`,
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`${rUnicodeMiscUpper}+${rUnicodeOptContrUpper}(?=${rUnicodeBreak}|${rUnicodeUpper}${rUnicodeMiscLower}|$)`,
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`${rUnicodeUpper}?${rUnicodeMiscLower}+${rUnicodeOptContrLower}`,
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`${rUnicodeUpper}+${rUnicodeOptContrUpper}`,
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`${rNumber}*(?:1ST|2ND|3RD|(?![123])${rNumber}TH)(?=\\b|[a-z_])`,
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`${rNumber}*(?:1st|2nd|3rd|(?![123])${rNumber}th)(?=\\b|[A-Z_])`,
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`${rNumber}+`,
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"\\p{Emoji_Presentation}",
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"\\p{Extended_Pictographic}"
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].join("|"), "gu");
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/**
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* Splits `string` into an array of its words.
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*
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* @param {string | object} str - The string or object that is to be split into words.
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* @param {RegExp | string} [pattern] - The pattern to match words.
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* @returns {string[]} - Returns the words of `string`.
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*
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* @example
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* const wordsArray1 = words('fred, barney, & pebbles');
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* // => ['fred', 'barney', 'pebbles']
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*/
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function words(str, pattern = rUnicodeWord, guard) {
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const input = require_toString.toString(str);
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if (guard) pattern = rUnicodeWord;
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if (typeof pattern === "number") pattern = pattern.toString();
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return Array.from(input.match(pattern) ?? []).filter((x) => x !== "");
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}
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//#endregion
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exports.words = words;
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