1368 lines
35 KiB
JavaScript
1368 lines
35 KiB
JavaScript
/** @license
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* fzf v0.5.2
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* Copyright (c) 2021 Ajit
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* Licensed under BSD 3-Clause
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*/
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const normalized = {
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216: "O",
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223: "s",
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248: "o",
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273: "d",
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295: "h",
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305: "i",
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320: "l",
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322: "l",
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359: "t",
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383: "s",
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384: "b",
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385: "B",
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387: "b",
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390: "O",
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392: "c",
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393: "D",
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394: "D",
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396: "d",
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398: "E",
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400: "E",
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402: "f",
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403: "G",
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407: "I",
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409: "k",
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410: "l",
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412: "M",
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413: "N",
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414: "n",
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415: "O",
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421: "p",
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427: "t",
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429: "t",
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430: "T",
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434: "V",
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436: "y",
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438: "z",
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477: "e",
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485: "g",
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544: "N",
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545: "d",
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549: "z",
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564: "l",
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565: "n",
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566: "t",
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567: "j",
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570: "A",
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571: "C",
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572: "c",
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573: "L",
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574: "T",
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575: "s",
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576: "z",
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579: "B",
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580: "U",
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581: "V",
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582: "E",
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583: "e",
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584: "J",
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585: "j",
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586: "Q",
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587: "q",
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588: "R",
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589: "r",
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590: "Y",
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591: "y",
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592: "a",
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593: "a",
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595: "b",
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596: "o",
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597: "c",
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598: "d",
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599: "d",
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600: "e",
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603: "e",
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604: "e",
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605: "e",
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606: "e",
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607: "j",
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608: "g",
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609: "g",
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610: "G",
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613: "h",
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614: "h",
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616: "i",
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618: "I",
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619: "l",
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620: "l",
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621: "l",
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623: "m",
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624: "m",
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625: "m",
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626: "n",
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627: "n",
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628: "N",
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629: "o",
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633: "r",
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634: "r",
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635: "r",
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636: "r",
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637: "r",
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638: "r",
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639: "r",
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640: "R",
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641: "R",
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642: "s",
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647: "t",
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648: "t",
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649: "u",
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651: "v",
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652: "v",
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653: "w",
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654: "y",
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655: "Y",
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656: "z",
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657: "z",
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663: "c",
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665: "B",
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666: "e",
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667: "G",
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668: "H",
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669: "j",
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670: "k",
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671: "L",
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672: "q",
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686: "h",
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867: "a",
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868: "e",
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869: "i",
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870: "o",
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871: "u",
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872: "c",
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873: "d",
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874: "h",
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875: "m",
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876: "r",
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877: "t",
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878: "v",
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879: "x",
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7424: "A",
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7427: "B",
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7428: "C",
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7429: "D",
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7431: "E",
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7432: "e",
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7433: "i",
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7434: "J",
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7435: "K",
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7436: "L",
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7437: "M",
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7438: "N",
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7439: "O",
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7440: "O",
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7441: "o",
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7442: "o",
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7443: "o",
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7446: "o",
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7447: "o",
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7448: "P",
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7449: "R",
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7450: "R",
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7451: "T",
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7452: "U",
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7453: "u",
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7454: "u",
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7455: "m",
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7456: "V",
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7457: "W",
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7458: "Z",
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7522: "i",
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7523: "r",
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7524: "u",
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7525: "v",
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7834: "a",
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7835: "s",
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8305: "i",
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8341: "h",
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8342: "k",
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8343: "l",
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8344: "m",
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8345: "n",
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8346: "p",
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8347: "s",
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8348: "t",
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8580: "c"
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};
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for (let i = "\u0300".codePointAt(0); i <= "\u036F".codePointAt(0); ++i) {
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const diacritic = String.fromCodePoint(i);
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for (const asciiChar of "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz") {
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const withDiacritic = (asciiChar + diacritic).normalize();
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const withDiacriticCodePoint = withDiacritic.codePointAt(0);
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if (withDiacriticCodePoint > 126) {
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normalized[withDiacriticCodePoint] = asciiChar;
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}
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}
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}
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const ranges = {
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a: [7844, 7863],
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e: [7870, 7879],
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o: [7888, 7907],
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u: [7912, 7921]
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};
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for (const lowerChar of Object.keys(ranges)) {
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const upperChar = lowerChar.toUpperCase();
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for (let i = ranges[lowerChar][0]; i <= ranges[lowerChar][1]; ++i) {
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normalized[i] = i % 2 === 0 ? upperChar : lowerChar;
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}
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}
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function normalizeRune(rune) {
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if (rune < 192 || rune > 8580) {
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return rune;
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}
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const normalizedChar = normalized[rune];
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if (normalizedChar !== void 0)
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return normalizedChar.codePointAt(0);
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return rune;
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}
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function toShort(number) {
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return number;
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}
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function toInt(number) {
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return number;
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}
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function maxInt16(num1, num2) {
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return num1 > num2 ? num1 : num2;
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}
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const strToRunes = (str) => str.split("").map((s) => s.codePointAt(0));
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const runesToStr = (runes) => runes.map((r) => String.fromCodePoint(r)).join("");
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const whitespaceRunes = new Set(
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" \f\n\r \v\xA0\u1680\u2028\u2029\u202F\u205F\u3000\uFEFF".split("").map((v) => v.codePointAt(0))
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);
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for (let codePoint = "\u2000".codePointAt(0); codePoint <= "\u200A".codePointAt(0); codePoint++) {
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whitespaceRunes.add(codePoint);
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}
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const isWhitespace = (rune) => whitespaceRunes.has(rune);
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const whitespacesAtStart = (runes) => {
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let whitespaces = 0;
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for (const rune of runes) {
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if (isWhitespace(rune))
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whitespaces++;
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else
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break;
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}
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return whitespaces;
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};
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const whitespacesAtEnd = (runes) => {
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let whitespaces = 0;
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for (let i = runes.length - 1; i >= 0; i--) {
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if (isWhitespace(runes[i]))
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whitespaces++;
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else
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break;
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}
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return whitespaces;
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};
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const MAX_ASCII = "\x7F".codePointAt(0);
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const CAPITAL_A_RUNE = "A".codePointAt(0);
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const CAPITAL_Z_RUNE = "Z".codePointAt(0);
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const SMALL_A_RUNE = "a".codePointAt(0);
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const SMALL_Z_RUNE = "z".codePointAt(0);
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const NUMERAL_ZERO_RUNE = "0".codePointAt(0);
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const NUMERAL_NINE_RUNE = "9".codePointAt(0);
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function indexAt(index, max, forward) {
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if (forward) {
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return index;
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}
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return max - index - 1;
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}
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const SCORE_MATCH = 16, SCORE_GAP_START = -3, SCORE_GAP_EXTENTION = -1, BONUS_BOUNDARY = SCORE_MATCH / 2, BONUS_NON_WORD = SCORE_MATCH / 2, BONUS_CAMEL_123 = BONUS_BOUNDARY + SCORE_GAP_EXTENTION, BONUS_CONSECUTIVE = -(SCORE_GAP_START + SCORE_GAP_EXTENTION), BONUS_FIRST_CHAR_MULTIPLIER = 2;
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function createPosSet(withPos) {
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if (withPos) {
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return /* @__PURE__ */ new Set();
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}
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return null;
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}
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function alloc16(offset, slab2, size) {
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if (slab2 !== null && slab2.i16.length > offset + size) {
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const subarray = slab2.i16.subarray(offset, offset + size);
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return [offset + size, subarray];
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}
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return [offset, new Int16Array(size)];
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}
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function alloc32(offset, slab2, size) {
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if (slab2 !== null && slab2.i32.length > offset + size) {
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const subarray = slab2.i32.subarray(offset, offset + size);
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return [offset + size, subarray];
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}
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return [offset, new Int32Array(size)];
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}
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function charClassOfAscii(rune) {
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if (rune >= SMALL_A_RUNE && rune <= SMALL_Z_RUNE) {
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return 1;
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} else if (rune >= CAPITAL_A_RUNE && rune <= CAPITAL_Z_RUNE) {
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return 2;
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} else if (rune >= NUMERAL_ZERO_RUNE && rune <= NUMERAL_NINE_RUNE) {
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return 4;
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} else {
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return 0;
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}
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}
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function charClassOfNonAscii(rune) {
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const char = String.fromCodePoint(rune);
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if (char !== char.toUpperCase()) {
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return 1;
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} else if (char !== char.toLowerCase()) {
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return 2;
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} else if (char.match(/\p{Number}/gu) !== null) {
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return 4;
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} else if (char.match(/\p{Letter}/gu) !== null) {
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return 3;
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}
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return 0;
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}
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function charClassOf(rune) {
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if (rune <= MAX_ASCII) {
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return charClassOfAscii(rune);
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}
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return charClassOfNonAscii(rune);
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}
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function bonusFor(prevClass, currClass) {
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if (prevClass === 0 && currClass !== 0) {
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return BONUS_BOUNDARY;
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} else if (prevClass === 1 && currClass === 2 || prevClass !== 4 && currClass === 4) {
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return BONUS_CAMEL_123;
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} else if (currClass === 0) {
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return BONUS_NON_WORD;
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}
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return 0;
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}
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function bonusAt(input, idx) {
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if (idx === 0) {
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return BONUS_BOUNDARY;
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}
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return bonusFor(charClassOf(input[idx - 1]), charClassOf(input[idx]));
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}
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function trySkip(input, caseSensitive, char, from) {
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let rest = input.slice(from);
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let idx = rest.indexOf(char);
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if (idx === 0) {
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return from;
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}
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if (!caseSensitive && char >= SMALL_A_RUNE && char <= SMALL_Z_RUNE) {
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if (idx > 0) {
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rest = rest.slice(0, idx);
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}
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const uidx = rest.indexOf(char - 32);
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if (uidx >= 0) {
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idx = uidx;
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}
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}
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if (idx < 0) {
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return -1;
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}
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return from + idx;
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}
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function isAscii(runes) {
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for (const rune of runes) {
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if (rune >= 128) {
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return false;
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}
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}
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return true;
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}
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function asciiFuzzyIndex(input, pattern, caseSensitive) {
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if (!isAscii(input)) {
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return 0;
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}
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if (!isAscii(pattern)) {
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return -1;
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}
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let firstIdx = 0, idx = 0;
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for (let pidx = 0; pidx < pattern.length; pidx++) {
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idx = trySkip(input, caseSensitive, pattern[pidx], idx);
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if (idx < 0) {
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return -1;
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}
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if (pidx === 0 && idx > 0) {
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firstIdx = idx - 1;
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}
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idx++;
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}
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return firstIdx;
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}
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const fuzzyMatchV2 = (caseSensitive, normalize, forward, input, pattern, withPos, slab2) => {
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const M = pattern.length;
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if (M === 0) {
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return [{ start: 0, end: 0, score: 0 }, createPosSet(withPos)];
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}
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const N = input.length;
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if (slab2 !== null && N * M > slab2.i16.length) {
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return fuzzyMatchV1(caseSensitive, normalize, forward, input, pattern, withPos);
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}
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const idx = asciiFuzzyIndex(input, pattern, caseSensitive);
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if (idx < 0) {
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return [{ start: -1, end: -1, score: 0 }, null];
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}
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let offset16 = 0, offset32 = 0, H0 = null, C0 = null, B = null, F = null;
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[offset16, H0] = alloc16(offset16, slab2, N);
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[offset16, C0] = alloc16(offset16, slab2, N);
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[offset16, B] = alloc16(offset16, slab2, N);
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[offset32, F] = alloc32(offset32, slab2, M);
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const [, T] = alloc32(offset32, slab2, N);
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for (let i = 0; i < T.length; i++) {
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T[i] = input[i];
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}
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let maxScore = toShort(0), maxScorePos = 0;
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let pidx = 0, lastIdx = 0;
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const pchar0 = pattern[0];
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let pchar = pattern[0], prevH0 = toShort(0), prevCharClass = 0, inGap = false;
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let Tsub = T.subarray(idx);
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let H0sub = H0.subarray(idx).subarray(0, Tsub.length), C0sub = C0.subarray(idx).subarray(0, Tsub.length), Bsub = B.subarray(idx).subarray(0, Tsub.length);
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for (let [off, char] of Tsub.entries()) {
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let charClass = null;
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if (char <= MAX_ASCII) {
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charClass = charClassOfAscii(char);
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if (!caseSensitive && charClass === 2) {
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char += 32;
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}
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} else {
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charClass = charClassOfNonAscii(char);
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if (!caseSensitive && charClass === 2) {
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char = String.fromCodePoint(char).toLowerCase().codePointAt(0);
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}
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if (normalize) {
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char = normalizeRune(char);
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}
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}
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Tsub[off] = char;
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const bonus = bonusFor(prevCharClass, charClass);
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Bsub[off] = bonus;
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prevCharClass = charClass;
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if (char === pchar) {
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if (pidx < M) {
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F[pidx] = toInt(idx + off);
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pidx++;
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pchar = pattern[Math.min(pidx, M - 1)];
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}
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lastIdx = idx + off;
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}
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if (char === pchar0) {
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const score = SCORE_MATCH + bonus * BONUS_FIRST_CHAR_MULTIPLIER;
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H0sub[off] = score;
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C0sub[off] = 1;
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if (M === 1 && (forward && score > maxScore || !forward && score >= maxScore)) {
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maxScore = score;
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maxScorePos = idx + off;
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if (forward && bonus === BONUS_BOUNDARY) {
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break;
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}
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}
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inGap = false;
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} else {
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if (inGap) {
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H0sub[off] = maxInt16(prevH0 + SCORE_GAP_EXTENTION, 0);
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} else {
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H0sub[off] = maxInt16(prevH0 + SCORE_GAP_START, 0);
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}
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C0sub[off] = 0;
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inGap = true;
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}
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prevH0 = H0sub[off];
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}
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if (pidx !== M) {
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return [{ start: -1, end: -1, score: 0 }, null];
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}
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if (M === 1) {
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const result = {
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start: maxScorePos,
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end: maxScorePos + 1,
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score: maxScore
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};
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if (!withPos) {
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return [result, null];
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}
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const pos2 = /* @__PURE__ */ new Set();
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pos2.add(maxScorePos);
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return [result, pos2];
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}
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const f0 = F[0];
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const width = lastIdx - f0 + 1;
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let H = null;
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[offset16, H] = alloc16(offset16, slab2, width * M);
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{
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const toCopy = H0.subarray(f0, lastIdx + 1);
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for (const [i, v] of toCopy.entries()) {
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H[i] = v;
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}
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}
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let [, C] = alloc16(offset16, slab2, width * M);
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{
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const toCopy = C0.subarray(f0, lastIdx + 1);
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for (const [i, v] of toCopy.entries()) {
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C[i] = v;
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}
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}
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const Fsub = F.subarray(1);
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const Psub = pattern.slice(1).slice(0, Fsub.length);
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for (const [off, f] of Fsub.entries()) {
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let inGap2 = false;
|
|
const pchar2 = Psub[off], pidx2 = off + 1, row = pidx2 * width, Tsub2 = T.subarray(f, lastIdx + 1), Bsub2 = B.subarray(f).subarray(0, Tsub2.length), Csub = C.subarray(row + f - f0).subarray(0, Tsub2.length), Cdiag = C.subarray(row + f - f0 - 1 - width).subarray(0, Tsub2.length), Hsub = H.subarray(row + f - f0).subarray(0, Tsub2.length), Hdiag = H.subarray(row + f - f0 - 1 - width).subarray(0, Tsub2.length), Hleft = H.subarray(row + f - f0 - 1).subarray(0, Tsub2.length);
|
|
Hleft[0] = 0;
|
|
for (const [off2, char] of Tsub2.entries()) {
|
|
const col = off2 + f;
|
|
let s1 = 0, s2 = 0, consecutive = 0;
|
|
if (inGap2) {
|
|
s2 = Hleft[off2] + SCORE_GAP_EXTENTION;
|
|
} else {
|
|
s2 = Hleft[off2] + SCORE_GAP_START;
|
|
}
|
|
if (pchar2 === char) {
|
|
s1 = Hdiag[off2] + SCORE_MATCH;
|
|
let b = Bsub2[off2];
|
|
consecutive = Cdiag[off2] + 1;
|
|
if (b === BONUS_BOUNDARY) {
|
|
consecutive = 1;
|
|
} else if (consecutive > 1) {
|
|
b = maxInt16(b, maxInt16(BONUS_CONSECUTIVE, B[col - consecutive + 1]));
|
|
}
|
|
if (s1 + b < s2) {
|
|
s1 += Bsub2[off2];
|
|
consecutive = 0;
|
|
} else {
|
|
s1 += b;
|
|
}
|
|
}
|
|
Csub[off2] = consecutive;
|
|
inGap2 = s1 < s2;
|
|
const score = maxInt16(maxInt16(s1, s2), 0);
|
|
if (pidx2 === M - 1 && (forward && score > maxScore || !forward && score >= maxScore)) {
|
|
maxScore = score;
|
|
maxScorePos = col;
|
|
}
|
|
Hsub[off2] = score;
|
|
}
|
|
}
|
|
const pos = createPosSet(withPos);
|
|
let j = f0;
|
|
if (withPos && pos !== null) {
|
|
let i = M - 1;
|
|
j = maxScorePos;
|
|
let preferMatch = true;
|
|
while (true) {
|
|
const I = i * width, j0 = j - f0, s = H[I + j0];
|
|
let s1 = 0, s2 = 0;
|
|
if (i > 0 && j >= F[i]) {
|
|
s1 = H[I - width + j0 - 1];
|
|
}
|
|
if (j > F[i]) {
|
|
s2 = H[I + j0 - 1];
|
|
}
|
|
if (s > s1 && (s > s2 || s === s2 && preferMatch)) {
|
|
pos.add(j);
|
|
if (i === 0) {
|
|
break;
|
|
}
|
|
i--;
|
|
}
|
|
preferMatch = C[I + j0] > 1 || I + width + j0 + 1 < C.length && C[I + width + j0 + 1] > 0;
|
|
j--;
|
|
}
|
|
}
|
|
return [{ start: j, end: maxScorePos + 1, score: maxScore }, pos];
|
|
};
|
|
function calculateScore(caseSensitive, normalize, text, pattern, sidx, eidx, withPos) {
|
|
let pidx = 0, score = 0, inGap = false, consecutive = 0, firstBonus = toShort(0);
|
|
const pos = createPosSet(withPos);
|
|
let prevCharClass = 0;
|
|
if (sidx > 0) {
|
|
prevCharClass = charClassOf(text[sidx - 1]);
|
|
}
|
|
for (let idx = sidx; idx < eidx; idx++) {
|
|
let rune = text[idx];
|
|
const charClass = charClassOf(rune);
|
|
if (!caseSensitive) {
|
|
if (rune >= CAPITAL_A_RUNE && rune <= CAPITAL_Z_RUNE) {
|
|
rune += 32;
|
|
} else if (rune > MAX_ASCII) {
|
|
rune = String.fromCodePoint(rune).toLowerCase().codePointAt(0);
|
|
}
|
|
}
|
|
if (normalize) {
|
|
rune = normalizeRune(rune);
|
|
}
|
|
if (rune === pattern[pidx]) {
|
|
if (withPos && pos !== null) {
|
|
pos.add(idx);
|
|
}
|
|
score += SCORE_MATCH;
|
|
let bonus = bonusFor(prevCharClass, charClass);
|
|
if (consecutive === 0) {
|
|
firstBonus = bonus;
|
|
} else {
|
|
if (bonus === BONUS_BOUNDARY) {
|
|
firstBonus = bonus;
|
|
}
|
|
bonus = maxInt16(maxInt16(bonus, firstBonus), BONUS_CONSECUTIVE);
|
|
}
|
|
if (pidx === 0) {
|
|
score += bonus * BONUS_FIRST_CHAR_MULTIPLIER;
|
|
} else {
|
|
score += bonus;
|
|
}
|
|
inGap = false;
|
|
consecutive++;
|
|
pidx++;
|
|
} else {
|
|
if (inGap) {
|
|
score += SCORE_GAP_EXTENTION;
|
|
} else {
|
|
score += SCORE_GAP_START;
|
|
}
|
|
inGap = true;
|
|
consecutive = 0;
|
|
firstBonus = 0;
|
|
}
|
|
prevCharClass = charClass;
|
|
}
|
|
return [score, pos];
|
|
}
|
|
const fuzzyMatchV1 = (caseSensitive, normalize, forward, text, pattern, withPos, slab2) => {
|
|
if (pattern.length === 0) {
|
|
return [{ start: 0, end: 0, score: 0 }, null];
|
|
}
|
|
if (asciiFuzzyIndex(text, pattern, caseSensitive) < 0) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
let pidx = 0, sidx = -1, eidx = -1;
|
|
const lenRunes = text.length;
|
|
const lenPattern = pattern.length;
|
|
for (let index = 0; index < lenRunes; index++) {
|
|
let rune = text[indexAt(index, lenRunes, forward)];
|
|
if (!caseSensitive) {
|
|
if (rune >= CAPITAL_A_RUNE && rune <= CAPITAL_Z_RUNE) {
|
|
rune += 32;
|
|
} else if (rune > MAX_ASCII) {
|
|
rune = String.fromCodePoint(rune).toLowerCase().codePointAt(0);
|
|
}
|
|
}
|
|
if (normalize) {
|
|
rune = normalizeRune(rune);
|
|
}
|
|
const pchar = pattern[indexAt(pidx, lenPattern, forward)];
|
|
if (rune === pchar) {
|
|
if (sidx < 0) {
|
|
sidx = index;
|
|
}
|
|
pidx++;
|
|
if (pidx === lenPattern) {
|
|
eidx = index + 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (sidx >= 0 && eidx >= 0) {
|
|
pidx--;
|
|
for (let index = eidx - 1; index >= sidx; index--) {
|
|
const tidx = indexAt(index, lenRunes, forward);
|
|
let rune = text[tidx];
|
|
if (!caseSensitive) {
|
|
if (rune >= CAPITAL_A_RUNE && rune <= CAPITAL_Z_RUNE) {
|
|
rune += 32;
|
|
} else if (rune > MAX_ASCII) {
|
|
rune = String.fromCodePoint(rune).toLowerCase().codePointAt(0);
|
|
}
|
|
}
|
|
const pidx_ = indexAt(pidx, lenPattern, forward);
|
|
const pchar = pattern[pidx_];
|
|
if (rune === pchar) {
|
|
pidx--;
|
|
if (pidx < 0) {
|
|
sidx = index;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!forward) {
|
|
const sidxTemp = sidx;
|
|
sidx = lenRunes - eidx;
|
|
eidx = lenRunes - sidxTemp;
|
|
}
|
|
const [score, pos] = calculateScore(
|
|
caseSensitive,
|
|
normalize,
|
|
text,
|
|
pattern,
|
|
sidx,
|
|
eidx,
|
|
withPos
|
|
);
|
|
return [{ start: sidx, end: eidx, score }, pos];
|
|
}
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
};
|
|
const exactMatchNaive = (caseSensitive, normalize, forward, text, pattern, withPos, slab2) => {
|
|
if (pattern.length === 0) {
|
|
return [{ start: 0, end: 0, score: 0 }, null];
|
|
}
|
|
const lenRunes = text.length;
|
|
const lenPattern = pattern.length;
|
|
if (lenRunes < lenPattern) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
if (asciiFuzzyIndex(text, pattern, caseSensitive) < 0) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
let pidx = 0;
|
|
let bestPos = -1, bonus = toShort(0), bestBonus = toShort(-1);
|
|
for (let index = 0; index < lenRunes; index++) {
|
|
const index_ = indexAt(index, lenRunes, forward);
|
|
let rune = text[index_];
|
|
if (!caseSensitive) {
|
|
if (rune >= CAPITAL_A_RUNE && rune <= CAPITAL_Z_RUNE) {
|
|
rune += 32;
|
|
} else if (rune > MAX_ASCII) {
|
|
rune = String.fromCodePoint(rune).toLowerCase().codePointAt(0);
|
|
}
|
|
}
|
|
if (normalize) {
|
|
rune = normalizeRune(rune);
|
|
}
|
|
const pidx_ = indexAt(pidx, lenPattern, forward);
|
|
const pchar = pattern[pidx_];
|
|
if (pchar === rune) {
|
|
if (pidx_ === 0) {
|
|
bonus = bonusAt(text, index_);
|
|
}
|
|
pidx++;
|
|
if (pidx === lenPattern) {
|
|
if (bonus > bestBonus) {
|
|
bestPos = index;
|
|
bestBonus = bonus;
|
|
}
|
|
if (bonus === BONUS_BOUNDARY) {
|
|
break;
|
|
}
|
|
index -= pidx - 1;
|
|
pidx = 0;
|
|
bonus = 0;
|
|
}
|
|
} else {
|
|
index -= pidx;
|
|
pidx = 0;
|
|
bonus = 0;
|
|
}
|
|
}
|
|
if (bestPos >= 0) {
|
|
let sidx = 0, eidx = 0;
|
|
if (forward) {
|
|
sidx = bestPos - lenPattern + 1;
|
|
eidx = bestPos + 1;
|
|
} else {
|
|
sidx = lenRunes - (bestPos + 1);
|
|
eidx = lenRunes - (bestPos - lenPattern + 1);
|
|
}
|
|
const [score] = calculateScore(caseSensitive, normalize, text, pattern, sidx, eidx, false);
|
|
return [{ start: sidx, end: eidx, score }, null];
|
|
}
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
};
|
|
const prefixMatch = (caseSensitive, normalize, forward, text, pattern, withPos, slab2) => {
|
|
if (pattern.length === 0) {
|
|
return [{ start: 0, end: 0, score: 0 }, null];
|
|
}
|
|
let trimmedLen = 0;
|
|
if (!isWhitespace(pattern[0])) {
|
|
trimmedLen = whitespacesAtStart(text);
|
|
}
|
|
if (text.length - trimmedLen < pattern.length) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
for (const [index, r] of pattern.entries()) {
|
|
let rune = text[trimmedLen + index];
|
|
if (!caseSensitive) {
|
|
rune = String.fromCodePoint(rune).toLowerCase().codePointAt(0);
|
|
}
|
|
if (normalize) {
|
|
rune = normalizeRune(rune);
|
|
}
|
|
if (rune !== r) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
}
|
|
const lenPattern = pattern.length;
|
|
const [score] = calculateScore(
|
|
caseSensitive,
|
|
normalize,
|
|
text,
|
|
pattern,
|
|
trimmedLen,
|
|
trimmedLen + lenPattern,
|
|
false
|
|
);
|
|
return [{ start: trimmedLen, end: trimmedLen + lenPattern, score }, null];
|
|
};
|
|
const suffixMatch = (caseSensitive, normalize, forward, text, pattern, withPos, slab2) => {
|
|
const lenRunes = text.length;
|
|
let trimmedLen = lenRunes;
|
|
if (pattern.length === 0 || !isWhitespace(pattern[pattern.length - 1])) {
|
|
trimmedLen -= whitespacesAtEnd(text);
|
|
}
|
|
if (pattern.length === 0) {
|
|
return [{ start: trimmedLen, end: trimmedLen, score: 0 }, null];
|
|
}
|
|
const diff = trimmedLen - pattern.length;
|
|
if (diff < 0) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
for (const [index, r] of pattern.entries()) {
|
|
let rune = text[index + diff];
|
|
if (!caseSensitive) {
|
|
rune = String.fromCodePoint(rune).toLowerCase().codePointAt(0);
|
|
}
|
|
if (normalize) {
|
|
rune = normalizeRune(rune);
|
|
}
|
|
if (rune !== r) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
}
|
|
const lenPattern = pattern.length;
|
|
const sidx = trimmedLen - lenPattern;
|
|
const eidx = trimmedLen;
|
|
const [score] = calculateScore(caseSensitive, normalize, text, pattern, sidx, eidx, false);
|
|
return [{ start: sidx, end: eidx, score }, null];
|
|
};
|
|
const equalMatch = (caseSensitive, normalize, forward, text, pattern, withPos, slab2) => {
|
|
const lenPattern = pattern.length;
|
|
if (lenPattern === 0) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
let trimmedLen = 0;
|
|
if (!isWhitespace(pattern[0])) {
|
|
trimmedLen = whitespacesAtStart(text);
|
|
}
|
|
let trimmedEndLen = 0;
|
|
if (!isWhitespace(pattern[lenPattern - 1])) {
|
|
trimmedEndLen = whitespacesAtEnd(text);
|
|
}
|
|
if (text.length - trimmedLen - trimmedEndLen != lenPattern) {
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
}
|
|
let match = true;
|
|
if (normalize) {
|
|
const runes = text;
|
|
for (const [idx, pchar] of pattern.entries()) {
|
|
let rune = runes[trimmedLen + idx];
|
|
if (!caseSensitive) {
|
|
rune = String.fromCodePoint(rune).toLowerCase().codePointAt(0);
|
|
}
|
|
if (normalizeRune(pchar) !== normalizeRune(rune)) {
|
|
match = false;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
let runesStr = runesToStr(text).substring(trimmedLen, text.length - trimmedEndLen);
|
|
if (!caseSensitive) {
|
|
runesStr = runesStr.toLowerCase();
|
|
}
|
|
match = runesStr === runesToStr(pattern);
|
|
}
|
|
if (match) {
|
|
return [
|
|
{
|
|
start: trimmedLen,
|
|
end: trimmedLen + lenPattern,
|
|
score: (SCORE_MATCH + BONUS_BOUNDARY) * lenPattern + (BONUS_FIRST_CHAR_MULTIPLIER - 1) * BONUS_BOUNDARY
|
|
},
|
|
null
|
|
];
|
|
}
|
|
return [{ start: -1, end: -1, score: 0 }, null];
|
|
};
|
|
const SLAB_16_SIZE = 100 * 1024;
|
|
const SLAB_32_SIZE = 2048;
|
|
function makeSlab(size16, size32) {
|
|
return {
|
|
i16: new Int16Array(size16),
|
|
i32: new Int32Array(size32)
|
|
};
|
|
}
|
|
const slab = makeSlab(SLAB_16_SIZE, SLAB_32_SIZE);
|
|
var TermType = /* @__PURE__ */ ((TermType2) => {
|
|
TermType2[TermType2["Fuzzy"] = 0] = "Fuzzy";
|
|
TermType2[TermType2["Exact"] = 1] = "Exact";
|
|
TermType2[TermType2["Prefix"] = 2] = "Prefix";
|
|
TermType2[TermType2["Suffix"] = 3] = "Suffix";
|
|
TermType2[TermType2["Equal"] = 4] = "Equal";
|
|
return TermType2;
|
|
})(TermType || {});
|
|
const termTypeMap = {
|
|
[0]: fuzzyMatchV2,
|
|
[1]: exactMatchNaive,
|
|
[2]: prefixMatch,
|
|
[3]: suffixMatch,
|
|
[4]: equalMatch
|
|
};
|
|
function buildPatternForExtendedMatch(fuzzy, caseMode, normalize, str) {
|
|
let cacheable = true;
|
|
str = str.trimLeft();
|
|
{
|
|
const trimmedAtRightStr = str.trimRight();
|
|
if (trimmedAtRightStr.endsWith("\\") && str[trimmedAtRightStr.length] === " ") {
|
|
str = trimmedAtRightStr + " ";
|
|
} else {
|
|
str = trimmedAtRightStr;
|
|
}
|
|
}
|
|
let sortable = false;
|
|
let termSets = [];
|
|
termSets = parseTerms(fuzzy, caseMode, normalize, str);
|
|
Loop:
|
|
for (const termSet of termSets) {
|
|
for (const [idx, term] of termSet.entries()) {
|
|
if (!term.inv) {
|
|
sortable = true;
|
|
}
|
|
if (!cacheable || idx > 0 || term.inv || fuzzy && term.typ !== 0 || !fuzzy && term.typ !== 1) {
|
|
cacheable = false;
|
|
if (sortable) {
|
|
break Loop;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return {
|
|
str,
|
|
termSets,
|
|
sortable,
|
|
cacheable,
|
|
fuzzy
|
|
};
|
|
}
|
|
function parseTerms(fuzzy, caseMode, normalize, str) {
|
|
str = str.replace(/\\ /g, " ");
|
|
const tokens = str.split(/ +/);
|
|
const sets = [];
|
|
let set = [];
|
|
let switchSet = false;
|
|
let afterBar = false;
|
|
for (const token of tokens) {
|
|
let typ = 0, inv = false, text = token.replace(/\t/g, " ");
|
|
const lowerText = text.toLowerCase();
|
|
const caseSensitive = caseMode === "case-sensitive" || caseMode === "smart-case" && text !== lowerText;
|
|
const normalizeTerm = normalize && lowerText === runesToStr(strToRunes(lowerText).map(normalizeRune));
|
|
if (!caseSensitive) {
|
|
text = lowerText;
|
|
}
|
|
if (!fuzzy) {
|
|
typ = 1;
|
|
}
|
|
if (set.length > 0 && !afterBar && text === "|") {
|
|
switchSet = false;
|
|
afterBar = true;
|
|
continue;
|
|
}
|
|
afterBar = false;
|
|
if (text.startsWith("!")) {
|
|
inv = true;
|
|
typ = 1;
|
|
text = text.substring(1);
|
|
}
|
|
if (text !== "$" && text.endsWith("$")) {
|
|
typ = 3;
|
|
text = text.substring(0, text.length - 1);
|
|
}
|
|
if (text.startsWith("'")) {
|
|
if (fuzzy && !inv) {
|
|
typ = 1;
|
|
} else {
|
|
typ = 0;
|
|
}
|
|
text = text.substring(1);
|
|
} else if (text.startsWith("^")) {
|
|
if (typ === 3) {
|
|
typ = 4;
|
|
} else {
|
|
typ = 2;
|
|
}
|
|
text = text.substring(1);
|
|
}
|
|
if (text.length > 0) {
|
|
if (switchSet) {
|
|
sets.push(set);
|
|
set = [];
|
|
}
|
|
let textRunes = strToRunes(text);
|
|
if (normalizeTerm) {
|
|
textRunes = textRunes.map(normalizeRune);
|
|
}
|
|
set.push({
|
|
typ,
|
|
inv,
|
|
text: textRunes,
|
|
caseSensitive,
|
|
normalize: normalizeTerm
|
|
});
|
|
switchSet = true;
|
|
}
|
|
}
|
|
if (set.length > 0) {
|
|
sets.push(set);
|
|
}
|
|
return sets;
|
|
}
|
|
const buildPatternForBasicMatch = (query, casing, normalize) => {
|
|
let caseSensitive = false;
|
|
switch (casing) {
|
|
case "smart-case":
|
|
if (query.toLowerCase() !== query) {
|
|
caseSensitive = true;
|
|
}
|
|
break;
|
|
case "case-sensitive":
|
|
caseSensitive = true;
|
|
break;
|
|
case "case-insensitive":
|
|
query = query.toLowerCase();
|
|
caseSensitive = false;
|
|
break;
|
|
}
|
|
let queryRunes = strToRunes(query);
|
|
if (normalize) {
|
|
queryRunes = queryRunes.map(normalizeRune);
|
|
}
|
|
return {
|
|
queryRunes,
|
|
caseSensitive
|
|
};
|
|
};
|
|
function iter(algoFn, tokens, caseSensitive, normalize, forward, pattern, slab2) {
|
|
for (const part of tokens) {
|
|
const [res, pos] = algoFn(caseSensitive, normalize, forward, part.text, pattern, true, slab2);
|
|
if (res.start >= 0) {
|
|
const sidx = res.start + part.prefixLength;
|
|
const eidx = res.end + part.prefixLength;
|
|
if (pos !== null) {
|
|
const newPos = /* @__PURE__ */ new Set();
|
|
pos.forEach((v) => newPos.add(part.prefixLength + v));
|
|
return [[sidx, eidx], res.score, newPos];
|
|
}
|
|
return [[sidx, eidx], res.score, pos];
|
|
}
|
|
}
|
|
return [[-1, -1], 0, null];
|
|
}
|
|
function computeExtendedMatch(text, pattern, fuzzyAlgo, forward) {
|
|
const input = [
|
|
{
|
|
text,
|
|
prefixLength: 0
|
|
}
|
|
];
|
|
const offsets = [];
|
|
let totalScore = 0;
|
|
const allPos = /* @__PURE__ */ new Set();
|
|
for (const termSet of pattern.termSets) {
|
|
let offset = [0, 0];
|
|
let currentScore = 0;
|
|
let matched = false;
|
|
for (const term of termSet) {
|
|
let algoFn = termTypeMap[term.typ];
|
|
if (term.typ === TermType.Fuzzy) {
|
|
algoFn = fuzzyAlgo;
|
|
}
|
|
const [off, score, pos] = iter(
|
|
algoFn,
|
|
input,
|
|
term.caseSensitive,
|
|
term.normalize,
|
|
forward,
|
|
term.text,
|
|
slab
|
|
);
|
|
const sidx = off[0];
|
|
if (sidx >= 0) {
|
|
if (term.inv) {
|
|
continue;
|
|
}
|
|
offset = off;
|
|
currentScore = score;
|
|
matched = true;
|
|
if (pos !== null) {
|
|
pos.forEach((v) => allPos.add(v));
|
|
} else {
|
|
for (let idx = off[0]; idx < off[1]; ++idx) {
|
|
allPos.add(idx);
|
|
}
|
|
}
|
|
break;
|
|
} else if (term.inv) {
|
|
offset = [0, 0];
|
|
currentScore = 0;
|
|
matched = true;
|
|
continue;
|
|
}
|
|
}
|
|
if (matched) {
|
|
offsets.push(offset);
|
|
totalScore += currentScore;
|
|
}
|
|
}
|
|
return { offsets, totalScore, allPos };
|
|
}
|
|
function getResultFromScoreMap(scoreMap, limit) {
|
|
const scoresInDesc = Object.keys(scoreMap).map((v) => parseInt(v, 10)).sort((a, b) => b - a);
|
|
let result = [];
|
|
for (const score of scoresInDesc) {
|
|
result = result.concat(scoreMap[score]);
|
|
if (result.length >= limit) {
|
|
break;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
function getBasicMatchIter(scoreMap, queryRunes, caseSensitive) {
|
|
return (idx) => {
|
|
const itemRunes = this.runesList[idx];
|
|
if (queryRunes.length > itemRunes.length)
|
|
return;
|
|
let [match, positions] = this.algoFn(
|
|
caseSensitive,
|
|
this.opts.normalize,
|
|
this.opts.forward,
|
|
itemRunes,
|
|
queryRunes,
|
|
true,
|
|
slab
|
|
);
|
|
if (match.start === -1)
|
|
return;
|
|
if (this.opts.fuzzy === false) {
|
|
positions = /* @__PURE__ */ new Set();
|
|
for (let position = match.start; position < match.end; ++position) {
|
|
positions.add(position);
|
|
}
|
|
}
|
|
const scoreKey = this.opts.sort ? match.score : 0;
|
|
if (scoreMap[scoreKey] === void 0) {
|
|
scoreMap[scoreKey] = [];
|
|
}
|
|
scoreMap[scoreKey].push({
|
|
item: this.items[idx],
|
|
...match,
|
|
positions: positions != null ? positions : /* @__PURE__ */ new Set()
|
|
});
|
|
};
|
|
}
|
|
function getExtendedMatchIter(scoreMap, pattern) {
|
|
return (idx) => {
|
|
const runes = this.runesList[idx];
|
|
const match = computeExtendedMatch(runes, pattern, this.algoFn, this.opts.forward);
|
|
if (match.offsets.length !== pattern.termSets.length)
|
|
return;
|
|
let sidx = -1, eidx = -1;
|
|
if (match.allPos.size > 0) {
|
|
sidx = Math.min(...match.allPos);
|
|
eidx = Math.max(...match.allPos) + 1;
|
|
}
|
|
const scoreKey = this.opts.sort ? match.totalScore : 0;
|
|
if (scoreMap[scoreKey] === void 0) {
|
|
scoreMap[scoreKey] = [];
|
|
}
|
|
scoreMap[scoreKey].push({
|
|
score: match.totalScore,
|
|
item: this.items[idx],
|
|
positions: match.allPos,
|
|
start: sidx,
|
|
end: eidx
|
|
});
|
|
};
|
|
}
|
|
function basicMatch(query) {
|
|
const { queryRunes, caseSensitive } = buildPatternForBasicMatch(
|
|
query,
|
|
this.opts.casing,
|
|
this.opts.normalize
|
|
);
|
|
const scoreMap = {};
|
|
const iter2 = getBasicMatchIter.bind(this)(
|
|
scoreMap,
|
|
queryRunes,
|
|
caseSensitive
|
|
);
|
|
for (let i = 0, len = this.runesList.length; i < len; ++i) {
|
|
iter2(i);
|
|
}
|
|
return getResultFromScoreMap(scoreMap, this.opts.limit);
|
|
}
|
|
function extendedMatch(query) {
|
|
const pattern = buildPatternForExtendedMatch(
|
|
Boolean(this.opts.fuzzy),
|
|
this.opts.casing,
|
|
this.opts.normalize,
|
|
query
|
|
);
|
|
const scoreMap = {};
|
|
const iter2 = getExtendedMatchIter.bind(this)(scoreMap, pattern);
|
|
for (let i = 0, len = this.runesList.length; i < len; ++i) {
|
|
iter2(i);
|
|
}
|
|
return getResultFromScoreMap(scoreMap, this.opts.limit);
|
|
}
|
|
const isNode = typeof require !== "undefined" && typeof window === "undefined";
|
|
function asyncMatcher(token, len, iter2, onFinish) {
|
|
return new Promise((resolve, reject) => {
|
|
const INCREMENT = 1e3;
|
|
let i = 0, end = Math.min(INCREMENT, len);
|
|
const step = () => {
|
|
if (token.cancelled)
|
|
return reject("search cancelled");
|
|
for (; i < end; ++i) {
|
|
iter2(i);
|
|
}
|
|
if (end < len) {
|
|
end = Math.min(end + INCREMENT, len);
|
|
isNode ? setImmediate(step) : setTimeout(step);
|
|
} else {
|
|
resolve(onFinish());
|
|
}
|
|
};
|
|
step();
|
|
});
|
|
}
|
|
function asyncBasicMatch(query, token) {
|
|
const { queryRunes, caseSensitive } = buildPatternForBasicMatch(
|
|
query,
|
|
this.opts.casing,
|
|
this.opts.normalize
|
|
);
|
|
const scoreMap = {};
|
|
return asyncMatcher(
|
|
token,
|
|
this.runesList.length,
|
|
getBasicMatchIter.bind(this)(scoreMap, queryRunes, caseSensitive),
|
|
() => getResultFromScoreMap(scoreMap, this.opts.limit)
|
|
);
|
|
}
|
|
function asyncExtendedMatch(query, token) {
|
|
const pattern = buildPatternForExtendedMatch(
|
|
Boolean(this.opts.fuzzy),
|
|
this.opts.casing,
|
|
this.opts.normalize,
|
|
query
|
|
);
|
|
const scoreMap = {};
|
|
return asyncMatcher(
|
|
token,
|
|
this.runesList.length,
|
|
getExtendedMatchIter.bind(this)(scoreMap, pattern),
|
|
() => getResultFromScoreMap(scoreMap, this.opts.limit)
|
|
);
|
|
}
|
|
const defaultOpts = {
|
|
limit: Infinity,
|
|
selector: (v) => v,
|
|
casing: "smart-case",
|
|
normalize: true,
|
|
fuzzy: "v2",
|
|
tiebreakers: [],
|
|
sort: true,
|
|
forward: true
|
|
};
|
|
class BaseFinder {
|
|
constructor(list, ...optionsTuple) {
|
|
this.opts = { ...defaultOpts, ...optionsTuple[0] };
|
|
this.items = list;
|
|
this.runesList = list.map((item) => strToRunes(this.opts.selector(item).normalize()));
|
|
this.algoFn = exactMatchNaive;
|
|
switch (this.opts.fuzzy) {
|
|
case "v2":
|
|
this.algoFn = fuzzyMatchV2;
|
|
break;
|
|
case "v1":
|
|
this.algoFn = fuzzyMatchV1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
const syncDefaultOpts = {
|
|
...defaultOpts,
|
|
match: basicMatch
|
|
};
|
|
class SyncFinder extends BaseFinder {
|
|
constructor(list, ...optionsTuple) {
|
|
super(list, ...optionsTuple);
|
|
this.opts = { ...syncDefaultOpts, ...optionsTuple[0] };
|
|
}
|
|
find(query) {
|
|
if (query.length === 0 || this.items.length === 0)
|
|
return this.items.slice(0, this.opts.limit).map(createResultItemWithEmptyPos);
|
|
query = query.normalize();
|
|
let result = this.opts.match.bind(this)(query);
|
|
return postProcessResultItems(result, this.opts);
|
|
}
|
|
}
|
|
const asyncDefaultOpts = {
|
|
...defaultOpts,
|
|
match: asyncBasicMatch
|
|
};
|
|
class AsyncFinder extends BaseFinder {
|
|
constructor(list, ...optionsTuple) {
|
|
super(list, ...optionsTuple);
|
|
this.opts = { ...asyncDefaultOpts, ...optionsTuple[0] };
|
|
this.token = { cancelled: false };
|
|
}
|
|
async find(query) {
|
|
this.token.cancelled = true;
|
|
this.token = { cancelled: false };
|
|
if (query.length === 0 || this.items.length === 0)
|
|
return this.items.slice(0, this.opts.limit).map(createResultItemWithEmptyPos);
|
|
query = query.normalize();
|
|
let result = await this.opts.match.bind(this)(query, this.token);
|
|
return postProcessResultItems(result, this.opts);
|
|
}
|
|
}
|
|
const createResultItemWithEmptyPos = (item) => ({
|
|
item,
|
|
start: -1,
|
|
end: -1,
|
|
score: 0,
|
|
positions: /* @__PURE__ */ new Set()
|
|
});
|
|
function postProcessResultItems(result, opts) {
|
|
if (opts.sort) {
|
|
const { selector } = opts;
|
|
result.sort((a, b) => {
|
|
if (a.score === b.score) {
|
|
for (const tiebreaker of opts.tiebreakers) {
|
|
const diff = tiebreaker(a, b, selector);
|
|
if (diff !== 0) {
|
|
return diff;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
});
|
|
}
|
|
if (Number.isFinite(opts.limit)) {
|
|
result.splice(opts.limit);
|
|
}
|
|
return result;
|
|
}
|
|
function byLengthAsc(a, b, selector) {
|
|
return selector(a.item).length - selector(b.item).length;
|
|
}
|
|
function byStartAsc(a, b) {
|
|
return a.start - b.start;
|
|
}
|
|
class Fzf {
|
|
constructor(list, ...optionsTuple) {
|
|
this.finder = new SyncFinder(list, ...optionsTuple);
|
|
this.find = this.finder.find.bind(this.finder);
|
|
}
|
|
}
|
|
class AsyncFzf {
|
|
constructor(list, ...optionsTuple) {
|
|
this.finder = new AsyncFinder(list, ...optionsTuple);
|
|
this.find = this.finder.find.bind(this.finder);
|
|
}
|
|
}
|
|
export { AsyncFzf, Fzf, asyncBasicMatch, asyncExtendedMatch, basicMatch, byLengthAsc, byStartAsc, extendedMatch };
|