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| author | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
|---|---|---|
| committer | Adam Mathes <adam@adammathes.com> | 2026-02-14 14:46:37 -0800 |
| commit | afa87af01c79a9baa539f2992d32154d2a4739bd (patch) | |
| tree | 92c7416db734270a2fee1d72ee9cc119379ff8e1 /vanilla/node_modules/bidi-js/src | |
| parent | 3b927e84d200402281f68181cd4253bc77e5528d (diff) | |
| download | neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.gz neko-afa87af01c79a9baa539f2992d32154d2a4739bd.tar.bz2 neko-afa87af01c79a9baa539f2992d32154d2a4739bd.zip | |
task: delete vanilla js prototype\n\n- Removed vanilla/ directory and web/dist/vanilla directory\n- Updated Makefile, Dockerfile, and CI workflow to remove vanilla references\n- Cleaned up web/web.go to remove vanilla embed and routes\n- Verified build and tests pass\n\nCloses NK-2tcnmq
Diffstat (limited to 'vanilla/node_modules/bidi-js/src')
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/brackets.js | 30 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/charTypes.js | 66 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/data/bidiBrackets.data.js | 5 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/data/bidiCharTypes.data.js | 25 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/data/bidiMirroring.data.js | 2 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/embeddingLevels.js | 690 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/index.js | 5 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/mirroring.js | 48 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/reordering.js | 99 | ||||
| -rw-r--r-- | vanilla/node_modules/bidi-js/src/util/parseCharacterMap.js | 30 |
10 files changed, 0 insertions, 1000 deletions
diff --git a/vanilla/node_modules/bidi-js/src/brackets.js b/vanilla/node_modules/bidi-js/src/brackets.js deleted file mode 100644 index c598bc1..0000000 --- a/vanilla/node_modules/bidi-js/src/brackets.js +++ /dev/null @@ -1,30 +0,0 @@ -import data from './data/bidiBrackets.data.js' -import { parseCharacterMap } from './util/parseCharacterMap.js' - -let openToClose, closeToOpen, canonical - -function parse () { - if (!openToClose) { - //const start = performance.now() - let { map, reverseMap } = parseCharacterMap(data.pairs, true) - openToClose = map - closeToOpen = reverseMap - canonical = parseCharacterMap(data.canonical, false).map - //console.log(`brackets parsed in ${performance.now() - start}ms`) - } -} - -export function openingToClosingBracket (char) { - parse() - return openToClose.get(char) || null -} - -export function closingToOpeningBracket (char) { - parse() - return closeToOpen.get(char) || null -} - -export function getCanonicalBracket (char) { - parse() - return canonical.get(char) || null -} diff --git a/vanilla/node_modules/bidi-js/src/charTypes.js b/vanilla/node_modules/bidi-js/src/charTypes.js deleted file mode 100644 index 057e871..0000000 --- a/vanilla/node_modules/bidi-js/src/charTypes.js +++ /dev/null @@ -1,66 +0,0 @@ -import DATA from './data/bidiCharTypes.data.js' - -const TYPES = {} -const TYPES_TO_NAMES = {} -TYPES.L = 1 //L is the default -TYPES_TO_NAMES[1] = 'L' -Object.keys(DATA).forEach((type, i) => { - TYPES[type] = 1 << (i + 1) - TYPES_TO_NAMES[TYPES[type]] = type -}) -Object.freeze(TYPES) - -const ISOLATE_INIT_TYPES = TYPES.LRI | TYPES.RLI | TYPES.FSI -const STRONG_TYPES = TYPES.L | TYPES.R | TYPES.AL -const NEUTRAL_ISOLATE_TYPES = TYPES.B | TYPES.S | TYPES.WS | TYPES.ON | TYPES.FSI | TYPES.LRI | TYPES.RLI | TYPES.PDI -const BN_LIKE_TYPES = TYPES.BN | TYPES.RLE | TYPES.LRE | TYPES.RLO | TYPES.LRO | TYPES.PDF -const TRAILING_TYPES = TYPES.S | TYPES.WS | TYPES.B | ISOLATE_INIT_TYPES | TYPES.PDI | BN_LIKE_TYPES - -let map = null - -function parseData () { - if (!map) { - //const start = performance.now() - map = new Map() - for (let type in DATA) { - if (DATA.hasOwnProperty(type)) { - let lastCode = 0 - DATA[type].split(',').forEach(range => { - let [skip, step] = range.split('+') - skip = parseInt(skip, 36) - step = step ? parseInt(step, 36) : 0 - map.set(lastCode += skip, TYPES[type]) - for (let i = 0; i < step; i++) { - map.set(++lastCode, TYPES[type]) - } - }) - } - } - //console.log(`char types parsed in ${performance.now() - start}ms`) - } -} - -/** - * @param {string} char - * @return {number} - */ -function getBidiCharType (char) { - parseData() - return map.get(char.codePointAt(0)) || TYPES.L -} - -function getBidiCharTypeName(char) { - return TYPES_TO_NAMES[getBidiCharType(char)] -} - -export { - getBidiCharType, - getBidiCharTypeName, - TYPES, - TYPES_TO_NAMES, - ISOLATE_INIT_TYPES, - STRONG_TYPES, - NEUTRAL_ISOLATE_TYPES, - BN_LIKE_TYPES, - TRAILING_TYPES -} diff --git a/vanilla/node_modules/bidi-js/src/data/bidiBrackets.data.js b/vanilla/node_modules/bidi-js/src/data/bidiBrackets.data.js deleted file mode 100644 index 885ae97..0000000 --- a/vanilla/node_modules/bidi-js/src/data/bidiBrackets.data.js +++ /dev/null @@ -1,5 +0,0 @@ -// Bidi bracket pairs data, auto generated -export default { - "pairs": "14>1,1e>2,u>2,2wt>1,1>1,1ge>1,1wp>1,1j>1,f>1,hm>1,1>1,u>1,u6>1,1>1,+5,28>1,w>1,1>1,+3,b8>1,1>1,+3,1>3,-1>-1,3>1,1>1,+2,1s>1,1>1,x>1,th>1,1>1,+2,db>1,1>1,+3,3>1,1>1,+2,14qm>1,1>1,+1,4q>1,1e>2,u>2,2>1,+1", - "canonical": "6f1>-6dx,6dy>-6dx,6ec>-6ed,6ee>-6ed,6ww>2jj,-2ji>2jj,14r4>-1e7l,1e7m>-1e7l,1e7m>-1e5c,1e5d>-1e5b,1e5c>-14qx,14qy>-14qx,14vn>-1ecg,1ech>-1ecg,1edu>-1ecg,1eci>-1ecg,1eda>-1ecg,1eci>-1ecg,1eci>-168q,168r>-168q,168s>-14ye,14yf>-14ye" -} diff --git a/vanilla/node_modules/bidi-js/src/data/bidiCharTypes.data.js b/vanilla/node_modules/bidi-js/src/data/bidiCharTypes.data.js deleted file mode 100644 index b263c80..0000000 --- a/vanilla/node_modules/bidi-js/src/data/bidiCharTypes.data.js +++ /dev/null @@ -1,25 +0,0 @@ -// Bidi character types data, auto generated -export default { - "R": "13k,1a,2,3,3,2+1j,ch+16,a+1,5+2,2+n,5,a,4,6+16,4+3,h+1b,4mo,179q,2+9,2+11,2i9+7y,2+68,4,3+4,5+13,4+3,2+4k,3+29,8+cf,1t+7z,w+17,3+3m,1t+3z,16o1+5r,8+30,8+mc,29+1r,29+4v,75+73", - "EN": "1c+9,3d+1,6,187+9,513,4+5,7+9,sf+j,175h+9,qw+q,161f+1d,4xt+a,25i+9", - "ES": "17,2,6dp+1,f+1,av,16vr,mx+1,4o,2", - "ET": "z+2,3h+3,b+1,ym,3e+1,2o,p4+1,8,6u,7c,g6,1wc,1n9+4,30+1b,2n,6d,qhx+1,h0m,a+1,49+2,63+1,4+1,6bb+3,12jj", - "AN": "16o+5,2j+9,2+1,35,ed,1ff2+9,87+u", - "CS": "18,2+1,b,2u,12k,55v,l,17v0,2,3,53,2+1,b", - "B": "a,3,f+2,2v,690", - "S": "9,2,k", - "WS": "c,k,4f4,1vk+a,u,1j,335", - "ON": "x+1,4+4,h+5,r+5,r+3,z,5+3,2+1,2+1,5,2+2,3+4,o,w,ci+1,8+d,3+d,6+8,2+g,39+1,9,6+1,2,33,b8,3+1,3c+1,7+1,5r,b,7h+3,sa+5,2,3i+6,jg+3,ur+9,2v,ij+1,9g+9,7+a,8m,4+1,49+x,14u,2+2,c+2,e+2,e+2,e+1,i+n,e+e,2+p,u+2,e+2,36+1,2+3,2+1,b,2+2,6+5,2,2,2,h+1,5+4,6+3,3+f,16+2,5+3l,3+81,1y+p,2+40,q+a,m+13,2r+ch,2+9e,75+hf,3+v,2+2w,6e+5,f+6,75+2a,1a+p,2+2g,d+5x,r+b,6+3,4+o,g,6+1,6+2,2k+1,4,2j,5h+z,1m+1,1e+f,t+2,1f+e,d+3,4o+3,2s+1,w,535+1r,h3l+1i,93+2,2s,b+1,3l+x,2v,4g+3,21+3,kz+1,g5v+1,5a,j+9,n+v,2,3,2+8,2+1,3+2,2,3,46+1,4+4,h+5,r+5,r+a,3h+2,4+6,b+4,78,1r+24,4+c,4,1hb,ey+6,103+j,16j+c,1ux+7,5+g,fsh,jdq+1t,4,57+2e,p1,1m,1m,1m,1m,4kt+1,7j+17,5+2r,d+e,3+e,2+e,2+10,m+4,w,1n+5,1q,4z+5,4b+rb,9+c,4+c,4+37,d+2g,8+b,l+b,5+1j,9+9,7+13,9+t,3+1,27+3c,2+29,2+3q,d+d,3+4,4+2,6+6,a+o,8+6,a+2,e+6,16+42,2+1i", - "BN": "0+8,6+d,2s+5,2+p,e,4m9,1kt+2,2b+5,5+5,17q9+v,7k,6p+8,6+1,119d+3,440+7,96s+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+1,1ekf+75,6p+2rz,1ben+1,1ekf+1,1ekf+1", - "NSM": "lc+33,7o+6,7c+18,2,2+1,2+1,2,21+a,1d+k,h,2u+6,3+5,3+1,2+3,10,v+q,2k+a,1n+8,a,p+3,2+8,2+2,2+4,18+2,3c+e,2+v,1k,2,5+7,5,4+6,b+1,u,1n,5+3,9,l+1,r,3+1,1m,5+1,5+1,3+2,4,v+1,4,c+1,1m,5+4,2+1,5,l+1,n+5,2,1n,3,2+3,9,8+1,c+1,v,1q,d,1f,4,1m+2,6+2,2+3,8+1,c+1,u,1n,g+1,l+1,t+1,1m+1,5+3,9,l+1,u,21,8+2,2,2j,3+6,d+7,2r,3+8,c+5,23+1,s,2,2,1k+d,2+4,2+1,6+a,2+z,a,2v+3,2+5,2+1,3+1,q+1,5+2,h+3,e,3+1,7,g,jk+2,qb+2,u+2,u+1,v+1,1t+1,2+6,9,3+a,a,1a+2,3c+1,z,3b+2,5+1,a,7+2,64+1,3,1n,2+6,2,2,3+7,7+9,3,1d+g,1s+3,1d,2+4,2,6,15+8,d+1,x+3,3+1,2+2,1l,2+1,4,2+2,1n+7,3+1,49+2,2+c,2+6,5,7,4+1,5j+1l,2+4,k1+w,2db+2,3y,2p+v,ff+3,30+1,n9x+3,2+9,x+1,29+1,7l,4,5,q+1,6,48+1,r+h,e,13+7,q+a,1b+2,1d,3+3,3+1,14,1w+5,3+1,3+1,d,9,1c,1g,2+2,3+1,6+1,2,17+1,9,6n,3,5,fn5,ki+f,h+f,r2,6b,46+4,1af+2,2+1,6+3,15+2,5,4m+1,fy+3,as+1,4a+a,4x,1j+e,1l+2,1e+3,3+1,1y+2,11+4,2+7,1r,d+1,1h+8,b+3,3,2o+2,3,2+1,7,4h,4+7,m+1,1m+1,4,12+6,4+4,5g+7,3+2,2,o,2d+5,2,5+1,2+1,6n+3,7+1,2+1,s+1,2e+7,3,2+1,2z,2,3+5,2,2u+2,3+3,2+4,78+8,2+1,75+1,2,5,41+3,3+1,5,x+5,3+1,15+5,3+3,9,a+5,3+2,1b+c,2+1,bb+6,2+5,2d+l,3+6,2+1,2+1,3f+5,4,2+1,2+6,2,21+1,4,2,9o+1,f0c+4,1o+6,t5,1s+3,2a,f5l+1,43t+2,i+7,3+6,v+3,45+2,1j0+1i,5+1d,9,f,n+4,2+e,11t+6,2+g,3+6,2+1,2+4,7a+6,c6+3,15t+6,32+6,gzhy+6n", - "AL": "16w,3,2,e+1b,z+2,2+2s,g+1,8+1,b+m,2+t,s+2i,c+e,4h+f,1d+1e,1bwe+dp,3+3z,x+c,2+1,35+3y,2rm+z,5+7,b+5,dt+l,c+u,17nl+27,1t+27,4x+6n,3+d", - "LRO": "6ct", - "RLO": "6cu", - "LRE": "6cq", - "RLE": "6cr", - "PDF": "6cs", - "LRI": "6ee", - "RLI": "6ef", - "FSI": "6eg", - "PDI": "6eh" -} diff --git a/vanilla/node_modules/bidi-js/src/data/bidiMirroring.data.js b/vanilla/node_modules/bidi-js/src/data/bidiMirroring.data.js deleted file mode 100644 index b9cf987..0000000 --- a/vanilla/node_modules/bidi-js/src/data/bidiMirroring.data.js +++ /dev/null @@ -1,2 +0,0 @@ -// Bidi mirrored chars data, auto generated -export default "14>1,j>2,t>2,u>2,1a>g,2v3>1,1>1,1ge>1,1wd>1,b>1,1j>1,f>1,ai>3,-2>3,+1,8>1k0,-1jq>1y7,-1y6>1hf,-1he>1h6,-1h5>1ha,-1h8>1qi,-1pu>1,6>3u,-3s>7,6>1,1>1,f>1,1>1,+2,3>1,1>1,+13,4>1,1>1,6>1eo,-1ee>1,3>1mg,-1me>1mk,-1mj>1mi,-1mg>1mi,-1md>1,1>1,+2,1>10k,-103>1,1>1,4>1,5>1,1>1,+10,3>1,1>8,-7>8,+1,-6>7,+1,a>1,1>1,u>1,u6>1,1>1,+5,26>1,1>1,2>1,2>2,8>1,7>1,4>1,1>1,+5,b8>1,1>1,+3,1>3,-2>1,2>1,1>1,+2,c>1,3>1,1>1,+2,h>1,3>1,a>1,1>1,2>1,3>1,1>1,d>1,f>1,3>1,1a>1,1>1,6>1,7>1,13>1,k>1,1>1,+19,4>1,1>1,+2,2>1,1>1,+18,m>1,a>1,1>1,lk>1,1>1,4>1,2>1,f>1,3>1,1>1,+3,db>1,1>1,+3,3>1,1>1,+2,14qm>1,1>1,+1,6>1,4j>1,j>2,t>2,u>2,2>1,+1" diff --git a/vanilla/node_modules/bidi-js/src/embeddingLevels.js b/vanilla/node_modules/bidi-js/src/embeddingLevels.js deleted file mode 100644 index 3815393..0000000 --- a/vanilla/node_modules/bidi-js/src/embeddingLevels.js +++ /dev/null @@ -1,690 +0,0 @@ -import { - BN_LIKE_TYPES, - getBidiCharType, - ISOLATE_INIT_TYPES, - NEUTRAL_ISOLATE_TYPES, - STRONG_TYPES, - TRAILING_TYPES, - TYPES -} from './charTypes.js' -import { closingToOpeningBracket, getCanonicalBracket, openingToClosingBracket } from './brackets.js' - -// Local type aliases -const { - L: TYPE_L, - R: TYPE_R, - EN: TYPE_EN, - ES: TYPE_ES, - ET: TYPE_ET, - AN: TYPE_AN, - CS: TYPE_CS, - B: TYPE_B, - S: TYPE_S, - ON: TYPE_ON, - BN: TYPE_BN, - NSM: TYPE_NSM, - AL: TYPE_AL, - LRO: TYPE_LRO, - RLO: TYPE_RLO, - LRE: TYPE_LRE, - RLE: TYPE_RLE, - PDF: TYPE_PDF, - LRI: TYPE_LRI, - RLI: TYPE_RLI, - FSI: TYPE_FSI, - PDI: TYPE_PDI -} = TYPES - -/** - * @typedef {object} GetEmbeddingLevelsResult - * @property {{start, end, level}[]} paragraphs - * @property {Uint8Array} levels - */ - -/** - * This function applies the Bidirectional Algorithm to a string, returning the resolved embedding levels - * in a single Uint8Array plus a list of objects holding each paragraph's start and end indices and resolved - * base embedding level. - * - * @param {string} string - The input string - * @param {"ltr"|"rtl"|"auto"} [baseDirection] - Use "ltr" or "rtl" to force a base paragraph direction, - * otherwise a direction will be chosen automatically from each paragraph's contents. - * @return {GetEmbeddingLevelsResult} - */ -export function getEmbeddingLevels (string, baseDirection) { - const MAX_DEPTH = 125 - - // Start by mapping all characters to their unicode type, as a bitmask integer - const charTypes = new Uint32Array(string.length) - for (let i = 0; i < string.length; i++) { - charTypes[i] = getBidiCharType(string[i]) - } - - const charTypeCounts = new Map() //will be cleared at start of each paragraph - function changeCharType(i, type) { - const oldType = charTypes[i] - charTypes[i] = type - charTypeCounts.set(oldType, charTypeCounts.get(oldType) - 1) - if (oldType & NEUTRAL_ISOLATE_TYPES) { - charTypeCounts.set(NEUTRAL_ISOLATE_TYPES, charTypeCounts.get(NEUTRAL_ISOLATE_TYPES) - 1) - } - charTypeCounts.set(type, (charTypeCounts.get(type) || 0) + 1) - if (type & NEUTRAL_ISOLATE_TYPES) { - charTypeCounts.set(NEUTRAL_ISOLATE_TYPES, (charTypeCounts.get(NEUTRAL_ISOLATE_TYPES) || 0) + 1) - } - } - - const embedLevels = new Uint8Array(string.length) - const isolationPairs = new Map() //init->pdi and pdi->init - - // === 3.3.1 The Paragraph Level === - // 3.3.1 P1: Split the text into paragraphs - const paragraphs = [] // [{start, end, level}, ...] - let paragraph = null - for (let i = 0; i < string.length; i++) { - if (!paragraph) { - paragraphs.push(paragraph = { - start: i, - end: string.length - 1, - // 3.3.1 P2-P3: Determine the paragraph level - level: baseDirection === 'rtl' ? 1 : baseDirection === 'ltr' ? 0 : determineAutoEmbedLevel(i, false) - }) - } - if (charTypes[i] & TYPE_B) { - paragraph.end = i - paragraph = null - } - } - - const FORMATTING_TYPES = TYPE_RLE | TYPE_LRE | TYPE_RLO | TYPE_LRO | ISOLATE_INIT_TYPES | TYPE_PDI | TYPE_PDF | TYPE_B - const nextEven = n => n + ((n & 1) ? 1 : 2) - const nextOdd = n => n + ((n & 1) ? 2 : 1) - - // Everything from here on will operate per paragraph. - for (let paraIdx = 0; paraIdx < paragraphs.length; paraIdx++) { - paragraph = paragraphs[paraIdx] - const statusStack = [{ - _level: paragraph.level, - _override: 0, //0=neutral, 1=L, 2=R - _isolate: 0 //bool - }] - let stackTop - let overflowIsolateCount = 0 - let overflowEmbeddingCount = 0 - let validIsolateCount = 0 - charTypeCounts.clear() - - // === 3.3.2 Explicit Levels and Directions === - for (let i = paragraph.start; i <= paragraph.end; i++) { - let charType = charTypes[i] - stackTop = statusStack[statusStack.length - 1] - - // Set initial counts - charTypeCounts.set(charType, (charTypeCounts.get(charType) || 0) + 1) - if (charType & NEUTRAL_ISOLATE_TYPES) { - charTypeCounts.set(NEUTRAL_ISOLATE_TYPES, (charTypeCounts.get(NEUTRAL_ISOLATE_TYPES) || 0) + 1) - } - - // Explicit Embeddings: 3.3.2 X2 - X3 - if (charType & FORMATTING_TYPES) { //prefilter all formatters - if (charType & (TYPE_RLE | TYPE_LRE)) { - embedLevels[i] = stackTop._level // 5.2 - const level = (charType === TYPE_RLE ? nextOdd : nextEven)(stackTop._level) - if (level <= MAX_DEPTH && !overflowIsolateCount && !overflowEmbeddingCount) { - statusStack.push({ - _level: level, - _override: 0, - _isolate: 0 - }) - } else if (!overflowIsolateCount) { - overflowEmbeddingCount++ - } - } - - // Explicit Overrides: 3.3.2 X4 - X5 - else if (charType & (TYPE_RLO | TYPE_LRO)) { - embedLevels[i] = stackTop._level // 5.2 - const level = (charType === TYPE_RLO ? nextOdd : nextEven)(stackTop._level) - if (level <= MAX_DEPTH && !overflowIsolateCount && !overflowEmbeddingCount) { - statusStack.push({ - _level: level, - _override: (charType & TYPE_RLO) ? TYPE_R : TYPE_L, - _isolate: 0 - }) - } else if (!overflowIsolateCount) { - overflowEmbeddingCount++ - } - } - - // Isolates: 3.3.2 X5a - X5c - else if (charType & ISOLATE_INIT_TYPES) { - // X5c - FSI becomes either RLI or LRI - if (charType & TYPE_FSI) { - charType = determineAutoEmbedLevel(i + 1, true) === 1 ? TYPE_RLI : TYPE_LRI - } - - embedLevels[i] = stackTop._level - if (stackTop._override) { - changeCharType(i, stackTop._override) - } - const level = (charType === TYPE_RLI ? nextOdd : nextEven)(stackTop._level) - if (level <= MAX_DEPTH && overflowIsolateCount === 0 && overflowEmbeddingCount === 0) { - validIsolateCount++ - statusStack.push({ - _level: level, - _override: 0, - _isolate: 1, - _isolInitIndex: i - }) - } else { - overflowIsolateCount++ - } - } - - // Terminating Isolates: 3.3.2 X6a - else if (charType & TYPE_PDI) { - if (overflowIsolateCount > 0) { - overflowIsolateCount-- - } else if (validIsolateCount > 0) { - overflowEmbeddingCount = 0 - while (!statusStack[statusStack.length - 1]._isolate) { - statusStack.pop() - } - // Add to isolation pairs bidirectional mapping: - const isolInitIndex = statusStack[statusStack.length - 1]._isolInitIndex - if (isolInitIndex != null) { - isolationPairs.set(isolInitIndex, i) - isolationPairs.set(i, isolInitIndex) - } - statusStack.pop() - validIsolateCount-- - } - stackTop = statusStack[statusStack.length - 1] - embedLevels[i] = stackTop._level - if (stackTop._override) { - changeCharType(i, stackTop._override) - } - } - - - // Terminating Embeddings and Overrides: 3.3.2 X7 - else if (charType & TYPE_PDF) { - if (overflowIsolateCount === 0) { - if (overflowEmbeddingCount > 0) { - overflowEmbeddingCount-- - } else if (!stackTop._isolate && statusStack.length > 1) { - statusStack.pop() - stackTop = statusStack[statusStack.length - 1] - } - } - embedLevels[i] = stackTop._level // 5.2 - } - - // End of Paragraph: 3.3.2 X8 - else if (charType & TYPE_B) { - embedLevels[i] = paragraph.level - } - } - - // Non-formatting characters: 3.3.2 X6 - else { - embedLevels[i] = stackTop._level - // NOTE: This exclusion of BN seems to go against what section 5.2 says, but is required for test passage - if (stackTop._override && charType !== TYPE_BN) { - changeCharType(i, stackTop._override) - } - } - } - - // === 3.3.3 Preparations for Implicit Processing === - - // Remove all RLE, LRE, RLO, LRO, PDF, and BN characters: 3.3.3 X9 - // Note: Due to section 5.2, we won't remove them, but we'll use the BN_LIKE_TYPES bitset to - // easily ignore them all from here on out. - - // 3.3.3 X10 - // Compute the set of isolating run sequences as specified by BD13 - const levelRuns = [] - let currentRun = null - let isolationLevel = 0 - for (let i = paragraph.start; i <= paragraph.end; i++) { - const charType = charTypes[i] - if (!(charType & BN_LIKE_TYPES)) { - const lvl = embedLevels[i] - const isIsolInit = charType & ISOLATE_INIT_TYPES - const isPDI = charType === TYPE_PDI - if (isIsolInit) { - isolationLevel++ - } - if (currentRun && lvl === currentRun._level) { - currentRun._end = i - currentRun._endsWithIsolInit = isIsolInit - } else { - levelRuns.push(currentRun = { - _start: i, - _end: i, - _level: lvl, - _startsWithPDI: isPDI, - _endsWithIsolInit: isIsolInit - }) - } - if (isPDI) { - isolationLevel-- - } - } - } - const isolatingRunSeqs = [] // [{seqIndices: [], sosType: L|R, eosType: L|R}] - for (let runIdx = 0; runIdx < levelRuns.length; runIdx++) { - const run = levelRuns[runIdx] - if (!run._startsWithPDI || (run._startsWithPDI && !isolationPairs.has(run._start))) { - const seqRuns = [currentRun = run] - for (let pdiIndex; currentRun && currentRun._endsWithIsolInit && (pdiIndex = isolationPairs.get(currentRun._end)) != null;) { - for (let i = runIdx + 1; i < levelRuns.length; i++) { - if (levelRuns[i]._start === pdiIndex) { - seqRuns.push(currentRun = levelRuns[i]) - break - } - } - } - // build flat list of indices across all runs: - const seqIndices = [] - for (let i = 0; i < seqRuns.length; i++) { - const run = seqRuns[i] - for (let j = run._start; j <= run._end; j++) { - seqIndices.push(j) - } - } - // determine the sos/eos types: - let firstLevel = embedLevels[seqIndices[0]] - let prevLevel = paragraph.level - for (let i = seqIndices[0] - 1; i >= 0; i--) { - if (!(charTypes[i] & BN_LIKE_TYPES)) { //5.2 - prevLevel = embedLevels[i] - break - } - } - const lastIndex = seqIndices[seqIndices.length - 1] - let lastLevel = embedLevels[lastIndex] - let nextLevel = paragraph.level - if (!(charTypes[lastIndex] & ISOLATE_INIT_TYPES)) { - for (let i = lastIndex + 1; i <= paragraph.end; i++) { - if (!(charTypes[i] & BN_LIKE_TYPES)) { //5.2 - nextLevel = embedLevels[i] - break - } - } - } - isolatingRunSeqs.push({ - _seqIndices: seqIndices, - _sosType: Math.max(prevLevel, firstLevel) % 2 ? TYPE_R : TYPE_L, - _eosType: Math.max(nextLevel, lastLevel) % 2 ? TYPE_R : TYPE_L - }) - } - } - - // The next steps are done per isolating run sequence - for (let seqIdx = 0; seqIdx < isolatingRunSeqs.length; seqIdx++) { - const { _seqIndices: seqIndices, _sosType: sosType, _eosType: eosType } = isolatingRunSeqs[seqIdx] - /** - * All the level runs in an isolating run sequence have the same embedding level. - * - * DO NOT change any `embedLevels[i]` within the current scope. - */ - const embedDirection = ((embedLevels[seqIndices[0]]) & 1) ? TYPE_R : TYPE_L; - - // === 3.3.4 Resolving Weak Types === - - // W1 + 5.2. Search backward from each NSM to the first character in the isolating run sequence whose - // bidirectional type is not BN, and set the NSM to ON if it is an isolate initiator or PDI, and to its - // type otherwise. If the NSM is the first non-BN character, change the NSM to the type of sos. - if (charTypeCounts.get(TYPE_NSM)) { - for (let si = 0; si < seqIndices.length; si++) { - const i = seqIndices[si] - if (charTypes[i] & TYPE_NSM) { - let prevType = sosType - for (let sj = si - 1; sj >= 0; sj--) { - if (!(charTypes[seqIndices[sj]] & BN_LIKE_TYPES)) { //5.2 scan back to first non-BN - prevType = charTypes[seqIndices[sj]] - break - } - } - changeCharType(i, (prevType & (ISOLATE_INIT_TYPES | TYPE_PDI)) ? TYPE_ON : prevType) - } - } - } - - // W2. Search backward from each instance of a European number until the first strong type (R, L, AL, or sos) - // is found. If an AL is found, change the type of the European number to Arabic number. - if (charTypeCounts.get(TYPE_EN)) { - for (let si = 0; si < seqIndices.length; si++) { - const i = seqIndices[si] - if (charTypes[i] & TYPE_EN) { - for (let sj = si - 1; sj >= -1; sj--) { - const prevCharType = sj === -1 ? sosType : charTypes[seqIndices[sj]] - if (prevCharType & STRONG_TYPES) { - if (prevCharType === TYPE_AL) { - changeCharType(i, TYPE_AN) - } - break - } - } - } - } - } - - // W3. Change all ALs to R - if (charTypeCounts.get(TYPE_AL)) { - for (let si = 0; si < seqIndices.length; si++) { - const i = seqIndices[si] - if (charTypes[i] & TYPE_AL) { - changeCharType(i, TYPE_R) - } - } - } - - // W4. A single European separator between two European numbers changes to a European number. A single common - // separator between two numbers of the same type changes to that type. - if (charTypeCounts.get(TYPE_ES) || charTypeCounts.get(TYPE_CS)) { - for (let si = 1; si < seqIndices.length - 1; si++) { - const i = seqIndices[si] - if (charTypes[i] & (TYPE_ES | TYPE_CS)) { - let prevType = 0, nextType = 0 - for (let sj = si - 1; sj >= 0; sj--) { - prevType = charTypes[seqIndices[sj]] - if (!(prevType & BN_LIKE_TYPES)) { //5.2 - break - } - } - for (let sj = si + 1; sj < seqIndices.length; sj++) { - nextType = charTypes[seqIndices[sj]] - if (!(nextType & BN_LIKE_TYPES)) { //5.2 - break - } - } - if (prevType === nextType && (charTypes[i] === TYPE_ES ? prevType === TYPE_EN : (prevType & (TYPE_EN | TYPE_AN)))) { - changeCharType(i, prevType) - } - } - } - } - - // W5. A sequence of European terminators adjacent to European numbers changes to all European numbers. - if (charTypeCounts.get(TYPE_EN)) { - for (let si = 0; si < seqIndices.length; si++) { - const i = seqIndices[si] - if (charTypes[i] & TYPE_EN) { - for (let sj = si - 1; sj >= 0 && (charTypes[seqIndices[sj]] & (TYPE_ET | BN_LIKE_TYPES)); sj--) { - changeCharType(seqIndices[sj], TYPE_EN) - } - for (si++; si < seqIndices.length && (charTypes[seqIndices[si]] & (TYPE_ET | BN_LIKE_TYPES | TYPE_EN)); si++) { - if (charTypes[seqIndices[si]] !== TYPE_EN) { - changeCharType(seqIndices[si], TYPE_EN) - } - } - } - } - } - - // W6. Otherwise, separators and terminators change to Other Neutral. - if (charTypeCounts.get(TYPE_ET) || charTypeCounts.get(TYPE_ES) || charTypeCounts.get(TYPE_CS)) { - for (let si = 0; si < seqIndices.length; si++) { - const i = seqIndices[si] - if (charTypes[i] & (TYPE_ET | TYPE_ES | TYPE_CS)) { - changeCharType(i, TYPE_ON) - // 5.2 transform adjacent BNs too: - for (let sj = si - 1; sj >= 0 && (charTypes[seqIndices[sj]] & BN_LIKE_TYPES); sj--) { - changeCharType(seqIndices[sj], TYPE_ON) - } - for (let sj = si + 1; sj < seqIndices.length && (charTypes[seqIndices[sj]] & BN_LIKE_TYPES); sj++) { - changeCharType(seqIndices[sj], TYPE_ON) - } - } - } - } - - // W7. Search backward from each instance of a European number until the first strong type (R, L, or sos) - // is found. If an L is found, then change the type of the European number to L. - // NOTE: implemented in single forward pass for efficiency - if (charTypeCounts.get(TYPE_EN)) { - for (let si = 0, prevStrongType = sosType; si < seqIndices.length; si++) { - const i = seqIndices[si] - const type = charTypes[i] - if (type & TYPE_EN) { - if (prevStrongType === TYPE_L) { - changeCharType(i, TYPE_L) - } - } else if (type & STRONG_TYPES) { - prevStrongType = type - } - } - } - - // === 3.3.5 Resolving Neutral and Isolate Formatting Types === - - if (charTypeCounts.get(NEUTRAL_ISOLATE_TYPES)) { - // N0. Process bracket pairs in an isolating run sequence sequentially in the logical order of the text - // positions of the opening paired brackets using the logic given below. Within this scope, bidirectional - // types EN and AN are treated as R. - const R_TYPES_FOR_N_STEPS = (TYPE_R | TYPE_EN | TYPE_AN) - const STRONG_TYPES_FOR_N_STEPS = R_TYPES_FOR_N_STEPS | TYPE_L - - // * Identify the bracket pairs in the current isolating run sequence according to BD16. - const bracketPairs = [] - { - const openerStack = [] - for (let si = 0; si < seqIndices.length; si++) { - // NOTE: for any potential bracket character we also test that it still carries a NI - // type, as that may have been changed earlier. This doesn't seem to be explicitly - // called out in the spec, but is required for passage of certain tests. - if (charTypes[seqIndices[si]] & NEUTRAL_ISOLATE_TYPES) { - const char = string[seqIndices[si]] - let oppositeBracket - // Opening bracket - if (openingToClosingBracket(char) !== null) { - if (openerStack.length < 63) { - openerStack.push({ char, seqIndex: si }) - } else { - break - } - } - // Closing bracket - else if ((oppositeBracket = closingToOpeningBracket(char)) !== null) { - for (let stackIdx = openerStack.length - 1; stackIdx >= 0; stackIdx--) { - const stackChar = openerStack[stackIdx].char - if (stackChar === oppositeBracket || - stackChar === closingToOpeningBracket(getCanonicalBracket(char)) || - openingToClosingBracket(getCanonicalBracket(stackChar)) === char - ) { - bracketPairs.push([openerStack[stackIdx].seqIndex, si]) - openerStack.length = stackIdx //pop the matching bracket and all following - break - } - } - } - } - } - bracketPairs.sort((a, b) => a[0] - b[0]) - } - // * For each bracket-pair element in the list of pairs of text positions - for (let pairIdx = 0; pairIdx < bracketPairs.length; pairIdx++) { - const [openSeqIdx, closeSeqIdx] = bracketPairs[pairIdx] - // a. Inspect the bidirectional types of the characters enclosed within the bracket pair. - // b. If any strong type (either L or R) matching the embedding direction is found, set the type for both - // brackets in the pair to match the embedding direction. - let foundStrongType = false - let useStrongType = 0 - for (let si = openSeqIdx + 1; si < closeSeqIdx; si++) { - const i = seqIndices[si] - if (charTypes[i] & STRONG_TYPES_FOR_N_STEPS) { - foundStrongType = true - const lr = (charTypes[i] & R_TYPES_FOR_N_STEPS) ? TYPE_R : TYPE_L - if (lr === embedDirection) { - useStrongType = lr - break - } - } - } - // c. Otherwise, if there is a strong type it must be opposite the embedding direction. Therefore, test - // for an established context with a preceding strong type by checking backwards before the opening paired - // bracket until the first strong type (L, R, or sos) is found. - // 1. If the preceding strong type is also opposite the embedding direction, context is established, so - // set the type for both brackets in the pair to that direction. - // 2. Otherwise set the type for both brackets in the pair to the embedding direction. - if (foundStrongType && !useStrongType) { - useStrongType = sosType - for (let si = openSeqIdx - 1; si >= 0; si--) { - const i = seqIndices[si] - if (charTypes[i] & STRONG_TYPES_FOR_N_STEPS) { - const lr = (charTypes[i] & R_TYPES_FOR_N_STEPS) ? TYPE_R : TYPE_L - if (lr !== embedDirection) { - useStrongType = lr - } else { - useStrongType = embedDirection - } - break - } - } - } - if (useStrongType) { - charTypes[seqIndices[openSeqIdx]] = charTypes[seqIndices[closeSeqIdx]] = useStrongType - // * Any number of characters that had original bidirectional character type NSM prior to the application - // of W1 that immediately follow a paired bracket which changed to L or R under N0 should change to match - // the type of their preceding bracket. - if (useStrongType !== embedDirection) { - for (let si = openSeqIdx + 1; si < seqIndices.length; si++) { - if (!(charTypes[seqIndices[si]] & BN_LIKE_TYPES)) { - if (getBidiCharType(string[seqIndices[si]]) & TYPE_NSM) { - charTypes[seqIndices[si]] = useStrongType - } - break - } - } - } - if (useStrongType !== embedDirection) { - for (let si = closeSeqIdx + 1; si < seqIndices.length; si++) { - if (!(charTypes[seqIndices[si]] & BN_LIKE_TYPES)) { - if (getBidiCharType(string[seqIndices[si]]) & TYPE_NSM) { - charTypes[seqIndices[si]] = useStrongType - } - break - } - } - } - } - } - - // N1. A sequence of NIs takes the direction of the surrounding strong text if the text on both sides has the - // same direction. - // N2. Any remaining NIs take the embedding direction. - for (let si = 0; si < seqIndices.length; si++) { - if (charTypes[seqIndices[si]] & NEUTRAL_ISOLATE_TYPES) { - let niRunStart = si, niRunEnd = si - let prevType = sosType //si === 0 ? sosType : (charTypes[seqIndices[si - 1]] & R_TYPES_FOR_N_STEPS) ? TYPE_R : TYPE_L - for (let si2 = si - 1; si2 >= 0; si2--) { - if (charTypes[seqIndices[si2]] & BN_LIKE_TYPES) { - niRunStart = si2 //5.2 treat BNs adjacent to NIs as NIs - } else { - prevType = (charTypes[seqIndices[si2]] & R_TYPES_FOR_N_STEPS) ? TYPE_R : TYPE_L - break - } - } - let nextType = eosType - for (let si2 = si + 1; si2 < seqIndices.length; si2++) { - if (charTypes[seqIndices[si2]] & (NEUTRAL_ISOLATE_TYPES | BN_LIKE_TYPES)) { - niRunEnd = si2 - } else { - nextType = (charTypes[seqIndices[si2]] & R_TYPES_FOR_N_STEPS) ? TYPE_R : TYPE_L - break - } - } - for (let sj = niRunStart; sj <= niRunEnd; sj++) { - charTypes[seqIndices[sj]] = prevType === nextType ? prevType : embedDirection - } - si = niRunEnd - } - } - } - } - - // === 3.3.6 Resolving Implicit Levels === - - for (let i = paragraph.start; i <= paragraph.end; i++) { - const level = embedLevels[i] - const type = charTypes[i] - // I2. For all characters with an odd (right-to-left) embedding level, those of type L, EN or AN go up one level. - if (level & 1) { - if (type & (TYPE_L | TYPE_EN | TYPE_AN)) { - embedLevels[i]++ - } - } - // I1. For all characters with an even (left-to-right) embedding level, those of type R go up one level - // and those of type AN or EN go up two levels. - else { - if (type & TYPE_R) { - embedLevels[i]++ - } else if (type & (TYPE_AN | TYPE_EN)) { - embedLevels[i] += 2 - } - } - - // 5.2: Resolve any LRE, RLE, LRO, RLO, PDF, or BN to the level of the preceding character if there is one, - // and otherwise to the base level. - if (type & BN_LIKE_TYPES) { - embedLevels[i] = i === 0 ? paragraph.level : embedLevels[i - 1] - } - - // 3.4 L1.1-4: Reset the embedding level of segment/paragraph separators, and any sequence of whitespace or - // isolate formatting characters preceding them or the end of the paragraph, to the paragraph level. - // NOTE: this will also need to be applied to each individual line ending after line wrapping occurs. - if (i === paragraph.end || getBidiCharType(string[i]) & (TYPE_S | TYPE_B)) { - for (let j = i; j >= 0 && (getBidiCharType(string[j]) & TRAILING_TYPES); j--) { - embedLevels[j] = paragraph.level - } - } - } - } - - // DONE! The resolved levels can then be used, after line wrapping, to flip runs of characters - // according to section 3.4 Reordering Resolved Levels - return { - levels: embedLevels, - paragraphs - } - - function determineAutoEmbedLevel (start, isFSI) { - // 3.3.1 P2 - P3 - for (let i = start; i < string.length; i++) { - const charType = charTypes[i] - if (charType & (TYPE_R | TYPE_AL)) { - return 1 - } - if ((charType & (TYPE_B | TYPE_L)) || (isFSI && charType === TYPE_PDI)) { - return 0 - } - if (charType & ISOLATE_INIT_TYPES) { - const pdi = indexOfMatchingPDI(i) - i = pdi === -1 ? string.length : pdi - } - } - return 0 - } - - function indexOfMatchingPDI (isolateStart) { - // 3.1.2 BD9 - let isolationLevel = 1 - for (let i = isolateStart + 1; i < string.length; i++) { - const charType = charTypes[i] - if (charType & TYPE_B) { - break - } - if (charType & TYPE_PDI) { - if (--isolationLevel === 0) { - return i - } - } else if (charType & ISOLATE_INIT_TYPES) { - isolationLevel++ - } - } - return -1 - } -} diff --git a/vanilla/node_modules/bidi-js/src/index.js b/vanilla/node_modules/bidi-js/src/index.js deleted file mode 100644 index d146bb0..0000000 --- a/vanilla/node_modules/bidi-js/src/index.js +++ /dev/null @@ -1,5 +0,0 @@ -export { getEmbeddingLevels } from './embeddingLevels.js' -export { getReorderSegments, getReorderedIndices, getReorderedString } from './reordering.js' -export { getBidiCharType, getBidiCharTypeName } from './charTypes.js' -export { getMirroredCharacter, getMirroredCharactersMap } from './mirroring.js' -export { closingToOpeningBracket, openingToClosingBracket, getCanonicalBracket } from './brackets.js' diff --git a/vanilla/node_modules/bidi-js/src/mirroring.js b/vanilla/node_modules/bidi-js/src/mirroring.js deleted file mode 100644 index c214b04..0000000 --- a/vanilla/node_modules/bidi-js/src/mirroring.js +++ /dev/null @@ -1,48 +0,0 @@ -import data from './data/bidiMirroring.data.js' -import { parseCharacterMap } from './util/parseCharacterMap.js' - -let mirrorMap - -function parse () { - if (!mirrorMap) { - //const start = performance.now() - const { map, reverseMap } = parseCharacterMap(data, true) - // Combine both maps into one - reverseMap.forEach((value, key) => { - map.set(key, value) - }) - mirrorMap = map - //console.log(`mirrored chars parsed in ${performance.now() - start}ms`) - } -} - -export function getMirroredCharacter (char) { - parse() - return mirrorMap.get(char) || null -} - -/** - * Given a string and its resolved embedding levels, build a map of indices to replacement chars - * for any characters in right-to-left segments that have defined mirrored characters. - * @param string - * @param embeddingLevels - * @param [start] - * @param [end] - * @return {Map<number, string>} - */ -export function getMirroredCharactersMap(string, embeddingLevels, start, end) { - let strLen = string.length - start = Math.max(0, start == null ? 0 : +start) - end = Math.min(strLen - 1, end == null ? strLen - 1 : +end) - - const map = new Map() - for (let i = start; i <= end; i++) { - if (embeddingLevels[i] & 1) { //only odd (rtl) levels - const mirror = getMirroredCharacter(string[i]) - if (mirror !== null) { - map.set(i, mirror) - } - } - } - return map -} diff --git a/vanilla/node_modules/bidi-js/src/reordering.js b/vanilla/node_modules/bidi-js/src/reordering.js deleted file mode 100644 index 94a42ed..0000000 --- a/vanilla/node_modules/bidi-js/src/reordering.js +++ /dev/null @@ -1,99 +0,0 @@ -import { getBidiCharType, TRAILING_TYPES } from './charTypes.js' -import { getMirroredCharacter } from './mirroring.js' - -/** - * Given a start and end denoting a single line within a string, and a set of precalculated - * bidi embedding levels, produce a list of segments whose ordering should be flipped, in sequence. - * @param {string} string - the full input string - * @param {GetEmbeddingLevelsResult} embeddingLevelsResult - the result object from getEmbeddingLevels - * @param {number} [start] - first character in a subset of the full string - * @param {number} [end] - last character in a subset of the full string - * @return {number[][]} - the list of start/end segments that should be flipped, in order. - */ -export function getReorderSegments(string, embeddingLevelsResult, start, end) { - let strLen = string.length - start = Math.max(0, start == null ? 0 : +start) - end = Math.min(strLen - 1, end == null ? strLen - 1 : +end) - - const segments = [] - embeddingLevelsResult.paragraphs.forEach(paragraph => { - const lineStart = Math.max(start, paragraph.start) - const lineEnd = Math.min(end, paragraph.end) - if (lineStart < lineEnd) { - // Local slice for mutation - const lineLevels = embeddingLevelsResult.levels.slice(lineStart, lineEnd + 1) - - // 3.4 L1.4: Reset any sequence of whitespace characters and/or isolate formatting characters at the - // end of the line to the paragraph level. - for (let i = lineEnd; i >= lineStart && (getBidiCharType(string[i]) & TRAILING_TYPES); i--) { - lineLevels[i] = paragraph.level - } - - // L2. From the highest level found in the text to the lowest odd level on each line, including intermediate levels - // not actually present in the text, reverse any contiguous sequence of characters that are at that level or higher. - let maxLevel = paragraph.level - let minOddLevel = Infinity - for (let i = 0; i < lineLevels.length; i++) { - const level = lineLevels[i] - if (level > maxLevel) maxLevel = level - if (level < minOddLevel) minOddLevel = level | 1 - } - for (let lvl = maxLevel; lvl >= minOddLevel; lvl--) { - for (let i = 0; i < lineLevels.length; i++) { - if (lineLevels[i] >= lvl) { - const segStart = i - while (i + 1 < lineLevels.length && lineLevels[i + 1] >= lvl) { - i++ - } - if (i > segStart) { - segments.push([segStart + lineStart, i + lineStart]) - } - } - } - } - } - }) - return segments -} - -/** - * @param {string} string - * @param {GetEmbeddingLevelsResult} embedLevelsResult - * @param {number} [start] - * @param {number} [end] - * @return {string} the new string with bidi segments reordered - */ -export function getReorderedString(string, embedLevelsResult, start, end) { - const indices = getReorderedIndices(string, embedLevelsResult, start, end) - const chars = [...string] - indices.forEach((charIndex, i) => { - chars[i] = ( - (embedLevelsResult.levels[charIndex] & 1) ? getMirroredCharacter(string[charIndex]) : null - ) || string[charIndex] - }) - return chars.join('') -} - -/** - * @param {string} string - * @param {GetEmbeddingLevelsResult} embedLevelsResult - * @param {number} [start] - * @param {number} [end] - * @return {number[]} an array with character indices in their new bidi order - */ -export function getReorderedIndices(string, embedLevelsResult, start, end) { - const segments = getReorderSegments(string, embedLevelsResult, start, end) - // Fill an array with indices - const indices = [] - for (let i = 0; i < string.length; i++) { - indices[i] = i - } - // Reverse each segment in order - segments.forEach(([start, end]) => { - const slice = indices.slice(start, end + 1) - for (let i = slice.length; i--;) { - indices[end - i] = slice[i] - } - }) - return indices -} diff --git a/vanilla/node_modules/bidi-js/src/util/parseCharacterMap.js b/vanilla/node_modules/bidi-js/src/util/parseCharacterMap.js deleted file mode 100644 index 86a96b8..0000000 --- a/vanilla/node_modules/bidi-js/src/util/parseCharacterMap.js +++ /dev/null @@ -1,30 +0,0 @@ -/** - * Parses an string that holds encoded codepoint mappings, e.g. for bracket pairs or - * mirroring characters, as encoded by scripts/generateBidiData.js. Returns an object - * holding the `map`, and optionally a `reverseMap` if `includeReverse:true`. - * @param {string} encodedString - * @param {boolean} includeReverse - true if you want reverseMap in the output - * @return {{map: Map<number, number>, reverseMap?: Map<number, number>}} - */ -export function parseCharacterMap (encodedString, includeReverse) { - const radix = 36 - let lastCode = 0 - const map = new Map() - const reverseMap = includeReverse && new Map() - let prevPair - encodedString.split(',').forEach(function visit(entry) { - if (entry.indexOf('+') !== -1) { - for (let i = +entry; i--;) { - visit(prevPair) - } - } else { - prevPair = entry - let [a, b] = entry.split('>') - a = String.fromCodePoint(lastCode += parseInt(a, radix)) - b = String.fromCodePoint(lastCode += parseInt(b, radix)) - map.set(a, b) - includeReverse && reverseMap.set(b, a) - } - }) - return { map, reverseMap } -} |
