Brunobkr/llama.cpp_AlgMor24_github

1'use strict'2 3let { existsSync, readFileSync } = require('fs')4let { dirname, isAbsolute, join, relative, sep } = require('path')5let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js')6 7function fromBase64(str) {8  if (Buffer) {9    return Buffer.from(str, 'base64').toString()10  } else {11    /* c8 ignore next 2 */12    return window.atob(str)13  }14}15 16class PreviousMap {17  constructor(css, opts) {18    if (opts.map === false) return19    if (opts.unsafeMap) this.unsafeMap = true20    this.loadAnnotation(css)21    this.inline = this.startWith(this.annotation, 'data:')22 23    let prev = opts.map ? opts.map.prev : undefined24    let text = this.loadMap(opts.from, prev)25    if (!this.mapFile && opts.from) {26      this.mapFile = opts.from27    }28    if (this.mapFile) this.root = dirname(this.mapFile)29    if (text) this.text = text30  }31 32  consumer() {33    if (!this.consumerCache) {34      this.consumerCache = new SourceMapConsumer(this.json || this.text)35    }36    return this.consumerCache37  }38 39  decodeInline(text) {40    let baseCharsetUri = /^data:application\/json;charset=utf-?8;base64,/41    let baseUri = /^data:application\/json;base64,/42    let charsetUri = /^data:application\/json;charset=utf-?8,/43    let uri = /^data:application\/json,/44 45    let uriMatch = text.match(charsetUri) || text.match(uri)46    if (uriMatch) {47      return decodeURIComponent(text.substr(uriMatch[0].length))48    }49 50    let baseUriMatch = text.match(baseCharsetUri) || text.match(baseUri)51    if (baseUriMatch) {52      return fromBase64(text.substr(baseUriMatch[0].length))53    }54 55    let encoding = text.slice('data:application/json;'.length)56    encoding = encoding.slice(0, encoding.indexOf(','))57    throw new Error('Unsupported source map encoding ' + encoding)58  }59 60  getAnnotationURL(sourceMapString) {61    return sourceMapString.replace(/^\/\*\s*# sourceMappingURL=/, '').trim()62  }63 64  isMap(map) {65    if (typeof map !== 'object') return false66    return (67      typeof map.mappings === 'string' ||68      typeof map._mappings === 'string' ||69      Array.isArray(map.sections)70    )71  }72 73  loadAnnotation(css) {74    let comments = css.match(/\/\*\s*# sourceMappingURL=/g)75    if (!comments) return76 77    // sourceMappingURLs from comments, strings, etc.78    let start = css.lastIndexOf(comments.pop())79    let end = css.indexOf('*/', start)80 81    if (start > -1 && end > -1) {82      // Locate the last sourceMappingURL to avoid pickin83      this.annotation = this.getAnnotationURL(css.substring(start, end))84    }85  }86 87  loadFile(path, cssFile, trusted) {88    if (!trusted && !this.unsafeMap) {89      if (!/\.map$/i.test(path)) return undefined90      if (!cssFile) return undefined91 92      let rel = relative(dirname(cssFile), path)93      if (rel === '..' || rel.startsWith('..' + sep) || isAbsolute(rel)) {94        return undefined95      }96    }97    this.root = dirname(path)98    if (existsSync(path)) {99      this.mapFile = path100      return readFileSync(path, 'utf-8').toString().trim()101    }102  }103 104  loadMap(file, prev) {105    if (prev === false) return false106 107    if (prev) {108      if (typeof prev === 'string') {109        return prev110      } else if (typeof prev === 'function') {111        let prevPath = prev(file)112        if (prevPath) {113          let map = this.loadFile(prevPath, file, true)114          if (!map) {115            throw new Error(116              'Unable to load previous source map: ' + prevPath.toString()117            )118          }119          return map120        }121      } else if (prev instanceof SourceMapConsumer) {122        return SourceMapGenerator.fromSourceMap(prev).toString()123      } else if (prev instanceof SourceMapGenerator) {124        return prev.toString()125      } else if (this.isMap(prev)) {126        return JSON.stringify(prev)127      } else {128        throw new Error(129          'Unsupported previous source map format: ' + prev.toString()130        )131      }132    } else if (this.inline) {133      return this.decodeInline(this.annotation)134    } else if (this.annotation) {135      let map = this.annotation136      if (file) map = join(dirname(file), map)137      let unknown = this.loadFile(map, file, false)138      if (unknown) {139        try {140          /* c8 ignore next 4 */141          this.json = JSON.parse(unknown.replace(/^\)]}'[^\n]*\n/, ''))142        } catch {143          return undefined144        }145      }146      return unknown147    }148  }149 150  startWith(string, start) {151    if (!string) return false152    return string.substr(0, start.length) === start153  }154 155  withContent() {156    return !!(157      this.consumer().sourcesContent &&158      this.consumer().sourcesContent.length > 0159    )160  }161}162 163module.exports = PreviousMap164PreviousMap.default = PreviousMap165