Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
at-rule.d.ts	3.28 KB	-rw-r--r--	2026-06-24 16:16
at-rule.js	471 B	-rw-r--r--	2026-06-24 16:16
comment.d.ts	1.64 KB	-rw-r--r--	2026-06-24 16:16
comment.js	203 B	-rw-r--r--	2026-06-24 16:16
container.d.ts	13.7 KB	-rw-r--r--	2026-06-24 16:16
container.js	10.4 KB	-rw-r--r--	2026-06-24 16:16
css-syntax-error.d.ts	6.3 KB	-rw-r--r--	2026-06-24 16:16
css-syntax-error.js	3.32 KB	-rw-r--r--	2026-06-24 16:16
declaration.d.ts	3.74 KB	-rw-r--r--	2026-06-24 16:16
declaration.js	495 B	-rw-r--r--	2026-06-24 16:16
document.d.ts	1.84 KB	-rw-r--r--	2026-06-24 16:16
document.js	654 B	-rw-r--r--	2026-06-24 16:16
fromJSON.d.ts	160 B	-rw-r--r--	2026-06-24 16:16
fromJSON.js	1.47 KB	-rw-r--r--	2026-06-24 16:16
input.d.ts	5.01 KB	-rw-r--r--	2026-06-24 16:16
input.js	6.64 KB	-rw-r--r--	2026-06-24 16:16
lazy-result.d.ts	4.82 KB	-rw-r--r--	2026-06-24 16:16
lazy-result.js	13.54 KB	-rw-r--r--	2026-06-24 16:16
list.d.ts	1.39 KB	-rw-r--r--	2026-06-24 16:16
list.js	1.2 KB	-rw-r--r--	2026-06-24 16:16
map-generator.js	9.8 KB	-rw-r--r--	2026-06-24 16:16
no-work-result.d.ts	1.47 KB	-rw-r--r--	2026-06-24 16:16
no-work-result.js	2.56 KB	-rw-r--r--	2026-06-24 16:16
node.d.ts	14.35 KB	-rw-r--r--	2026-06-24 16:16
node.js	10.47 KB	-rw-r--r--	2026-06-24 16:16
parse.d.ts	133 B	-rw-r--r--	2026-06-24 16:16
parse.js	1.12 KB	-rw-r--r--	2026-06-24 16:16
parser.js	14.81 KB	-rw-r--r--	2026-06-24 16:16
postcss.d.mts	1.02 KB	-rw-r--r--	2026-06-24 16:16
postcss.d.ts	11.27 KB	-rw-r--r--	2026-06-24 16:16
postcss.js	2.83 KB	-rw-r--r--	2026-06-24 16:16
postcss.mjs	980 B	-rw-r--r--	2026-06-24 16:16
previous-map.d.ts	1.72 KB	-rw-r--r--	2026-06-24 16:16
previous-map.js	4.4 KB	-rw-r--r--	2026-06-24 16:16
processor.d.ts	3.27 KB	-rw-r--r--	2026-06-24 16:16
processor.js	1.7 KB	-rw-r--r--	2026-06-24 16:16
result.d.ts	4.24 KB	-rw-r--r--	2026-06-24 16:16
result.js	738 B	-rw-r--r--	2026-06-24 16:16
root.d.ts	2.2 KB	-rw-r--r--	2026-06-24 16:16
root.js	1.21 KB	-rw-r--r--	2026-06-24 16:16
rule.d.ts	2.81 KB	-rw-r--r--	2026-06-24 16:16
rule.js	569 B	-rw-r--r--	2026-06-24 16:16
stringifier.d.ts	1.33 KB	-rw-r--r--	2026-06-24 16:16
stringifier.js	8.81 KB	-rw-r--r--	2026-06-24 16:16
stringify.d.ts	163 B	-rw-r--r--	2026-06-24 16:16
stringify.js	213 B	-rw-r--r--	2026-06-24 16:16
symbols.js	91 B	-rw-r--r--	2026-06-24 16:16
terminal-highlight.js	1.37 KB	-rw-r--r--	2026-06-24 16:16
tokenize.js	6.54 KB	-rw-r--r--	2026-06-24 16:16
warn-once.js	256 B	-rw-r--r--	2026-06-24 16:16
warning.d.ts	2.86 KB	-rw-r--r--	2026-06-24 16:16
warning.js	739 B	-rw-r--r--	2026-06-24 16:16

Rename

'use strict'

let { existsSync, readFileSync } = require('fs')
let { dirname, join } = require('path')
let { SourceMapConsumer, SourceMapGenerator } = require('source-map-js')

function fromBase64(str) {
  if (Buffer) {
    return Buffer.from(str, 'base64').toString()
  } else {
    /* c8 ignore next 2 */
    return window.atob(str)
  }
}

class PreviousMap {
  constructor(css, opts) {
    if (opts.map === false) return
    if (opts.unsafeMap) this.unsafeMap = true
    this.loadAnnotation(css)
    this.inline = this.startWith(this.annotation, 'data:')

let prev = opts.map ? opts.map.prev : undefined
    let text = this.loadMap(opts.from, prev)
    if (!this.mapFile && opts.from) {
      this.mapFile = opts.from
    }
    if (this.mapFile) this.root = dirname(this.mapFile)
    if (text) this.text = text
  }

consumer() {
    if (!this.consumerCache) {
      this.consumerCache = new SourceMapConsumer(this.json || this.text)
    }
    return this.consumerCache
  }

decodeInline(text) {
    let baseCharsetUri = /^data:application\/json;charset=utf-?8;base64,/
    let baseUri = /^data:application\/json;base64,/
    let charsetUri = /^data:application\/json;charset=utf-?8,/
    let uri = /^data:application\/json,/

let uriMatch = text.match(charsetUri) || text.match(uri)
    if (uriMatch) {
      return decodeURIComponent(text.substr(uriMatch[0].length))
    }

let baseUriMatch = text.match(baseCharsetUri) || text.match(baseUri)
    if (baseUriMatch) {
      return fromBase64(text.substr(baseUriMatch[0].length))
    }

let encoding = text.slice('data:application/json;'.length)
    encoding = encoding.slice(0, encoding.indexOf(','))
    throw new Error('Unsupported source map encoding ' + encoding)
  }

getAnnotationURL(sourceMapString) {
    return sourceMapString.replace(/^\/\*\s*# sourceMappingURL=/, '').trim()
  }

isMap(map) {
    if (typeof map !== 'object') return false
    return (
      typeof map.mappings === 'string' ||
      typeof map._mappings === 'string' ||
      Array.isArray(map.sections)
    )
  }

loadAnnotation(css) {
    let comments = css.match(/\/\*\s*# sourceMappingURL=/g)
    if (!comments) return

// sourceMappingURLs from comments, strings, etc.
    let start = css.lastIndexOf(comments.pop())
    let end = css.indexOf('*/', start)

if (start > -1 && end > -1) {
      // Locate the last sourceMappingURL to avoid pickin
      this.annotation = this.getAnnotationURL(css.substring(start, end))
    }
  }

loadFile(path, cssFile, trusted) {
    /* c8 ignore next 5 */
    if (!trusted && !this.unsafeMap) {
      if (!/\.map$/i.test(path)) {
        return undefined
      }
    }
    this.root = dirname(path)
    if (existsSync(path)) {
      this.mapFile = path
      return readFileSync(path, 'utf-8').toString().trim()
    }
  }

loadMap(file, prev) {
    if (prev === false) return false

if (prev) {
      if (typeof prev === 'string') {
        return prev
      } else if (typeof prev === 'function') {
        let prevPath = prev(file)
        if (prevPath) {
          let map = this.loadFile(prevPath, file, true)
          if (!map) {
            throw new Error(
              'Unable to load previous source map: ' + prevPath.toString()
            )
          }
          return map
        }
      } else if (prev instanceof SourceMapConsumer) {
        return SourceMapGenerator.fromSourceMap(prev).toString()
      } else if (prev instanceof SourceMapGenerator) {
        return prev.toString()
      } else if (this.isMap(prev)) {
        return JSON.stringify(prev)
      } else {
        throw new Error(
          'Unsupported previous source map format: ' + prev.toString()
        )
      }
    } else if (this.inline) {
      return this.decodeInline(this.annotation)
    } else if (this.annotation) {
      let map = this.annotation
      if (file) map = join(dirname(file), map)
      let unknown = this.loadFile(map, file, false)
      if (unknown) {
        try {
          /* c8 ignore next 4 */
          this.json = JSON.parse(unknown.replace(/^\)]}'[^\n]*\n/, ''))
        } catch {
          return undefined
        }
      }
      return unknown
    }
  }

startWith(string, start) {
    if (!string) return false
    return string.substr(0, start.length) === start
  }

withContent() {
    return !!(
      this.consumer().sourcesContent &&
      this.consumer().sourcesContent.length > 0
    )
  }
}

module.exports = PreviousMap
PreviousMap.default = PreviousMap