Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

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Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/codemirror/src/line/highlight.js

@@ -0,0 +1,284 @@
+import { countColumn } from "../util/misc.js"
+import { copyState, innerMode, startState } from "../modes.js"
+import StringStream from "../util/StringStream.js"
+
+import { getLine, lineNo } from "./utils_line.js"
+import { clipPos } from "./pos.js"
+
+class SavedContext {
+  constructor(state, lookAhead) {
+    this.state = state
+    this.lookAhead = lookAhead
+  }
+}
+
+class Context {
+  constructor(doc, state, line, lookAhead) {
+    this.state = state
+    this.doc = doc
+    this.line = line
+    this.maxLookAhead = lookAhead || 0
+    this.baseTokens = null
+    this.baseTokenPos = 1
+  }
+
+  lookAhead(n) {
+    let line = this.doc.getLine(this.line + n)
+    if (line != null && n > this.maxLookAhead) this.maxLookAhead = n
+    return line
+  }
+
+  baseToken(n) {
+    if (!this.baseTokens) return null
+    while (this.baseTokens[this.baseTokenPos] <= n)
+      this.baseTokenPos += 2
+    let type = this.baseTokens[this.baseTokenPos + 1]
+    return {type: type && type.replace(/( |^)overlay .*/, ""),
+            size: this.baseTokens[this.baseTokenPos] - n}
+  }
+
+  nextLine() {
+    this.line++
+    if (this.maxLookAhead > 0) this.maxLookAhead--
+  }
+
+  static fromSaved(doc, saved, line) {
+    if (saved instanceof SavedContext)
+      return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead)
+    else
+      return new Context(doc, copyState(doc.mode, saved), line)
+  }
+
+  save(copy) {
+    let state = copy !== false ? copyState(this.doc.mode, this.state) : this.state
+    return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
+  }
+}
+
+
+// Compute a style array (an array starting with a mode generation
+// -- for invalidation -- followed by pairs of end positions and
+// style strings), which is used to highlight the tokens on the
+// line.
+export function highlightLine(cm, line, context, forceToEnd) {
+  // A styles array always starts with a number identifying the
+  // mode/overlays that it is based on (for easy invalidation).
+  let st = [cm.state.modeGen], lineClasses = {}
+  // Compute the base array of styles
+  runMode(cm, line.text, cm.doc.mode, context, (end, style) => st.push(end, style),
+          lineClasses, forceToEnd)
+  let state = context.state
+
+  // Run overlays, adjust style array.
+  for (let o = 0; o < cm.state.overlays.length; ++o) {
+    context.baseTokens = st
+    let overlay = cm.state.overlays[o], i = 1, at = 0
+    context.state = true
+    runMode(cm, line.text, overlay.mode, context, (end, style) => {
+      let start = i
+      // Ensure there's a token end at the current position, and that i points at it
+      while (at < end) {
+        let i_end = st[i]
+        if (i_end > end)
+          st.splice(i, 1, end, st[i+1], i_end)
+        i += 2
+        at = Math.min(end, i_end)
+      }
+      if (!style) return
+      if (overlay.opaque) {
+        st.splice(start, i - start, end, "overlay " + style)
+        i = start + 2
+      } else {
+        for (; start < i; start += 2) {
+          let cur = st[start+1]
+          st[start+1] = (cur ? cur + " " : "") + "overlay " + style
+        }
+      }
+    }, lineClasses)
+    context.state = state
+    context.baseTokens = null
+    context.baseTokenPos = 1
+  }
+
+  return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
+}
+
+export function getLineStyles(cm, line, updateFrontier) {
+  if (!line.styles || line.styles[0] != cm.state.modeGen) {
+    let context = getContextBefore(cm, lineNo(line))
+    let resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state)
+    let result = highlightLine(cm, line, context)
+    if (resetState) context.state = resetState
+    line.stateAfter = context.save(!resetState)
+    line.styles = result.styles
+    if (result.classes) line.styleClasses = result.classes
+    else if (line.styleClasses) line.styleClasses = null
+    if (updateFrontier === cm.doc.highlightFrontier)
+      cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier)
+  }
+  return line.styles
+}
+
+export function getContextBefore(cm, n, precise) {
+  let doc = cm.doc, display = cm.display
+  if (!doc.mode.startState) return new Context(doc, true, n)
+  let start = findStartLine(cm, n, precise)
+  let saved = start > doc.first && getLine(doc, start - 1).stateAfter
+  let context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start)
+
+  doc.iter(start, n, line => {
+    processLine(cm, line.text, context)
+    let pos = context.line
+    line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null
+    context.nextLine()
+  })
+  if (precise) doc.modeFrontier = context.line
+  return context
+}
+
+// Lightweight form of highlight -- proceed over this line and
+// update state, but don't save a style array. Used for lines that
+// aren't currently visible.
+export function processLine(cm, text, context, startAt) {
+  let mode = cm.doc.mode
+  let stream = new StringStream(text, cm.options.tabSize, context)
+  stream.start = stream.pos = startAt || 0
+  if (text == "") callBlankLine(mode, context.state)
+  while (!stream.eol()) {
+    readToken(mode, stream, context.state)
+    stream.start = stream.pos
+  }
+}
+
+function callBlankLine(mode, state) {
+  if (mode.blankLine) return mode.blankLine(state)
+  if (!mode.innerMode) return
+  let inner = innerMode(mode, state)
+  if (inner.mode.blankLine) return inner.mode.blankLine(inner.state)
+}
+
+function readToken(mode, stream, state, inner) {
+  for (let i = 0; i < 10; i++) {
+    if (inner) inner[0] = innerMode(mode, state).mode
+    let style = mode.token(stream, state)
+    if (stream.pos > stream.start) return style
+  }
+  throw new Error("Mode " + mode.name + " failed to advance stream.")
+}
+
+class Token {
+  constructor(stream, type, state) {
+    this.start = stream.start; this.end = stream.pos
+    this.string = stream.current()
+    this.type = type || null
+    this.state = state
+  }
+}
+
+// Utility for getTokenAt and getLineTokens
+export function takeToken(cm, pos, precise, asArray) {
+  let doc = cm.doc, mode = doc.mode, style
+  pos = clipPos(doc, pos)
+  let line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise)
+  let stream = new StringStream(line.text, cm.options.tabSize, context), tokens
+  if (asArray) tokens = []
+  while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
+    stream.start = stream.pos
+    style = readToken(mode, stream, context.state)
+    if (asArray) tokens.push(new Token(stream, style, copyState(doc.mode, context.state)))
+  }
+  return asArray ? tokens : new Token(stream, style, context.state)
+}
+
+function extractLineClasses(type, output) {
+  if (type) for (;;) {
+    let lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/)
+    if (!lineClass) break
+    type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length)
+    let prop = lineClass[1] ? "bgClass" : "textClass"
+    if (output[prop] == null)
+      output[prop] = lineClass[2]
+    else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop]))
+      output[prop] += " " + lineClass[2]
+  }
+  return type
+}
+
+// Run the given mode's parser over a line, calling f for each token.
+function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
+  let flattenSpans = mode.flattenSpans
+  if (flattenSpans == null) flattenSpans = cm.options.flattenSpans
+  let curStart = 0, curStyle = null
+  let stream = new StringStream(text, cm.options.tabSize, context), style
+  let inner = cm.options.addModeClass && [null]
+  if (text == "") extractLineClasses(callBlankLine(mode, context.state), lineClasses)
+  while (!stream.eol()) {
+    if (stream.pos > cm.options.maxHighlightLength) {
+      flattenSpans = false
+      if (forceToEnd) processLine(cm, text, context, stream.pos)
+      stream.pos = text.length
+      style = null
+    } else {
+      style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses)
+    }
+    if (inner) {
+      let mName = inner[0].name
+      if (mName) style = "m-" + (style ? mName + " " + style : mName)
+    }
+    if (!flattenSpans || curStyle != style) {
+      while (curStart < stream.start) {
+        curStart = Math.min(stream.start, curStart + 5000)
+        f(curStart, curStyle)
+      }
+      curStyle = style
+    }
+    stream.start = stream.pos
+  }
+  while (curStart < stream.pos) {
+    // Webkit seems to refuse to render text nodes longer than 57444
+    // characters, and returns inaccurate measurements in nodes
+    // starting around 5000 chars.
+    let pos = Math.min(stream.pos, curStart + 5000)
+    f(pos, curStyle)
+    curStart = pos
+  }
+}
+
+// Finds the line to start with when starting a parse. Tries to
+// find a line with a stateAfter, so that it can start with a
+// valid state. If that fails, it returns the line with the
+// smallest indentation, which tends to need the least context to
+// parse correctly.
+function findStartLine(cm, n, precise) {
+  let minindent, minline, doc = cm.doc
+  let lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100)
+  for (let search = n; search > lim; --search) {
+    if (search <= doc.first) return doc.first
+    let line = getLine(doc, search - 1), after = line.stateAfter
+    if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
+      return search
+    let indented = countColumn(line.text, null, cm.options.tabSize)
+    if (minline == null || minindent > indented) {
+      minline = search - 1
+      minindent = indented
+    }
+  }
+  return minline
+}
+
+export function retreatFrontier(doc, n) {
+  doc.modeFrontier = Math.min(doc.modeFrontier, n)
+  if (doc.highlightFrontier < n - 10) return
+  let start = doc.first
+  for (let line = n - 1; line > start; line--) {
+    let saved = getLine(doc, line).stateAfter
+    // change is on 3
+    // state on line 1 looked ahead 2 -- so saw 3
+    // test 1 + 2 < 3 should cover this
+    if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
+      start = line + 1
+      break
+    }
+  }
+  doc.highlightFrontier = Math.min(doc.highlightFrontier, start)
+}

node_modules/codemirror/src/line/line_data.js

@@ -0,0 +1,349 @@
+import { getOrder } from "../util/bidi.js"
+import { ie, ie_version, webkit } from "../util/browser.js"
+import { elt, eltP, joinClasses } from "../util/dom.js"
+import { eventMixin, signal } from "../util/event.js"
+import { hasBadBidiRects, zeroWidthElement } from "../util/feature_detection.js"
+import { lst, spaceStr } from "../util/misc.js"
+
+import { getLineStyles } from "./highlight.js"
+import { attachMarkedSpans, compareCollapsedMarkers, detachMarkedSpans, lineIsHidden, visualLineContinued } from "./spans.js"
+import { getLine, lineNo, updateLineHeight } from "./utils_line.js"
+
+// LINE DATA STRUCTURE
+
+// Line objects. These hold state related to a line, including
+// highlighting info (the styles array).
+export class Line {
+  constructor(text, markedSpans, estimateHeight) {
+    this.text = text
+    attachMarkedSpans(this, markedSpans)
+    this.height = estimateHeight ? estimateHeight(this) : 1
+  }
+
+  lineNo() { return lineNo(this) }
+}
+eventMixin(Line)
+
+// Change the content (text, markers) of a line. Automatically
+// invalidates cached information and tries to re-estimate the
+// line's height.
+export function updateLine(line, text, markedSpans, estimateHeight) {
+  line.text = text
+  if (line.stateAfter) line.stateAfter = null
+  if (line.styles) line.styles = null
+  if (line.order != null) line.order = null
+  detachMarkedSpans(line)
+  attachMarkedSpans(line, markedSpans)
+  let estHeight = estimateHeight ? estimateHeight(line) : 1
+  if (estHeight != line.height) updateLineHeight(line, estHeight)
+}
+
+// Detach a line from the document tree and its markers.
+export function cleanUpLine(line) {
+  line.parent = null
+  detachMarkedSpans(line)
+}
+
+// Convert a style as returned by a mode (either null, or a string
+// containing one or more styles) to a CSS style. This is cached,
+// and also looks for line-wide styles.
+let styleToClassCache = {}, styleToClassCacheWithMode = {}
+function interpretTokenStyle(style, options) {
+  if (!style || /^\s*$/.test(style)) return null
+  let cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache
+  return cache[style] ||
+    (cache[style] = style.replace(/\S+/g, "cm-$&"))
+}
+
+// Render the DOM representation of the text of a line. Also builds
+// up a 'line map', which points at the DOM nodes that represent
+// specific stretches of text, and is used by the measuring code.
+// The returned object contains the DOM node, this map, and
+// information about line-wide styles that were set by the mode.
+export function buildLineContent(cm, lineView) {
+  // The padding-right forces the element to have a 'border', which
+  // is needed on Webkit to be able to get line-level bounding
+  // rectangles for it (in measureChar).
+  let content = eltP("span", null, null, webkit ? "padding-right: .1px" : null)
+  let builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
+                 col: 0, pos: 0, cm: cm,
+                 trailingSpace: false,
+                 splitSpaces: cm.getOption("lineWrapping")}
+  lineView.measure = {}
+
+  // Iterate over the logical lines that make up this visual line.
+  for (let i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
+    let line = i ? lineView.rest[i - 1] : lineView.line, order
+    builder.pos = 0
+    builder.addToken = buildToken
+    // Optionally wire in some hacks into the token-rendering
+    // algorithm, to deal with browser quirks.
+    if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
+      builder.addToken = buildTokenBadBidi(builder.addToken, order)
+    builder.map = []
+    let allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line)
+    insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate))
+    if (line.styleClasses) {
+      if (line.styleClasses.bgClass)
+        builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "")
+      if (line.styleClasses.textClass)
+        builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "")
+    }
+
+    // Ensure at least a single node is present, for measuring.
+    if (builder.map.length == 0)
+      builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)))
+
+    // Store the map and a cache object for the current logical line
+    if (i == 0) {
+      lineView.measure.map = builder.map
+      lineView.measure.cache = {}
+    } else {
+      ;(lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
+      ;(lineView.measure.caches || (lineView.measure.caches = [])).push({})
+    }
+  }
+
+  // See issue #2901
+  if (webkit) {
+    let last = builder.content.lastChild
+    if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
+      builder.content.className = "cm-tab-wrap-hack"
+  }
+
+  signal(cm, "renderLine", cm, lineView.line, builder.pre)
+  if (builder.pre.className)
+    builder.textClass = joinClasses(builder.pre.className, builder.textClass || "")
+
+  return builder
+}
+
+export function defaultSpecialCharPlaceholder(ch) {
+  let token = elt("span", "\u2022", "cm-invalidchar")
+  token.title = "\\u" + ch.charCodeAt(0).toString(16)
+  token.setAttribute("aria-label", token.title)
+  return token
+}
+
+// Build up the DOM representation for a single token, and add it to
+// the line map. Takes care to render special characters separately.
+function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {
+  if (!text) return
+  let displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text
+  let special = builder.cm.state.specialChars, mustWrap = false
+  let content
+  if (!special.test(text)) {
+    builder.col += text.length
+    content = document.createTextNode(displayText)
+    builder.map.push(builder.pos, builder.pos + text.length, content)
+    if (ie && ie_version < 9) mustWrap = true
+    builder.pos += text.length
+  } else {
+    content = document.createDocumentFragment()
+    let pos = 0
+    while (true) {
+      special.lastIndex = pos
+      let m = special.exec(text)
+      let skipped = m ? m.index - pos : text.length - pos
+      if (skipped) {
+        let txt = document.createTextNode(displayText.slice(pos, pos + skipped))
+        if (ie && ie_version < 9) content.appendChild(elt("span", [txt]))
+        else content.appendChild(txt)
+        builder.map.push(builder.pos, builder.pos + skipped, txt)
+        builder.col += skipped
+        builder.pos += skipped
+      }
+      if (!m) break
+      pos += skipped + 1
+      let txt
+      if (m[0] == "\t") {
+        let tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize
+        txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"))
+        txt.setAttribute("role", "presentation")
+        txt.setAttribute("cm-text", "\t")
+        builder.col += tabWidth
+      } else if (m[0] == "\r" || m[0] == "\n") {
+        txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"))
+        txt.setAttribute("cm-text", m[0])
+        builder.col += 1
+      } else {
+        txt = builder.cm.options.specialCharPlaceholder(m[0])
+        txt.setAttribute("cm-text", m[0])
+        if (ie && ie_version < 9) content.appendChild(elt("span", [txt]))
+        else content.appendChild(txt)
+        builder.col += 1
+      }
+      builder.map.push(builder.pos, builder.pos + 1, txt)
+      builder.pos++
+    }
+  }
+  builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32
+  if (style || startStyle || endStyle || mustWrap || css || attributes) {
+    let fullStyle = style || ""
+    if (startStyle) fullStyle += startStyle
+    if (endStyle) fullStyle += endStyle
+    let token = elt("span", [content], fullStyle, css)
+    if (attributes) {
+      for (let attr in attributes) if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class")
+        token.setAttribute(attr, attributes[attr])
+    }
+    return builder.content.appendChild(token)
+  }
+  builder.content.appendChild(content)
+}
+
+// Change some spaces to NBSP to prevent the browser from collapsing
+// trailing spaces at the end of a line when rendering text (issue #1362).
+function splitSpaces(text, trailingBefore) {
+  if (text.length > 1 && !/  /.test(text)) return text
+  let spaceBefore = trailingBefore, result = ""
+  for (let i = 0; i < text.length; i++) {
+    let ch = text.charAt(i)
+    if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
+      ch = "\u00a0"
+    result += ch
+    spaceBefore = ch == " "
+  }
+  return result
+}
+
+// Work around nonsense dimensions being reported for stretches of
+// right-to-left text.
+function buildTokenBadBidi(inner, order) {
+  return (builder, text, style, startStyle, endStyle, css, attributes) => {
+    style = style ? style + " cm-force-border" : "cm-force-border"
+    let start = builder.pos, end = start + text.length
+    for (;;) {
+      // Find the part that overlaps with the start of this text
+      let part
+      for (let i = 0; i < order.length; i++) {
+        part = order[i]
+        if (part.to > start && part.from <= start) break
+      }
+      if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, css, attributes)
+      inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes)
+      startStyle = null
+      text = text.slice(part.to - start)
+      start = part.to
+    }
+  }
+}
+
+function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
+  let widget = !ignoreWidget && marker.widgetNode
+  if (widget) builder.map.push(builder.pos, builder.pos + size, widget)
+  if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
+    if (!widget)
+      widget = builder.content.appendChild(document.createElement("span"))
+    widget.setAttribute("cm-marker", marker.id)
+  }
+  if (widget) {
+    builder.cm.display.input.setUneditable(widget)
+    builder.content.appendChild(widget)
+  }
+  builder.pos += size
+  builder.trailingSpace = false
+}
+
+// Outputs a number of spans to make up a line, taking highlighting
+// and marked text into account.
+function insertLineContent(line, builder, styles) {
+  let spans = line.markedSpans, allText = line.text, at = 0
+  if (!spans) {
+    for (let i = 1; i < styles.length; i+=2)
+      builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options))
+    return
+  }
+
+  let len = allText.length, pos = 0, i = 1, text = "", style, css
+  let nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes
+  for (;;) {
+    if (nextChange == pos) { // Update current marker set
+      spanStyle = spanEndStyle = spanStartStyle = css = ""
+      attributes = null
+      collapsed = null; nextChange = Infinity
+      let foundBookmarks = [], endStyles
+      for (let j = 0; j < spans.length; ++j) {
+        let sp = spans[j], m = sp.marker
+        if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
+          foundBookmarks.push(m)
+        } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
+          if (sp.to != null && sp.to != pos && nextChange > sp.to) {
+            nextChange = sp.to
+            spanEndStyle = ""
+          }
+          if (m.className) spanStyle += " " + m.className
+          if (m.css) css = (css ? css + ";" : "") + m.css
+          if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle
+          if (m.endStyle && sp.to == nextChange) (endStyles || (endStyles = [])).push(m.endStyle, sp.to)
+          // support for the old title property
+          // https://github.com/codemirror/CodeMirror/pull/5673
+          if (m.title) (attributes || (attributes = {})).title = m.title
+          if (m.attributes) {
+            for (let attr in m.attributes)
+              (attributes || (attributes = {}))[attr] = m.attributes[attr]
+          }
+          if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
+            collapsed = sp
+        } else if (sp.from > pos && nextChange > sp.from) {
+          nextChange = sp.from
+        }
+      }
+      if (endStyles) for (let j = 0; j < endStyles.length; j += 2)
+        if (endStyles[j + 1] == nextChange) spanEndStyle += " " + endStyles[j]
+
+      if (!collapsed || collapsed.from == pos) for (let j = 0; j < foundBookmarks.length; ++j)
+        buildCollapsedSpan(builder, 0, foundBookmarks[j])
+      if (collapsed && (collapsed.from || 0) == pos) {
+        buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
+                           collapsed.marker, collapsed.from == null)
+        if (collapsed.to == null) return
+        if (collapsed.to == pos) collapsed = false
+      }
+    }
+    if (pos >= len) break
+
+    let upto = Math.min(len, nextChange)
+    while (true) {
+      if (text) {
+        let end = pos + text.length
+        if (!collapsed) {
+          let tokenText = end > upto ? text.slice(0, upto - pos) : text
+          builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
+                           spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes)
+        }
+        if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
+        pos = end
+        spanStartStyle = ""
+      }
+      text = allText.slice(at, at = styles[i++])
+      style = interpretTokenStyle(styles[i++], builder.cm.options)
+    }
+  }
+}
+
+
+// These objects are used to represent the visible (currently drawn)
+// part of the document. A LineView may correspond to multiple
+// logical lines, if those are connected by collapsed ranges.
+export function LineView(doc, line, lineN) {
+  // The starting line
+  this.line = line
+  // Continuing lines, if any
+  this.rest = visualLineContinued(line)
+  // Number of logical lines in this visual line
+  this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1
+  this.node = this.text = null
+  this.hidden = lineIsHidden(doc, line)
+}
+
+// Create a range of LineView objects for the given lines.
+export function buildViewArray(cm, from, to) {
+  let array = [], nextPos
+  for (let pos = from; pos < to; pos = nextPos) {
+    let view = new LineView(cm.doc, getLine(cm.doc, pos), pos)
+    nextPos = pos + view.size
+    array.push(view)
+  }
+  return array
+}

node_modules/codemirror/src/line/pos.js

@@ -0,0 +1,40 @@
+import { getLine } from "./utils_line.js"
+
+// A Pos instance represents a position within the text.
+export function Pos(line, ch, sticky = null) {
+  if (!(this instanceof Pos)) return new Pos(line, ch, sticky)
+  this.line = line
+  this.ch = ch
+  this.sticky = sticky
+}
+
+// Compare two positions, return 0 if they are the same, a negative
+// number when a is less, and a positive number otherwise.
+export function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
+
+export function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
+
+export function copyPos(x) {return Pos(x.line, x.ch)}
+export function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
+export function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
+
+// Most of the external API clips given positions to make sure they
+// actually exist within the document.
+export function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
+export function clipPos(doc, pos) {
+  if (pos.line < doc.first) return Pos(doc.first, 0)
+  let last = doc.first + doc.size - 1
+  if (pos.line > last) return Pos(last, getLine(doc, last).text.length)
+  return clipToLen(pos, getLine(doc, pos.line).text.length)
+}
+function clipToLen(pos, linelen) {
+  let ch = pos.ch
+  if (ch == null || ch > linelen) return Pos(pos.line, linelen)
+  else if (ch < 0) return Pos(pos.line, 0)
+  else return pos
+}
+export function clipPosArray(doc, array) {
+  let out = []
+  for (let i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i])
+  return out
+}

node_modules/codemirror/src/line/saw_special_spans.js

@@ -0,0 +1,10 @@
+// Optimize some code when these features are not used.
+export let sawReadOnlySpans = false, sawCollapsedSpans = false
+
+export function seeReadOnlySpans() {
+  sawReadOnlySpans = true
+}
+
+export function seeCollapsedSpans() {
+  sawCollapsedSpans = true
+}

node_modules/codemirror/src/line/spans.js

@@ -0,0 +1,390 @@
+import { indexOf, lst } from "../util/misc.js"
+
+import { cmp } from "./pos.js"
+import { sawCollapsedSpans } from "./saw_special_spans.js"
+import { getLine, isLine, lineNo } from "./utils_line.js"
+
+// TEXTMARKER SPANS
+
+export function MarkedSpan(marker, from, to) {
+  this.marker = marker
+  this.from = from; this.to = to
+}
+
+// Search an array of spans for a span matching the given marker.
+export function getMarkedSpanFor(spans, marker) {
+  if (spans) for (let i = 0; i < spans.length; ++i) {
+    let span = spans[i]
+    if (span.marker == marker) return span
+  }
+}
+
+// Remove a span from an array, returning undefined if no spans are
+// left (we don't store arrays for lines without spans).
+export function removeMarkedSpan(spans, span) {
+  let r
+  for (let i = 0; i < spans.length; ++i)
+    if (spans[i] != span) (r || (r = [])).push(spans[i])
+  return r
+}
+
+// Add a span to a line.
+export function addMarkedSpan(line, span, op) {
+  let inThisOp = op && window.WeakSet && (op.markedSpans || (op.markedSpans = new WeakSet))
+  if (inThisOp && line.markedSpans && inThisOp.has(line.markedSpans)) {
+    line.markedSpans.push(span)
+  } else {
+    line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span]
+    if (inThisOp) inThisOp.add(line.markedSpans)
+  }
+  span.marker.attachLine(line)
+}
+
+// Used for the algorithm that adjusts markers for a change in the
+// document. These functions cut an array of spans at a given
+// character position, returning an array of remaining chunks (or
+// undefined if nothing remains).
+function markedSpansBefore(old, startCh, isInsert) {
+  let nw
+  if (old) for (let i = 0; i < old.length; ++i) {
+    let span = old[i], marker = span.marker
+    let startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh)
+    if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
+      let endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)
+      ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to))
+    }
+  }
+  return nw
+}
+function markedSpansAfter(old, endCh, isInsert) {
+  let nw
+  if (old) for (let i = 0; i < old.length; ++i) {
+    let span = old[i], marker = span.marker
+    let endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh)
+    if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
+      let startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)
+      ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
+                                            span.to == null ? null : span.to - endCh))
+    }
+  }
+  return nw
+}
+
+// Given a change object, compute the new set of marker spans that
+// cover the line in which the change took place. Removes spans
+// entirely within the change, reconnects spans belonging to the
+// same marker that appear on both sides of the change, and cuts off
+// spans partially within the change. Returns an array of span
+// arrays with one element for each line in (after) the change.
+export function stretchSpansOverChange(doc, change) {
+  if (change.full) return null
+  let oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans
+  let oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans
+  if (!oldFirst && !oldLast) return null
+
+  let startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0
+  // Get the spans that 'stick out' on both sides
+  let first = markedSpansBefore(oldFirst, startCh, isInsert)
+  let last = markedSpansAfter(oldLast, endCh, isInsert)
+
+  // Next, merge those two ends
+  let sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0)
+  if (first) {
+    // Fix up .to properties of first
+    for (let i = 0; i < first.length; ++i) {
+      let span = first[i]
+      if (span.to == null) {
+        let found = getMarkedSpanFor(last, span.marker)
+        if (!found) span.to = startCh
+        else if (sameLine) span.to = found.to == null ? null : found.to + offset
+      }
+    }
+  }
+  if (last) {
+    // Fix up .from in last (or move them into first in case of sameLine)
+    for (let i = 0; i < last.length; ++i) {
+      let span = last[i]
+      if (span.to != null) span.to += offset
+      if (span.from == null) {
+        let found = getMarkedSpanFor(first, span.marker)
+        if (!found) {
+          span.from = offset
+          if (sameLine) (first || (first = [])).push(span)
+        }
+      } else {
+        span.from += offset
+        if (sameLine) (first || (first = [])).push(span)
+      }
+    }
+  }
+  // Make sure we didn't create any zero-length spans
+  if (first) first = clearEmptySpans(first)
+  if (last && last != first) last = clearEmptySpans(last)
+
+  let newMarkers = [first]
+  if (!sameLine) {
+    // Fill gap with whole-line-spans
+    let gap = change.text.length - 2, gapMarkers
+    if (gap > 0 && first)
+      for (let i = 0; i < first.length; ++i)
+        if (first[i].to == null)
+          (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null))
+    for (let i = 0; i < gap; ++i)
+      newMarkers.push(gapMarkers)
+    newMarkers.push(last)
+  }
+  return newMarkers
+}
+
+// Remove spans that are empty and don't have a clearWhenEmpty
+// option of false.
+function clearEmptySpans(spans) {
+  for (let i = 0; i < spans.length; ++i) {
+    let span = spans[i]
+    if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
+      spans.splice(i--, 1)
+  }
+  if (!spans.length) return null
+  return spans
+}
+
+// Used to 'clip' out readOnly ranges when making a change.
+export function removeReadOnlyRanges(doc, from, to) {
+  let markers = null
+  doc.iter(from.line, to.line + 1, line => {
+    if (line.markedSpans) for (let i = 0; i < line.markedSpans.length; ++i) {
+      let mark = line.markedSpans[i].marker
+      if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+        (markers || (markers = [])).push(mark)
+    }
+  })
+  if (!markers) return null
+  let parts = [{from: from, to: to}]
+  for (let i = 0; i < markers.length; ++i) {
+    let mk = markers[i], m = mk.find(0)
+    for (let j = 0; j < parts.length; ++j) {
+      let p = parts[j]
+      if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue
+      let newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to)
+      if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
+        newParts.push({from: p.from, to: m.from})
+      if (dto > 0 || !mk.inclusiveRight && !dto)
+        newParts.push({from: m.to, to: p.to})
+      parts.splice.apply(parts, newParts)
+      j += newParts.length - 3
+    }
+  }
+  return parts
+}
+
+// Connect or disconnect spans from a line.
+export function detachMarkedSpans(line) {
+  let spans = line.markedSpans
+  if (!spans) return
+  for (let i = 0; i < spans.length; ++i)
+    spans[i].marker.detachLine(line)
+  line.markedSpans = null
+}
+export function attachMarkedSpans(line, spans) {
+  if (!spans) return
+  for (let i = 0; i < spans.length; ++i)
+    spans[i].marker.attachLine(line)
+  line.markedSpans = spans
+}
+
+// Helpers used when computing which overlapping collapsed span
+// counts as the larger one.
+function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
+function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
+
+// Returns a number indicating which of two overlapping collapsed
+// spans is larger (and thus includes the other). Falls back to
+// comparing ids when the spans cover exactly the same range.
+export function compareCollapsedMarkers(a, b) {
+  let lenDiff = a.lines.length - b.lines.length
+  if (lenDiff != 0) return lenDiff
+  let aPos = a.find(), bPos = b.find()
+  let fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b)
+  if (fromCmp) return -fromCmp
+  let toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b)
+  if (toCmp) return toCmp
+  return b.id - a.id
+}
+
+// Find out whether a line ends or starts in a collapsed span. If
+// so, return the marker for that span.
+function collapsedSpanAtSide(line, start) {
+  let sps = sawCollapsedSpans && line.markedSpans, found
+  if (sps) for (let sp, i = 0; i < sps.length; ++i) {
+    sp = sps[i]
+    if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
+        (!found || compareCollapsedMarkers(found, sp.marker) < 0))
+      found = sp.marker
+  }
+  return found
+}
+export function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
+export function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
+
+export function collapsedSpanAround(line, ch) {
+  let sps = sawCollapsedSpans && line.markedSpans, found
+  if (sps) for (let i = 0; i < sps.length; ++i) {
+    let sp = sps[i]
+    if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&
+        (!found || compareCollapsedMarkers(found, sp.marker) < 0)) found = sp.marker
+  }
+  return found
+}
+
+// Test whether there exists a collapsed span that partially
+// overlaps (covers the start or end, but not both) of a new span.
+// Such overlap is not allowed.
+export function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
+  let line = getLine(doc, lineNo)
+  let sps = sawCollapsedSpans && line.markedSpans
+  if (sps) for (let i = 0; i < sps.length; ++i) {
+    let sp = sps[i]
+    if (!sp.marker.collapsed) continue
+    let found = sp.marker.find(0)
+    let fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker)
+    let toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker)
+    if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue
+    if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
+        fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
+      return true
+  }
+}
+
+// A visual line is a line as drawn on the screen. Folding, for
+// example, can cause multiple logical lines to appear on the same
+// visual line. This finds the start of the visual line that the
+// given line is part of (usually that is the line itself).
+export function visualLine(line) {
+  let merged
+  while (merged = collapsedSpanAtStart(line))
+    line = merged.find(-1, true).line
+  return line
+}
+
+export function visualLineEnd(line) {
+  let merged
+  while (merged = collapsedSpanAtEnd(line))
+    line = merged.find(1, true).line
+  return line
+}
+
+// Returns an array of logical lines that continue the visual line
+// started by the argument, or undefined if there are no such lines.
+export function visualLineContinued(line) {
+  let merged, lines
+  while (merged = collapsedSpanAtEnd(line)) {
+    line = merged.find(1, true).line
+    ;(lines || (lines = [])).push(line)
+  }
+  return lines
+}
+
+// Get the line number of the start of the visual line that the
+// given line number is part of.
+export function visualLineNo(doc, lineN) {
+  let line = getLine(doc, lineN), vis = visualLine(line)
+  if (line == vis) return lineN
+  return lineNo(vis)
+}
+
+// Get the line number of the start of the next visual line after
+// the given line.
+export function visualLineEndNo(doc, lineN) {
+  if (lineN > doc.lastLine()) return lineN
+  let line = getLine(doc, lineN), merged
+  if (!lineIsHidden(doc, line)) return lineN
+  while (merged = collapsedSpanAtEnd(line))
+    line = merged.find(1, true).line
+  return lineNo(line) + 1
+}
+
+// Compute whether a line is hidden. Lines count as hidden when they
+// are part of a visual line that starts with another line, or when
+// they are entirely covered by collapsed, non-widget span.
+export function lineIsHidden(doc, line) {
+  let sps = sawCollapsedSpans && line.markedSpans
+  if (sps) for (let sp, i = 0; i < sps.length; ++i) {
+    sp = sps[i]
+    if (!sp.marker.collapsed) continue
+    if (sp.from == null) return true
+    if (sp.marker.widgetNode) continue
+    if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
+      return true
+  }
+}
+function lineIsHiddenInner(doc, line, span) {
+  if (span.to == null) {
+    let end = span.marker.find(1, true)
+    return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
+  }
+  if (span.marker.inclusiveRight && span.to == line.text.length)
+    return true
+  for (let sp, i = 0; i < line.markedSpans.length; ++i) {
+    sp = line.markedSpans[i]
+    if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
+        (sp.to == null || sp.to != span.from) &&
+        (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+        lineIsHiddenInner(doc, line, sp)) return true
+  }
+}
+
+// Find the height above the given line.
+export function heightAtLine(lineObj) {
+  lineObj = visualLine(lineObj)
+
+  let h = 0, chunk = lineObj.parent
+  for (let i = 0; i < chunk.lines.length; ++i) {
+    let line = chunk.lines[i]
+    if (line == lineObj) break
+    else h += line.height
+  }
+  for (let p = chunk.parent; p; chunk = p, p = chunk.parent) {
+    for (let i = 0; i < p.children.length; ++i) {
+      let cur = p.children[i]
+      if (cur == chunk) break
+      else h += cur.height
+    }
+  }
+  return h
+}
+
+// Compute the character length of a line, taking into account
+// collapsed ranges (see markText) that might hide parts, and join
+// other lines onto it.
+export function lineLength(line) {
+  if (line.height == 0) return 0
+  let len = line.text.length, merged, cur = line
+  while (merged = collapsedSpanAtStart(cur)) {
+    let found = merged.find(0, true)
+    cur = found.from.line
+    len += found.from.ch - found.to.ch
+  }
+  cur = line
+  while (merged = collapsedSpanAtEnd(cur)) {
+    let found = merged.find(0, true)
+    len -= cur.text.length - found.from.ch
+    cur = found.to.line
+    len += cur.text.length - found.to.ch
+  }
+  return len
+}
+
+// Find the longest line in the document.
+export function findMaxLine(cm) {
+  let d = cm.display, doc = cm.doc
+  d.maxLine = getLine(doc, doc.first)
+  d.maxLineLength = lineLength(d.maxLine)
+  d.maxLineChanged = true
+  doc.iter(line => {
+    let len = lineLength(line)
+    if (len > d.maxLineLength) {
+      d.maxLineLength = len
+      d.maxLine = line
+    }
+  })
+}

node_modules/codemirror/src/line/utils_line.js

@@ -0,0 +1,85 @@
+import { indexOf } from "../util/misc.js"
+
+// Find the line object corresponding to the given line number.
+export function getLine(doc, n) {
+  n -= doc.first
+  if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.")
+  let chunk = doc
+  while (!chunk.lines) {
+    for (let i = 0;; ++i) {
+      let child = chunk.children[i], sz = child.chunkSize()
+      if (n < sz) { chunk = child; break }
+      n -= sz
+    }
+  }
+  return chunk.lines[n]
+}
+
+// Get the part of a document between two positions, as an array of
+// strings.
+export function getBetween(doc, start, end) {
+  let out = [], n = start.line
+  doc.iter(start.line, end.line + 1, line => {
+    let text = line.text
+    if (n == end.line) text = text.slice(0, end.ch)
+    if (n == start.line) text = text.slice(start.ch)
+    out.push(text)
+    ++n
+  })
+  return out
+}
+// Get the lines between from and to, as array of strings.
+export function getLines(doc, from, to) {
+  let out = []
+  doc.iter(from, to, line => { out.push(line.text) }) // iter aborts when callback returns truthy value
+  return out
+}
+
+// Update the height of a line, propagating the height change
+// upwards to parent nodes.
+export function updateLineHeight(line, height) {
+  let diff = height - line.height
+  if (diff) for (let n = line; n; n = n.parent) n.height += diff
+}
+
+// Given a line object, find its line number by walking up through
+// its parent links.
+export function lineNo(line) {
+  if (line.parent == null) return null
+  let cur = line.parent, no = indexOf(cur.lines, line)
+  for (let chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+    for (let i = 0;; ++i) {
+      if (chunk.children[i] == cur) break
+      no += chunk.children[i].chunkSize()
+    }
+  }
+  return no + cur.first
+}
+
+// Find the line at the given vertical position, using the height
+// information in the document tree.
+export function lineAtHeight(chunk, h) {
+  let n = chunk.first
+  outer: do {
+    for (let i = 0; i < chunk.children.length; ++i) {
+      let child = chunk.children[i], ch = child.height
+      if (h < ch) { chunk = child; continue outer }
+      h -= ch
+      n += child.chunkSize()
+    }
+    return n
+  } while (!chunk.lines)
+  let i = 0
+  for (; i < chunk.lines.length; ++i) {
+    let line = chunk.lines[i], lh = line.height
+    if (h < lh) break
+    h -= lh
+  }
+  return n + i
+}
+
+export function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
+
+export function lineNumberFor(options, i) {
+  return String(options.lineNumberFormatter(i + options.firstLineNumber))
+}