feat(vanilla): add testing infrastructure and tests (NK-wjnczv)

1 files changed, 493 insertions, 0 deletions

diff --git a/vanilla/node_modules/@jridgewell/trace-mapping/dist/trace-mapping.mjs b/vanilla/node_modules/@jridgewell/trace-mapping/dist/trace-mapping.mjs
new file mode 100644
index 0000000..73a95c7
--- /dev/null
+++ b/vanilla/node_modules/@jridgewell/trace-mapping/dist/trace-mapping.mjs
@@ -0,0 +1,493 @@
+// src/trace-mapping.ts
+import { encode, decode } from "@jridgewell/sourcemap-codec";
+
+// src/resolve.ts
+import resolveUri from "@jridgewell/resolve-uri";
+
+// src/strip-filename.ts
+function stripFilename(path) {
+  if (!path) return "";
+  const index = path.lastIndexOf("/");
+  return path.slice(0, index + 1);
+}
+
+// src/resolve.ts
+function resolver(mapUrl, sourceRoot) {
+  const from = stripFilename(mapUrl);
+  const prefix = sourceRoot ? sourceRoot + "/" : "";
+  return (source) => resolveUri(prefix + (source || ""), from);
+}
+
+// src/sourcemap-segment.ts
+var COLUMN = 0;
+var SOURCES_INDEX = 1;
+var SOURCE_LINE = 2;
+var SOURCE_COLUMN = 3;
+var NAMES_INDEX = 4;
+var REV_GENERATED_LINE = 1;
+var REV_GENERATED_COLUMN = 2;
+
+// src/sort.ts
+function maybeSort(mappings, owned) {
+  const unsortedIndex = nextUnsortedSegmentLine(mappings, 0);
+  if (unsortedIndex === mappings.length) return mappings;
+  if (!owned) mappings = mappings.slice();
+  for (let i = unsortedIndex; i < mappings.length; i = nextUnsortedSegmentLine(mappings, i + 1)) {
+    mappings[i] = sortSegments(mappings[i], owned);
+  }
+  return mappings;
+}
+function nextUnsortedSegmentLine(mappings, start) {
+  for (let i = start; i < mappings.length; i++) {
+    if (!isSorted(mappings[i])) return i;
+  }
+  return mappings.length;
+}
+function isSorted(line) {
+  for (let j = 1; j < line.length; j++) {
+    if (line[j][COLUMN] < line[j - 1][COLUMN]) {
+      return false;
+    }
+  }
+  return true;
+}
+function sortSegments(line, owned) {
+  if (!owned) line = line.slice();
+  return line.sort(sortComparator);
+}
+function sortComparator(a, b) {
+  return a[COLUMN] - b[COLUMN];
+}
+
+// src/by-source.ts
+function buildBySources(decoded, memos) {
+  const sources = memos.map(() => []);
+  for (let i = 0; i < decoded.length; i++) {
+    const line = decoded[i];
+    for (let j = 0; j < line.length; j++) {
+      const seg = line[j];
+      if (seg.length === 1) continue;
+      const sourceIndex2 = seg[SOURCES_INDEX];
+      const sourceLine = seg[SOURCE_LINE];
+      const sourceColumn = seg[SOURCE_COLUMN];
+      const source = sources[sourceIndex2];
+      const segs = source[sourceLine] || (source[sourceLine] = []);
+      segs.push([sourceColumn, i, seg[COLUMN]]);
+    }
+  }
+  for (let i = 0; i < sources.length; i++) {
+    const source = sources[i];
+    for (let j = 0; j < source.length; j++) {
+      const line = source[j];
+      if (line) line.sort(sortComparator);
+    }
+  }
+  return sources;
+}
+
+// src/binary-search.ts
+var found = false;
+function binarySearch(haystack, needle, low, high) {
+  while (low <= high) {
+    const mid = low + (high - low >> 1);
+    const cmp = haystack[mid][COLUMN] - needle;
+    if (cmp === 0) {
+      found = true;
+      return mid;
+    }
+    if (cmp < 0) {
+      low = mid + 1;
+    } else {
+      high = mid - 1;
+    }
+  }
+  found = false;
+  return low - 1;
+}
+function upperBound(haystack, needle, index) {
+  for (let i = index + 1; i < haystack.length; index = i++) {
+    if (haystack[i][COLUMN] !== needle) break;
+  }
+  return index;
+}
+function lowerBound(haystack, needle, index) {
+  for (let i = index - 1; i >= 0; index = i--) {
+    if (haystack[i][COLUMN] !== needle) break;
+  }
+  return index;
+}
+function memoizedState() {
+  return {
+    lastKey: -1,
+    lastNeedle: -1,
+    lastIndex: -1
+  };
+}
+function memoizedBinarySearch(haystack, needle, state, key) {
+  const { lastKey, lastNeedle, lastIndex } = state;
+  let low = 0;
+  let high = haystack.length - 1;
+  if (key === lastKey) {
+    if (needle === lastNeedle) {
+      found = lastIndex !== -1 && haystack[lastIndex][COLUMN] === needle;
+      return lastIndex;
+    }
+    if (needle >= lastNeedle) {
+      low = lastIndex === -1 ? 0 : lastIndex;
+    } else {
+      high = lastIndex;
+    }
+  }
+  state.lastKey = key;
+  state.lastNeedle = needle;
+  return state.lastIndex = binarySearch(haystack, needle, low, high);
+}
+
+// src/types.ts
+function parse(map) {
+  return typeof map === "string" ? JSON.parse(map) : map;
+}
+
+// src/flatten-map.ts
+var FlattenMap = function(map, mapUrl) {
+  const parsed = parse(map);
+  if (!("sections" in parsed)) {
+    return new TraceMap(parsed, mapUrl);
+  }
+  const mappings = [];
+  const sources = [];
+  const sourcesContent = [];
+  const names = [];
+  const ignoreList = [];
+  recurse(
+    parsed,
+    mapUrl,
+    mappings,
+    sources,
+    sourcesContent,
+    names,
+    ignoreList,
+    0,
+    0,
+    Infinity,
+    Infinity
+  );
+  const joined = {
+    version: 3,
+    file: parsed.file,
+    names,
+    sources,
+    sourcesContent,
+    mappings,
+    ignoreList
+  };
+  return presortedDecodedMap(joined);
+};
+function recurse(input, mapUrl, mappings, sources, sourcesContent, names, ignoreList, lineOffset, columnOffset, stopLine, stopColumn) {
+  const { sections } = input;
+  for (let i = 0; i < sections.length; i++) {
+    const { map, offset } = sections[i];
+    let sl = stopLine;
+    let sc = stopColumn;
+    if (i + 1 < sections.length) {
+      const nextOffset = sections[i + 1].offset;
+      sl = Math.min(stopLine, lineOffset + nextOffset.line);
+      if (sl === stopLine) {
+        sc = Math.min(stopColumn, columnOffset + nextOffset.column);
+      } else if (sl < stopLine) {
+        sc = columnOffset + nextOffset.column;
+      }
+    }
+    addSection(
+      map,
+      mapUrl,
+      mappings,
+      sources,
+      sourcesContent,
+      names,
+      ignoreList,
+      lineOffset + offset.line,
+      columnOffset + offset.column,
+      sl,
+      sc
+    );
+  }
+}
+function addSection(input, mapUrl, mappings, sources, sourcesContent, names, ignoreList, lineOffset, columnOffset, stopLine, stopColumn) {
+  const parsed = parse(input);
+  if ("sections" in parsed) return recurse(...arguments);
+  const map = new TraceMap(parsed, mapUrl);
+  const sourcesOffset = sources.length;
+  const namesOffset = names.length;
+  const decoded = decodedMappings(map);
+  const { resolvedSources, sourcesContent: contents, ignoreList: ignores } = map;
+  append(sources, resolvedSources);
+  append(names, map.names);
+  if (contents) append(sourcesContent, contents);
+  else for (let i = 0; i < resolvedSources.length; i++) sourcesContent.push(null);
+  if (ignores) for (let i = 0; i < ignores.length; i++) ignoreList.push(ignores[i] + sourcesOffset);
+  for (let i = 0; i < decoded.length; i++) {
+    const lineI = lineOffset + i;
+    if (lineI > stopLine) return;
+    const out = getLine(mappings, lineI);
+    const cOffset = i === 0 ? columnOffset : 0;
+    const line = decoded[i];
+    for (let j = 0; j < line.length; j++) {
+      const seg = line[j];
+      const column = cOffset + seg[COLUMN];
+      if (lineI === stopLine && column >= stopColumn) return;
+      if (seg.length === 1) {
+        out.push([column]);
+        continue;
+      }
+      const sourcesIndex = sourcesOffset + seg[SOURCES_INDEX];
+      const sourceLine = seg[SOURCE_LINE];
+      const sourceColumn = seg[SOURCE_COLUMN];
+      out.push(
+        seg.length === 4 ? [column, sourcesIndex, sourceLine, sourceColumn] : [column, sourcesIndex, sourceLine, sourceColumn, namesOffset + seg[NAMES_INDEX]]
+      );
+    }
+  }
+}
+function append(arr, other) {
+  for (let i = 0; i < other.length; i++) arr.push(other[i]);
+}
+function getLine(arr, index) {
+  for (let i = arr.length; i <= index; i++) arr[i] = [];
+  return arr[index];
+}
+
+// src/trace-mapping.ts
+var LINE_GTR_ZERO = "`line` must be greater than 0 (lines start at line 1)";
+var COL_GTR_EQ_ZERO = "`column` must be greater than or equal to 0 (columns start at column 0)";
+var LEAST_UPPER_BOUND = -1;
+var GREATEST_LOWER_BOUND = 1;
+var TraceMap = class {
+  constructor(map, mapUrl) {
+    const isString = typeof map === "string";
+    if (!isString && map._decodedMemo) return map;
+    const parsed = parse(map);
+    const { version, file, names, sourceRoot, sources, sourcesContent } = parsed;
+    this.version = version;
+    this.file = file;
+    this.names = names || [];
+    this.sourceRoot = sourceRoot;
+    this.sources = sources;
+    this.sourcesContent = sourcesContent;
+    this.ignoreList = parsed.ignoreList || parsed.x_google_ignoreList || void 0;
+    const resolve = resolver(mapUrl, sourceRoot);
+    this.resolvedSources = sources.map(resolve);
+    const { mappings } = parsed;
+    if (typeof mappings === "string") {
+      this._encoded = mappings;
+      this._decoded = void 0;
+    } else if (Array.isArray(mappings)) {
+      this._encoded = void 0;
+      this._decoded = maybeSort(mappings, isString);
+    } else if (parsed.sections) {
+      throw new Error(`TraceMap passed sectioned source map, please use FlattenMap export instead`);
+    } else {
+      throw new Error(`invalid source map: ${JSON.stringify(parsed)}`);
+    }
+    this._decodedMemo = memoizedState();
+    this._bySources = void 0;
+    this._bySourceMemos = void 0;
+  }
+};
+function cast(map) {
+  return map;
+}
+function encodedMappings(map) {
+  var _a, _b;
+  return (_b = (_a = cast(map))._encoded) != null ? _b : _a._encoded = encode(cast(map)._decoded);
+}
+function decodedMappings(map) {
+  var _a;
+  return (_a = cast(map))._decoded || (_a._decoded = decode(cast(map)._encoded));
+}
+function traceSegment(map, line, column) {
+  const decoded = decodedMappings(map);
+  if (line >= decoded.length) return null;
+  const segments = decoded[line];
+  const index = traceSegmentInternal(
+    segments,
+    cast(map)._decodedMemo,
+    line,
+    column,
+    GREATEST_LOWER_BOUND
+  );
+  return index === -1 ? null : segments[index];
+}
+function originalPositionFor(map, needle) {
+  let { line, column, bias } = needle;
+  line--;
+  if (line < 0) throw new Error(LINE_GTR_ZERO);
+  if (column < 0) throw new Error(COL_GTR_EQ_ZERO);
+  const decoded = decodedMappings(map);
+  if (line >= decoded.length) return OMapping(null, null, null, null);
+  const segments = decoded[line];
+  const index = traceSegmentInternal(
+    segments,
+    cast(map)._decodedMemo,
+    line,
+    column,
+    bias || GREATEST_LOWER_BOUND
+  );
+  if (index === -1) return OMapping(null, null, null, null);
+  const segment = segments[index];
+  if (segment.length === 1) return OMapping(null, null, null, null);
+  const { names, resolvedSources } = map;
+  return OMapping(
+    resolvedSources[segment[SOURCES_INDEX]],
+    segment[SOURCE_LINE] + 1,
+    segment[SOURCE_COLUMN],
+    segment.length === 5 ? names[segment[NAMES_INDEX]] : null
+  );
+}
+function generatedPositionFor(map, needle) {
+  const { source, line, column, bias } = needle;
+  return generatedPosition(map, source, line, column, bias || GREATEST_LOWER_BOUND, false);
+}
+function allGeneratedPositionsFor(map, needle) {
+  const { source, line, column, bias } = needle;
+  return generatedPosition(map, source, line, column, bias || LEAST_UPPER_BOUND, true);
+}
+function eachMapping(map, cb) {
+  const decoded = decodedMappings(map);
+  const { names, resolvedSources } = map;
+  for (let i = 0; i < decoded.length; i++) {
+    const line = decoded[i];
+    for (let j = 0; j < line.length; j++) {
+      const seg = line[j];
+      const generatedLine = i + 1;
+      const generatedColumn = seg[0];
+      let source = null;
+      let originalLine = null;
+      let originalColumn = null;
+      let name = null;
+      if (seg.length !== 1) {
+        source = resolvedSources[seg[1]];
+        originalLine = seg[2] + 1;
+        originalColumn = seg[3];
+      }
+      if (seg.length === 5) name = names[seg[4]];
+      cb({
+        generatedLine,
+        generatedColumn,
+        source,
+        originalLine,
+        originalColumn,
+        name
+      });
+    }
+  }
+}
+function sourceIndex(map, source) {
+  const { sources, resolvedSources } = map;
+  let index = sources.indexOf(source);
+  if (index === -1) index = resolvedSources.indexOf(source);
+  return index;
+}
+function sourceContentFor(map, source) {
+  const { sourcesContent } = map;
+  if (sourcesContent == null) return null;
+  const index = sourceIndex(map, source);
+  return index === -1 ? null : sourcesContent[index];
+}
+function isIgnored(map, source) {
+  const { ignoreList } = map;
+  if (ignoreList == null) return false;
+  const index = sourceIndex(map, source);
+  return index === -1 ? false : ignoreList.includes(index);
+}
+function presortedDecodedMap(map, mapUrl) {
+  const tracer = new TraceMap(clone(map, []), mapUrl);
+  cast(tracer)._decoded = map.mappings;
+  return tracer;
+}
+function decodedMap(map) {
+  return clone(map, decodedMappings(map));
+}
+function encodedMap(map) {
+  return clone(map, encodedMappings(map));
+}
+function clone(map, mappings) {
+  return {
+    version: map.version,
+    file: map.file,
+    names: map.names,
+    sourceRoot: map.sourceRoot,
+    sources: map.sources,
+    sourcesContent: map.sourcesContent,
+    mappings,
+    ignoreList: map.ignoreList || map.x_google_ignoreList
+  };
+}
+function OMapping(source, line, column, name) {
+  return { source, line, column, name };
+}
+function GMapping(line, column) {
+  return { line, column };
+}
+function traceSegmentInternal(segments, memo, line, column, bias) {
+  let index = memoizedBinarySearch(segments, column, memo, line);
+  if (found) {
+    index = (bias === LEAST_UPPER_BOUND ? upperBound : lowerBound)(segments, column, index);
+  } else if (bias === LEAST_UPPER_BOUND) index++;
+  if (index === -1 || index === segments.length) return -1;
+  return index;
+}
+function sliceGeneratedPositions(segments, memo, line, column, bias) {
+  let min = traceSegmentInternal(segments, memo, line, column, GREATEST_LOWER_BOUND);
+  if (!found && bias === LEAST_UPPER_BOUND) min++;
+  if (min === -1 || min === segments.length) return [];
+  const matchedColumn = found ? column : segments[min][COLUMN];
+  if (!found) min = lowerBound(segments, matchedColumn, min);
+  const max = upperBound(segments, matchedColumn, min);
+  const result = [];
+  for (; min <= max; min++) {
+    const segment = segments[min];
+    result.push(GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]));
+  }
+  return result;
+}
+function generatedPosition(map, source, line, column, bias, all) {
+  var _a, _b;
+  line--;
+  if (line < 0) throw new Error(LINE_GTR_ZERO);
+  if (column < 0) throw new Error(COL_GTR_EQ_ZERO);
+  const { sources, resolvedSources } = map;
+  let sourceIndex2 = sources.indexOf(source);
+  if (sourceIndex2 === -1) sourceIndex2 = resolvedSources.indexOf(source);
+  if (sourceIndex2 === -1) return all ? [] : GMapping(null, null);
+  const bySourceMemos = (_a = cast(map))._bySourceMemos || (_a._bySourceMemos = sources.map(memoizedState));
+  const generated = (_b = cast(map))._bySources || (_b._bySources = buildBySources(decodedMappings(map), bySourceMemos));
+  const segments = generated[sourceIndex2][line];
+  if (segments == null) return all ? [] : GMapping(null, null);
+  const memo = bySourceMemos[sourceIndex2];
+  if (all) return sliceGeneratedPositions(segments, memo, line, column, bias);
+  const index = traceSegmentInternal(segments, memo, line, column, bias);
+  if (index === -1) return GMapping(null, null);
+  const segment = segments[index];
+  return GMapping(segment[REV_GENERATED_LINE] + 1, segment[REV_GENERATED_COLUMN]);
+}
+export {
+  FlattenMap as AnyMap,
+  FlattenMap,
+  GREATEST_LOWER_BOUND,
+  LEAST_UPPER_BOUND,
+  TraceMap,
+  allGeneratedPositionsFor,
+  decodedMap,
+  decodedMappings,
+  eachMapping,
+  encodedMap,
+  encodedMappings,
+  generatedPositionFor,
+  isIgnored,
+  originalPositionFor,
+  presortedDecodedMap,
+  sourceContentFor,
+  traceSegment
+};
+//# sourceMappingURL=trace-mapping.mjs.map