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

1 files changed, 464 insertions, 0 deletions

diff --git a/vanilla/node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js b/vanilla/node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js
new file mode 100644
index 0000000..2d8e459
--- /dev/null
+++ b/vanilla/node_modules/@jridgewell/sourcemap-codec/dist/sourcemap-codec.umd.js
@@ -0,0 +1,464 @@
+(function (global, factory) {
+  if (typeof exports === 'object' && typeof module !== 'undefined') {
+    factory(module);
+    module.exports = def(module);
+  } else if (typeof define === 'function' && define.amd) {
+    define(['module'], function(mod) {
+      factory.apply(this, arguments);
+      mod.exports = def(mod);
+    });
+  } else {
+    const mod = { exports: {} };
+    factory(mod);
+    global = typeof globalThis !== 'undefined' ? globalThis : global || self;
+    global.sourcemapCodec = def(mod);
+  }
+  function def(m) { return 'default' in m.exports ? m.exports.default : m.exports; }
+})(this, (function (module) {
+"use strict";
+var __defProp = Object.defineProperty;
+var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+var __getOwnPropNames = Object.getOwnPropertyNames;
+var __hasOwnProp = Object.prototype.hasOwnProperty;
+var __export = (target, all) => {
+  for (var name in all)
+    __defProp(target, name, { get: all[name], enumerable: true });
+};
+var __copyProps = (to, from, except, desc) => {
+  if (from && typeof from === "object" || typeof from === "function") {
+    for (let key of __getOwnPropNames(from))
+      if (!__hasOwnProp.call(to, key) && key !== except)
+        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
+  }
+  return to;
+};
+var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
+
+// src/sourcemap-codec.ts
+var sourcemap_codec_exports = {};
+__export(sourcemap_codec_exports, {
+  decode: () => decode,
+  decodeGeneratedRanges: () => decodeGeneratedRanges,
+  decodeOriginalScopes: () => decodeOriginalScopes,
+  encode: () => encode,
+  encodeGeneratedRanges: () => encodeGeneratedRanges,
+  encodeOriginalScopes: () => encodeOriginalScopes
+});
+module.exports = __toCommonJS(sourcemap_codec_exports);
+
+// src/vlq.ts
+var comma = ",".charCodeAt(0);
+var semicolon = ";".charCodeAt(0);
+var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+var intToChar = new Uint8Array(64);
+var charToInt = new Uint8Array(128);
+for (let i = 0; i < chars.length; i++) {
+  const c = chars.charCodeAt(i);
+  intToChar[i] = c;
+  charToInt[c] = i;
+}
+function decodeInteger(reader, relative) {
+  let value = 0;
+  let shift = 0;
+  let integer = 0;
+  do {
+    const c = reader.next();
+    integer = charToInt[c];
+    value |= (integer & 31) << shift;
+    shift += 5;
+  } while (integer & 32);
+  const shouldNegate = value & 1;
+  value >>>= 1;
+  if (shouldNegate) {
+    value = -2147483648 | -value;
+  }
+  return relative + value;
+}
+function encodeInteger(builder, num, relative) {
+  let delta = num - relative;
+  delta = delta < 0 ? -delta << 1 | 1 : delta << 1;
+  do {
+    let clamped = delta & 31;
+    delta >>>= 5;
+    if (delta > 0) clamped |= 32;
+    builder.write(intToChar[clamped]);
+  } while (delta > 0);
+  return num;
+}
+function hasMoreVlq(reader, max) {
+  if (reader.pos >= max) return false;
+  return reader.peek() !== comma;
+}
+
+// src/strings.ts
+var bufLength = 1024 * 16;
+var td = typeof TextDecoder !== "undefined" ? /* @__PURE__ */ new TextDecoder() : typeof Buffer !== "undefined" ? {
+  decode(buf) {
+    const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
+    return out.toString();
+  }
+} : {
+  decode(buf) {
+    let out = "";
+    for (let i = 0; i < buf.length; i++) {
+      out += String.fromCharCode(buf[i]);
+    }
+    return out;
+  }
+};
+var StringWriter = class {
+  constructor() {
+    this.pos = 0;
+    this.out = "";
+    this.buffer = new Uint8Array(bufLength);
+  }
+  write(v) {
+    const { buffer } = this;
+    buffer[this.pos++] = v;
+    if (this.pos === bufLength) {
+      this.out += td.decode(buffer);
+      this.pos = 0;
+    }
+  }
+  flush() {
+    const { buffer, out, pos } = this;
+    return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
+  }
+};
+var StringReader = class {
+  constructor(buffer) {
+    this.pos = 0;
+    this.buffer = buffer;
+  }
+  next() {
+    return this.buffer.charCodeAt(this.pos++);
+  }
+  peek() {
+    return this.buffer.charCodeAt(this.pos);
+  }
+  indexOf(char) {
+    const { buffer, pos } = this;
+    const idx = buffer.indexOf(char, pos);
+    return idx === -1 ? buffer.length : idx;
+  }
+};
+
+// src/scopes.ts
+var EMPTY = [];
+function decodeOriginalScopes(input) {
+  const { length } = input;
+  const reader = new StringReader(input);
+  const scopes = [];
+  const stack = [];
+  let line = 0;
+  for (; reader.pos < length; reader.pos++) {
+    line = decodeInteger(reader, line);
+    const column = decodeInteger(reader, 0);
+    if (!hasMoreVlq(reader, length)) {
+      const last = stack.pop();
+      last[2] = line;
+      last[3] = column;
+      continue;
+    }
+    const kind = decodeInteger(reader, 0);
+    const fields = decodeInteger(reader, 0);
+    const hasName = fields & 1;
+    const scope = hasName ? [line, column, 0, 0, kind, decodeInteger(reader, 0)] : [line, column, 0, 0, kind];
+    let vars = EMPTY;
+    if (hasMoreVlq(reader, length)) {
+      vars = [];
+      do {
+        const varsIndex = decodeInteger(reader, 0);
+        vars.push(varsIndex);
+      } while (hasMoreVlq(reader, length));
+    }
+    scope.vars = vars;
+    scopes.push(scope);
+    stack.push(scope);
+  }
+  return scopes;
+}
+function encodeOriginalScopes(scopes) {
+  const writer = new StringWriter();
+  for (let i = 0; i < scopes.length; ) {
+    i = _encodeOriginalScopes(scopes, i, writer, [0]);
+  }
+  return writer.flush();
+}
+function _encodeOriginalScopes(scopes, index, writer, state) {
+  const scope = scopes[index];
+  const { 0: startLine, 1: startColumn, 2: endLine, 3: endColumn, 4: kind, vars } = scope;
+  if (index > 0) writer.write(comma);
+  state[0] = encodeInteger(writer, startLine, state[0]);
+  encodeInteger(writer, startColumn, 0);
+  encodeInteger(writer, kind, 0);
+  const fields = scope.length === 6 ? 1 : 0;
+  encodeInteger(writer, fields, 0);
+  if (scope.length === 6) encodeInteger(writer, scope[5], 0);
+  for (const v of vars) {
+    encodeInteger(writer, v, 0);
+  }
+  for (index++; index < scopes.length; ) {
+    const next = scopes[index];
+    const { 0: l, 1: c } = next;
+    if (l > endLine || l === endLine && c >= endColumn) {
+      break;
+    }
+    index = _encodeOriginalScopes(scopes, index, writer, state);
+  }
+  writer.write(comma);
+  state[0] = encodeInteger(writer, endLine, state[0]);
+  encodeInteger(writer, endColumn, 0);
+  return index;
+}
+function decodeGeneratedRanges(input) {
+  const { length } = input;
+  const reader = new StringReader(input);
+  const ranges = [];
+  const stack = [];
+  let genLine = 0;
+  let definitionSourcesIndex = 0;
+  let definitionScopeIndex = 0;
+  let callsiteSourcesIndex = 0;
+  let callsiteLine = 0;
+  let callsiteColumn = 0;
+  let bindingLine = 0;
+  let bindingColumn = 0;
+  do {
+    const semi = reader.indexOf(";");
+    let genColumn = 0;
+    for (; reader.pos < semi; reader.pos++) {
+      genColumn = decodeInteger(reader, genColumn);
+      if (!hasMoreVlq(reader, semi)) {
+        const last = stack.pop();
+        last[2] = genLine;
+        last[3] = genColumn;
+        continue;
+      }
+      const fields = decodeInteger(reader, 0);
+      const hasDefinition = fields & 1;
+      const hasCallsite = fields & 2;
+      const hasScope = fields & 4;
+      let callsite = null;
+      let bindings = EMPTY;
+      let range;
+      if (hasDefinition) {
+        const defSourcesIndex = decodeInteger(reader, definitionSourcesIndex);
+        definitionScopeIndex = decodeInteger(
+          reader,
+          definitionSourcesIndex === defSourcesIndex ? definitionScopeIndex : 0
+        );
+        definitionSourcesIndex = defSourcesIndex;
+        range = [genLine, genColumn, 0, 0, defSourcesIndex, definitionScopeIndex];
+      } else {
+        range = [genLine, genColumn, 0, 0];
+      }
+      range.isScope = !!hasScope;
+      if (hasCallsite) {
+        const prevCsi = callsiteSourcesIndex;
+        const prevLine = callsiteLine;
+        callsiteSourcesIndex = decodeInteger(reader, callsiteSourcesIndex);
+        const sameSource = prevCsi === callsiteSourcesIndex;
+        callsiteLine = decodeInteger(reader, sameSource ? callsiteLine : 0);
+        callsiteColumn = decodeInteger(
+          reader,
+          sameSource && prevLine === callsiteLine ? callsiteColumn : 0
+        );
+        callsite = [callsiteSourcesIndex, callsiteLine, callsiteColumn];
+      }
+      range.callsite = callsite;
+      if (hasMoreVlq(reader, semi)) {
+        bindings = [];
+        do {
+          bindingLine = genLine;
+          bindingColumn = genColumn;
+          const expressionsCount = decodeInteger(reader, 0);
+          let expressionRanges;
+          if (expressionsCount < -1) {
+            expressionRanges = [[decodeInteger(reader, 0)]];
+            for (let i = -1; i > expressionsCount; i--) {
+              const prevBl = bindingLine;
+              bindingLine = decodeInteger(reader, bindingLine);
+              bindingColumn = decodeInteger(reader, bindingLine === prevBl ? bindingColumn : 0);
+              const expression = decodeInteger(reader, 0);
+              expressionRanges.push([expression, bindingLine, bindingColumn]);
+            }
+          } else {
+            expressionRanges = [[expressionsCount]];
+          }
+          bindings.push(expressionRanges);
+        } while (hasMoreVlq(reader, semi));
+      }
+      range.bindings = bindings;
+      ranges.push(range);
+      stack.push(range);
+    }
+    genLine++;
+    reader.pos = semi + 1;
+  } while (reader.pos < length);
+  return ranges;
+}
+function encodeGeneratedRanges(ranges) {
+  if (ranges.length === 0) return "";
+  const writer = new StringWriter();
+  for (let i = 0; i < ranges.length; ) {
+    i = _encodeGeneratedRanges(ranges, i, writer, [0, 0, 0, 0, 0, 0, 0]);
+  }
+  return writer.flush();
+}
+function _encodeGeneratedRanges(ranges, index, writer, state) {
+  const range = ranges[index];
+  const {
+    0: startLine,
+    1: startColumn,
+    2: endLine,
+    3: endColumn,
+    isScope,
+    callsite,
+    bindings
+  } = range;
+  if (state[0] < startLine) {
+    catchupLine(writer, state[0], startLine);
+    state[0] = startLine;
+    state[1] = 0;
+  } else if (index > 0) {
+    writer.write(comma);
+  }
+  state[1] = encodeInteger(writer, range[1], state[1]);
+  const fields = (range.length === 6 ? 1 : 0) | (callsite ? 2 : 0) | (isScope ? 4 : 0);
+  encodeInteger(writer, fields, 0);
+  if (range.length === 6) {
+    const { 4: sourcesIndex, 5: scopesIndex } = range;
+    if (sourcesIndex !== state[2]) {
+      state[3] = 0;
+    }
+    state[2] = encodeInteger(writer, sourcesIndex, state[2]);
+    state[3] = encodeInteger(writer, scopesIndex, state[3]);
+  }
+  if (callsite) {
+    const { 0: sourcesIndex, 1: callLine, 2: callColumn } = range.callsite;
+    if (sourcesIndex !== state[4]) {
+      state[5] = 0;
+      state[6] = 0;
+    } else if (callLine !== state[5]) {
+      state[6] = 0;
+    }
+    state[4] = encodeInteger(writer, sourcesIndex, state[4]);
+    state[5] = encodeInteger(writer, callLine, state[5]);
+    state[6] = encodeInteger(writer, callColumn, state[6]);
+  }
+  if (bindings) {
+    for (const binding of bindings) {
+      if (binding.length > 1) encodeInteger(writer, -binding.length, 0);
+      const expression = binding[0][0];
+      encodeInteger(writer, expression, 0);
+      let bindingStartLine = startLine;
+      let bindingStartColumn = startColumn;
+      for (let i = 1; i < binding.length; i++) {
+        const expRange = binding[i];
+        bindingStartLine = encodeInteger(writer, expRange[1], bindingStartLine);
+        bindingStartColumn = encodeInteger(writer, expRange[2], bindingStartColumn);
+        encodeInteger(writer, expRange[0], 0);
+      }
+    }
+  }
+  for (index++; index < ranges.length; ) {
+    const next = ranges[index];
+    const { 0: l, 1: c } = next;
+    if (l > endLine || l === endLine && c >= endColumn) {
+      break;
+    }
+    index = _encodeGeneratedRanges(ranges, index, writer, state);
+  }
+  if (state[0] < endLine) {
+    catchupLine(writer, state[0], endLine);
+    state[0] = endLine;
+    state[1] = 0;
+  } else {
+    writer.write(comma);
+  }
+  state[1] = encodeInteger(writer, endColumn, state[1]);
+  return index;
+}
+function catchupLine(writer, lastLine, line) {
+  do {
+    writer.write(semicolon);
+  } while (++lastLine < line);
+}
+
+// src/sourcemap-codec.ts
+function decode(mappings) {
+  const { length } = mappings;
+  const reader = new StringReader(mappings);
+  const decoded = [];
+  let genColumn = 0;
+  let sourcesIndex = 0;
+  let sourceLine = 0;
+  let sourceColumn = 0;
+  let namesIndex = 0;
+  do {
+    const semi = reader.indexOf(";");
+    const line = [];
+    let sorted = true;
+    let lastCol = 0;
+    genColumn = 0;
+    while (reader.pos < semi) {
+      let seg;
+      genColumn = decodeInteger(reader, genColumn);
+      if (genColumn < lastCol) sorted = false;
+      lastCol = genColumn;
+      if (hasMoreVlq(reader, semi)) {
+        sourcesIndex = decodeInteger(reader, sourcesIndex);
+        sourceLine = decodeInteger(reader, sourceLine);
+        sourceColumn = decodeInteger(reader, sourceColumn);
+        if (hasMoreVlq(reader, semi)) {
+          namesIndex = decodeInteger(reader, namesIndex);
+          seg = [genColumn, sourcesIndex, sourceLine, sourceColumn, namesIndex];
+        } else {
+          seg = [genColumn, sourcesIndex, sourceLine, sourceColumn];
+        }
+      } else {
+        seg = [genColumn];
+      }
+      line.push(seg);
+      reader.pos++;
+    }
+    if (!sorted) sort(line);
+    decoded.push(line);
+    reader.pos = semi + 1;
+  } while (reader.pos <= length);
+  return decoded;
+}
+function sort(line) {
+  line.sort(sortComparator);
+}
+function sortComparator(a, b) {
+  return a[0] - b[0];
+}
+function encode(decoded) {
+  const writer = new StringWriter();
+  let sourcesIndex = 0;
+  let sourceLine = 0;
+  let sourceColumn = 0;
+  let namesIndex = 0;
+  for (let i = 0; i < decoded.length; i++) {
+    const line = decoded[i];
+    if (i > 0) writer.write(semicolon);
+    if (line.length === 0) continue;
+    let genColumn = 0;
+    for (let j = 0; j < line.length; j++) {
+      const segment = line[j];
+      if (j > 0) writer.write(comma);
+      genColumn = encodeInteger(writer, segment[0], genColumn);
+      if (segment.length === 1) continue;
+      sourcesIndex = encodeInteger(writer, segment[1], sourcesIndex);
+      sourceLine = encodeInteger(writer, segment[2], sourceLine);
+      sourceColumn = encodeInteger(writer, segment[3], sourceColumn);
+      if (segment.length === 4) continue;
+      namesIndex = encodeInteger(writer, segment[4], namesIndex);
+    }
+  }
+  return writer.flush();
+}
+}));
+//# sourceMappingURL=sourcemap-codec.umd.js.map