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

1 files changed, 295 insertions, 0 deletions

diff --git a/vanilla/node_modules/@babel/helper-string-parser/lib/index.js b/vanilla/node_modules/@babel/helper-string-parser/lib/index.js
new file mode 100644
index 0000000..2d94115
--- /dev/null
+++ b/vanilla/node_modules/@babel/helper-string-parser/lib/index.js
@@ -0,0 +1,295 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.readCodePoint = readCodePoint;
+exports.readInt = readInt;
+exports.readStringContents = readStringContents;
+var _isDigit = function isDigit(code) {
+  return code >= 48 && code <= 57;
+};
+const forbiddenNumericSeparatorSiblings = {
+  decBinOct: new Set([46, 66, 69, 79, 95, 98, 101, 111]),
+  hex: new Set([46, 88, 95, 120])
+};
+const isAllowedNumericSeparatorSibling = {
+  bin: ch => ch === 48 || ch === 49,
+  oct: ch => ch >= 48 && ch <= 55,
+  dec: ch => ch >= 48 && ch <= 57,
+  hex: ch => ch >= 48 && ch <= 57 || ch >= 65 && ch <= 70 || ch >= 97 && ch <= 102
+};
+function readStringContents(type, input, pos, lineStart, curLine, errors) {
+  const initialPos = pos;
+  const initialLineStart = lineStart;
+  const initialCurLine = curLine;
+  let out = "";
+  let firstInvalidLoc = null;
+  let chunkStart = pos;
+  const {
+    length
+  } = input;
+  for (;;) {
+    if (pos >= length) {
+      errors.unterminated(initialPos, initialLineStart, initialCurLine);
+      out += input.slice(chunkStart, pos);
+      break;
+    }
+    const ch = input.charCodeAt(pos);
+    if (isStringEnd(type, ch, input, pos)) {
+      out += input.slice(chunkStart, pos);
+      break;
+    }
+    if (ch === 92) {
+      out += input.slice(chunkStart, pos);
+      const res = readEscapedChar(input, pos, lineStart, curLine, type === "template", errors);
+      if (res.ch === null && !firstInvalidLoc) {
+        firstInvalidLoc = {
+          pos,
+          lineStart,
+          curLine
+        };
+      } else {
+        out += res.ch;
+      }
+      ({
+        pos,
+        lineStart,
+        curLine
+      } = res);
+      chunkStart = pos;
+    } else if (ch === 8232 || ch === 8233) {
+      ++pos;
+      ++curLine;
+      lineStart = pos;
+    } else if (ch === 10 || ch === 13) {
+      if (type === "template") {
+        out += input.slice(chunkStart, pos) + "\n";
+        ++pos;
+        if (ch === 13 && input.charCodeAt(pos) === 10) {
+          ++pos;
+        }
+        ++curLine;
+        chunkStart = lineStart = pos;
+      } else {
+        errors.unterminated(initialPos, initialLineStart, initialCurLine);
+      }
+    } else {
+      ++pos;
+    }
+  }
+  return {
+    pos,
+    str: out,
+    firstInvalidLoc,
+    lineStart,
+    curLine,
+    containsInvalid: !!firstInvalidLoc
+  };
+}
+function isStringEnd(type, ch, input, pos) {
+  if (type === "template") {
+    return ch === 96 || ch === 36 && input.charCodeAt(pos + 1) === 123;
+  }
+  return ch === (type === "double" ? 34 : 39);
+}
+function readEscapedChar(input, pos, lineStart, curLine, inTemplate, errors) {
+  const throwOnInvalid = !inTemplate;
+  pos++;
+  const res = ch => ({
+    pos,
+    ch,
+    lineStart,
+    curLine
+  });
+  const ch = input.charCodeAt(pos++);
+  switch (ch) {
+    case 110:
+      return res("\n");
+    case 114:
+      return res("\r");
+    case 120:
+      {
+        let code;
+        ({
+          code,
+          pos
+        } = readHexChar(input, pos, lineStart, curLine, 2, false, throwOnInvalid, errors));
+        return res(code === null ? null : String.fromCharCode(code));
+      }
+    case 117:
+      {
+        let code;
+        ({
+          code,
+          pos
+        } = readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors));
+        return res(code === null ? null : String.fromCodePoint(code));
+      }
+    case 116:
+      return res("\t");
+    case 98:
+      return res("\b");
+    case 118:
+      return res("\u000b");
+    case 102:
+      return res("\f");
+    case 13:
+      if (input.charCodeAt(pos) === 10) {
+        ++pos;
+      }
+    case 10:
+      lineStart = pos;
+      ++curLine;
+    case 8232:
+    case 8233:
+      return res("");
+    case 56:
+    case 57:
+      if (inTemplate) {
+        return res(null);
+      } else {
+        errors.strictNumericEscape(pos - 1, lineStart, curLine);
+      }
+    default:
+      if (ch >= 48 && ch <= 55) {
+        const startPos = pos - 1;
+        const match = /^[0-7]+/.exec(input.slice(startPos, pos + 2));
+        let octalStr = match[0];
+        let octal = parseInt(octalStr, 8);
+        if (octal > 255) {
+          octalStr = octalStr.slice(0, -1);
+          octal = parseInt(octalStr, 8);
+        }
+        pos += octalStr.length - 1;
+        const next = input.charCodeAt(pos);
+        if (octalStr !== "0" || next === 56 || next === 57) {
+          if (inTemplate) {
+            return res(null);
+          } else {
+            errors.strictNumericEscape(startPos, lineStart, curLine);
+          }
+        }
+        return res(String.fromCharCode(octal));
+      }
+      return res(String.fromCharCode(ch));
+  }
+}
+function readHexChar(input, pos, lineStart, curLine, len, forceLen, throwOnInvalid, errors) {
+  const initialPos = pos;
+  let n;
+  ({
+    n,
+    pos
+  } = readInt(input, pos, lineStart, curLine, 16, len, forceLen, false, errors, !throwOnInvalid));
+  if (n === null) {
+    if (throwOnInvalid) {
+      errors.invalidEscapeSequence(initialPos, lineStart, curLine);
+    } else {
+      pos = initialPos - 1;
+    }
+  }
+  return {
+    code: n,
+    pos
+  };
+}
+function readInt(input, pos, lineStart, curLine, radix, len, forceLen, allowNumSeparator, errors, bailOnError) {
+  const start = pos;
+  const forbiddenSiblings = radix === 16 ? forbiddenNumericSeparatorSiblings.hex : forbiddenNumericSeparatorSiblings.decBinOct;
+  const isAllowedSibling = radix === 16 ? isAllowedNumericSeparatorSibling.hex : radix === 10 ? isAllowedNumericSeparatorSibling.dec : radix === 8 ? isAllowedNumericSeparatorSibling.oct : isAllowedNumericSeparatorSibling.bin;
+  let invalid = false;
+  let total = 0;
+  for (let i = 0, e = len == null ? Infinity : len; i < e; ++i) {
+    const code = input.charCodeAt(pos);
+    let val;
+    if (code === 95 && allowNumSeparator !== "bail") {
+      const prev = input.charCodeAt(pos - 1);
+      const next = input.charCodeAt(pos + 1);
+      if (!allowNumSeparator) {
+        if (bailOnError) return {
+          n: null,
+          pos
+        };
+        errors.numericSeparatorInEscapeSequence(pos, lineStart, curLine);
+      } else if (Number.isNaN(next) || !isAllowedSibling(next) || forbiddenSiblings.has(prev) || forbiddenSiblings.has(next)) {
+        if (bailOnError) return {
+          n: null,
+          pos
+        };
+        errors.unexpectedNumericSeparator(pos, lineStart, curLine);
+      }
+      ++pos;
+      continue;
+    }
+    if (code >= 97) {
+      val = code - 97 + 10;
+    } else if (code >= 65) {
+      val = code - 65 + 10;
+    } else if (_isDigit(code)) {
+      val = code - 48;
+    } else {
+      val = Infinity;
+    }
+    if (val >= radix) {
+      if (val <= 9 && bailOnError) {
+        return {
+          n: null,
+          pos
+        };
+      } else if (val <= 9 && errors.invalidDigit(pos, lineStart, curLine, radix)) {
+        val = 0;
+      } else if (forceLen) {
+        val = 0;
+        invalid = true;
+      } else {
+        break;
+      }
+    }
+    ++pos;
+    total = total * radix + val;
+  }
+  if (pos === start || len != null && pos - start !== len || invalid) {
+    return {
+      n: null,
+      pos
+    };
+  }
+  return {
+    n: total,
+    pos
+  };
+}
+function readCodePoint(input, pos, lineStart, curLine, throwOnInvalid, errors) {
+  const ch = input.charCodeAt(pos);
+  let code;
+  if (ch === 123) {
+    ++pos;
+    ({
+      code,
+      pos
+    } = readHexChar(input, pos, lineStart, curLine, input.indexOf("}", pos) - pos, true, throwOnInvalid, errors));
+    ++pos;
+    if (code !== null && code > 0x10ffff) {
+      if (throwOnInvalid) {
+        errors.invalidCodePoint(pos, lineStart, curLine);
+      } else {
+        return {
+          code: null,
+          pos
+        };
+      }
+    }
+  } else {
+    ({
+      code,
+      pos
+    } = readHexChar(input, pos, lineStart, curLine, 4, false, throwOnInvalid, errors));
+  }
+  return {
+    code,
+    pos
+  };
+}
+
+//# sourceMappingURL=index.js.map