added babel

1 files changed, 307 insertions, 0 deletions

diff --git a/node_modules/@babel/generator/lib/buffer.js b/node_modules/@babel/generator/lib/buffer.js
new file mode 100644
index 00000000..b9574f87
--- /dev/null
+++ b/node_modules/@babel/generator/lib/buffer.js
@@ -0,0 +1,307 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+class Buffer {
+  constructor(map) {
+    this._map = null;
+    this._buf = "";
+    this._str = "";
+    this._appendCount = 0;
+    this._last = 0;
+    this._queue = [];
+    this._queueCursor = 0;
+    this._canMarkIdName = true;
+    this._position = {
+      line: 1,
+      column: 0
+    };
+    this._sourcePosition = {
+      identifierName: undefined,
+      identifierNamePos: undefined,
+      line: undefined,
+      column: undefined,
+      filename: undefined
+    };
+    this._map = map;
+    this._allocQueue();
+  }
+  _allocQueue() {
+    const queue = this._queue;
+    for (let i = 0; i < 16; i++) {
+      queue.push({
+        char: 0,
+        repeat: 1,
+        line: undefined,
+        column: undefined,
+        identifierName: undefined,
+        identifierNamePos: undefined,
+        filename: ""
+      });
+    }
+  }
+  _pushQueue(char, repeat, line, column, filename) {
+    const cursor = this._queueCursor;
+    if (cursor === this._queue.length) {
+      this._allocQueue();
+    }
+    const item = this._queue[cursor];
+    item.char = char;
+    item.repeat = repeat;
+    item.line = line;
+    item.column = column;
+    item.filename = filename;
+    this._queueCursor++;
+  }
+  _popQueue() {
+    if (this._queueCursor === 0) {
+      throw new Error("Cannot pop from empty queue");
+    }
+    return this._queue[--this._queueCursor];
+  }
+  get() {
+    this._flush();
+    const map = this._map;
+    const result = {
+      code: (this._buf + this._str).trimRight(),
+      decodedMap: map == null ? void 0 : map.getDecoded(),
+      get __mergedMap() {
+        return this.map;
+      },
+      get map() {
+        const resultMap = map ? map.get() : null;
+        result.map = resultMap;
+        return resultMap;
+      },
+      set map(value) {
+        Object.defineProperty(result, "map", {
+          value,
+          writable: true
+        });
+      },
+      get rawMappings() {
+        const mappings = map == null ? void 0 : map.getRawMappings();
+        result.rawMappings = mappings;
+        return mappings;
+      },
+      set rawMappings(value) {
+        Object.defineProperty(result, "rawMappings", {
+          value,
+          writable: true
+        });
+      }
+    };
+    return result;
+  }
+  append(str, maybeNewline) {
+    this._flush();
+    this._append(str, this._sourcePosition, maybeNewline);
+  }
+  appendChar(char) {
+    this._flush();
+    this._appendChar(char, 1, this._sourcePosition);
+  }
+  queue(char) {
+    if (char === 10) {
+      while (this._queueCursor !== 0) {
+        const char = this._queue[this._queueCursor - 1].char;
+        if (char !== 32 && char !== 9) {
+          break;
+        }
+        this._queueCursor--;
+      }
+    }
+    const sourcePosition = this._sourcePosition;
+    this._pushQueue(char, 1, sourcePosition.line, sourcePosition.column, sourcePosition.filename);
+  }
+  queueIndentation(char, repeat) {
+    this._pushQueue(char, repeat, undefined, undefined, undefined);
+  }
+  _flush() {
+    const queueCursor = this._queueCursor;
+    const queue = this._queue;
+    for (let i = 0; i < queueCursor; i++) {
+      const item = queue[i];
+      this._appendChar(item.char, item.repeat, item);
+    }
+    this._queueCursor = 0;
+  }
+  _appendChar(char, repeat, sourcePos) {
+    this._last = char;
+    this._str += repeat > 1 ? String.fromCharCode(char).repeat(repeat) : String.fromCharCode(char);
+    if (char !== 10) {
+      this._mark(sourcePos.line, sourcePos.column, sourcePos.identifierName, sourcePos.identifierNamePos, sourcePos.filename);
+      this._position.column += repeat;
+    } else {
+      this._position.line++;
+      this._position.column = 0;
+    }
+    if (this._canMarkIdName) {
+      sourcePos.identifierName = undefined;
+      sourcePos.identifierNamePos = undefined;
+    }
+  }
+  _append(str, sourcePos, maybeNewline) {
+    const len = str.length;
+    const position = this._position;
+    this._last = str.charCodeAt(len - 1);
+    if (++this._appendCount > 4096) {
+      +this._str;
+      this._buf += this._str;
+      this._str = str;
+      this._appendCount = 0;
+    } else {
+      this._str += str;
+    }
+    if (!maybeNewline && !this._map) {
+      position.column += len;
+      return;
+    }
+    const {
+      column,
+      identifierName,
+      identifierNamePos,
+      filename
+    } = sourcePos;
+    let line = sourcePos.line;
+    if ((identifierName != null || identifierNamePos != null) && this._canMarkIdName) {
+      sourcePos.identifierName = undefined;
+      sourcePos.identifierNamePos = undefined;
+    }
+    let i = str.indexOf("\n");
+    let last = 0;
+    if (i !== 0) {
+      this._mark(line, column, identifierName, identifierNamePos, filename);
+    }
+    while (i !== -1) {
+      position.line++;
+      position.column = 0;
+      last = i + 1;
+      if (last < len && line !== undefined) {
+        this._mark(++line, 0, null, null, filename);
+      }
+      i = str.indexOf("\n", last);
+    }
+    position.column += len - last;
+  }
+  _mark(line, column, identifierName, identifierNamePos, filename) {
+    var _this$_map;
+    (_this$_map = this._map) == null ? void 0 : _this$_map.mark(this._position, line, column, identifierName, identifierNamePos, filename);
+  }
+  removeTrailingNewline() {
+    const queueCursor = this._queueCursor;
+    if (queueCursor !== 0 && this._queue[queueCursor - 1].char === 10) {
+      this._queueCursor--;
+    }
+  }
+  removeLastSemicolon() {
+    const queueCursor = this._queueCursor;
+    if (queueCursor !== 0 && this._queue[queueCursor - 1].char === 59) {
+      this._queueCursor--;
+    }
+  }
+  getLastChar() {
+    const queueCursor = this._queueCursor;
+    return queueCursor !== 0 ? this._queue[queueCursor - 1].char : this._last;
+  }
+  getNewlineCount() {
+    const queueCursor = this._queueCursor;
+    let count = 0;
+    if (queueCursor === 0) return this._last === 10 ? 1 : 0;
+    for (let i = queueCursor - 1; i >= 0; i--) {
+      if (this._queue[i].char !== 10) {
+        break;
+      }
+      count++;
+    }
+    return count === queueCursor && this._last === 10 ? count + 1 : count;
+  }
+  endsWithCharAndNewline() {
+    const queue = this._queue;
+    const queueCursor = this._queueCursor;
+    if (queueCursor !== 0) {
+      const lastCp = queue[queueCursor - 1].char;
+      if (lastCp !== 10) return;
+      if (queueCursor > 1) {
+        return queue[queueCursor - 2].char;
+      } else {
+        return this._last;
+      }
+    }
+  }
+  hasContent() {
+    return this._queueCursor !== 0 || !!this._last;
+  }
+  exactSource(loc, cb) {
+    if (!this._map) {
+      cb();
+      return;
+    }
+    this.source("start", loc);
+    const identifierName = loc.identifierName;
+    const sourcePos = this._sourcePosition;
+    if (identifierName) {
+      this._canMarkIdName = false;
+      sourcePos.identifierName = identifierName;
+    }
+    cb();
+    if (identifierName) {
+      this._canMarkIdName = true;
+      sourcePos.identifierName = undefined;
+      sourcePos.identifierNamePos = undefined;
+    }
+    this.source("end", loc);
+  }
+  source(prop, loc) {
+    if (!this._map) return;
+    this._normalizePosition(prop, loc, 0);
+  }
+  sourceWithOffset(prop, loc, columnOffset) {
+    if (!this._map) return;
+    this._normalizePosition(prop, loc, columnOffset);
+  }
+  withSource(prop, loc, cb) {
+    if (this._map) {
+      this.source(prop, loc);
+    }
+    cb();
+  }
+  _normalizePosition(prop, loc, columnOffset) {
+    const pos = loc[prop];
+    const target = this._sourcePosition;
+    if (pos) {
+      target.line = pos.line;
+      target.column = Math.max(pos.column + columnOffset, 0);
+      target.filename = loc.filename;
+    }
+  }
+  getCurrentColumn() {
+    const queue = this._queue;
+    const queueCursor = this._queueCursor;
+    let lastIndex = -1;
+    let len = 0;
+    for (let i = 0; i < queueCursor; i++) {
+      const item = queue[i];
+      if (item.char === 10) {
+        lastIndex = len;
+      }
+      len += item.repeat;
+    }
+    return lastIndex === -1 ? this._position.column + len : len - 1 - lastIndex;
+  }
+  getCurrentLine() {
+    let count = 0;
+    const queue = this._queue;
+    for (let i = 0; i < this._queueCursor; i++) {
+      if (queue[i].char === 10) {
+        count++;
+      }
+    }
+    return this._position.line + count;
+  }
+}
+exports.default = Buffer;
+
+//# sourceMappingURL=buffer.js.map