Refactor code structure for improved readability and maintainability

client/node_modules/@babel/generator/lib/buffer.js

@@ -0,0 +1,244 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+const spaceIndents = [];
+for (let i = 0; i < 32; i++) {
+  spaceIndents.push(" ".repeat(i * 2));
+}
+class Buffer {
+  constructor(map, indentChar) {
+    this._map = null;
+    this._buf = "";
+    this._str = "";
+    this._appendCount = 0;
+    this._last = 0;
+    this._canMarkIdName = true;
+    this._indentChar = "";
+    this._queuedChar = 0;
+    this._position = {
+      line: 1,
+      column: 0
+    };
+    this._sourcePosition = {
+      identifierName: undefined,
+      identifierNamePos: undefined,
+      line: undefined,
+      column: undefined,
+      filename: undefined
+    };
+    this._map = map;
+    this._indentChar = indentChar;
+  }
+  get() {
+    const {
+      _map,
+      _last
+    } = this;
+    if (this._queuedChar !== 32) {
+      this._flush();
+    }
+    const code = _last === 10 ? (this._buf + this._str).trimRight() : this._buf + this._str;
+    if (_map === null) {
+      return {
+        code: code,
+        decodedMap: undefined,
+        map: null,
+        rawMappings: undefined
+      };
+    }
+    const result = {
+      code: code,
+      decodedMap: _map.getDecoded(),
+      get __mergedMap() {
+        return this.map;
+      },
+      get map() {
+        const resultMap = _map.get();
+        result.map = resultMap;
+        return resultMap;
+      },
+      set map(value) {
+        Object.defineProperty(result, "map", {
+          value,
+          writable: true
+        });
+      },
+      get rawMappings() {
+        const mappings = _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, maybeNewline);
+  }
+  appendChar(char) {
+    this._flush();
+    this._appendChar(char, 1, true);
+  }
+  queue(char) {
+    this._flush();
+    this._queuedChar = char;
+  }
+  _flush() {
+    const queuedChar = this._queuedChar;
+    if (queuedChar !== 0) {
+      this._appendChar(queuedChar, 1, true);
+      this._queuedChar = 0;
+    }
+  }
+  _appendChar(char, repeat, useSourcePos) {
+    this._last = char;
+    if (char === -1) {
+      const indent = repeat > 64 ? this._indentChar.repeat(repeat) : spaceIndents[repeat / 2];
+      this._str += indent;
+    } else {
+      this._str += repeat > 1 ? String.fromCharCode(char).repeat(repeat) : String.fromCharCode(char);
+    }
+    const isSpace = char === 32;
+    const position = this._position;
+    if (char !== 10) {
+      if (this._map) {
+        const sourcePos = this._sourcePosition;
+        if (useSourcePos && sourcePos) {
+          this._map.mark(position, sourcePos.line, sourcePos.column, isSpace ? undefined : sourcePos.identifierName, isSpace ? undefined : sourcePos.identifierNamePos, sourcePos.filename);
+          if (!isSpace && this._canMarkIdName) {
+            sourcePos.identifierName = undefined;
+            sourcePos.identifierNamePos = undefined;
+          }
+        } else {
+          this._map.mark(position);
+        }
+      }
+      position.column += repeat;
+    } else {
+      position.line++;
+      position.column = 0;
+    }
+  }
+  _append(str, maybeNewline) {
+    const len = str.length;
+    const position = this._position;
+    const sourcePos = this._sourcePosition;
+    this._last = -1;
+    if (++this._appendCount > 4096) {
+      +this._str;
+      this._buf += this._str;
+      this._str = str;
+      this._appendCount = 0;
+    } else {
+      this._str += str;
+    }
+    const hasMap = this._map !== null;
+    if (!maybeNewline && !hasMap) {
+      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 (hasMap && i !== 0) {
+      this._map.mark(position, line, column, identifierName, identifierNamePos, filename);
+    }
+    while (i !== -1) {
+      position.line++;
+      position.column = 0;
+      last = i + 1;
+      if (last < len && line !== undefined) {
+        line++;
+        if (hasMap) {
+          this._map.mark(position, line, 0, undefined, undefined, filename);
+        }
+      }
+      i = str.indexOf("\n", last);
+    }
+    position.column += len - last;
+  }
+  removeLastSemicolon() {
+    if (this._queuedChar === 59) {
+      this._queuedChar = 0;
+    }
+  }
+  getLastChar(checkQueue) {
+    if (!checkQueue) {
+      return this._last;
+    }
+    const queuedChar = this._queuedChar;
+    return queuedChar !== 0 ? queuedChar : this._last;
+  }
+  getNewlineCount() {
+    return this._queuedChar === 0 && this._last === 10 ? 1 : 0;
+  }
+  hasContent() {
+    return this._last !== 0;
+  }
+  exactSource(loc, cb) {
+    if (!this._map) {
+      cb();
+      return;
+    }
+    this.source("start", loc);
+    const identifierName = loc.identifierName;
+    const sourcePos = this._sourcePosition;
+    if (identifierName != null) {
+      this._canMarkIdName = false;
+      sourcePos.identifierName = identifierName;
+    }
+    cb();
+    if (identifierName != null) {
+      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);
+  }
+  _normalizePosition(prop, loc, columnOffset) {
+    this._flush();
+    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() {
+    return this._position.column + (this._queuedChar ? 1 : 0);
+  }
+  getCurrentLine() {
+    return this._position.line;
+  }
+}
+exports.default = Buffer;
+
+//# sourceMappingURL=buffer.js.map