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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/babel-generator/lib/buffer.js | |
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Diffstat (limited to 'node_modules/babel-generator/lib/buffer.js')
-rw-r--r-- | node_modules/babel-generator/lib/buffer.js | 202 |
1 files changed, 202 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 0000000..40b6c25 --- /dev/null +++ b/node_modules/babel-generator/lib/buffer.js @@ -0,0 +1,202 @@ +"use strict"; + +exports.__esModule = true; + +var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck"); + +var _classCallCheck3 = _interopRequireDefault(_classCallCheck2); + +var _trimRight = require("trim-right"); + +var _trimRight2 = _interopRequireDefault(_trimRight); + +function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } + +var SPACES_RE = /^[ \t]+$/; + +var Buffer = function () { + function Buffer(map) { + (0, _classCallCheck3.default)(this, Buffer); + this._map = null; + this._buf = []; + this._last = ""; + this._queue = []; + this._position = { + line: 1, + column: 0 + }; + this._sourcePosition = { + identifierName: null, + line: null, + column: null, + filename: null + }; + + this._map = map; + } + + Buffer.prototype.get = function get() { + this._flush(); + + var map = this._map; + var result = { + code: (0, _trimRight2.default)(this._buf.join("")), + map: null, + rawMappings: map && map.getRawMappings() + }; + + if (map) { + Object.defineProperty(result, "map", { + configurable: true, + enumerable: true, + get: function get() { + return this.map = map.get(); + }, + set: function set(value) { + Object.defineProperty(this, "map", { value: value, writable: true }); + } + }); + } + + return result; + }; + + Buffer.prototype.append = function append(str) { + this._flush(); + var _sourcePosition = this._sourcePosition, + line = _sourcePosition.line, + column = _sourcePosition.column, + filename = _sourcePosition.filename, + identifierName = _sourcePosition.identifierName; + + this._append(str, line, column, identifierName, filename); + }; + + Buffer.prototype.queue = function queue(str) { + if (str === "\n") while (this._queue.length > 0 && SPACES_RE.test(this._queue[0][0])) { + this._queue.shift(); + }var _sourcePosition2 = this._sourcePosition, + line = _sourcePosition2.line, + column = _sourcePosition2.column, + filename = _sourcePosition2.filename, + identifierName = _sourcePosition2.identifierName; + + this._queue.unshift([str, line, column, identifierName, filename]); + }; + + Buffer.prototype._flush = function _flush() { + var item = void 0; + while (item = this._queue.pop()) { + this._append.apply(this, item); + } + }; + + Buffer.prototype._append = function _append(str, line, column, identifierName, filename) { + if (this._map && str[0] !== "\n") { + this._map.mark(this._position.line, this._position.column, line, column, identifierName, filename); + } + + this._buf.push(str); + this._last = str[str.length - 1]; + + for (var i = 0; i < str.length; i++) { + if (str[i] === "\n") { + this._position.line++; + this._position.column = 0; + } else { + this._position.column++; + } + } + }; + + Buffer.prototype.removeTrailingNewline = function removeTrailingNewline() { + if (this._queue.length > 0 && this._queue[0][0] === "\n") this._queue.shift(); + }; + + Buffer.prototype.removeLastSemicolon = function removeLastSemicolon() { + if (this._queue.length > 0 && this._queue[0][0] === ";") this._queue.shift(); + }; + + Buffer.prototype.endsWith = function endsWith(suffix) { + if (suffix.length === 1) { + var last = void 0; + if (this._queue.length > 0) { + var str = this._queue[0][0]; + last = str[str.length - 1]; + } else { + last = this._last; + } + + return last === suffix; + } + + var end = this._last + this._queue.reduce(function (acc, item) { + return item[0] + acc; + }, ""); + if (suffix.length <= end.length) { + return end.slice(-suffix.length) === suffix; + } + + return false; + }; + + Buffer.prototype.hasContent = function hasContent() { + return this._queue.length > 0 || !!this._last; + }; + + Buffer.prototype.source = function source(prop, loc) { + if (prop && !loc) return; + + var pos = loc ? loc[prop] : null; + + this._sourcePosition.identifierName = loc && loc.identifierName || null; + this._sourcePosition.line = pos ? pos.line : null; + this._sourcePosition.column = pos ? pos.column : null; + this._sourcePosition.filename = loc && loc.filename || null; + }; + + Buffer.prototype.withSource = function withSource(prop, loc, cb) { + if (!this._map) return cb(); + + var originalLine = this._sourcePosition.line; + var originalColumn = this._sourcePosition.column; + var originalFilename = this._sourcePosition.filename; + var originalIdentifierName = this._sourcePosition.identifierName; + + this.source(prop, loc); + + cb(); + + this._sourcePosition.line = originalLine; + this._sourcePosition.column = originalColumn; + this._sourcePosition.filename = originalFilename; + this._sourcePosition.identifierName = originalIdentifierName; + }; + + Buffer.prototype.getCurrentColumn = function getCurrentColumn() { + var extra = this._queue.reduce(function (acc, item) { + return item[0] + acc; + }, ""); + var lastIndex = extra.lastIndexOf("\n"); + + return lastIndex === -1 ? this._position.column + extra.length : extra.length - 1 - lastIndex; + }; + + Buffer.prototype.getCurrentLine = function getCurrentLine() { + var extra = this._queue.reduce(function (acc, item) { + return item[0] + acc; + }, ""); + + var count = 0; + for (var i = 0; i < extra.length; i++) { + if (extra[i] === "\n") count++; + } + + return this._position.line + count; + }; + + return Buffer; +}(); + +exports.default = Buffer; +module.exports = exports["default"];
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