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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
commite06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch)
tree55713f725f77b44ebfec86e4eec3ce33e71458ca /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.js202
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
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+++ 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"]; \ No newline at end of file