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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/whitespace.js
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Diffstat (limited to 'node_modules/babel-generator/lib/whitespace.js')
-rw-r--r--node_modules/babel-generator/lib/whitespace.js95
1 files changed, 95 insertions, 0 deletions
diff --git a/node_modules/babel-generator/lib/whitespace.js b/node_modules/babel-generator/lib/whitespace.js
new file mode 100644
index 0000000..e18d3ac
--- /dev/null
+++ b/node_modules/babel-generator/lib/whitespace.js
@@ -0,0 +1,95 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _classCallCheck2 = require("babel-runtime/helpers/classCallCheck");
+
+var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+var Whitespace = function () {
+ function Whitespace(tokens) {
+ (0, _classCallCheck3.default)(this, Whitespace);
+
+ this.tokens = tokens;
+ this.used = {};
+ }
+
+ Whitespace.prototype.getNewlinesBefore = function getNewlinesBefore(node) {
+ var startToken = void 0;
+ var endToken = void 0;
+ var tokens = this.tokens;
+
+ var index = this._findToken(function (token) {
+ return token.start - node.start;
+ }, 0, tokens.length);
+ if (index >= 0) {
+ while (index && node.start === tokens[index - 1].start) {
+ --index;
+ }startToken = tokens[index - 1];
+ endToken = tokens[index];
+ }
+
+ return this._getNewlinesBetween(startToken, endToken);
+ };
+
+ Whitespace.prototype.getNewlinesAfter = function getNewlinesAfter(node) {
+ var startToken = void 0;
+ var endToken = void 0;
+ var tokens = this.tokens;
+
+ var index = this._findToken(function (token) {
+ return token.end - node.end;
+ }, 0, tokens.length);
+ if (index >= 0) {
+ while (index && node.end === tokens[index - 1].end) {
+ --index;
+ }startToken = tokens[index];
+ endToken = tokens[index + 1];
+ if (endToken && endToken.type.label === ",") endToken = tokens[index + 2];
+ }
+
+ if (endToken && endToken.type.label === "eof") {
+ return 1;
+ } else {
+ return this._getNewlinesBetween(startToken, endToken);
+ }
+ };
+
+ Whitespace.prototype._getNewlinesBetween = function _getNewlinesBetween(startToken, endToken) {
+ if (!endToken || !endToken.loc) return 0;
+
+ var start = startToken ? startToken.loc.end.line : 1;
+ var end = endToken.loc.start.line;
+ var lines = 0;
+
+ for (var line = start; line < end; line++) {
+ if (typeof this.used[line] === "undefined") {
+ this.used[line] = true;
+ lines++;
+ }
+ }
+
+ return lines;
+ };
+
+ Whitespace.prototype._findToken = function _findToken(test, start, end) {
+ if (start >= end) return -1;
+ var middle = start + end >>> 1;
+ var match = test(this.tokens[middle]);
+ if (match < 0) {
+ return this._findToken(test, middle + 1, end);
+ } else if (match > 0) {
+ return this._findToken(test, start, middle);
+ } else if (match === 0) {
+ return middle;
+ }
+ return -1;
+ };
+
+ return Whitespace;
+}();
+
+exports.default = Whitespace;
+module.exports = exports["default"]; \ No newline at end of file