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authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/@babel/generator/lib/node/index.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip
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Diffstat (limited to 'node_modules/@babel/generator/lib/node/index.js')
-rw-r--r--node_modules/@babel/generator/lib/node/index.js132
1 files changed, 132 insertions, 0 deletions
diff --git a/node_modules/@babel/generator/lib/node/index.js b/node_modules/@babel/generator/lib/node/index.js
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--- /dev/null
+++ b/node_modules/@babel/generator/lib/node/index.js
@@ -0,0 +1,132 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.needsWhitespace = needsWhitespace;
+exports.needsWhitespaceBefore = needsWhitespaceBefore;
+exports.needsWhitespaceAfter = needsWhitespaceAfter;
+exports.needsParens = needsParens;
+
+var whitespace = _interopRequireWildcard(require("./whitespace"));
+
+var parens = _interopRequireWildcard(require("./parentheses"));
+
+function t() {
+ const data = _interopRequireWildcard(require("@babel/types"));
+
+ t = function t() {
+ return data;
+ };
+
+ return data;
+}
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }
+
+function expandAliases(obj) {
+ const newObj = {};
+
+ function add(type, func) {
+ const fn = newObj[type];
+ newObj[type] = fn ? function (node, parent, stack) {
+ const result = fn(node, parent, stack);
+ return result == null ? func(node, parent, stack) : result;
+ } : func;
+ }
+
+ var _arr = Object.keys(obj);
+
+ for (var _i = 0; _i < _arr.length; _i++) {
+ const type = _arr[_i];
+ const aliases = t().FLIPPED_ALIAS_KEYS[type];
+
+ if (aliases) {
+ for (var _iterator = aliases, _isArray = Array.isArray(_iterator), _i2 = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
+ var _ref;
+
+ if (_isArray) {
+ if (_i2 >= _iterator.length) break;
+ _ref = _iterator[_i2++];
+ } else {
+ _i2 = _iterator.next();
+ if (_i2.done) break;
+ _ref = _i2.value;
+ }
+
+ const alias = _ref;
+ add(alias, obj[type]);
+ }
+ } else {
+ add(type, obj[type]);
+ }
+ }
+
+ return newObj;
+}
+
+const expandedParens = expandAliases(parens);
+const expandedWhitespaceNodes = expandAliases(whitespace.nodes);
+const expandedWhitespaceList = expandAliases(whitespace.list);
+
+function find(obj, node, parent, printStack) {
+ const fn = obj[node.type];
+ return fn ? fn(node, parent, printStack) : null;
+}
+
+function isOrHasCallExpression(node) {
+ if (t().isCallExpression(node)) {
+ return true;
+ }
+
+ if (t().isMemberExpression(node)) {
+ return isOrHasCallExpression(node.object) || !node.computed && isOrHasCallExpression(node.property);
+ } else {
+ return false;
+ }
+}
+
+function needsWhitespace(node, parent, type) {
+ if (!node) return 0;
+
+ if (t().isExpressionStatement(node)) {
+ node = node.expression;
+ }
+
+ let linesInfo = find(expandedWhitespaceNodes, node, parent);
+
+ if (!linesInfo) {
+ const items = find(expandedWhitespaceList, node, parent);
+
+ if (items) {
+ for (let i = 0; i < items.length; i++) {
+ linesInfo = needsWhitespace(items[i], node, type);
+ if (linesInfo) break;
+ }
+ }
+ }
+
+ if (typeof linesInfo === "object" && linesInfo !== null) {
+ return linesInfo[type] || 0;
+ }
+
+ return 0;
+}
+
+function needsWhitespaceBefore(node, parent) {
+ return needsWhitespace(node, parent, "before");
+}
+
+function needsWhitespaceAfter(node, parent) {
+ return needsWhitespace(node, parent, "after");
+}
+
+function needsParens(node, parent, printStack) {
+ if (!parent) return false;
+
+ if (t().isNewExpression(parent) && parent.callee === node) {
+ if (isOrHasCallExpression(node)) return true;
+ }
+
+ return find(expandedParens, node, parent, printStack);
+} \ No newline at end of file