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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/whitespace.js
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
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xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip
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-rw-r--r--node_modules/@babel/generator/lib/node/whitespace.js184
1 files changed, 184 insertions, 0 deletions
diff --git a/node_modules/@babel/generator/lib/node/whitespace.js b/node_modules/@babel/generator/lib/node/whitespace.js
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+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+ value: true
+});
+exports.list = exports.nodes = void 0;
+
+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 crawl(node, state = {}) {
+ if (t().isMemberExpression(node)) {
+ crawl(node.object, state);
+ if (node.computed) crawl(node.property, state);
+ } else if (t().isBinary(node) || t().isAssignmentExpression(node)) {
+ crawl(node.left, state);
+ crawl(node.right, state);
+ } else if (t().isCallExpression(node)) {
+ state.hasCall = true;
+ crawl(node.callee, state);
+ } else if (t().isFunction(node)) {
+ state.hasFunction = true;
+ } else if (t().isIdentifier(node)) {
+ state.hasHelper = state.hasHelper || isHelper(node.callee);
+ }
+
+ return state;
+}
+
+function isHelper(node) {
+ if (t().isMemberExpression(node)) {
+ return isHelper(node.object) || isHelper(node.property);
+ } else if (t().isIdentifier(node)) {
+ return node.name === "require" || node.name[0] === "_";
+ } else if (t().isCallExpression(node)) {
+ return isHelper(node.callee);
+ } else if (t().isBinary(node) || t().isAssignmentExpression(node)) {
+ return t().isIdentifier(node.left) && isHelper(node.left) || isHelper(node.right);
+ } else {
+ return false;
+ }
+}
+
+function isType(node) {
+ return t().isLiteral(node) || t().isObjectExpression(node) || t().isArrayExpression(node) || t().isIdentifier(node) || t().isMemberExpression(node);
+}
+
+const nodes = {
+ AssignmentExpression(node) {
+ const state = crawl(node.right);
+
+ if (state.hasCall && state.hasHelper || state.hasFunction) {
+ return {
+ before: state.hasFunction,
+ after: true
+ };
+ }
+ },
+
+ SwitchCase(node, parent) {
+ return {
+ before: node.consequent.length || parent.cases[0] === node,
+ after: !node.consequent.length && parent.cases[parent.cases.length - 1] === node
+ };
+ },
+
+ LogicalExpression(node) {
+ if (t().isFunction(node.left) || t().isFunction(node.right)) {
+ return {
+ after: true
+ };
+ }
+ },
+
+ Literal(node) {
+ if (node.value === "use strict") {
+ return {
+ after: true
+ };
+ }
+ },
+
+ CallExpression(node) {
+ if (t().isFunction(node.callee) || isHelper(node)) {
+ return {
+ before: true,
+ after: true
+ };
+ }
+ },
+
+ VariableDeclaration(node) {
+ for (let i = 0; i < node.declarations.length; i++) {
+ const declar = node.declarations[i];
+ let enabled = isHelper(declar.id) && !isType(declar.init);
+
+ if (!enabled) {
+ const state = crawl(declar.init);
+ enabled = isHelper(declar.init) && state.hasCall || state.hasFunction;
+ }
+
+ if (enabled) {
+ return {
+ before: true,
+ after: true
+ };
+ }
+ }
+ },
+
+ IfStatement(node) {
+ if (t().isBlockStatement(node.consequent)) {
+ return {
+ before: true,
+ after: true
+ };
+ }
+ }
+
+};
+exports.nodes = nodes;
+
+nodes.ObjectProperty = nodes.ObjectTypeProperty = nodes.ObjectMethod = function (node, parent) {
+ if (parent.properties[0] === node) {
+ return {
+ before: true
+ };
+ }
+};
+
+nodes.ObjectTypeCallProperty = function (node, parent) {
+ if (parent.callProperties[0] === node && (!parent.properties || !parent.properties.length)) {
+ return {
+ before: true
+ };
+ }
+};
+
+nodes.ObjectTypeIndexer = function (node, parent) {
+ if (parent.indexers[0] === node && (!parent.properties || !parent.properties.length) && (!parent.callProperties || !parent.callProperties.length)) {
+ return {
+ before: true
+ };
+ }
+};
+
+const list = {
+ VariableDeclaration(node) {
+ return node.declarations.map(decl => decl.init);
+ },
+
+ ArrayExpression(node) {
+ return node.elements;
+ },
+
+ ObjectExpression(node) {
+ return node.properties;
+ }
+
+};
+exports.list = list;
+[["Function", true], ["Class", true], ["Loop", true], ["LabeledStatement", true], ["SwitchStatement", true], ["TryStatement", true]].forEach(function ([type, amounts]) {
+ if (typeof amounts === "boolean") {
+ amounts = {
+ after: amounts,
+ before: amounts
+ };
+ }
+
+ [type].concat(t().FLIPPED_ALIAS_KEYS[type] || []).forEach(function (type) {
+ nodes[type] = function () {
+ return amounts;
+ };
+ });
+}); \ No newline at end of file