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Diffstat (limited to 'node_modules/@babel/generator/lib/node/whitespace.js')
| -rw-r--r-- | node_modules/@babel/generator/lib/node/whitespace.js | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/node_modules/@babel/generator/lib/node/whitespace.js b/node_modules/@babel/generator/lib/node/whitespace.js new file mode 100644 index 0000000..80e2da9 --- /dev/null +++ b/node_modules/@babel/generator/lib/node/whitespace.js @@ -0,0 +1,214 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.nodes = exports.list = void 0; + +var _t = require("@babel/types"); + +const { + FLIPPED_ALIAS_KEYS, + isArrayExpression, + isAssignmentExpression, + isBinary, + isBlockStatement, + isCallExpression, + isFunction, + isIdentifier, + isLiteral, + isMemberExpression, + isObjectExpression, + isOptionalCallExpression, + isOptionalMemberExpression, + isStringLiteral +} = _t; + +function crawl(node, state = {}) { + if (isMemberExpression(node) || isOptionalMemberExpression(node)) { + crawl(node.object, state); + if (node.computed) crawl(node.property, state); + } else if (isBinary(node) || isAssignmentExpression(node)) { + crawl(node.left, state); + crawl(node.right, state); + } else if (isCallExpression(node) || isOptionalCallExpression(node)) { + state.hasCall = true; + crawl(node.callee, state); + } else if (isFunction(node)) { + state.hasFunction = true; + } else if (isIdentifier(node)) { + state.hasHelper = state.hasHelper || isHelper(node.callee); + } + + return state; +} + +function isHelper(node) { + if (isMemberExpression(node)) { + return isHelper(node.object) || isHelper(node.property); + } else if (isIdentifier(node)) { + return node.name === "require" || node.name[0] === "_"; + } else if (isCallExpression(node)) { + return isHelper(node.callee); + } else if (isBinary(node) || isAssignmentExpression(node)) { + return isIdentifier(node.left) && isHelper(node.left) || isHelper(node.right); + } else { + return false; + } +} + +function isType(node) { + return isLiteral(node) || isObjectExpression(node) || isArrayExpression(node) || isIdentifier(node) || 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 (isFunction(node.left) || isFunction(node.right)) { + return { + after: true + }; + } + }, + + Literal(node) { + if (isStringLiteral(node) && node.value === "use strict") { + return { + after: true + }; + } + }, + + CallExpression(node) { + if (isFunction(node.callee) || isHelper(node)) { + return { + before: true, + after: true + }; + } + }, + + OptionalCallExpression(node) { + if (isFunction(node.callee)) { + 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 (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) { + var _parent$properties; + + if (parent.callProperties[0] === node && !((_parent$properties = parent.properties) != null && _parent$properties.length)) { + return { + before: true + }; + } +}; + +nodes.ObjectTypeIndexer = function (node, parent) { + var _parent$properties2, _parent$callPropertie; + + if (parent.indexers[0] === node && !((_parent$properties2 = parent.properties) != null && _parent$properties2.length) && !((_parent$callPropertie = parent.callProperties) != null && _parent$callPropertie.length)) { + return { + before: true + }; + } +}; + +nodes.ObjectTypeInternalSlot = function (node, parent) { + var _parent$properties3, _parent$callPropertie2, _parent$indexers; + + if (parent.internalSlots[0] === node && !((_parent$properties3 = parent.properties) != null && _parent$properties3.length) && !((_parent$callPropertie2 = parent.callProperties) != null && _parent$callPropertie2.length) && !((_parent$indexers = parent.indexers) != null && _parent$indexers.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(FLIPPED_ALIAS_KEYS[type] || []).forEach(function (type) { + nodes[type] = function () { + return amounts; + }; + }); +});
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