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"use strict"; |
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Object.defineProperty(exports, "__esModule", { |
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value: true |
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}); |
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exports.environmentVisitor = environmentVisitor; |
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exports.explode = explode$1; |
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exports.isExplodedVisitor = isExplodedVisitor; |
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exports.merge = merge; |
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exports.verify = verify$1; |
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var virtualTypes = require("./path/lib/virtual-types.js"); |
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var virtualTypesValidators = require("./path/lib/virtual-types-validator.js"); |
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var _t = require("@babel/types"); |
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var _context = require("./path/context.js"); |
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const { |
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DEPRECATED_KEYS, |
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DEPRECATED_ALIASES, |
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FLIPPED_ALIAS_KEYS, |
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TYPES, |
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__internal__deprecationWarning: deprecationWarning |
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} = _t; |
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function isVirtualType(type) { |
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return type in virtualTypes; |
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} |
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function isExplodedVisitor(visitor) { |
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return visitor == null ? void 0 : visitor._exploded; |
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} |
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function explode$1(visitor) { |
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if (isExplodedVisitor(visitor)) return visitor; |
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visitor._exploded = true; |
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for (const nodeType of Object.keys(visitor)) { |
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if (shouldIgnoreKey(nodeType)) continue; |
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const parts = nodeType.split("|"); |
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if (parts.length === 1) continue; |
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const fns = visitor[nodeType]; |
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delete visitor[nodeType]; |
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for (const part of parts) { |
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visitor[part] = fns; |
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} |
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} |
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verify$1(visitor); |
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delete visitor.__esModule; |
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ensureEntranceObjects(visitor); |
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ensureCallbackArrays(visitor); |
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for (const nodeType of Object.keys(visitor)) { |
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if (shouldIgnoreKey(nodeType)) continue; |
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if (!isVirtualType(nodeType)) continue; |
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const fns = visitor[nodeType]; |
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for (const type of Object.keys(fns)) { |
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fns[type] = wrapCheck(nodeType, fns[type]); |
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} |
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delete visitor[nodeType]; |
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const types = virtualTypes[nodeType]; |
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if (types !== null) { |
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for (const type of types) { |
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var _visitor$type; |
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(_visitor$type = visitor[type]) != null ? _visitor$type : visitor[type] = {}; |
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mergePair(visitor[type], fns); |
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} |
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} else { |
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mergePair(visitor, fns); |
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} |
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} |
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for (const nodeType of Object.keys(visitor)) { |
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if (shouldIgnoreKey(nodeType)) continue; |
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let aliases = FLIPPED_ALIAS_KEYS[nodeType]; |
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if (nodeType in DEPRECATED_KEYS) { |
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const deprecatedKey = DEPRECATED_KEYS[nodeType]; |
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deprecationWarning(nodeType, deprecatedKey, "Visitor "); |
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aliases = [deprecatedKey]; |
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} else if (nodeType in DEPRECATED_ALIASES) { |
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const deprecatedAlias = DEPRECATED_ALIASES[nodeType]; |
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deprecationWarning(nodeType, deprecatedAlias, "Visitor "); |
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aliases = FLIPPED_ALIAS_KEYS[deprecatedAlias]; |
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} |
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if (!aliases) continue; |
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const fns = visitor[nodeType]; |
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delete visitor[nodeType]; |
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for (const alias of aliases) { |
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const existing = visitor[alias]; |
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if (existing) { |
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mergePair(existing, fns); |
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} else { |
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visitor[alias] = Object.assign({}, fns); |
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} |
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} |
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} |
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for (const nodeType of Object.keys(visitor)) { |
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if (shouldIgnoreKey(nodeType)) continue; |
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ensureCallbackArrays(visitor[nodeType]); |
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} |
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return visitor; |
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} |
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function verify$1(visitor) { |
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if (visitor._verified) return; |
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if (typeof visitor === "function") { |
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throw new Error("You passed `traverse()` a function when it expected a visitor object, " + "are you sure you didn't mean `{ enter: Function }`?"); |
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} |
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for (const nodeType of Object.keys(visitor)) { |
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if (nodeType === "enter" || nodeType === "exit") { |
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validateVisitorMethods(nodeType, visitor[nodeType]); |
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} |
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if (shouldIgnoreKey(nodeType)) continue; |
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if (!TYPES.includes(nodeType)) { |
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throw new Error(`You gave us a visitor for the node type ${nodeType} but it's not a valid type in @babel/traverse ${"7.28.5"}`); |
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} |
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const visitors = visitor[nodeType]; |
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if (typeof visitors === "object") { |
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for (const visitorKey of Object.keys(visitors)) { |
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if (visitorKey === "enter" || visitorKey === "exit") { |
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validateVisitorMethods(`${nodeType}.${visitorKey}`, visitors[visitorKey]); |
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} else { |
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throw new Error("You passed `traverse()` a visitor object with the property " + `${nodeType} that has the invalid property ${visitorKey}`); |
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} |
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} |
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} |
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} |
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visitor._verified = true; |
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} |
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function validateVisitorMethods(path, val) { |
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const fns = [].concat(val); |
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for (const fn of fns) { |
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if (typeof fn !== "function") { |
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throw new TypeError(`Non-function found defined in ${path} with type ${typeof fn}`); |
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} |
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} |
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} |
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function merge(visitors, states = [], wrapper) { |
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const mergedVisitor = { |
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_verified: true, |
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_exploded: true |
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}; |
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{ |
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Object.defineProperty(mergedVisitor, "_exploded", { |
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enumerable: false |
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}); |
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Object.defineProperty(mergedVisitor, "_verified", { |
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enumerable: false |
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}); |
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} |
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for (let i = 0; i < visitors.length; i++) { |
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const visitor = explode$1(visitors[i]); |
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const state = states[i]; |
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let topVisitor = visitor; |
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if (state || wrapper) { |
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topVisitor = wrapWithStateOrWrapper(topVisitor, state, wrapper); |
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} |
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mergePair(mergedVisitor, topVisitor); |
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for (const key of Object.keys(visitor)) { |
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if (shouldIgnoreKey(key)) continue; |
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let typeVisitor = visitor[key]; |
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if (state || wrapper) { |
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typeVisitor = wrapWithStateOrWrapper(typeVisitor, state, wrapper); |
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} |
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const nodeVisitor = mergedVisitor[key] || (mergedVisitor[key] = {}); |
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mergePair(nodeVisitor, typeVisitor); |
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} |
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} |
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return mergedVisitor; |
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} |
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function wrapWithStateOrWrapper(oldVisitor, state, wrapper) { |
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const newVisitor = {}; |
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for (const phase of ["enter", "exit"]) { |
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let fns = oldVisitor[phase]; |
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if (!Array.isArray(fns)) continue; |
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fns = fns.map(function (fn) { |
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let newFn = fn; |
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if (state) { |
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newFn = function (path) { |
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fn.call(state, path, state); |
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}; |
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} |
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if (wrapper) { |
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newFn = wrapper(state == null ? void 0 : state.key, phase, newFn); |
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} |
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if (newFn !== fn) { |
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newFn.toString = () => fn.toString(); |
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} |
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return newFn; |
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}); |
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newVisitor[phase] = fns; |
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} |
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return newVisitor; |
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} |
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function ensureEntranceObjects(obj) { |
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for (const key of Object.keys(obj)) { |
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if (shouldIgnoreKey(key)) continue; |
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const fns = obj[key]; |
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if (typeof fns === "function") { |
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obj[key] = { |
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enter: fns |
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}; |
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} |
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} |
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} |
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function ensureCallbackArrays(obj) { |
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if (obj.enter && !Array.isArray(obj.enter)) obj.enter = [obj.enter]; |
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if (obj.exit && !Array.isArray(obj.exit)) obj.exit = [obj.exit]; |
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} |
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function wrapCheck(nodeType, fn) { |
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const fnKey = `is${nodeType}`; |
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const validator = virtualTypesValidators[fnKey]; |
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const newFn = function (path) { |
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if (validator.call(path)) { |
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return fn.apply(this, arguments); |
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} |
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}; |
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newFn.toString = () => fn.toString(); |
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return newFn; |
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} |
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function shouldIgnoreKey(key) { |
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if (key[0] === "_") return true; |
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if (key === "enter" || key === "exit" || key === "shouldSkip") return true; |
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if (key === "denylist" || key === "noScope" || key === "skipKeys") { |
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return true; |
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} |
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{ |
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if (key === "blacklist") { |
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return true; |
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} |
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} |
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return false; |
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} |
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function mergePair(dest, src) { |
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for (const phase of ["enter", "exit"]) { |
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if (!src[phase]) continue; |
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dest[phase] = [].concat(dest[phase] || [], src[phase]); |
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} |
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} |
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const _environmentVisitor = { |
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FunctionParent(path) { |
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if (path.isArrowFunctionExpression()) return; |
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path.skip(); |
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if (path.isMethod()) { |
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if (!path.requeueComputedKeyAndDecorators) { |
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_context.requeueComputedKeyAndDecorators.call(path); |
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} else { |
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path.requeueComputedKeyAndDecorators(); |
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} |
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} |
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}, |
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Property(path) { |
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if (path.isObjectProperty()) return; |
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path.skip(); |
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if (!path.requeueComputedKeyAndDecorators) { |
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_context.requeueComputedKeyAndDecorators.call(path); |
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} else { |
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path.requeueComputedKeyAndDecorators(); |
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} |
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} |
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}; |
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function environmentVisitor(visitor) { |
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return merge([_environmentVisitor, visitor]); |
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} |
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