diff options
Diffstat (limited to 'node_modules/@babel/traverse/lib/visitors.js')
| -rw-r--r-- | node_modules/@babel/traverse/lib/visitors.js | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/node_modules/@babel/traverse/lib/visitors.js b/node_modules/@babel/traverse/lib/visitors.js new file mode 100644 index 0000000..c09bade --- /dev/null +++ b/node_modules/@babel/traverse/lib/visitors.js @@ -0,0 +1,252 @@ +"use strict"; + +Object.defineProperty(exports, "__esModule", { + value: true +}); +exports.environmentVisitor = environmentVisitor; +exports.explode = explode$1; +exports.isExplodedVisitor = isExplodedVisitor; +exports.merge = merge; +exports.verify = verify$1; +var virtualTypes = require("./path/lib/virtual-types.js"); +var virtualTypesValidators = require("./path/lib/virtual-types-validator.js"); +var _t = require("@babel/types"); +var _context = require("./path/context.js"); +const { + DEPRECATED_KEYS, + DEPRECATED_ALIASES, + FLIPPED_ALIAS_KEYS, + TYPES, + __internal__deprecationWarning: deprecationWarning +} = _t; +function isVirtualType(type) { + return type in virtualTypes; +} +function isExplodedVisitor(visitor) { + return visitor == null ? void 0 : visitor._exploded; +} +function explode$1(visitor) { + if (isExplodedVisitor(visitor)) return visitor; + visitor._exploded = true; + for (const nodeType of Object.keys(visitor)) { + if (shouldIgnoreKey(nodeType)) continue; + const parts = nodeType.split("|"); + if (parts.length === 1) continue; + const fns = visitor[nodeType]; + delete visitor[nodeType]; + for (const part of parts) { + visitor[part] = fns; + } + } + verify$1(visitor); + delete visitor.__esModule; + ensureEntranceObjects(visitor); + ensureCallbackArrays(visitor); + for (const nodeType of Object.keys(visitor)) { + if (shouldIgnoreKey(nodeType)) continue; + if (!isVirtualType(nodeType)) continue; + const fns = visitor[nodeType]; + for (const type of Object.keys(fns)) { + fns[type] = wrapCheck(nodeType, fns[type]); + } + delete visitor[nodeType]; + const types = virtualTypes[nodeType]; + if (types !== null) { + for (const type of types) { + var _visitor$type; + (_visitor$type = visitor[type]) != null ? _visitor$type : visitor[type] = {}; + mergePair(visitor[type], fns); + } + } else { + mergePair(visitor, fns); + } + } + for (const nodeType of Object.keys(visitor)) { + if (shouldIgnoreKey(nodeType)) continue; + let aliases = FLIPPED_ALIAS_KEYS[nodeType]; + if (nodeType in DEPRECATED_KEYS) { + const deprecatedKey = DEPRECATED_KEYS[nodeType]; + deprecationWarning(nodeType, deprecatedKey, "Visitor "); + aliases = [deprecatedKey]; + } else if (nodeType in DEPRECATED_ALIASES) { + const deprecatedAlias = DEPRECATED_ALIASES[nodeType]; + deprecationWarning(nodeType, deprecatedAlias, "Visitor "); + aliases = FLIPPED_ALIAS_KEYS[deprecatedAlias]; + } + if (!aliases) continue; + const fns = visitor[nodeType]; + delete visitor[nodeType]; + for (const alias of aliases) { + const existing = visitor[alias]; + if (existing) { + mergePair(existing, fns); + } else { + visitor[alias] = Object.assign({}, fns); + } + } + } + for (const nodeType of Object.keys(visitor)) { + if (shouldIgnoreKey(nodeType)) continue; + ensureCallbackArrays(visitor[nodeType]); + } + return visitor; +} +function verify$1(visitor) { + if (visitor._verified) return; + if (typeof visitor === "function") { + throw new Error("You passed `traverse()` a function when it expected a visitor object, " + "are you sure you didn't mean `{ enter: Function }`?"); + } + for (const nodeType of Object.keys(visitor)) { + if (nodeType === "enter" || nodeType === "exit") { + validateVisitorMethods(nodeType, visitor[nodeType]); + } + if (shouldIgnoreKey(nodeType)) continue; + if (!TYPES.includes(nodeType)) { + throw new Error(`You gave us a visitor for the node type ${nodeType} but it's not a valid type in @babel/traverse ${"7.29.0"}`); + } + const visitors = visitor[nodeType]; + if (typeof visitors === "object") { + for (const visitorKey of Object.keys(visitors)) { + if (visitorKey === "enter" || visitorKey === "exit") { + validateVisitorMethods(`${nodeType}.${visitorKey}`, visitors[visitorKey]); + } else { + throw new Error("You passed `traverse()` a visitor object with the property " + `${nodeType} that has the invalid property ${visitorKey}`); + } + } + } + } + visitor._verified = true; +} +function validateVisitorMethods(path, val) { + const fns = [].concat(val); + for (const fn of fns) { + if (typeof fn !== "function") { + throw new TypeError(`Non-function found defined in ${path} with type ${typeof fn}`); + } + } +} +function merge(visitors, states = [], wrapper) { + const mergedVisitor = { + _verified: true, + _exploded: true + }; + Object.defineProperty(mergedVisitor, "_exploded", { + enumerable: false + }); + Object.defineProperty(mergedVisitor, "_verified", { + enumerable: false + }); + for (let i = 0; i < visitors.length; i++) { + const visitor = explode$1(visitors[i]); + const state = states[i]; + let topVisitor = visitor; + if (state || wrapper) { + topVisitor = wrapWithStateOrWrapper(topVisitor, state, wrapper); + } + mergePair(mergedVisitor, topVisitor); + for (const key of Object.keys(visitor)) { + if (shouldIgnoreKey(key)) continue; + let typeVisitor = visitor[key]; + if (state || wrapper) { + typeVisitor = wrapWithStateOrWrapper(typeVisitor, state, wrapper); + } + const nodeVisitor = mergedVisitor[key] || (mergedVisitor[key] = {}); + mergePair(nodeVisitor, typeVisitor); + } + } + return mergedVisitor; +} +function wrapWithStateOrWrapper(oldVisitor, state, wrapper) { + const newVisitor = {}; + for (const phase of ["enter", "exit"]) { + let fns = oldVisitor[phase]; + if (!Array.isArray(fns)) continue; + fns = fns.map(function (fn) { + let newFn = fn; + if (state) { + newFn = function (path) { + fn.call(state, path, state); + }; + } + if (wrapper) { + newFn = wrapper(state == null ? void 0 : state.key, phase, newFn); + } + if (newFn !== fn) { + newFn.toString = () => fn.toString(); + } + return newFn; + }); + newVisitor[phase] = fns; + } + return newVisitor; +} +function ensureEntranceObjects(obj) { + for (const key of Object.keys(obj)) { + if (shouldIgnoreKey(key)) continue; + const fns = obj[key]; + if (typeof fns === "function") { + obj[key] = { + enter: fns + }; + } + } +} +function ensureCallbackArrays(obj) { + if (obj.enter && !Array.isArray(obj.enter)) obj.enter = [obj.enter]; + if (obj.exit && !Array.isArray(obj.exit)) obj.exit = [obj.exit]; +} +function wrapCheck(nodeType, fn) { + const fnKey = `is${nodeType}`; + const validator = virtualTypesValidators[fnKey]; + const newFn = function (path) { + if (validator.call(path)) { + return fn.apply(this, arguments); + } + }; + newFn.toString = () => fn.toString(); + return newFn; +} +function shouldIgnoreKey(key) { + if (key.startsWith("_")) return true; + if (key === "enter" || key === "exit" || key === "shouldSkip") return true; + if (key === "denylist" || key === "noScope" || key === "skipKeys") { + return true; + } + if (key === "blacklist") { + return true; + } + return false; +} +function mergePair(dest, src) { + for (const phase of ["enter", "exit"]) { + if (!src[phase]) continue; + dest[phase] = [].concat(dest[phase] || [], src[phase]); + } +} +const _environmentVisitor = { + FunctionParent(path) { + if (path.isArrowFunctionExpression()) return; + path.skip(); + if (path.isMethod()) { + if (!path.requeueComputedKeyAndDecorators) { + _context.requeueComputedKeyAndDecorators.call(path); + } else { + path.requeueComputedKeyAndDecorators(); + } + } + }, + Property(path) { + if (path.isObjectProperty()) return; + path.skip(); + if (!path.requeueComputedKeyAndDecorators) { + _context.requeueComputedKeyAndDecorators.call(path); + } else { + path.requeueComputedKeyAndDecorators(); + } + } +}; +function environmentVisitor(visitor) { + return merge([_environmentVisitor, visitor]); +} + +//# sourceMappingURL=visitors.js.map |
