match-curriculum / node_modules / @babel / traverse / lib / path / context.js.map
context.js.map
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{"version":3,"names":["_traverseNode","require","_index","call","key","opts","debug","node","_call","type","fns","fn","ret","state","then","Error","_traverseFlags","isDenylisted","_this$opts$denylist","denylist","blacklist","indexOf","restoreContext","path","context","visit","shouldSkip","currentContext","shouldStop","traverseNode","scope","skipKeys","skip","skipKey","stop","SHOULD_SKIP","SHOULD_STOP","setScope","noScope","parentPath","listKey","isMethod","isSwitchStatement","target","getScope","init","setContext","resync","removed","_resyncParent","_resyncList","_resyncKey","parent","container","Array","isArray","i","length","setKey","Object","keys","inList","newContainer","_resyncRemoved","_markRemoved","popContext","contexts","pop","undefined","pushContext","push","setup","_this$node","requeue","pathToQueue","maybeQueue","_getQueueContexts"],"sources":["../../src/path/context.ts"],"sourcesContent":["// This file contains methods responsible for maintaining a TraversalContext.\n\nimport { traverseNode } from \"../traverse-node\";\nimport { SHOULD_SKIP, SHOULD_STOP } from \"./index\";\nimport type TraversalContext from \"../context\";\nimport type NodePath from \"./index\";\nimport type * as t from \"@babel/types\";\n\nexport function call(this: NodePath, key: string): boolean {\n  const opts = this.opts;\n\n  this.debug(key);\n\n  if (this.node) {\n    if (this._call(opts[key])) return true;\n  }\n\n  if (this.node) {\n    return this._call(opts[this.node.type] && opts[this.node.type][key]);\n  }\n\n  return false;\n}\n\nexport function _call(this: NodePath, fns?: Array<Function>): boolean {\n  if (!fns) return false;\n\n  for (const fn of fns) {\n    if (!fn) continue;\n\n    const node = this.node;\n    if (!node) return true;\n\n    const ret = fn.call(this.state, this, this.state);\n    if (ret && typeof ret === \"object\" && typeof ret.then === \"function\") {\n      throw new Error(\n        `You appear to be using a plugin with an async traversal visitor, ` +\n          `which your current version of Babel does not support. ` +\n          `If you're using a published plugin, you may need to upgrade ` +\n          `your @babel/core version.`,\n      );\n    }\n    if (ret) {\n      throw new Error(`Unexpected return value from visitor method ${fn}`);\n    }\n\n    // node has been replaced, it will have been requeued\n    if (this.node !== node) return true;\n\n    // this.shouldSkip || this.shouldStop || this.removed\n    if (this._traverseFlags > 0) return true;\n  }\n\n  return false;\n}\n\nexport function isDenylisted(this: NodePath): boolean {\n  const denylist = this.opts.denylist ?? this.opts.blacklist;\n  return denylist && denylist.indexOf(this.node.type) > -1;\n}\n\n// TODO: Remove in Babel 8\nexport { isDenylisted as isBlacklisted };\n\nfunction restoreContext(path: NodePath, context: TraversalContext) {\n  if (path.context !== context) {\n    path.context = context;\n    path.state = context.state;\n    path.opts = context.opts;\n  }\n}\n\nexport function visit(this: NodePath): boolean {\n  if (!this.node) {\n    return false;\n  }\n\n  if (this.isDenylisted()) {\n    return false;\n  }\n\n  if (this.opts.shouldSkip && this.opts.shouldSkip(this)) {\n    return false;\n  }\n\n  const currentContext = this.context;\n  // Note: We need to check \"this.shouldSkip\" first because\n  // another visitor can set it to true. Usually .shouldSkip is false\n  // before calling the enter visitor, but it can be true in case of\n  // a requeued node (e.g. by .replaceWith()) that is then marked\n  // with .skip().\n  if (this.shouldSkip || this.call(\"enter\")) {\n    this.debug(\"Skip...\");\n    return this.shouldStop;\n  }\n  restoreContext(this, currentContext);\n\n  this.debug(\"Recursing into...\");\n  this.shouldStop = traverseNode(\n    this.node,\n    this.opts,\n    this.scope,\n    this.state,\n    this,\n    this.skipKeys,\n  );\n\n  restoreContext(this, currentContext);\n\n  this.call(\"exit\");\n\n  return this.shouldStop;\n}\n\nexport function skip(this: NodePath) {\n  this.shouldSkip = true;\n}\n\nexport function skipKey(this: NodePath, key: string) {\n  if (this.skipKeys == null) {\n    this.skipKeys = {};\n  }\n  this.skipKeys[key] = true;\n}\n\nexport function stop(this: NodePath) {\n  // this.shouldSkip = true; this.shouldStop = true;\n  this._traverseFlags |= SHOULD_SKIP | SHOULD_STOP;\n}\n\nexport function setScope(this: NodePath) {\n  if (this.opts && this.opts.noScope) return;\n\n  let path = this.parentPath;\n\n  if (\n    // Skip method scope if is computed method key or decorator expression\n    ((this.key === \"key\" || this.listKey === \"decorators\") &&\n      path.isMethod()) ||\n    // Skip switch scope if for discriminant (`x` in `switch (x) {}`).\n    (this.key === \"discriminant\" && path.isSwitchStatement())\n  ) {\n    path = path.parentPath;\n  }\n\n  let target;\n  while (path && !target) {\n    if (path.opts && path.opts.noScope) return;\n\n    target = path.scope;\n    path = path.parentPath;\n  }\n\n  this.scope = this.getScope(target);\n  if (this.scope) this.scope.init();\n}\n\nexport function setContext<S = unknown>(\n  this: NodePath,\n  context?: TraversalContext<S>,\n) {\n  if (this.skipKeys != null) {\n    this.skipKeys = {};\n  }\n  // this.shouldSkip = false; this.shouldStop = false; this.removed = false;\n  this._traverseFlags = 0;\n\n  if (context) {\n    this.context = context;\n    this.state = context.state;\n    this.opts = context.opts;\n  }\n\n  this.setScope();\n\n  return this;\n}\n\n/**\n * Here we resync the node paths `key` and `container`. If they've changed according\n * to what we have stored internally then we attempt to resync by crawling and looking\n * for the new values.\n */\n\nexport function resync(this: NodePath) {\n  if (this.removed) return;\n\n  this._resyncParent();\n  this._resyncList();\n  this._resyncKey();\n  //this._resyncRemoved();\n}\n\nexport function _resyncParent(this: NodePath) {\n  if (this.parentPath) {\n    this.parent = this.parentPath.node;\n  }\n}\n\nexport function _resyncKey(this: NodePath) {\n  if (!this.container) return;\n\n  if (\n    this.node ===\n    // @ts-expect-error this.key should present in this.container\n    this.container[this.key]\n  ) {\n    return;\n  }\n\n  // grrr, path key is out of sync. this is likely due to a modification to the AST\n  // not done through our path APIs\n\n  if (Array.isArray(this.container)) {\n    for (let i = 0; i < this.container.length; i++) {\n      if (this.container[i] === this.node) {\n        this.setKey(i);\n        return;\n      }\n    }\n  } else {\n    for (const key of Object.keys(this.container)) {\n      // @ts-expect-error this.key should present in this.container\n      if (this.container[key] === this.node) {\n        this.setKey(key);\n        return;\n      }\n    }\n  }\n\n  // ¯\\_(ツ)_/¯ who knows where it's gone lol\n  this.key = null;\n}\n\nexport function _resyncList(this: NodePath) {\n  if (!this.parent || !this.inList) return;\n\n  const newContainer =\n    // @ts-expect-error this.listKey should present in this.parent\n    this.parent[this.listKey];\n  if (this.container === newContainer) return;\n\n  // container is out of sync. this is likely the result of it being reassigned\n  this.container = newContainer || null;\n}\n\nexport function _resyncRemoved(this: NodePath) {\n  if (\n    this.key == null ||\n    !this.container ||\n    // @ts-expect-error this.key should present in this.container\n    this.container[this.key] !== this.node\n  ) {\n    this._markRemoved();\n  }\n}\n\nexport function popContext(this: NodePath) {\n  this.contexts.pop();\n  if (this.contexts.length > 0) {\n    this.setContext(this.contexts[this.contexts.length - 1]);\n  } else {\n    this.setContext(undefined);\n  }\n}\n\nexport function pushContext(this: NodePath, context: TraversalContext) {\n  this.contexts.push(context);\n  this.setContext(context);\n}\n\nexport function setup(\n  this: NodePath,\n  parentPath: NodePath | undefined,\n  container: t.Node,\n  listKey: string,\n  key: string | number,\n) {\n  this.listKey = listKey;\n  this.container = container;\n\n  this.parentPath = parentPath || this.parentPath;\n  this.setKey(key);\n}\n\nexport function setKey(this: NodePath, key: string | number) {\n  this.key = key;\n  this.node =\n    // @ts-expect-error this.key must present in this.container\n    this.container[this.key];\n  this.type = this.node?.type;\n}\n\nexport function requeue(this: NodePath, pathToQueue = this) {\n  if (pathToQueue.removed) return;\n\n  // If a path is skipped, and then replaced with a\n  // new one, the new one shouldn't probably be skipped.\n  if (process.env.BABEL_8_BREAKING) {\n    pathToQueue.shouldSkip = false;\n  }\n\n  // TODO(loganfsmyth): This should be switched back to queue in parent contexts\n  // automatically once #2892 and #4135 have been resolved. See #4140.\n  // let contexts = this._getQueueContexts();\n  const contexts = this.contexts;\n\n  for (const context of contexts) {\n    context.maybeQueue(pathToQueue);\n  }\n}\n\nexport function _getQueueContexts(this: NodePath) {\n  let path = this;\n  let contexts = this.contexts;\n  while (!contexts.length) {\n    path = path.parentPath;\n    if (!path) break;\n    contexts = path.contexts;\n  }\n  return 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