d2-ui
Version:
538 lines (420 loc) • 43.1 kB
JavaScript
'use strict';
exports.__esModule = true;
var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj; };
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
exports.recursivePatternCapture = recursivePatternCapture;
require('es6-symbol/implement');
var _es6Map = require('es6-map');
var _es6Map2 = _interopRequireDefault(_es6Map);
var _fs = require('fs');
var fs = _interopRequireWildcard(_fs);
var _crypto = require('crypto');
var _doctrine = require('doctrine');
var doctrine = _interopRequireWildcard(_doctrine);
var _parse2 = require('./parse');
var _parse3 = _interopRequireDefault(_parse2);
var _resolve = require('./resolve');
var _resolve2 = _interopRequireDefault(_resolve);
var _ignore = require('./ignore');
var _ignore2 = _interopRequireDefault(_ignore);
var _hash = require('./hash');
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)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
var exportCache = new _es6Map2.default();
/**
* detect exports without a full parse.
* used primarily to ignore the import/ignore setting, iif it looks like
* there might be something there (i.e., jsnext:main is set).
* @type {RegExp}
*/
var hasExports = new RegExp('(^|[\\n;])\\s*export\\s[\\w{*]');
var ExportMap = function () {
function ExportMap(path) {
_classCallCheck(this, ExportMap);
this.path = path;
this.namespace = new _es6Map2.default();
// todo: restructure to key on path, value is resolver + map of names
this.reexports = new _es6Map2.default();
this.dependencies = new _es6Map2.default();
this.errors = [];
}
ExportMap.get = function get(source, context) {
var path = (0, _resolve2.default)(source, context);
if (path == null) return null;
return ExportMap.for(path, context);
};
ExportMap.for = function _for(path, context) {
var exportMap = void 0;
var cacheKey = (0, _hash.hashObject)((0, _crypto.createHash)('sha256'), {
settings: context.settings,
parserPath: context.parserPath,
parserOptions: context.parserOptions,
path: path
}).digest('hex');
exportMap = exportCache.get(cacheKey);
// return cached ignore
if (exportMap === null) return null;
var stats = fs.statSync(path);
if (exportMap != null) {
// date equality check
if (exportMap.mtime - stats.mtime === 0) {
return exportMap;
}
// future: check content equality?
}
var content = fs.readFileSync(path, { encoding: 'utf8' });
// check for and cache ignore
if ((0, _ignore2.default)(path, context) && !hasExports.test(content)) {
exportCache.set(cacheKey, null);
return null;
}
exportMap = ExportMap.parse(path, content, context);
exportMap.mtime = stats.mtime;
exportCache.set(cacheKey, exportMap);
return exportMap;
};
ExportMap.parse = function parse(path, content, context) {
var m = new ExportMap(path);
try {
var ast = (0, _parse3.default)(content, context);
} catch (err) {
m.errors.push(err);
return m; // can't continue
}
// attempt to collect module doc
ast.comments.some(function (c) {
if (c.type !== 'Block') return false;
try {
var doc = doctrine.parse(c.value, { unwrap: true });
if (doc.tags.some(function (t) {
return t.title === 'module';
})) {
m.doc = doc;
return true;
}
} catch (err) {/* ignore */}
return false;
});
var namespaces = new _es6Map2.default();
function remotePath(node) {
return _resolve2.default.relative(node.source.value, path, context.settings);
}
function resolveImport(node) {
var rp = remotePath(node);
if (rp == null) return null;
return ExportMap.for(rp, context);
}
function getNamespace(identifier) {
if (!namespaces.has(identifier.name)) return;
return function () {
return resolveImport(namespaces.get(identifier.name));
};
}
function addNamespace(object, identifier) {
var nsfn = getNamespace(identifier);
if (nsfn) {
Object.defineProperty(object, 'namespace', { get: nsfn });
}
return object;
}
ast.body.forEach(function (n) {
if (n.type === 'ExportDefaultDeclaration') {
var exportMeta = captureDoc(n);
if (n.declaration.type === 'Identifier') {
addNamespace(exportMeta, n.declaration);
}
m.namespace.set('default', exportMeta);
return;
}
if (n.type === 'ExportAllDeclaration') {
var _ret = function () {
var remoteMap = remotePath(n);
if (remoteMap == null) return {
v: void 0
};
m.dependencies.set(remoteMap, function () {
return ExportMap.for(remoteMap, context);
});
return {
v: void 0
};
}();
if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
}
// capture namespaces in case of later export
if (n.type === 'ImportDeclaration') {
var ns = void 0;
if (n.specifiers.some(function (s) {
return s.type === 'ImportNamespaceSpecifier' && (ns = s);
})) {
namespaces.set(ns.local.name, n);
}
return;
}
if (n.type === 'ExportNamedDeclaration') {
// capture declaration
if (n.declaration != null) {
switch (n.declaration.type) {
case 'FunctionDeclaration':
case 'ClassDeclaration':
case 'TypeAlias':
// flowtype with babel-eslint parser
m.namespace.set(n.declaration.id.name, captureDoc(n));
break;
case 'VariableDeclaration':
n.declaration.declarations.forEach(function (d) {
return recursivePatternCapture(d.id, function (id) {
return m.namespace.set(id.name, captureDoc(d, n));
});
});
break;
}
}
n.specifiers.forEach(function (s) {
var exportMeta = {};
var local = void 0;
switch (s.type) {
case 'ExportDefaultSpecifier':
if (!n.source) return;
local = 'default';
break;
case 'ExportNamespaceSpecifier':
m.namespace.set(s.exported.name, Object.defineProperty(exportMeta, 'namespace', {
get: function get() {
return resolveImport(n);
}
}));
return;
case 'ExportSpecifier':
if (!n.source) {
m.namespace.set(s.exported.name, addNamespace(exportMeta, s.local));
return;
}
// else falls through
default:
local = s.local.name;
break;
}
// todo: JSDoc
m.reexports.set(s.exported.name, { local: local, getImport: function getImport() {
return resolveImport(n);
} });
});
}
});
return m;
};
/**
* Note that this does not check explicitly re-exported names for existence
* in the base namespace, but it will expand all `export * from '...'` exports
* if not found in the explicit namespace.
* @param {string} name
* @return {Boolean} true if `name` is exported by this module.
*/
ExportMap.prototype.has = function has(name) {
if (this.namespace.has(name)) return true;
if (this.reexports.has(name)) return true;
// default exports must be explicitly re-exported (#328)
if (name !== 'default') {
for (var _iterator = this.dependencies.values(), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var dep = _ref;
var innerMap = dep();
// todo: report as unresolved?
if (!innerMap) continue;
if (innerMap.has(name)) return true;
}
}
return false;
};
/**
* ensure that imported name fully resolves.
* @param {[type]} name [description]
* @return {Boolean} [description]
*/
ExportMap.prototype.hasDeep = function hasDeep(name) {
if (this.namespace.has(name)) return { found: true, path: [this] };
if (this.reexports.has(name)) {
var _reexports$get = this.reexports.get(name);
var local = _reexports$get.local;
var getImport = _reexports$get.getImport;
var imported = getImport();
// if import is ignored, return explicit 'null'
if (imported == null) return { found: true, path: [this] };
// safeguard against cycles, only if name matches
if (imported.path === this.path && local === name) return { found: false, path: [this] };
var deep = imported.hasDeep(local);
deep.path.unshift(this);
return deep;
}
// default exports must be explicitly re-exported (#328)
if (name !== 'default') {
for (var _iterator2 = this.dependencies.values(), _isArray2 = Array.isArray(_iterator2), _i2 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
var _ref2;
if (_isArray2) {
if (_i2 >= _iterator2.length) break;
_ref2 = _iterator2[_i2++];
} else {
_i2 = _iterator2.next();
if (_i2.done) break;
_ref2 = _i2.value;
}
var dep = _ref2;
var innerMap = dep();
// todo: report as unresolved?
if (!innerMap) continue;
// safeguard against cycles
if (innerMap.path === this.path) continue;
var innerValue = innerMap.hasDeep(name);
if (innerValue.found) {
innerValue.path.unshift(this);
return innerValue;
}
}
}
return { found: false, path: [this] };
};
ExportMap.prototype.get = function get(name) {
if (this.namespace.has(name)) return this.namespace.get(name);
if (this.reexports.has(name)) {
var _reexports$get2 = this.reexports.get(name);
var local = _reexports$get2.local;
var getImport = _reexports$get2.getImport;
var imported = getImport();
// if import is ignored, return explicit 'null'
if (imported == null) return null;
// safeguard against cycles, only if name matches
if (imported.path === this.path && local === name) return undefined;
return imported.get(local);
}
// default exports must be explicitly re-exported (#328)
if (name !== 'default') {
for (var _iterator3 = this.dependencies.values(), _isArray3 = Array.isArray(_iterator3), _i3 = 0, _iterator3 = _isArray3 ? _iterator3 : _iterator3[Symbol.iterator]();;) {
var _ref3;
if (_isArray3) {
if (_i3 >= _iterator3.length) break;
_ref3 = _iterator3[_i3++];
} else {
_i3 = _iterator3.next();
if (_i3.done) break;
_ref3 = _i3.value;
}
var dep = _ref3;
var innerMap = dep();
// todo: report as unresolved?
if (!innerMap) continue;
// safeguard against cycles
if (innerMap.path === this.path) continue;
var innerValue = innerMap.get(name);
if (innerValue !== undefined) return innerValue;
}
}
return undefined;
};
ExportMap.prototype.forEach = function forEach(callback, thisArg) {
var _this = this;
this.namespace.forEach(function (v, n) {
return callback.call(thisArg, v, n, _this);
});
this.reexports.forEach(function (_ref4, name) {
var getImport = _ref4.getImport;
var local = _ref4.local;
return callback.call(thisArg, getImport().get(local), name, _this);
});
this.dependencies.forEach(function (dep) {
return dep().forEach(function (v, n) {
return n !== 'default' && callback.call(thisArg, v, n, _this);
});
});
};
// todo: keys, values, entries?
ExportMap.prototype.reportErrors = function reportErrors(context, declaration) {
context.report({
node: declaration.source,
message: 'Parse errors in imported module \'' + declaration.source.value + '\': ' + ('' + this.errors.map(function (e) {
return e.message + ' (' + e.lineNumber + ':' + e.column + ')';
}).join(', '))
});
};
_createClass(ExportMap, [{
key: 'hasDefault',
get: function get() {
return this.get('default') != null;
} // stronger than this.has
}, {
key: 'size',
get: function get() {
var size = this.namespace.size + this.reexports.size;
this.dependencies.forEach(function (dep) {
return size += dep().size;
});
return size;
}
}]);
return ExportMap;
}();
/**
* parse JSDoc from the first node that has leading comments
* @param {...[type]} nodes [description]
* @return {{doc: object}}
*/
exports.default = ExportMap;
function captureDoc() {
var metadata = {};
// 'some' short-circuits on first 'true'
for (var _len = arguments.length, nodes = Array(_len), _key = 0; _key < _len; _key++) {
nodes[_key] = arguments[_key];
}
nodes.some(function (n) {
if (!n.leadingComments) return false;
// capture XSDoc
n.leadingComments.forEach(function (comment) {
// skip non-block comments
if (comment.value.slice(0, 4) !== '*\n *') return;
try {
metadata.doc = doctrine.parse(comment.value, { unwrap: true });
} catch (err) {
/* don't care, for now? maybe add to `errors?` */
}
});
return true;
});
return metadata;
}
/**
* Traverse a pattern/identifier node, calling 'callback'
* for each leaf identifier.
* @param {node} pattern
* @param {Function} callback
* @return {void}
*/
function recursivePatternCapture(pattern, callback) {
switch (pattern.type) {
case 'Identifier':
// base case
callback(pattern);
break;
case 'ObjectPattern':
pattern.properties.forEach(function (_ref5) {
var value = _ref5.value;
recursivePatternCapture(value, callback);
});
break;
case 'ArrayPattern':
pattern.elements.forEach(function (element) {
if (element == null) return;
recursivePatternCapture(element, callback);
});
break;
}
}
//# 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'es6-symbol/implement'\nimport Map from 'es6-map'\n\nimport * as fs from 'fs'\n\nimport { createHash } from 'crypto'\nimport * as doctrine from 'doctrine'\n\nimport parse from './parse'\nimport resolve from './resolve'\nimport isIgnored from './ignore'\n\nimport { hashObject } from './hash'\n\nconst exportCache = new Map()\n\n/**\n * detect exports without a full parse.\n * used primarily to ignore the import/ignore setting, iif it looks like\n * there might be something there (i.e., jsnext:main is set).\n * @type {RegExp}\n */\nconst hasExports = new RegExp('(^|[\\\\n;])\\\\s*export\\\\s[\\\\w{*]')\n\nexport default class ExportMap {\n  constructor(path) {\n    this.path = path\n    this.namespace = new Map()\n    // todo: restructure to key on path, value is resolver + map of names\n    this.reexports = new Map()\n    this.dependencies = new Map()\n    this.errors = []\n  }\n\n  get hasDefault() { return this.get('default') != null } // stronger than this.has\n\n  get size() {\n    let size = this.namespace.size + this.reexports.size\n    this.dependencies.forEach(dep => size += dep().size)\n    return size\n  }\n\n  static get(source, context) {\n\n    var path = resolve(source, context)\n    if (path == null) return null\n\n    return ExportMap.for(path, context)\n  }\n\n  static for(path, context) {\n    let exportMap\n\n    const cacheKey = hashObject(createHash('sha256'), {\n      settings: context.settings,\n      parserPath: context.parserPath,\n      parserOptions: context.parserOptions,\n      path,\n    }).digest('hex')\n\n    exportMap = exportCache.get(cacheKey)\n\n    // return cached ignore\n    if (exportMap === null) return null\n\n    const stats = fs.statSync(path)\n    if (exportMap != null) {\n      // date equality check\n      if (exportMap.mtime - stats.mtime === 0) {\n        return exportMap\n      }\n      // future: check content equality?\n    }\n\n    const content = fs.readFileSync(path, { encoding: 'utf8' })\n\n    // check for and cache ignore\n    if (isIgnored(path, context) && !hasExports.test(content)) {\n      exportCache.set(cacheKey, null)\n      return null\n    }\n\n    exportMap = ExportMap.parse(path, content, context)\n    exportMap.mtime = stats.mtime\n\n    exportCache.set(cacheKey, exportMap)\n    return exportMap\n  }\n\n  static parse(path, content, context) {\n    var m = new ExportMap(path)\n\n    try {\n      var ast = parse(content, context)\n    } catch (err) {\n      m.errors.push(err)\n      return m // can't continue\n    }\n\n    // attempt to collect module doc\n    ast.comments.some(c => {\n      if (c.type !== 'Block') return false\n      try {\n        const doc = doctrine.parse(c.value, { unwrap: true })\n        if (doc.tags.some(t => t.title === 'module')) {\n          m.doc = doc\n          return true\n        }\n      } catch (err) { /* ignore */ }\n      return false\n    })\n\n    const namespaces = new Map()\n\n    function remotePath(node) {\n      return resolve.relative(node.source.value, path, context.settings)\n    }\n\n    function resolveImport(node) {\n      const rp = remotePath(node)\n      if (rp == null) return null\n      return ExportMap.for(rp, context)\n    }\n\n    function getNamespace(identifier) {\n      if (!namespaces.has(identifier.name)) return\n\n      return function () {\n        return resolveImport(namespaces.get(identifier.name))\n      }\n    }\n\n    function addNamespace(object, identifier) {\n      const nsfn = getNamespace(identifier)\n      if (nsfn) {\n        Object.defineProperty(object, 'namespace', { get: nsfn })\n      }\n\n      return object\n    }\n\n\n    ast.body.forEach(function (n) {\n\n      if (n.type === 'ExportDefaultDeclaration') {\n        const exportMeta = captureDoc(n)\n        if (n.declaration.type === 'Identifier') {\n          addNamespace(exportMeta, n.declaration)\n        }\n        m.namespace.set('default', exportMeta)\n        return\n      }\n\n      if (n.type === 'ExportAllDeclaration') {\n        let remoteMap = remotePath(n)\n        if (remoteMap == null) return\n        m.dependencies.set(remoteMap, () => ExportMap.for(remoteMap, context))\n        return\n      }\n\n      // capture namespaces in case of later export\n      if (n.type === 'ImportDeclaration') {\n        let ns\n        if (n.specifiers.some(s => s.type === 'ImportNamespaceSpecifier' && (ns = s))) {\n          namespaces.set(ns.local.name, n)\n        }\n        return\n      }\n\n      if (n.type === 'ExportNamedDeclaration'){\n        // capture declaration\n        if (n.declaration != null) {\n          switch (n.declaration.type) {\n            case 'FunctionDeclaration':\n            case 'ClassDeclaration':\n            case 'TypeAlias': // flowtype with babel-eslint parser\n              m.namespace.set(n.declaration.id.name, captureDoc(n))\n              break\n            case 'VariableDeclaration':\n              n.declaration.declarations.forEach((d) =>\n                recursivePatternCapture(d.id, id => m.namespace.set(id.name, captureDoc(d, n))))\n              break\n          }\n        }\n\n        n.specifiers.forEach((s) => {\n          const exportMeta = {}\n          let local\n\n          switch (s.type) {\n            case 'ExportDefaultSpecifier':\n              if (!n.source) return\n              local = 'default'\n              break\n            case 'ExportNamespaceSpecifier':\n              m.namespace.set(s.exported.name, Object.defineProperty(exportMeta, 'namespace', {\n                get() { return resolveImport(n) },\n              }))\n              return\n            case 'ExportSpecifier':\n              if (!n.source) {\n                m.namespace.set(s.exported.name, addNamespace(exportMeta, s.local))\n                return\n              }\n              // else falls through\n            default:\n              local = s.local.name\n              break\n          }\n\n          // todo: JSDoc\n          m.reexports.set(s.exported.name, { local, getImport: () => resolveImport(n) })\n        })\n      }\n    })\n\n    return m\n  }\n\n  /**\n   * Note that this does not check explicitly re-exported names for existence\n   * in the base namespace, but it will expand all `export * from '...'` exports\n   * if not found in the explicit namespace.\n   * @param  {string}  name\n   * @return {Boolean} true if `name` is exported by this module.\n   */\n  has(name) {\n    if (this.namespace.has(name)) return true\n    if (this.reexports.has(name)) return true\n\n    // default exports must be explicitly re-exported (#328)\n    if (name !== 'default') {\n      for (let dep of this.dependencies.values()) {\n        let innerMap = dep()\n\n        // todo: report as unresolved?\n        if (!innerMap) continue\n\n        if (innerMap.has(name)) return true\n      }\n    }\n\n    return false\n  }\n\n  /**\n   * ensure that imported name fully resolves.\n   * @param  {[type]}  name [description]\n   * @return {Boolean}      [description]\n   */\n  hasDeep(name) {\n    if (this.namespace.has(name)) return { found: true, path: [this] }\n\n    if (this.reexports.has(name)) {\n      const { local, getImport } = this.reexports.get(name)\n          , imported = getImport()\n\n      // if import is ignored, return explicit 'null'\n      if (imported == null) return { found: true, path: [this] }\n\n      // safeguard against cycles, only if name matches\n      if (imported.path === this.path && local === name) return { found: false, path: [this] }\n\n      const deep = imported.hasDeep(local)\n      deep.path.unshift(this)\n\n      return deep\n    }\n\n\n    // default exports must be explicitly re-exported (#328)\n    if (name !== 'default') {\n      for (let dep of this.dependencies.values()) {\n        let innerMap = dep()\n        // todo: report as unresolved?\n        if (!innerMap) continue\n\n        // safeguard against cycles\n        if (innerMap.path === this.path) continue\n\n        let innerValue = innerMap.hasDeep(name)\n        if (innerValue.found) {\n          innerValue.path.unshift(this)\n          return innerValue\n        }\n      }\n    }\n\n    return { found: false, path: [this] }\n  }\n\n  get(name) {\n    if (this.namespace.has(name)) return this.namespace.get(name)\n\n    if (this.reexports.has(name)) {\n      const { local, getImport } = this.reexports.get(name)\n          , imported = getImport()\n\n      // if import is ignored, return explicit 'null'\n      if (imported == null) return null\n\n      // safeguard against cycles, only if name matches\n      if (imported.path === this.path && local === name) return undefined\n\n      return imported.get(local)\n    }\n\n    // default exports must be explicitly re-exported (#328)\n    if (name !== 'default') {\n      for (let dep of this.dependencies.values()) {\n        let innerMap = dep()\n        // todo: report as unresolved?\n        if (!innerMap) continue\n\n        // safeguard against cycles\n        if (innerMap.path === this.path) continue\n\n        let innerValue = innerMap.get(name)\n        if (innerValue !== undefined) return innerValue\n      }\n    }\n\n    return undefined\n  }\n\n  forEach(callback, thisArg) {\n    this.namespace.forEach((v, n) =>\n      callback.call(thisArg, v, n, this))\n\n    this.reexports.forEach(({ getImport, local }, name) =>\n      callback.call(thisArg, getImport().get(local), name, this))\n\n    this.dependencies.forEach(dep => dep().forEach((v, n) =>\n      n !== 'default' && callback.call(thisArg, v, n, this)))\n  }\n\n  // todo: keys, values, entries?\n\n  reportErrors(context, declaration) {\n    context.report({\n      node: declaration.source,\n      message: `Parse errors in imported module '${declaration.source.value}': ` +\n                  `${this.errors\n                        .map(e => `${e.message} (${e.lineNumber}:${e.column})`)\n                        .join(', ')}`,\n    })\n  }\n}\n\n/**\n * parse JSDoc from the first node that has leading comments\n * @param  {...[type]} nodes [description]\n * @return {{doc: object}}\n */\nfunction captureDoc(...nodes) {\n  const metadata = {}\n\n  // 'some' short-circuits on first 'true'\n  nodes.some(n => {\n    if (!n.leadingComments) return false\n\n    // capture XSDoc\n    n.leadingComments.forEach(comment => {\n      // skip non-block comments\n      if (comment.value.slice(0, 4) !== '*\\n *') return\n      try {\n        metadata.doc = doctrine.parse(comment.value, { unwrap: true })\n      } catch (err) {\n        /* don't care, for now? maybe add to `errors?` */\n      }\n    })\n    return true\n  })\n\n  return metadata\n}\n\n/**\n * Traverse a pattern/identifier node, calling 'callback'\n * for each leaf identifier.\n * @param  {node}   pattern\n * @param  {Function} callback\n * @return {void}\n */\nexport function recursivePatternCapture(pattern, callback) {\n  switch (pattern.type) {\n    case 'Identifier': // base case\n      callback(pattern)\n      break\n\n    case 'ObjectPattern':\n      pattern.properties.forEach(({ value }) => {\n        recursivePatternCapture(value, callback)\n      })\n      break\n\n    case 'ArrayPattern':\n      pattern.elements.forEach((element) => {\n        if (element == null) return\n        recursivePatternCapture(element, callback)\n      })\n      break\n  }\n}\n"]}