189 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			189 lines
		
	
	
		
			5.8 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
"use strict";
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exports.__esModule = true;
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exports.createUtilsGetter = createUtilsGetter;
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exports.getImportSource = getImportSource;
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exports.getRequireSource = getRequireSource;
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exports.has = has;
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exports.intersection = intersection;
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exports.resolveKey = resolveKey;
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exports.resolveSource = resolveSource;
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var _babel = _interopRequireWildcard(require("@babel/core"));
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function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
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const {
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  types: t,
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  template: template
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} = _babel.default || _babel;
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function intersection(a, b) {
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  const result = new Set();
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  a.forEach(v => b.has(v) && result.add(v));
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  return result;
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}
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function has(object, key) {
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  return Object.prototype.hasOwnProperty.call(object, key);
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}
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function resolve(path, resolved = new Set()) {
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  if (resolved.has(path)) return;
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  resolved.add(path);
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  if (path.isVariableDeclarator()) {
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    if (path.get("id").isIdentifier()) {
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      return resolve(path.get("init"), resolved);
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    }
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  } else if (path.isReferencedIdentifier()) {
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    const binding = path.scope.getBinding(path.node.name);
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    if (!binding) return path;
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    if (!binding.constant) return;
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    return resolve(binding.path, resolved);
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  }
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  return path;
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}
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function resolveId(path) {
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  if (path.isIdentifier() && !path.scope.hasBinding(path.node.name, /* noGlobals */true)) {
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    return path.node.name;
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  }
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  const resolved = resolve(path);
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  if (resolved != null && resolved.isIdentifier()) {
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    return resolved.node.name;
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  }
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}
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function resolveKey(path, computed = false) {
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  const {
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    scope
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  } = path;
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  if (path.isStringLiteral()) return path.node.value;
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  const isIdentifier = path.isIdentifier();
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  if (isIdentifier && !(computed || path.parent.computed)) {
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    return path.node.name;
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  }
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  if (computed && path.isMemberExpression() && path.get("object").isIdentifier({
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    name: "Symbol"
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  }) && !scope.hasBinding("Symbol", /* noGlobals */true)) {
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    const sym = resolveKey(path.get("property"), path.node.computed);
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    if (sym) return "Symbol." + sym;
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  }
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  if (isIdentifier ? scope.hasBinding(path.node.name, /* noGlobals */true) : path.isPure()) {
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    const {
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      value
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    } = path.evaluate();
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    if (typeof value === "string") return value;
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  }
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}
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function resolveSource(obj) {
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  if (obj.isMemberExpression() && obj.get("property").isIdentifier({
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    name: "prototype"
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  })) {
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    const id = resolveId(obj.get("object"));
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    if (id) {
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      return {
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        id,
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        placement: "prototype"
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      };
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    }
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    return {
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      id: null,
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      placement: null
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    };
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  }
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  const id = resolveId(obj);
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  if (id) {
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    return {
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      id,
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      placement: "static"
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    };
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  }
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  const path = resolve(obj);
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  switch (path == null ? void 0 : path.type) {
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    case "RegExpLiteral":
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      return {
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        id: "RegExp",
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        placement: "prototype"
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      };
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    case "FunctionExpression":
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      return {
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        id: "Function",
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        placement: "prototype"
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      };
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    case "StringLiteral":
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      return {
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        id: "String",
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        placement: "prototype"
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      };
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    case "NumberLiteral":
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      return {
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        id: "Number",
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        placement: "prototype"
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      };
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    case "BooleanLiteral":
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      return {
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        id: "Boolean",
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        placement: "prototype"
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      };
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    case "ObjectExpression":
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      return {
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        id: "Object",
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        placement: "prototype"
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      };
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    case "ArrayExpression":
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      return {
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        id: "Array",
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        placement: "prototype"
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      };
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  }
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  return {
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    id: null,
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    placement: null
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  };
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}
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function getImportSource({
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  node
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}) {
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  if (node.specifiers.length === 0) return node.source.value;
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}
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function getRequireSource({
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  node
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}) {
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  if (!t.isExpressionStatement(node)) return;
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  const {
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    expression
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  } = node;
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  if (t.isCallExpression(expression) && t.isIdentifier(expression.callee) && expression.callee.name === "require" && expression.arguments.length === 1 && t.isStringLiteral(expression.arguments[0])) {
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    return expression.arguments[0].value;
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  }
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}
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function hoist(node) {
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  // @ts-expect-error
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  node._blockHoist = 3;
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  return node;
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}
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function createUtilsGetter(cache) {
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  return path => {
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    const prog = path.findParent(p => p.isProgram());
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    return {
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      injectGlobalImport(url, moduleName) {
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        cache.storeAnonymous(prog, url, moduleName, (isScript, source) => {
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          return isScript ? template.statement.ast`require(${source})` : t.importDeclaration([], source);
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        });
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      },
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      injectNamedImport(url, name, hint = name, moduleName) {
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        return cache.storeNamed(prog, url, name, moduleName, (isScript, source, name) => {
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          const id = prog.scope.generateUidIdentifier(hint);
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          return {
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            node: isScript ? hoist(template.statement.ast`
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                  var ${id} = require(${source}).${name}
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                `) : t.importDeclaration([t.importSpecifier(id, name)], source),
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            name: id.name
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          };
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        });
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      },
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      injectDefaultImport(url, hint = url, moduleName) {
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        return cache.storeNamed(prog, url, "default", moduleName, (isScript, source) => {
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          const id = prog.scope.generateUidIdentifier(hint);
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          return {
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            node: isScript ? hoist(template.statement.ast`var ${id} = require(${source})`) : t.importDeclaration([t.importDefaultSpecifier(id)], source),
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            name: id.name
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          };
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        });
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      }
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    };
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  };
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} |