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115 lines
3.9 KiB
115 lines
3.9 KiB
"use strict"; |
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exports.__esModule = true; |
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exports.default = void 0; |
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var babel = _interopRequireWildcard(require("@babel/core")); |
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function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; } |
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function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; } |
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const { |
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types: t |
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} = babel.default || babel; |
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class ImportsCache { |
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constructor(resolver) { |
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this._imports = new WeakMap(); |
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this._anonymousImports = new WeakMap(); |
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this._lastImports = new WeakMap(); |
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this._resolver = resolver; |
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} |
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storeAnonymous(programPath, url, // eslint-disable-next-line no-undef |
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getVal) { |
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const key = this._normalizeKey(programPath, url); |
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const imports = this._ensure(this._anonymousImports, programPath, Set); |
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if (imports.has(key)) return; |
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const node = getVal(programPath.node.sourceType === "script", t.stringLiteral(this._resolver(url))); |
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imports.add(key); |
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this._injectImport(programPath, node); |
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} |
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storeNamed(programPath, url, name, getVal) { |
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const key = this._normalizeKey(programPath, url, name); |
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const imports = this._ensure(this._imports, programPath, Map); |
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if (!imports.has(key)) { |
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const { |
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node, |
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name: id |
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} = getVal(programPath.node.sourceType === "script", t.stringLiteral(this._resolver(url)), t.identifier(name)); |
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imports.set(key, id); |
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this._injectImport(programPath, node); |
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} |
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return t.identifier(imports.get(key)); |
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} |
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_injectImport(programPath, node) { |
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let lastImport = this._lastImports.get(programPath); |
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if (lastImport && lastImport.node && // Sometimes the AST is modified and the "last import" |
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// we have has been replaced |
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lastImport.parent === programPath.node && lastImport.container === programPath.node.body) { |
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lastImport = lastImport.insertAfter(node); |
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} else { |
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lastImport = programPath.unshiftContainer("body", node); |
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} |
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lastImport = lastImport[lastImport.length - 1]; |
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this._lastImports.set(programPath, lastImport); |
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/* |
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let lastImport; |
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programPath.get("body").forEach(path => { |
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if (path.isImportDeclaration()) lastImport = path; |
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if ( |
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path.isExpressionStatement() && |
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isRequireCall(path.get("expression")) |
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) { |
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lastImport = path; |
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} |
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if ( |
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path.isVariableDeclaration() && |
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path.get("declarations").length === 1 && |
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(isRequireCall(path.get("declarations.0.init")) || |
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(path.get("declarations.0.init").isMemberExpression() && |
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isRequireCall(path.get("declarations.0.init.object")))) |
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) { |
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lastImport = path; |
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} |
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});*/ |
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} |
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_ensure(map, programPath, Collection) { |
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let collection = map.get(programPath); |
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if (!collection) { |
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collection = new Collection(); |
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map.set(programPath, collection); |
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} |
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return collection; |
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} |
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_normalizeKey(programPath, url, name = "") { |
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const { |
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sourceType |
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} = programPath.node; // If we rely on the imported binding (the "name" parameter), we also need to cache |
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// based on the sourceType. This is because the module transforms change the names |
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// of the import variables. |
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return `${name && sourceType}::${url}::${name}`; |
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} |
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} |
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exports.default = ImportsCache; |