{"id":3389,"date":"2024-11-10T14:50:47","date_gmt":"2024-11-10T06:50:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3389\/"},"modified":"2024-11-10T14:50:47","modified_gmt":"2024-11-10T06:50:47","slug":"js%e5%a6%82%e4%bd%95%e5%81%9a%e5%ad%97%e8%8a%82%e7%a0%81%e6%8f%92%e6%a1%a9","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3389\/","title":{"rendered":"js\u5982\u4f55\u505a\u5b57\u8282\u7801\u63d2\u6869"},"content":{"rendered":"<blockquote><p>\n  javascript \u5b57\u8282\u7801\u63d2\u6869\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u4fee\u6539 javascript \u4ee3\u7801\u884c\u4e3a\uff1a\u83b7\u53d6\u5b57\u8282\u7801\u3001\u89e3\u6790\u5b57\u8282\u7801\u3001\u4fee\u6539 ast\u3001\u91cd\u65b0\u751f\u6210\u5b57\u8282\u7801\u3001\u66ff\u6362\u539f\u59cb\u51fd\u6570\u3002\u793a\u4f8b\uff1a\u4f7f\u7528 babel \u63d2\u6869\u8bb0\u5f55\u51fd\u6570\u8c03\u7528\u3002\u5176\u4ed6\u5de5\u5177\u5305\u62ec dynamodb transformer\u3001jsbytecode \u548c jsclasstransformer\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110811242213123.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u505a\u5b57\u8282\u7801\u63d2\u6869\u63d2\u56fe\" alt=\"js\u5982\u4f55\u505a\u5b57\u8282\u7801\u63d2\u6869\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JavaScript \u8fdb\u884c\u5b57\u8282\u7801\u63d2\u6869\uff1f<\/strong><\/p>\n<p>\u5b57\u8282\u7801\u63d2\u6869\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5728 JavaScript \u4ee3\u7801\u6267\u884c\u8fc7\u7a0b\u4e2d\u4fee\u6539\u5176\u884c\u4e3a\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4e0d\u4fee\u6539\u539f\u59cb\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u6ce8\u5165\u65b0\u903b\u8f91\u6216\u66f4\u6539\u73b0\u6709\u4ee3\u7801\u3002<\/p>\n<p><strong>\u5b9e\u73b0\u5b57\u8282\u7801\u63d2\u6869\u7684\u6b65\u9aa4\uff1a<\/strong><\/p>\n<p><strong>1. \u83b7\u53d6\u5b57\u8282\u7801\uff1a<\/strong><br \/>\u4f7f\u7528 Function.prototype.toString() \u65b9\u6cd5\u83b7\u53d6 JavaScript \u51fd\u6570\u7684\u5b57\u8282\u7801\u8868\u793a\u5f62\u5f0f\u3002<\/p>\n<p><strong>2. \u89e3\u6790\u5b57\u8282\u7801\uff1a<\/strong><br \/>\u4f7f\u7528\u8bed\u6cd5\u89e3\u6790\u5668\uff08\u4f8b\u5982 Babel \u6216 Esprima\uff09\u5c06\u5b57\u8282\u7801\u89e3\u6790\u4e3a\u62bd\u8c61\u8bed\u6cd5\u6811\uff08AST\uff09\u3002<\/p>\n<p><strong>3. \u4fee\u6539 AST\uff1a<\/strong><br \/>\u4f7f\u7528 AST \u64cd\u4f5c\u5e93\uff08\u4f8b\u5982 AST Explorer \u6216 Babel\uff09\u4fee\u6539 AST \u4ee5\u5b9e\u73b0\u6240\u9700\u7684\u66f4\u6539\u3002<\/p>\n<p><strong>4. \u91cd\u65b0\u751f\u6210\u5b57\u8282\u7801\uff1a<\/strong><br \/>\u4f7f\u7528\u5b57\u8282\u7801\u751f\u6210\u5668\uff08\u4f8b\u5982 Babel \u6216 Esprima\uff09\u5c06\u4fee\u6539\u540e\u7684 AST \u91cd\u65b0\u751f\u6210\u5b57\u8282\u7801\u3002<\/p>\n<p><strong>5. \u66ff\u6362\u539f\u59cb\u51fd\u6570\uff1a<\/strong><br \/>\u6700\u540e\uff0c\u4f7f\u7528 Function.prototype.toString() \u65b9\u6cd5\u5c06\u65b0\u751f\u6210\u7684\u5b57\u8282\u7801\u91cd\u65b0\u5206\u914d\u7ed9\u539f\u59cb\u51fd\u6570\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<p>\u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u4f7f\u7528 Babel \u63d2\u6869\u6765\u5728\u4ee3\u7801\u6267\u884c\u524d\u8bb0\u5f55\u51fd\u6570\u8c03\u7528\uff1a<\/p>\n<pre>const babel = require(\"babel-core\");\nconst code = `function foo() { console.log(\"hello\"); }`;\n\nconst result = babel.transform(code, {\n  plugins: [\"babel-plugin-transform-function-calls\"],\n});\n\nconst patchedCode = result.code;\neval(patchedCode);\n\nfoo(); \/\/ \u8f93\u51fa \"Logging foo() call\"<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5176\u4ed6\u5de5\u5177\uff1a<\/strong><\/p>\n<p>\u9664\u4e86 Babel\uff0c\u8fd8\u6709\u5176\u4ed6\u652f\u6301 JavaScript \u5b57\u8282\u7801\u63d2\u6869\u7684\u5de5\u5177\uff1a<\/p>\n<ul>\n<li>[DynamoDB Transformer](https:\/\/hub.com\/awslabs\/dynamodb-transformer)<\/li>\n<li>[JSBytecode](https:\/\/github.com\/kenchris\/JSBytecode)<\/li>\n<li>[JSClassTransformer](https:\/\/github.com\/jashkenas\/jstransformer)<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\u505a\u5b57\u8282\u7801\u63d2\u6869\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>javascript \u5b57\u8282\u7801\u63d2\u6869\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u4fee\u6539 javascript \u4ee3\u7801\u884c\u4e3a\uff1a\u83b7\u53d6\u5b57\u8282\u7801\u3001\u89e3\u6790\u5b57\u8282\u7801\u3001\u4fee\u6539 ast\u3001\u91cd\u65b0\u751f\u6210\u5b57\u8282\u7801\u3001\u66ff\u6362\u539f\u59cb\u51fd\u6570\u3002\u793a\u4f8b\uff1a\u4f7f\u7528 babel \u63d2\u6869\u8bb0\u5f55\u51fd\u6570\u8c03\u7528\u3002\u5176\u4ed6\u5de5\u5177\u5305\u62ec dynamodb transformer\u3001jsbytecode \u548c jsclasstransformer\u3002 \u5982\u4f55\u4f7f\u7528 JavaScript \u8fdb\u884c\u5b57\u8282\u7801\u63d2\u6869\uff1f \u5b57\u8282\u7801\u63d2\u6869\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u4e8e\u5728 JavaScript \u4ee3\u7801\u6267\u884c\u8fc7\u7a0b\u4e2d\u4fee\u6539\u5176\u884c\u4e3a\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4e0d\u4fee\u6539\u539f\u59cb\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u6ce8\u5165\u65b0\u903b\u8f91\u6216\u66f4\u6539\u73b0\u6709\u4ee3\u7801\u3002 \u5b9e\u73b0\u5b57\u8282\u7801\u63d2\u6869\u7684\u6b65\u9aa4\uff1a 1. \u83b7\u53d6\u5b57\u8282\u7801\uff1a\u4f7f\u7528 Function.prototype.toString() \u65b9\u6cd5\u83b7\u53d6 JavaScript \u51fd\u6570\u7684\u5b57\u8282\u7801\u8868\u793a\u5f62\u5f0f\u3002 2. \u89e3\u6790\u5b57\u8282\u7801\uff1a\u4f7f\u7528\u8bed\u6cd5\u89e3\u6790\u5668\uff08\u4f8b\u5982 Babel \u6216 Esprima\uff09\u5c06\u5b57\u8282\u7801\u89e3\u6790\u4e3a\u62bd\u8c61\u8bed\u6cd5\u6811\uff08AST\uff09\u3002 3. \u4fee\u6539 AST\uff1a\u4f7f\u7528 AST \u64cd\u4f5c\u5e93\uff08\u4f8b\u5982 AST Explorer \u6216 Babel\uff09\u4fee\u6539 AST \u4ee5\u5b9e\u73b0\u6240\u9700\u7684\u66f4\u6539\u3002 4. \u91cd\u65b0\u751f\u6210\u5b57\u8282\u7801\uff1a\u4f7f\u7528\u5b57\u8282\u7801\u751f\u6210\u5668\uff08\u4f8b\u5982 Babel \u6216 Esprima\uff09\u5c06\u4fee\u6539\u540e\u7684 AST \u91cd\u65b0\u751f\u6210\u5b57\u8282\u7801\u3002 5. \u66ff\u6362\u539f\u59cb\u51fd\u6570\uff1a\u6700\u540e\uff0c\u4f7f\u7528 Function.prototype.toString() \u65b9\u6cd5\u5c06\u65b0\u751f\u6210\u7684\u5b57\u8282\u7801\u91cd\u65b0\u5206\u914d\u7ed9\u539f\u59cb\u51fd\u6570\u3002 \u793a\u4f8b\uff1a \u4ee5\u4e0b\u4ee3\u7801\u7247\u6bb5\u4f7f\u7528 Babel \u63d2\u6869\u6765\u5728\u4ee3\u7801\u6267\u884c\u524d\u8bb0\u5f55\u51fd\u6570\u8c03\u7528\uff1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3389","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3389","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=3389"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3389\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}