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59 lines
2.0 KiB
59 lines
2.0 KiB
2 years ago
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## Script
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NAN provides `v8::Script` helpers as the API has changed over the supported versions of V8.
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- <a href="#api_nan_compile_script"><b><code>Nan::CompileScript()</code></b></a>
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- <a href="#api_nan_run_script"><b><code>Nan::RunScript()</code></b></a>
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- <a href="#api_nan_script_origin"><b><code>Nan::ScriptOrigin</code></b></a>
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<a name="api_nan_compile_script"></a>
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### Nan::CompileScript()
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A wrapper around [`v8::ScriptCompiler::Compile()`](https://v8docs.nodesource.com/node-8.16/da/da5/classv8_1_1_script_compiler.html#a93f5072a0db55d881b969e9fc98e564b).
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Note that `Nan::BoundScript` is an alias for `v8::Script`.
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Signature:
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```c++
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Nan::MaybeLocal<Nan::BoundScript> Nan::CompileScript(
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v8::Local<v8::String> s,
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const v8::ScriptOrigin& origin);
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Nan::MaybeLocal<Nan::BoundScript> Nan::CompileScript(v8::Local<v8::String> s);
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```
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<a name="api_nan_run_script"></a>
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### Nan::RunScript()
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Calls `script->Run()` or `script->BindToCurrentContext()->Run(Nan::GetCurrentContext())`.
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Note that `Nan::BoundScript` is an alias for `v8::Script` and `Nan::UnboundScript` is an alias for `v8::UnboundScript` where available and `v8::Script` on older versions of V8.
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Signature:
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```c++
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Nan::MaybeLocal<v8::Value> Nan::RunScript(v8::Local<Nan::UnboundScript> script)
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Nan::MaybeLocal<v8::Value> Nan::RunScript(v8::Local<Nan::BoundScript> script)
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```
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<a name="api_nan_script_origin"></a>
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### Nan::ScriptOrigin
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A class transparently extending [`v8::ScriptOrigin`](https://v8docs.nodesource.com/node-16.0/db/d84/classv8_1_1_script_origin.html#pub-methods)
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to provide backwards compatibility. Only the listed methods are guaranteed to
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be available on all versions of Node.
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Declaration:
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```c++
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class Nan::ScriptOrigin : public v8::ScriptOrigin {
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public:
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ScriptOrigin(v8::Local<v8::Value> name, v8::Local<v8::Integer> line = v8::Local<v8::Integer>(), v8::Local<v8::Integer> column = v8::Local<v8::Integer>())
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v8::Local<v8::Value> ResourceName() const;
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v8::Local<v8::Integer> ResourceLineOffset() const;
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v8::Local<v8::Integer> ResourceColumnOffset() const;
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}
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```
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