/usr/share/javascript/three/examples/js/shaders/ is in libjs-three 80+dfsg2-1.
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/usr/share/javascript/three/examples/js/shaders/BasicShader.js
/usr/share/javascript/three/examples/js/shaders/BleachBypassShader.js
/usr/share/javascript/three/examples/js/shaders/BlendShader.js
/usr/share/javascript/three/examples/js/shaders/BokehShader.js
/usr/share/javascript/three/examples/js/shaders/BokehShader2.js
/usr/share/javascript/three/examples/js/shaders/BrightnessContrastShader.js
/usr/share/javascript/three/examples/js/shaders/ColorCorrectionShader.js
/usr/share/javascript/three/examples/js/shaders/ColorifyShader.js
/usr/share/javascript/three/examples/js/shaders/ConvolutionShader.js
/usr/share/javascript/three/examples/js/shaders/CopyShader.js
/usr/share/javascript/three/examples/js/shaders/DOFMipMapShader.js
/usr/share/javascript/three/examples/js/shaders/DigitalGlitch.js
/usr/share/javascript/three/examples/js/shaders/DotScreenShader.js
/usr/share/javascript/three/examples/js/shaders/EdgeShader.js
/usr/share/javascript/three/examples/js/shaders/EdgeShader2.js
/usr/share/javascript/three/examples/js/shaders/FXAAShader.js
/usr/share/javascript/three/examples/js/shaders/FilmShader.js
/usr/share/javascript/three/examples/js/shaders/FocusShader.js
/usr/share/javascript/three/examples/js/shaders/FresnelShader.js
/usr/share/javascript/three/examples/js/shaders/GammaCorrectionShader.js
/usr/share/javascript/three/examples/js/shaders/HorizontalBlurShader.js
/usr/share/javascript/three/examples/js/shaders/HorizontalTiltShiftShader.js
/usr/share/javascript/three/examples/js/shaders/HueSaturationShader.js
/usr/share/javascript/three/examples/js/shaders/KaleidoShader.js
/usr/share/javascript/three/examples/js/shaders/LuminosityHighPassShader.js
/usr/share/javascript/three/examples/js/shaders/LuminosityShader.js
/usr/share/javascript/three/examples/js/shaders/MirrorShader.js
/usr/share/javascript/three/examples/js/shaders/NormalMapShader.js
/usr/share/javascript/three/examples/js/shaders/OceanShaders.js
/usr/share/javascript/three/examples/js/shaders/ParallaxShader.js
/usr/share/javascript/three/examples/js/shaders/RGBShiftShader.js
/usr/share/javascript/three/examples/js/shaders/SMAAShader.js
/usr/share/javascript/three/examples/js/shaders/SSAOShader.js
/usr/share/javascript/three/examples/js/shaders/SepiaShader.js
/usr/share/javascript/three/examples/js/shaders/TechnicolorShader.js
/usr/share/javascript/three/examples/js/shaders/ToneMapShader.js
/usr/share/javascript/three/examples/js/shaders/TriangleBlurShader.js
/usr/share/javascript/three/examples/js/shaders/UnpackDepthRGBAShader.js
/usr/share/javascript/three/examples/js/shaders/VerticalBlurShader.js
/usr/share/javascript/three/examples/js/shaders/VerticalTiltShiftShader.js
/usr/share/javascript/three/examples/js/shaders/VignetteShader.js