77 lines
2.9 KiB
Bash
Executable File
77 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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# Scan JS bundle(s) for WebGL/shader keywords and report tech stack
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# Usage: scan-bundle.sh <file1.js> [file2.js ...]
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# Output: keyword counts + tech stack guess
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set -eu
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if [ $# -eq 0 ]; then
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echo "Usage: scan-bundle.sh <file1.js> [file2.js ...]"
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echo "Scans JS files for WebGL/shader keywords and identifies tech stack."
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exit 1
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fi
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FILES=("$@")
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echo "=== SHADER/WEBGL KEYWORD SCAN ==="
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echo ""
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# Core GLSL keywords
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echo "--- GLSL Keywords ---"
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for kw in "gl_FragColor" "gl_Position" "gl_PointSize" "gl_PointCoord" \
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"precision" "uniform" "varying" "attribute" \
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"FRAGMENT_SHADER" "VERTEX_SHADER" "createShader" \
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"sampler2D" "texture2D" "smoothstep" "discard"; do
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count=$(grep -o "$kw" "${FILES[@]}" 2>/dev/null | wc -l | tr -d ' ')
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[ "$count" -gt 0 ] && printf " %-25s %s\n" "$kw" "$count" || true
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done
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echo ""
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echo "--- WebGL/Canvas Keywords ---"
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for kw in "canvas" "webgl" "webgl2" "getContext" "shader" "glsl" \
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"framebuffer" "renderbuffer" "drawArrays" "drawElements" \
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"bufferData" "texImage2D" "POINTS"; do
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count=$(grep -oi "$kw" "${FILES[@]}" 2>/dev/null | wc -l | tr -d ' ')
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[ "$count" -gt 0 ] && printf " %-25s %s\n" "$kw" "$count" || true
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done
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echo ""
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echo "--- Noise/Math Keywords ---"
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for kw in "snoise" "simplex" "perlin" "noise" "PoissonDisk" "Poisson"; do
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count=$(grep -o "$kw" "${FILES[@]}" 2>/dev/null | wc -l | tr -d ' ')
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[ "$count" -gt 0 ] && printf " %-25s %s\n" "$kw" "$count" || true
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done
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echo ""
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echo "=== TECH STACK DETECTION ==="
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detect() {
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local label="$1" pattern="$2"
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local count
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count=$(grep -oE "$pattern" "${FILES[@]}" 2>/dev/null | wc -l | tr -d ' ')
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[ "$count" -gt 0 ] && printf " %-25s %s hits\n" "$label" "$count" || true
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}
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# Frameworks (patterns specific enough to avoid false positives)
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detect "Three.js" "THREE\.|WebGLRenderer|ShaderMaterial|BufferGeometry|PerspectiveCamera|OrthographicCamera"
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detect "Three.js (minified)" "setRenderTarget|DataTexture|setPixelRatio|setClearColor"
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detect "PixiJS" "PIXI\.|pixi\.js|PixiJS"
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detect "Babylon.js" "BABYLON\.|babylonjs"
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detect "Raw WebGL" "gl\.bindBuffer|gl\.bindTexture|gl\.useProgram|gl\.attachShader|gl\.linkProgram"
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detect "Regl" "regl\(|regl\.frame|regl\.texture"
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detect "OGL" "ogl\.|ogl/"
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# Patterns
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detect "GPGPU" "setRenderTarget|RenderTarget|ping.pong|gpgpu|GPGPU"
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detect "Particles" "gl_PointSize|gl_PointCoord|PointSize|particl"
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detect "Post-processing" "EffectComposer|RenderPass|ShaderPass|postprocess"
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detect "Ray marching" "rayMarch|sdSphere|sdBox|sdRoundBox"
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detect "Instancing" "InstancedMesh|InstancedBufferGeometry|instanceMatrix"
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echo ""
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echo "=== FILE SIZES ==="
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for f in "${FILES[@]}"; do
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size=$(wc -c < "$f" | tr -d ' ')
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echo " $(basename "$f"): ${size} bytes"
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done
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