go plots
This commit is contained in:
Anton Nesterov
parent
868bf08a07
commit
1d9cee5ee1
1
.gitignore
vendored
1
.gitignore
vendored
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@ -1,2 +1,3 @@
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.DS_Store
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.DS_Store
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node_modules
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node_modules
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deno.lock
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4
Makefile
vendored
4
Makefile
vendored
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@ -1,5 +1,7 @@
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dev:
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dev:
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GOOS=js GOARCH=wasm tinygo build -o stat/mod.wasm ./stat/main.go
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GOOS=js GOARCH=wasm tinygo build -o stat/mod.wasm -no-debug ./stat/main.go
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GOOS=js GOARCH=wasm go build -o plot/mod.wasm ./plot/main.go
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prod:
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prod:
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GOOS=js GOARCH=wasm tinygo build -o stat/mod.wasm -no-debug ./stat/main.go
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GOOS=js GOARCH=wasm tinygo build -o stat/mod.wasm -no-debug ./stat/main.go
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GOOS=js GOARCH=wasm tinygo build -o plot/mod.wasm -no-debug ./plot/main.go
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25
go.mod
25
go.mod
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@ -3,6 +3,29 @@ module l12.xyz/x/shortcuts
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go 1.22.6
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go 1.22.6
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require (
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require (
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golang.org/x/exp v0.0.0-20240909161429-701f63a606c0
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github.com/gonum/stat v0.0.0-20181125101827-41a0da705a5b
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gonum.org/v1/gonum v0.15.1
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gonum.org/v1/gonum v0.15.1
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gonum.org/v1/plot v0.14.0
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)
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require (
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git.sr.ht/~sbinet/gg v0.5.0 // indirect
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github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
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github.com/campoy/embedmd v1.0.0 // indirect
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github.com/go-fonts/liberation v0.3.2 // indirect
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github.com/go-latex/latex v0.0.0-20231108140139-5c1ce85aa4ea // indirect
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github.com/go-pdf/fpdf v0.9.0 // indirect
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
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github.com/gonum/blas v0.0.0-20181208220705-f22b278b28ac // indirect
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github.com/gonum/diff v0.0.0-20181124234638-500114f11e71 // indirect
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github.com/gonum/floats v0.0.0-20181209220543-c233463c7e82 // indirect
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github.com/gonum/integrate v0.0.0-20181209220457-a422b5c0fdf2 // indirect
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github.com/gonum/internal v0.0.0-20181124074243-f884aa714029 // indirect
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github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9 // indirect
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github.com/gonum/mathext v0.0.0-20181121095525-8a4bf007ea55 // indirect
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github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9 // indirect
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github.com/pmezard/go-difflib v1.0.0 // indirect
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golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect
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golang.org/x/image v0.14.0 // indirect
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golang.org/x/text v0.14.0 // indirect
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)
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)
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75
go.sum
75
go.sum
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@ -1,4 +1,79 @@
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git.sr.ht/~sbinet/cmpimg v0.1.0 h1:E0zPRk2muWuCqSKSVZIWsgtU9pjsw3eKHi8VmQeScxo=
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git.sr.ht/~sbinet/cmpimg v0.1.0/go.mod h1:FU12psLbF4TfNXkKH2ZZQ29crIqoiqTZmeQ7dkp/pxE=
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git.sr.ht/~sbinet/gg v0.5.0 h1:6V43j30HM623V329xA9Ntq+WJrMjDxRjuAB1LFWF5m8=
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git.sr.ht/~sbinet/gg v0.5.0/go.mod h1:G2C0eRESqlKhS7ErsNey6HHrqU1PwsnCQlekFi9Q2Oo=
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github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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github.com/ajstarks/deck v0.0.0-20200831202436-30c9fc6549a9/go.mod h1:JynElWSGnm/4RlzPXRlREEwqTHAN3T56Bv2ITsFT3gY=
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github.com/ajstarks/deck/generate v0.0.0-20210309230005-c3f852c02e19/go.mod h1:T13YZdzov6OU0A1+RfKZiZN9ca6VeKdBdyDV+BY97Tk=
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github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b h1:slYM766cy2nI3BwyRiyQj/Ud48djTMtMebDqepE95rw=
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github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b/go.mod h1:1KcenG0jGWcpt8ov532z81sp/kMMUG485J2InIOyADM=
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github.com/campoy/embedmd v1.0.0 h1:V4kI2qTJJLf4J29RzI/MAt2c3Bl4dQSYPuflzwFH2hY=
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github.com/campoy/embedmd v1.0.0/go.mod h1:oxyr9RCiSXg0M3VJ3ks0UGfp98BpSSGr0kpiX3MzVl8=
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github.com/go-fonts/dejavu v0.3.2 h1:3XlHi0JBYX+Cp8n98c6qSoHrxPa4AUKDMKdrh/0sUdk=
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github.com/go-fonts/dejavu v0.3.2/go.mod h1:m+TzKY7ZEl09/a17t1593E4VYW8L1VaBXHzFZOIjGEY=
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github.com/go-fonts/latin-modern v0.3.2 h1:M+Sq24Dp0ZRPf3TctPnG1MZxRblqyWC/cRUL9WmdaFc=
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github.com/go-fonts/latin-modern v0.3.2/go.mod h1:9odJt4NbRrbdj4UAMuLVd4zEukf6aAEKnDaQga0whqQ=
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github.com/go-fonts/liberation v0.3.2 h1:XuwG0vGHFBPRRI8Qwbi5tIvR3cku9LUfZGq/Ar16wlQ=
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github.com/go-fonts/liberation v0.3.2/go.mod h1:N0QsDLVUQPy3UYg9XAc3Uh3UDMp2Z7M1o4+X98dXkmI=
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github.com/go-latex/latex v0.0.0-20231108140139-5c1ce85aa4ea h1:DfZQkvEbdmOe+JK2TMtBM+0I9GSdzE2y/L1/AmD8xKc=
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github.com/go-latex/latex v0.0.0-20231108140139-5c1ce85aa4ea/go.mod h1:Y7Vld91/HRbTBm7JwoI7HejdDB0u+e9AUBO9MB7yuZk=
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github.com/go-pdf/fpdf v0.9.0 h1:PPvSaUuo1iMi9KkaAn90NuKi+P4gwMedWPHhj8YlJQw=
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github.com/go-pdf/fpdf v0.9.0/go.mod h1:oO8N111TkmKb9D7VvWGLvLJlaZUQVPM+6V42pp3iV4Y=
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
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github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
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github.com/gonum/blas v0.0.0-20181208220705-f22b278b28ac h1:Q0Jsdxl5jbxouNs1TQYt0gxesYMU4VXRbsTlgDloZ50=
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github.com/gonum/blas v0.0.0-20181208220705-f22b278b28ac/go.mod h1:P32wAyui1PQ58Oce/KYkOqQv8cVw1zAapXOl+dRFGbc=
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github.com/gonum/diff v0.0.0-20181124234638-500114f11e71 h1:BE6g8oinc3Ek2elIHq+uDOiZgX3/ODi+EerJ48yrrKc=
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github.com/gonum/diff v0.0.0-20181124234638-500114f11e71/go.mod h1:22dM4PLscQl+Nzf64qNBurVJvfyvZELT0iRW2l/NN70=
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github.com/gonum/floats v0.0.0-20181209220543-c233463c7e82 h1:EvokxLQsaaQjcWVWSV38221VAK7qc2zhaO17bKys/18=
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github.com/gonum/floats v0.0.0-20181209220543-c233463c7e82/go.mod h1:PxC8OnwL11+aosOB5+iEPoV3picfs8tUpkVd0pDo+Kg=
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github.com/gonum/integrate v0.0.0-20181209220457-a422b5c0fdf2 h1:GUSkTcIe1SlregbHNUKbYDhBsS8lNgYfIp4S4cToUyU=
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github.com/gonum/integrate v0.0.0-20181209220457-a422b5c0fdf2/go.mod h1:pDgmNM6seYpwvPos3q+zxlXMsbve6mOIPucUnUOrI7Y=
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github.com/gonum/internal v0.0.0-20181124074243-f884aa714029 h1:8jtTdc+Nfj9AR+0soOeia9UZSvYBvETVHZrugUowJ7M=
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github.com/gonum/internal v0.0.0-20181124074243-f884aa714029/go.mod h1:Pu4dmpkhSyOzRwuXkOgAvijx4o+4YMUJJo9OvPYMkks=
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github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9 h1:7qnwS9+oeSiOIsiUMajT+0R7HR6hw5NegnKPmn/94oI=
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github.com/gonum/lapack v0.0.0-20181123203213-e4cdc5a0bff9/go.mod h1:XA3DeT6rxh2EAE789SSiSJNqxPaC0aE9J8NTOI0Jo/A=
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github.com/gonum/mathext v0.0.0-20181121095525-8a4bf007ea55 h1:Ajwn2ENgC/pKtVat0LEHEWNa4a4VGyYJ1feGSccOzFU=
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github.com/gonum/mathext v0.0.0-20181121095525-8a4bf007ea55/go.mod h1:fmo8aiSEWkJeiGXUJf+sPvuDgEFgqIoZSs843ePKrGg=
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github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9 h1:V2IgdyerlBa/MxaEFRbV5juy/C3MGdj4ePi+g6ePIp4=
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github.com/gonum/matrix v0.0.0-20181209220409-c518dec07be9/go.mod h1:0EXg4mc1CNP0HCqCz+K4ts155PXIlUywf0wqN+GfPZw=
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github.com/gonum/stat v0.0.0-20181125101827-41a0da705a5b h1:fbskpz/cPqWH8VqkQ7LJghFkl2KPAiIFUHrTJ2O3RGk=
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github.com/gonum/stat v0.0.0-20181125101827-41a0da705a5b/go.mod h1:Z4GIJBJO3Wa4gD4vbwQxXXZ+WHmW6E9ixmNrwvs0iZs=
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github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
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github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 h1:e66Fs6Z+fZTbFBAxKfP3PALWBtpfqks2bwGcexMxgtk=
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golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 h1:e66Fs6Z+fZTbFBAxKfP3PALWBtpfqks2bwGcexMxgtk=
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golang.org/x/exp v0.0.0-20240909161429-701f63a606c0/go.mod h1:2TbTHSBQa924w8M6Xs1QcRcFwyucIwBGpK1p2f1YFFY=
|
golang.org/x/exp v0.0.0-20240909161429-701f63a606c0/go.mod h1:2TbTHSBQa924w8M6Xs1QcRcFwyucIwBGpK1p2f1YFFY=
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|
golang.org/x/image v0.14.0 h1:tNgSxAFe3jC4uYqvZdTr84SZoM1KfwdC9SKIFrLjFn4=
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|
golang.org/x/image v0.14.0/go.mod h1:HUYqC05R2ZcZ3ejNQsIHQDQiwWM4JBqmm6MKANTp4LE=
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|
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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|
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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|
golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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|
golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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|
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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|
golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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|
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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|
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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|
golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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|
golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
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|
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
|
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|
golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
|
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|
golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
|
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|
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
|
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|
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
|
||||||
|
golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
|
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|
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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|
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
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|
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
|
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gonum.org/v1/gonum v0.15.1 h1:FNy7N6OUZVUaWG9pTiD+jlhdQ3lMP+/LcTpJ6+a8sQ0=
|
gonum.org/v1/gonum v0.15.1 h1:FNy7N6OUZVUaWG9pTiD+jlhdQ3lMP+/LcTpJ6+a8sQ0=
|
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gonum.org/v1/gonum v0.15.1/go.mod h1:eZTZuRFrzu5pcyjN5wJhcIhnUdNijYxX1T2IcrOGY0o=
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gonum.org/v1/gonum v0.15.1/go.mod h1:eZTZuRFrzu5pcyjN5wJhcIhnUdNijYxX1T2IcrOGY0o=
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gonum.org/v1/plot v0.14.0 h1:+LBDVFYwFe4LHhdP8coW6296MBEY4nQ+Y4vuUpJopcE=
|
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gonum.org/v1/plot v0.14.0/go.mod h1:MLdR9424SJed+5VqC6MsouEpig9pZX2VZ57H9ko2bXU=
|
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honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
|
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|
rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=
|
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|
rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
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|
|
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679
lib/wasm_exec.js
vendored
Normal file
679
lib/wasm_exec.js
vendored
Normal file
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@ -0,0 +1,679 @@
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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|
|
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|
"use strict";
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|
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|
(() => {
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|
const enosys = () => {
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||||||
|
const err = new Error("not implemented");
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||||||
|
err.code = "ENOSYS";
|
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|
return err;
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|
};
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|
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|
if (!globalThis.fs) {
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let outputBuf = "";
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globalThis.fs = {
|
||||||
|
constants: {
|
||||||
|
O_WRONLY: -1,
|
||||||
|
O_RDWR: -1,
|
||||||
|
O_CREAT: -1,
|
||||||
|
O_TRUNC: -1,
|
||||||
|
O_APPEND: -1,
|
||||||
|
O_EXCL: -1,
|
||||||
|
}, // unused
|
||||||
|
writeSync(fd, buf) {
|
||||||
|
outputBuf += decoder.decode(buf);
|
||||||
|
const nl = outputBuf.lastIndexOf("\n");
|
||||||
|
if (nl != -1) {
|
||||||
|
console.log(outputBuf.substring(0, nl));
|
||||||
|
outputBuf = outputBuf.substring(nl + 1);
|
||||||
|
}
|
||||||
|
return buf.length;
|
||||||
|
},
|
||||||
|
write(fd, buf, offset, length, position, callback) {
|
||||||
|
if (offset !== 0 || length !== buf.length || position !== null) {
|
||||||
|
callback(enosys());
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
const n = this.writeSync(fd, buf);
|
||||||
|
callback(null, n);
|
||||||
|
},
|
||||||
|
chmod(path, mode, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
chown(path, uid, gid, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
close(fd, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
fchmod(fd, mode, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
fchown(fd, uid, gid, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
fstat(fd, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
fsync(fd, callback) {
|
||||||
|
callback(null);
|
||||||
|
},
|
||||||
|
ftruncate(fd, length, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
lchown(path, uid, gid, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
link(path, link, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
lstat(path, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
mkdir(path, perm, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
open(path, flags, mode, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
read(fd, buffer, offset, length, position, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
readdir(path, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
readlink(path, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
rename(from, to, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
rmdir(path, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
stat(path, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
symlink(path, link, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
truncate(path, length, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
unlink(path, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
utimes(path, atime, mtime, callback) {
|
||||||
|
callback(enosys());
|
||||||
|
},
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!globalThis.process) {
|
||||||
|
globalThis.process = {
|
||||||
|
getuid() {
|
||||||
|
return -1;
|
||||||
|
},
|
||||||
|
getgid() {
|
||||||
|
return -1;
|
||||||
|
},
|
||||||
|
geteuid() {
|
||||||
|
return -1;
|
||||||
|
},
|
||||||
|
getegid() {
|
||||||
|
return -1;
|
||||||
|
},
|
||||||
|
getgroups() {
|
||||||
|
throw enosys();
|
||||||
|
},
|
||||||
|
pid: -1,
|
||||||
|
ppid: -1,
|
||||||
|
umask() {
|
||||||
|
throw enosys();
|
||||||
|
},
|
||||||
|
cwd() {
|
||||||
|
throw enosys();
|
||||||
|
},
|
||||||
|
chdir() {
|
||||||
|
throw enosys();
|
||||||
|
},
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!globalThis.path) {
|
||||||
|
globalThis.path = {
|
||||||
|
resolve(...pathSegments) {
|
||||||
|
return pathSegments.join("/");
|
||||||
|
},
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!globalThis.crypto) {
|
||||||
|
throw new Error(
|
||||||
|
"globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)",
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!globalThis.performance) {
|
||||||
|
throw new Error(
|
||||||
|
"globalThis.performance is not available, polyfill required (performance.now only)",
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!globalThis.TextEncoder) {
|
||||||
|
throw new Error(
|
||||||
|
"globalThis.TextEncoder is not available, polyfill required",
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!globalThis.TextDecoder) {
|
||||||
|
throw new Error(
|
||||||
|
"globalThis.TextDecoder is not available, polyfill required",
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
const encoder = new TextEncoder("utf-8");
|
||||||
|
const decoder = new TextDecoder("utf-8");
|
||||||
|
|
||||||
|
globalThis.Go = class {
|
||||||
|
constructor() {
|
||||||
|
this.argv = ["js"];
|
||||||
|
this.env = {};
|
||||||
|
this.exit = (code) => {
|
||||||
|
if (code !== 0) {
|
||||||
|
console.warn("exit code:", code);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
this._exitPromise = new Promise((resolve) => {
|
||||||
|
this._resolveExitPromise = resolve;
|
||||||
|
});
|
||||||
|
this._pendingEvent = null;
|
||||||
|
this._scheduledTimeouts = new Map();
|
||||||
|
this._nextCallbackTimeoutID = 1;
|
||||||
|
|
||||||
|
const setInt64 = (addr, v) => {
|
||||||
|
this.mem.setUint32(addr + 0, v, true);
|
||||||
|
this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
|
||||||
|
};
|
||||||
|
|
||||||
|
const setInt32 = (addr, v) => {
|
||||||
|
this.mem.setUint32(addr + 0, v, true);
|
||||||
|
};
|
||||||
|
|
||||||
|
const getInt64 = (addr) => {
|
||||||
|
const low = this.mem.getUint32(addr + 0, true);
|
||||||
|
const high = this.mem.getInt32(addr + 4, true);
|
||||||
|
return low + high * 4294967296;
|
||||||
|
};
|
||||||
|
|
||||||
|
const loadValue = (addr) => {
|
||||||
|
const f = this.mem.getFloat64(addr, true);
|
||||||
|
if (f === 0) {
|
||||||
|
return undefined;
|
||||||
|
}
|
||||||
|
if (!isNaN(f)) {
|
||||||
|
return f;
|
||||||
|
}
|
||||||
|
|
||||||
|
const id = this.mem.getUint32(addr, true);
|
||||||
|
return this._values[id];
|
||||||
|
};
|
||||||
|
|
||||||
|
const storeValue = (addr, v) => {
|
||||||
|
const nanHead = 0x7FF80000;
|
||||||
|
|
||||||
|
if (typeof v === "number" && v !== 0) {
|
||||||
|
if (isNaN(v)) {
|
||||||
|
this.mem.setUint32(addr + 4, nanHead, true);
|
||||||
|
this.mem.setUint32(addr, 0, true);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
this.mem.setFloat64(addr, v, true);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (v === undefined) {
|
||||||
|
this.mem.setFloat64(addr, 0, true);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
let id = this._ids.get(v);
|
||||||
|
if (id === undefined) {
|
||||||
|
id = this._idPool.pop();
|
||||||
|
if (id === undefined) {
|
||||||
|
id = this._values.length;
|
||||||
|
}
|
||||||
|
this._values[id] = v;
|
||||||
|
this._goRefCounts[id] = 0;
|
||||||
|
this._ids.set(v, id);
|
||||||
|
}
|
||||||
|
this._goRefCounts[id]++;
|
||||||
|
let typeFlag = 0;
|
||||||
|
switch (typeof v) {
|
||||||
|
case "object":
|
||||||
|
if (v !== null) {
|
||||||
|
typeFlag = 1;
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case "string":
|
||||||
|
typeFlag = 2;
|
||||||
|
break;
|
||||||
|
case "symbol":
|
||||||
|
typeFlag = 3;
|
||||||
|
break;
|
||||||
|
case "function":
|
||||||
|
typeFlag = 4;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
|
||||||
|
this.mem.setUint32(addr, id, true);
|
||||||
|
};
|
||||||
|
|
||||||
|
const loadSlice = (addr) => {
|
||||||
|
const array = getInt64(addr + 0);
|
||||||
|
const len = getInt64(addr + 8);
|
||||||
|
return new Uint8Array(this._inst.exports.mem.buffer, array, len);
|
||||||
|
};
|
||||||
|
|
||||||
|
const loadSliceOfValues = (addr) => {
|
||||||
|
const array = getInt64(addr + 0);
|
||||||
|
const len = getInt64(addr + 8);
|
||||||
|
const a = new Array(len);
|
||||||
|
for (let i = 0; i < len; i++) {
|
||||||
|
a[i] = loadValue(array + i * 8);
|
||||||
|
}
|
||||||
|
return a;
|
||||||
|
};
|
||||||
|
|
||||||
|
const loadString = (addr) => {
|
||||||
|
const saddr = getInt64(addr + 0);
|
||||||
|
const len = getInt64(addr + 8);
|
||||||
|
return decoder.decode(
|
||||||
|
new DataView(this._inst.exports.mem.buffer, saddr, len),
|
||||||
|
);
|
||||||
|
};
|
||||||
|
|
||||||
|
const testCallExport = (a, b) => {
|
||||||
|
return this._inst.exports.testExport(a, b);
|
||||||
|
};
|
||||||
|
|
||||||
|
const timeOrigin = Date.now() - performance.now();
|
||||||
|
this.importObject = {
|
||||||
|
_gotest: {
|
||||||
|
add: (a, b) => a + b,
|
||||||
|
callExport: testCallExport,
|
||||||
|
},
|
||||||
|
gojs: {
|
||||||
|
// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
|
||||||
|
// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
|
||||||
|
// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
|
||||||
|
// This changes the SP, thus we have to update the SP used by the imported function.
|
||||||
|
|
||||||
|
// func wasmExit(code int32)
|
||||||
|
"runtime.wasmExit": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const code = this.mem.getInt32(sp + 8, true);
|
||||||
|
this.exited = true;
|
||||||
|
delete this._inst;
|
||||||
|
delete this._values;
|
||||||
|
delete this._goRefCounts;
|
||||||
|
delete this._ids;
|
||||||
|
delete this._idPool;
|
||||||
|
this.exit(code);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
|
||||||
|
"runtime.wasmWrite": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const fd = getInt64(sp + 8);
|
||||||
|
const p = getInt64(sp + 16);
|
||||||
|
const n = this.mem.getInt32(sp + 24, true);
|
||||||
|
fs.writeSync(
|
||||||
|
fd,
|
||||||
|
new Uint8Array(this._inst.exports.mem.buffer, p, n),
|
||||||
|
);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func resetMemoryDataView()
|
||||||
|
"runtime.resetMemoryDataView": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func nanotime1() int64
|
||||||
|
"runtime.nanotime1": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func walltime() (sec int64, nsec int32)
|
||||||
|
"runtime.walltime": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const msec = (new Date()).getTime();
|
||||||
|
setInt64(sp + 8, msec / 1000);
|
||||||
|
this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func scheduleTimeoutEvent(delay int64) int32
|
||||||
|
"runtime.scheduleTimeoutEvent": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const id = this._nextCallbackTimeoutID;
|
||||||
|
this._nextCallbackTimeoutID++;
|
||||||
|
this._scheduledTimeouts.set(
|
||||||
|
id,
|
||||||
|
setTimeout(
|
||||||
|
() => {
|
||||||
|
this._resume();
|
||||||
|
while (this._scheduledTimeouts.has(id)) {
|
||||||
|
// for some reason Go failed to register the timeout event, log and try again
|
||||||
|
// (temporary workaround for https://github.com/golang/go/issues/28975)
|
||||||
|
console.warn("scheduleTimeoutEvent: missed timeout event");
|
||||||
|
this._resume();
|
||||||
|
}
|
||||||
|
},
|
||||||
|
getInt64(sp + 8),
|
||||||
|
),
|
||||||
|
);
|
||||||
|
this.mem.setInt32(sp + 16, id, true);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func clearTimeoutEvent(id int32)
|
||||||
|
"runtime.clearTimeoutEvent": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const id = this.mem.getInt32(sp + 8, true);
|
||||||
|
clearTimeout(this._scheduledTimeouts.get(id));
|
||||||
|
this._scheduledTimeouts.delete(id);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func getRandomData(r []byte)
|
||||||
|
"runtime.getRandomData": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
crypto.getRandomValues(loadSlice(sp + 8));
|
||||||
|
},
|
||||||
|
|
||||||
|
// func finalizeRef(v ref)
|
||||||
|
"syscall/js.finalizeRef": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const id = this.mem.getUint32(sp + 8, true);
|
||||||
|
this._goRefCounts[id]--;
|
||||||
|
if (this._goRefCounts[id] === 0) {
|
||||||
|
const v = this._values[id];
|
||||||
|
this._values[id] = null;
|
||||||
|
this._ids.delete(v);
|
||||||
|
this._idPool.push(id);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
// func stringVal(value string) ref
|
||||||
|
"syscall/js.stringVal": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
storeValue(sp + 24, loadString(sp + 8));
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueGet(v ref, p string) ref
|
||||||
|
"syscall/js.valueGet": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
|
||||||
|
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||||
|
storeValue(sp + 32, result);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueSet(v ref, p string, x ref)
|
||||||
|
"syscall/js.valueSet": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
Reflect.set(
|
||||||
|
loadValue(sp + 8),
|
||||||
|
loadString(sp + 16),
|
||||||
|
loadValue(sp + 32),
|
||||||
|
);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueDelete(v ref, p string)
|
||||||
|
"syscall/js.valueDelete": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueIndex(v ref, i int) ref
|
||||||
|
"syscall/js.valueIndex": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
storeValue(
|
||||||
|
sp + 24,
|
||||||
|
Reflect.get(loadValue(sp + 8), getInt64(sp + 16)),
|
||||||
|
);
|
||||||
|
},
|
||||||
|
|
||||||
|
// valueSetIndex(v ref, i int, x ref)
|
||||||
|
"syscall/js.valueSetIndex": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
Reflect.set(
|
||||||
|
loadValue(sp + 8),
|
||||||
|
getInt64(sp + 16),
|
||||||
|
loadValue(sp + 24),
|
||||||
|
);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueCall(v ref, m string, args []ref) (ref, bool)
|
||||||
|
"syscall/js.valueCall": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
try {
|
||||||
|
const v = loadValue(sp + 8);
|
||||||
|
const m = Reflect.get(v, loadString(sp + 16));
|
||||||
|
const args = loadSliceOfValues(sp + 32);
|
||||||
|
const result = Reflect.apply(m, v, args);
|
||||||
|
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||||
|
storeValue(sp + 56, result);
|
||||||
|
this.mem.setUint8(sp + 64, 1);
|
||||||
|
} catch (err) {
|
||||||
|
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||||
|
storeValue(sp + 56, err);
|
||||||
|
this.mem.setUint8(sp + 64, 0);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueInvoke(v ref, args []ref) (ref, bool)
|
||||||
|
"syscall/js.valueInvoke": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
try {
|
||||||
|
const v = loadValue(sp + 8);
|
||||||
|
const args = loadSliceOfValues(sp + 16);
|
||||||
|
const result = Reflect.apply(v, undefined, args);
|
||||||
|
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||||
|
storeValue(sp + 40, result);
|
||||||
|
this.mem.setUint8(sp + 48, 1);
|
||||||
|
} catch (err) {
|
||||||
|
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||||
|
storeValue(sp + 40, err);
|
||||||
|
this.mem.setUint8(sp + 48, 0);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueNew(v ref, args []ref) (ref, bool)
|
||||||
|
"syscall/js.valueNew": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
try {
|
||||||
|
const v = loadValue(sp + 8);
|
||||||
|
const args = loadSliceOfValues(sp + 16);
|
||||||
|
const result = Reflect.construct(v, args);
|
||||||
|
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||||
|
storeValue(sp + 40, result);
|
||||||
|
this.mem.setUint8(sp + 48, 1);
|
||||||
|
} catch (err) {
|
||||||
|
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||||
|
storeValue(sp + 40, err);
|
||||||
|
this.mem.setUint8(sp + 48, 0);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueLength(v ref) int
|
||||||
|
"syscall/js.valueLength": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
|
||||||
|
},
|
||||||
|
|
||||||
|
// valuePrepareString(v ref) (ref, int)
|
||||||
|
"syscall/js.valuePrepareString": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const str = encoder.encode(String(loadValue(sp + 8)));
|
||||||
|
storeValue(sp + 16, str);
|
||||||
|
setInt64(sp + 24, str.length);
|
||||||
|
},
|
||||||
|
|
||||||
|
// valueLoadString(v ref, b []byte)
|
||||||
|
"syscall/js.valueLoadString": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const str = loadValue(sp + 8);
|
||||||
|
loadSlice(sp + 16).set(str);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func valueInstanceOf(v ref, t ref) bool
|
||||||
|
"syscall/js.valueInstanceOf": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
this.mem.setUint8(
|
||||||
|
sp + 24,
|
||||||
|
(loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0,
|
||||||
|
);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func copyBytesToGo(dst []byte, src ref) (int, bool)
|
||||||
|
"syscall/js.copyBytesToGo": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const dst = loadSlice(sp + 8);
|
||||||
|
const src = loadValue(sp + 32);
|
||||||
|
if (
|
||||||
|
!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)
|
||||||
|
) {
|
||||||
|
this.mem.setUint8(sp + 48, 0);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
const toCopy = src.subarray(0, dst.length);
|
||||||
|
dst.set(toCopy);
|
||||||
|
setInt64(sp + 40, toCopy.length);
|
||||||
|
this.mem.setUint8(sp + 48, 1);
|
||||||
|
},
|
||||||
|
|
||||||
|
// func copyBytesToJS(dst ref, src []byte) (int, bool)
|
||||||
|
"syscall/js.copyBytesToJS": (sp) => {
|
||||||
|
sp >>>= 0;
|
||||||
|
const dst = loadValue(sp + 8);
|
||||||
|
const src = loadSlice(sp + 16);
|
||||||
|
if (
|
||||||
|
!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)
|
||||||
|
) {
|
||||||
|
this.mem.setUint8(sp + 48, 0);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
const toCopy = src.subarray(0, dst.length);
|
||||||
|
dst.set(toCopy);
|
||||||
|
setInt64(sp + 40, toCopy.length);
|
||||||
|
this.mem.setUint8(sp + 48, 1);
|
||||||
|
},
|
||||||
|
|
||||||
|
"debug": (value) => {
|
||||||
|
console.log(value);
|
||||||
|
},
|
||||||
|
},
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
async run(instance) {
|
||||||
|
if (!(instance instanceof WebAssembly.Instance)) {
|
||||||
|
throw new Error("Go.run: WebAssembly.Instance expected");
|
||||||
|
}
|
||||||
|
this._inst = instance;
|
||||||
|
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||||
|
this._values = [ // JS values that Go currently has references to, indexed by reference id
|
||||||
|
NaN,
|
||||||
|
0,
|
||||||
|
null,
|
||||||
|
true,
|
||||||
|
false,
|
||||||
|
globalThis,
|
||||||
|
this,
|
||||||
|
];
|
||||||
|
this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
|
||||||
|
this._ids = new Map([ // mapping from JS values to reference ids
|
||||||
|
[0, 1],
|
||||||
|
[null, 2],
|
||||||
|
[true, 3],
|
||||||
|
[false, 4],
|
||||||
|
[globalThis, 5],
|
||||||
|
[this, 6],
|
||||||
|
]);
|
||||||
|
this._idPool = []; // unused ids that have been garbage collected
|
||||||
|
this.exited = false; // whether the Go program has exited
|
||||||
|
|
||||||
|
// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.
|
||||||
|
let offset = 4096;
|
||||||
|
|
||||||
|
const strPtr = (str) => {
|
||||||
|
const ptr = offset;
|
||||||
|
const bytes = encoder.encode(str + "\0");
|
||||||
|
new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);
|
||||||
|
offset += bytes.length;
|
||||||
|
if (offset % 8 !== 0) {
|
||||||
|
offset += 8 - (offset % 8);
|
||||||
|
}
|
||||||
|
return ptr;
|
||||||
|
};
|
||||||
|
|
||||||
|
const argc = this.argv.length;
|
||||||
|
|
||||||
|
const argvPtrs = [];
|
||||||
|
this.argv.forEach((arg) => {
|
||||||
|
argvPtrs.push(strPtr(arg));
|
||||||
|
});
|
||||||
|
argvPtrs.push(0);
|
||||||
|
|
||||||
|
const keys = Object.keys(this.env).sort();
|
||||||
|
keys.forEach((key) => {
|
||||||
|
argvPtrs.push(strPtr(`${key}=${this.env[key]}`));
|
||||||
|
});
|
||||||
|
argvPtrs.push(0);
|
||||||
|
|
||||||
|
const argv = offset;
|
||||||
|
argvPtrs.forEach((ptr) => {
|
||||||
|
this.mem.setUint32(offset, ptr, true);
|
||||||
|
this.mem.setUint32(offset + 4, 0, true);
|
||||||
|
offset += 8;
|
||||||
|
});
|
||||||
|
|
||||||
|
// The linker guarantees global data starts from at least wasmMinDataAddr.
|
||||||
|
// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.
|
||||||
|
const wasmMinDataAddr = 4096 + 8192;
|
||||||
|
if (offset >= wasmMinDataAddr) {
|
||||||
|
throw new Error(
|
||||||
|
"total length of command line and environment variables exceeds limit",
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
this._inst.exports.run(argc, argv);
|
||||||
|
if (this.exited) {
|
||||||
|
this._resolveExitPromise();
|
||||||
|
}
|
||||||
|
await this._exitPromise;
|
||||||
|
}
|
||||||
|
|
||||||
|
_resume() {
|
||||||
|
if (this.exited) {
|
||||||
|
throw new Error("Go program has already exited");
|
||||||
|
}
|
||||||
|
this._inst.exports.resume();
|
||||||
|
if (this.exited) {
|
||||||
|
this._resolveExitPromise();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
_makeFuncWrapper(id) {
|
||||||
|
const go = this;
|
||||||
|
return function () {
|
||||||
|
const event = { id: id, this: this, args: arguments };
|
||||||
|
go._pendingEvent = event;
|
||||||
|
go._resume();
|
||||||
|
return event.result;
|
||||||
|
};
|
||||||
|
}
|
||||||
|
};
|
||||||
|
})();
|
||||||
31
notebooks/deno_tinygo_wasm.ipynb
vendored
31
notebooks/deno_tinygo_wasm.ipynb
vendored
File diff suppressed because one or more lines are too long
22
plot/main.go
Normal file
22
plot/main.go
Normal file
|
|
@ -0,0 +1,22 @@
|
||||||
|
//go:build js && wasm
|
||||||
|
// +build js,wasm
|
||||||
|
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"l12.xyz/x/shortcuts/plot/src"
|
||||||
|
|
||||||
|
"syscall/js"
|
||||||
|
)
|
||||||
|
|
||||||
|
func InitPlotExports(this js.Value, args []js.Value) interface{} {
|
||||||
|
exports := args[0]
|
||||||
|
exports.Set("Hist", js.FuncOf(src.HistPlot))
|
||||||
|
return nil
|
||||||
|
}
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
c := make(chan struct{}, 0)
|
||||||
|
js.Global().Set("__InitPlotExports", js.FuncOf(InitPlotExports))
|
||||||
|
<-c
|
||||||
|
}
|
||||||
33
plot/mod.ts
Normal file
33
plot/mod.ts
Normal file
|
|
@ -0,0 +1,33 @@
|
||||||
|
import "../lib/wasm_exec.js";
|
||||||
|
|
||||||
|
// @ts-expect-error: no types
|
||||||
|
const go = new Go();
|
||||||
|
|
||||||
|
const code =
|
||||||
|
await (await fetch(import.meta.url.replace("/mod.ts", "/mod.wasm")))
|
||||||
|
.arrayBuffer();
|
||||||
|
|
||||||
|
const wasmMmodule = await WebAssembly.instantiate(code, go.importObject);
|
||||||
|
const wasm = wasmMmodule.instance;
|
||||||
|
|
||||||
|
go.run(wasm);
|
||||||
|
|
||||||
|
const _exports = {} as Record<string, (...args: unknown[]) => unknown>;
|
||||||
|
|
||||||
|
// @ts-ignore: no types
|
||||||
|
__InitPlotExports(_exports);
|
||||||
|
|
||||||
|
for (const key in _exports) {
|
||||||
|
const draw = _exports[key];
|
||||||
|
const drawKey = "Draw" + key;
|
||||||
|
_exports[drawKey] = (...args: unknown[]) => {
|
||||||
|
const data = "data:image/png;base64," + draw(...args);
|
||||||
|
return {
|
||||||
|
[Symbol.for("Jupyter.display")]: () => ({
|
||||||
|
"text/markdown": ``,
|
||||||
|
}),
|
||||||
|
};
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
export default _exports;
|
||||||
BIN
plot/mod.wasm
Executable file
BIN
plot/mod.wasm
Executable file
Binary file not shown.
54
plot/src/Hist.go
Normal file
54
plot/src/Hist.go
Normal file
|
|
@ -0,0 +1,54 @@
|
||||||
|
//go:build js && wasm
|
||||||
|
// +build js,wasm
|
||||||
|
|
||||||
|
package src
|
||||||
|
|
||||||
|
import (
|
||||||
|
"image/color"
|
||||||
|
|
||||||
|
"syscall/js"
|
||||||
|
|
||||||
|
"github.com/gonum/stat/distuv"
|
||||||
|
"gonum.org/v1/plot"
|
||||||
|
"gonum.org/v1/plot/plotter"
|
||||||
|
"gonum.org/v1/plot/vg"
|
||||||
|
)
|
||||||
|
|
||||||
|
func HistPlot(this js.Value, args []js.Value) interface{} {
|
||||||
|
var (
|
||||||
|
values = args[0]
|
||||||
|
bins = args[1]
|
||||||
|
opts js.Value
|
||||||
|
text = "Histogram"
|
||||||
|
)
|
||||||
|
|
||||||
|
if len(args) == 3 {
|
||||||
|
opts = args[2]
|
||||||
|
if !opts.Get("title").IsUndefined() {
|
||||||
|
text = opts.Get("title").String()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
v := make(plotter.Values, values.Length())
|
||||||
|
for i := range v {
|
||||||
|
v[i] = values.Index(i).Float()
|
||||||
|
}
|
||||||
|
p := plot.New()
|
||||||
|
p.Title.Text = text
|
||||||
|
h, err := plotter.NewHist(v, bins.Int())
|
||||||
|
if err != nil {
|
||||||
|
panic(err)
|
||||||
|
}
|
||||||
|
h.Normalize(1)
|
||||||
|
p.Add(h)
|
||||||
|
norm := plotter.NewFunction(distuv.UnitNormal.Prob)
|
||||||
|
norm.Color = color.RGBA{R: 255, A: 255}
|
||||||
|
norm.Width = vg.Points(2)
|
||||||
|
p.Add(norm)
|
||||||
|
writer, err := p.WriterTo(6*vg.Inch, 4*vg.Inch, "png")
|
||||||
|
if err != nil {
|
||||||
|
panic(err)
|
||||||
|
}
|
||||||
|
b64string := WriterToBase64String(writer)
|
||||||
|
return b64string
|
||||||
|
}
|
||||||
16
plot/src/utils.go
Normal file
16
plot/src/utils.go
Normal file
|
|
@ -0,0 +1,16 @@
|
||||||
|
//go:build js && wasm
|
||||||
|
// +build js,wasm
|
||||||
|
|
||||||
|
package src
|
||||||
|
|
||||||
|
import (
|
||||||
|
"bytes"
|
||||||
|
"encoding/base64"
|
||||||
|
"io"
|
||||||
|
)
|
||||||
|
|
||||||
|
func WriterToBase64String(writer io.WriterTo) string {
|
||||||
|
var buf bytes.Buffer
|
||||||
|
writer.WriteTo(&buf)
|
||||||
|
return base64.StdEncoding.EncodeToString(buf.Bytes())
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue