memdisk/dist/index.mjs

A library and a CLI to create RAM disk on macOS and Linux.

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You may be prompted for credentials",X="Mouting RAM disk. You may be prompted for credentials",D=e=>`Unmouting RAM disk at ${e}. You may be prompted for credentials`,Y=e=>"darwin"===e||"linux"===e,z=Symbol("not supported");function B(e){return{darwin:{create:p(function*(t,r,o,n){e.info(N);let i=(yield*I(`hdiutil attach -nomount ram://${o/512}`)).stdout.trim();e.info(X),yield*I(`diskutil eraseVolume ${n?"HFS+":"APFS"} ${t} ${i}`)}),destroy:p(function*(t,r){e.info(D(t));let o=`hdiutil detach ${t}`;r&&(o+=" -force"),yield*I(o)})},linux:{create:p(function*(t,r,o,n){e.info(N),yield*I((yield*j(`mkdir -p ${r}`))),e.info(X),yield*I((yield*j(`mount -t tmpfs -o size=${o} tmpfs ${r}`)))}),destroy:p(function*(t,r){e.info(D(t));let o=r?`umount --force ${t}`:`umount ${t}`;yield*I((yield*j(o)))})},[z]:{create:p(function*(t,r,o,n){e.warn(`The current platform "${c}" does not support RAM disks. A temporary directory (which may or may not exists in the RAM) is created at "${r}".`),yield*H(r,{recursive:!0})}),destroy:p(function*(t,r){let o=`Current platform "${c}" does not support RAM disks, attempted to remove the directory "${t}"`;try{yield*L(t,{recursive:!0,force:!0}),e.warn(`${o} and successed.`)}catch(t){e.warn(`${o} but failed`+m(t))}})}}}function U(e){if(e)throw Error(`Unsupported platform "${c}"`)}let V=p(function*(e,{quiet:t=!0,throwOnNotSupportedPlatform:r=!1,force:o=!0}={}){let n=F(t);if(Y(c))return void(yield*B(n)[c].destroy(e,o));U(r),yield*B(n)[z].destroy(e,o)}),W=p(function*(e,t,{quiet:r=!0,throwOnNotSupportedPlatform:n=!1,darwinUseHFSPlus:i=!1}={}){let l=F(r),a="darwin"===c?`/Volumes/${e}`:`/mnt/${e}`;try{if(Y(c)){if(o(a))return l.warn(`The path "${a}" already exists, skipping creation`),a;return yield*B(l)[c].create(e,a,t,i),l.info(`RAM disk is avaliable at ${a}`),a}return U(n),a=s.join(u(),".mocked-memdisk",e),yield*B(l)[z].create(e,a,t,i),a}catch{let e=`Failed to create RAM disk at ${a}`;throw o(a)&&(l.error(`${e}, clean it up`),yield*V(a,{quiet:r,throwOnNotSupportedPlatform:n})),Error(e)}}),q={sync:(...e)=>W.sync.apply(null,e),async:(...e)=>W.async.apply(null,e),errback:(...e)=>W.errback.apply(null,e)},G=(...e)=>W.sync.apply(null,e),J=(...e)=>W.async.apply(null,e),K={sync:(...e)=>V.sync.apply(null,e),async:(...e)=>V.async.apply(null,e),errback:(...e)=>V.errback.apply(null,e)},Q=(...e)=>V.sync.apply(null,e),Z=(...e)=>V.async.apply(null,e);export{q as create,J as createAsync,G as createSync,K as destroy,Z as destroyAsync,Q as destroySync,Y as isSupportedPlatform};