memdisk/dist/index.cjs

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

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