89 lines
3.3 KiB
JavaScript
89 lines
3.3 KiB
JavaScript
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const ModuleFS = function() {
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const MODE_WRITE_TO_PERSISTENT = false;
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const MODE_READ_FROM_PERSISTENT = true;
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this.init = () => {
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return new Promise((resolve) => {
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FS.mkdir(config.fs.idbfsDir);
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// Then mount with IDBFS type
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FS.mount(IDBFS, {}, config.fs.idbfsDir);
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this.syncfs(MODE_READ_FROM_PERSISTENT)
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.then(() => {
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// Then sync with true to get persistent data
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if (!FS.analyzePath(config.fs.idbfsFontDir).exists) {
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FS.mkdir(config.fs.idbfsFontDir);
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}
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if (!FS.analyzePath(config.fs.idbfsTmpDir).exists) {
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FS.mkdir(config.fs.idbfsTmpDir);
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}
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resolve();
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});
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});
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};
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this.syncfs = (mode = MODE_READ_FROM_PERSISTENT) => {
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return new Promise((resolve, reject) => {
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FS.syncfs(mode, function(err) {
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if (err !== null) {
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// Error
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console.error(err);
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reject(error);
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} else {
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resolve();
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}
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});
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});
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};
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// check utils::uploadFile() for details of file
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this.save = (file) => {
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return new Promise((resolve) => {
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if (file.type.indexOf('font') >= 0 || file.hasOwnProperty('isFont') && file.isFont === true) {
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var uint8View = new Uint8Array(file.arrayBuffer);
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console.log('trying to save the font file, file, uint8View', file, uint8View);
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if (!FS.analyzePath(`${config.fs.idbfsFontDir}/${file.name}`).exists) {
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FS.createDataFile(config.fs.idbfsFontDir, file.name, uint8View, true, true);
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}
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this.syncfs(MODE_WRITE_TO_PERSISTENT)
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.then(() => {
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resolve(true);
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});
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} else if (file.type.indexOf('zip') >= 0 || file.hasOwnProperty('isZip') && file.isZip === true) {
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var uint8View = new Uint8Array(file.arrayBuffer);
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var filePath = `${config.fs.idbfsTmpDir}/${file.name}`;
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console.log(filePath);
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if (!FS.analyzePath(filePath).exists) {
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FS.createDataFile(config.fs.idbfsTmpDir, file.name, uint8View, true, true);
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}
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this.syncfs(MODE_WRITE_TO_PERSISTENT)
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.then(() => {
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resolve(filePath);
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});
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} else {
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resolve(false);
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}
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});
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};
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this.delete = (file) => {
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if (file.type.indexOf('zip') >= 0 || file.hasOwnProperty('isZip') && file.isZip === true) {
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var filePath = `${config.fs.idbfsTmpDir}/${file.name}`;
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if (!FS.analyzePath(filePath).exists) {
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console.log(`moduleFS::delete(${filePath})`, `file does not exist`);
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} else {
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FS.unlink(filePath);
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}
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this.syncfs(MODE_WRITE_TO_PERSISTENT)
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.then(() => {
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resolve(true);
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});
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} else {
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resolve(false);
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}
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};
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};
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export {
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ModuleFS
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};
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