forked from FOSS/BangleApps
83 lines
2.4 KiB
JavaScript
83 lines
2.4 KiB
JavaScript
/* Node.js library with utilities to handle using the app loader from node.js */
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var DEVICEID = "BANGLEJS2";
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var MINIFY = true; // minify JSON?
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var BASE_DIR = __dirname + "/../..";
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var APPSDIR = BASE_DIR+"/apps/";
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//eval(require("fs").readFileSync(__dirname+"../core/js/utils.js"));
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var Espruino = require(__dirname + "/../../core/lib/espruinotools.js");
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//eval(require("fs").readFileSync(__dirname + "/../../core/lib/espruinotools.js").toString());
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//eval(require("fs").readFileSync(__dirname + "/../../core/js/utils.js").toString());
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var AppInfo = require(__dirname+"/../../core/js/appinfo.js");
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var SETTINGS = {
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pretokenise : true
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};
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global.Const = {
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/* Are we only putting a single app on a device? If so
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apps should all be saved as .bootcde and we write info
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about the current app into app.info */
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SINGLE_APP_ONLY : false,
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};
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var apps = [];
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// call with {DEVICEID:"BANGLEJS/BANGLEJS2"}
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exports.init = function(options) {
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if (options.DEVICEID)
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DEVICEID = options.DEVICEID;
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// Load app metadata
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var dirs = require("fs").readdirSync(APPSDIR, {withFileTypes: true});
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dirs.forEach(dir => {
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var appsFile;
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if (dir.name.startsWith("_example") || !dir.isDirectory())
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return;
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try {
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appsFile = require("fs").readFileSync(APPSDIR+dir.name+"/metadata.json").toString();
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} catch (e) {
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ERROR(dir.name+"/metadata.json does not exist");
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return;
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}
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apps.push(JSON.parse(appsFile));
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});
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};
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exports.AppInfo = AppInfo;
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exports.apps = apps;
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// used by getAppFiles
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function fileGetter(url) {
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url = BASE_DIR+"/"+url;
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console.log("Loading "+url)
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var data;
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if (MINIFY && url.endsWith(".json")) {
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var f = url.slice(0,-5);
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console.log("MINIFYING JSON "+f);
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var j = eval("("+require("fs").readFileSync(url).toString("binary")+")");
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data = JSON.stringify(j);
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} else {
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var blob = require("fs").readFileSync(url);
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if (url.endsWith(".js") || url.endsWith(".json"))
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data = blob.toString(); // allow JS/etc to be written in UTF-8
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else
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data = blob.toString("binary")
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}
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return Promise.resolve(data);
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}
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exports.getAppFiles = function(app) {
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return AppInfo.getFiles(app, {
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fileGetter:fileGetter,
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settings : SETTINGS,
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device : { id : DEVICEID }
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});
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};
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// Get all the files for this app as a string of Storage.write commands
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exports.getAppFilesString = function(app) {
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return exports.getAppFiles(app).then(files => {
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return files.map(f=>f.cmd).join("\n")+"\n"
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})
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};
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