reorganized main file

lib/build.js

@@ -0,0 +1,65 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const esbuild_1 = require("esbuild");
+const fs_1 = require("fs");
+const paths_1 = require("./paths");
+const readmeta_1 = __importDefault(require("./readmeta"));
+async function default_1(name, watchCallback = false) {
+    //read meta file
+    let [metaJson, metaString] = (0, readmeta_1.default)(name);
+    let outPath = (0, paths_1.DistPath)(name);
+    let error = null;
+    try {
+        await (0, esbuild_1.build)({
+            entryPoints: [(0, paths_1.ScriptPath)(name).main],
+            outfile: outPath,
+            target: 'esnext',
+            platform: 'node',
+            format: 'esm',
+            bundle: true,
+            minify: false,
+            watch: !watchCallback
+                ? false
+                : {
+                    onRebuild(err, result) {
+                        if (err) {
+                            console.error(name, err);
+                            let error = err.message;
+                            watchCallback(metaJson, error);
+                        }
+                        else {
+                            console.log('watch build succeeded:', result);
+                        }
+                    },
+                },
+            define: {
+                UserScriptName: `'${metaJson.name}'`,
+                UserScriptNamespace: `'${metaJson.namespace}'`,
+                UserScriptVersion: `'${metaJson.version}'`,
+                UserScriptDownloadURL: `'${metaJson.downloadURL}'`,
+                UserScriptSupportURL: `'${metaJson.supportURL}'`,
+                UserScriptHomepageURL: `'${metaJson.homepageURL}'`,
+            },
+        });
+    }
+    catch (err) {
+        console.error(name, err);
+        error = err.message;
+    }
+    //add UserScript header
+    if ((0, fs_1.existsSync)(outPath)) {
+        if (!error) {
+            let content = (0, fs_1.readFileSync)(outPath).toString();
+            (0, fs_1.writeFileSync)(outPath, metaString + content);
+        }
+        else {
+            (0, fs_1.unlinkSync)(outPath);
+        }
+    }
+    return [metaJson, error];
+}
+exports.default = default_1;
+//# sourceMappingURL=build.js.map

lib/build.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"build.js","sourceRoot":"","sources":["../src/build.ts"],"names":[],"mappings":";;;;;AAAA,qCAA6C;AAC7C,2BAAwE;AACxE,mCAA8C;AAE9C,0DAAiC;AAElB,KAAK,oBAChB,IAAY,EACZ,gBAEc,KAAK;IAEnB,gBAAgB;IAChB,IAAI,CAAC,QAAQ,EAAE,UAAU,CAAC,GAAG,IAAA,kBAAQ,EAAC,IAAI,CAAC,CAAA;IAC3C,IAAI,OAAO,GAAG,IAAA,gBAAQ,EAAC,IAAI,CAAC,CAAA;IAE5B,IAAI,KAAK,GAAkB,IAAI,CAAA;IAE/B,IAAI;QACA,MAAM,IAAA,eAAK,EAAC;YACR,WAAW,EAAE,CAAC,IAAA,kBAAU,EAAC,IAAI,CAAC,CAAC,IAAI,CAAC;YACpC,OAAO,EAAE,OAAO;YAEhB,MAAM,EAAE,QAAQ;YAChB,QAAQ,EAAE,MAAM;YAChB,MAAM,EAAE,KAAK;YAEb,MAAM,EAAE,IAAI;YACZ,MAAM,EAAE,KAAK;YAEb,KAAK,EAAE,CAAC,aAAa;gBACjB,CAAC,CAAC,KAAK;gBACP,CAAC,CAAC;oBACI,SAAS,CAAC,GAAG,EAAE,MAAM;wBACjB,IAAI,GAAG,EAAE;4BACL,OAAO,CAAC,KAAK,CAAC,IAAI,EAAE,GAAG,CAAC,CAAA;4BACxB,IAAI,KAAK,GAAI,GAAoB,CAAC,OAAO,CAAA;4BACzC,aAAa,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAA;yBACjC;6BAAM;4BACH,OAAO,CAAC,GAAG,CAAC,wBAAwB,EAAE,MAAM,CAAC,CAAA;yBAChD;oBACL,CAAC;iBACJ;YAEP,MAAM,EAAE;gBACJ,cAAc,EAAE,IAAI,QAAQ,CAAC,IAAI,GAAG;gBACpC,mBAAmB,EAAE,IAAI,QAAQ,CAAC,SAAS,GAAG;gBAC9C,iBAAiB,EAAE,IAAI,QAAQ,CAAC,OAAO,GAAG;gBAE1C,qBAAqB,EAAE,IAAI,QAAQ,CAAC,WAAW,GAAG;gBAClD,oBAAoB,EAAE,IAAI,QAAQ,CAAC,UAAU,GAAG;gBAChD,qBAAqB,EAAE,IAAI,QAAQ,CAAC,WAAW,GAAG;aACrD;SACJ,CAAC,CAAA;KACL;IAAC,OAAO,GAAG,EAAE;QACV,OAAO,CAAC,KAAK,CAAC,IAAI,EAAE,GAAG,CAAC,CAAA;QACxB,KAAK,GAAI,GAAoB,CAAC,OAAO,CAAA;KACxC;IAED,uBAAuB;IACvB,IAAI,IAAA,eAAU,EAAC,OAAO,CAAC,EAAE;QACrB,IAAI,CAAC,KAAK,EAAE;YACR,IAAI,OAAO,GAAG,IAAA,iBAAY,EAAC,OAAO,CAAC,CAAC,QAAQ,EAAE,CAAA;YAC9C,IAAA,kBAAa,EAAC,OAAO,EAAE,UAAU,GAAG,OAAO,CAAC,CAAA;SAC/C;aAAM;YACH,IAAA,eAAU,EAAC,OAAO,CAAC,CAAA;SACtB;KACJ;IAED,OAAO,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAA;AAC5B,CAAC;AAhED,4BAgEC"}

lib/main.js

@@ -3,51 +3,15 @@ var __importDefault = (this && this.__importDefault) || function (mod) {
     return (mod && mod.__esModule) ? mod : { "default": mod };
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-const esbuild_1 = require("esbuild");
 const fs_1 = require("fs");
+const command_line_args_1 = __importDefault(require("command-line-args"));
 const paths_1 = require("./paths");
 const readmefile_1 = require("./readmefile");
-const readmeta_1 = __importDefault(require("./readmeta"));
+const build_1 = __importDefault(require("./build"));
-async function compileProject(name) {
+const CLIArgs = (0, command_line_args_1.default)([
-    //read meta file
+    { name: 'watch', alias: 'w', type: Boolean },
-    let [metaJson, metaString] = (0, readmeta_1.default)(name);
+]);
-    let outPath = (0, paths_1.DistPath)(name);
+//if package.json doesn't exist then there is no point in continuing
-    let error = null;
-    try {
-        await (0, esbuild_1.build)({
-            entryPoints: [(0, paths_1.ScriptPath)(name).main],
-            outfile: outPath,
-            target: 'esnext',
-            platform: 'node',
-            format: 'esm',
-            bundle: true,
-            minify: false,
-            define: {
-                UserScriptName: `'${metaJson.name}'`,
-                UserScriptNamespace: `'${metaJson.namespace}'`,
-                UserScriptVersion: `'${metaJson.version}'`,
-                UserScriptDownloadURL: `'${metaJson.downloadURL}'`,
-                UserScriptSupportURL: `'${metaJson.supportURL}'`,
-                UserScriptHomepageURL: `'${metaJson.homepageURL}'`,
-            },
-        });
-    }
-    catch (e) {
-        console.error(name, e); //TODO better error log
-        error = e.message;
-    }
-    //add UserScript header
-    if ((0, fs_1.existsSync)(outPath)) {
-        if (!error) {
-            let content = (0, fs_1.readFileSync)(outPath).toString();
-            (0, fs_1.writeFileSync)(outPath, metaString + content);
-        }
-        else {
-            (0, fs_1.unlinkSync)(outPath);
-        }
-    }
-    return [metaJson, error];
-}
 if (!(0, fs_1.existsSync)('package.json') || !(0, fs_1.lstatSync)('package.json').isFile()) {
     console.error('package.json not found, unwilling to run');
     process.exit(1);
@@ -59,27 +23,35 @@ if (!(0, fs_1.existsSync)('package.json') || !(0, fs_1.lstatSync)('package.json'
     let scriptMeta = [];
     for (let name of scripts) {
         let path = (0, paths_1.ScriptPath)(name);
-        //delete error file if it exists
-        if ((0, fs_1.existsSync)(path.error)) {
-            (0, fs_1.unlinkSync)(path.error);
-        }
         if (!name.endsWith('_') &&
             (0, fs_1.existsSync)(path.dir) &&
             (0, fs_1.lstatSync)(path.dir).isDirectory() &&
             (0, fs_1.existsSync)(path.main) &&
             (0, fs_1.lstatSync)(path.main).isFile()) {
-            let [meta, error] = await compileProject(name);
+            let id = scriptMeta.length;
-            scriptMeta.push({
+            function postWatchUpdate(meta, error) {
-                meta,
+                scriptMeta[id] = { meta, error };
-                error,
+                doErrorFile(path.error, error);
-            });
+                console.log('WATCH', name, meta.version);
-            //write error file
+                (0, readmefile_1.updateReadmeFile)(scriptMeta);
-            if (error !== null) {
-                (0, fs_1.writeFileSync)(path.error, `${new Date().toISOString()}\n\n${error}`);
             }
+            let [meta, error] = await (0, build_1.default)(name, postWatchUpdate);
+            scriptMeta[id] = { meta, error };
+            console.log(name, meta.version);
+            doErrorFile(path.error, error);
         }
     }
     (0, readmefile_1.updateReadmeFile)(scriptMeta);
     console.log('\nFinished Compiling\n');
+    if (CLIArgs.watch)
+        console.log('Listening for Changes\n');
 })();
+function doErrorFile(pathError, error) {
+    if (error !== null) {
+        (0, fs_1.writeFileSync)(pathError, `${new Date().toISOString()}\n\n${error}`);
+    }
+    else if ((0, fs_1.existsSync)(pathError)) {
+        (0, fs_1.unlinkSync)(pathError);
+    }
+}
 //# sourceMappingURL=main.js.map

lib/main.js.map

@@ -1 +1 @@
-{"version":3,"file":"main.js","sourceRoot":"","sources":["../src/main.ts"],"names":[],"mappings":";;;;;AAAA,qCAA6C;AAC7C,2BAOW;AACX,mCAAoE;AACpE,6CAA2D;AAC3D,0DAAiC;AAGjC,KAAK,UAAU,cAAc,CACzB,IAAY;IAEZ,gBAAgB;IAChB,IAAI,CAAC,QAAQ,EAAE,UAAU,CAAC,GAAG,IAAA,kBAAQ,EAAC,IAAI,CAAC,CAAA;IAC3C,IAAI,OAAO,GAAG,IAAA,gBAAQ,EAAC,IAAI,CAAC,CAAA;IAE5B,IAAI,KAAK,GAAkB,IAAI,CAAA;IAE/B,IAAI;QACA,MAAM,IAAA,eAAK,EAAC;YACR,WAAW,EAAE,CAAC,IAAA,kBAAU,EAAC,IAAI,CAAC,CAAC,IAAI,CAAC;YACpC,OAAO,EAAE,OAAO;YAEhB,MAAM,EAAE,QAAQ;YAChB,QAAQ,EAAE,MAAM;YAChB,MAAM,EAAE,KAAK;YAEb,MAAM,EAAE,IAAI;YACZ,MAAM,EAAE,KAAK;YAEb,MAAM,EAAE;gBACJ,cAAc,EAAE,IAAI,QAAQ,CAAC,IAAI,GAAG;gBACpC,mBAAmB,EAAE,IAAI,QAAQ,CAAC,SAAS,GAAG;gBAC9C,iBAAiB,EAAE,IAAI,QAAQ,CAAC,OAAO,GAAG;gBAE1C,qBAAqB,EAAE,IAAI,QAAQ,CAAC,WAAW,GAAG;gBAClD,oBAAoB,EAAE,IAAI,QAAQ,CAAC,UAAU,GAAG;gBAChD,qBAAqB,EAAE,IAAI,QAAQ,CAAC,WAAW,GAAG;aACrD;SACJ,CAAC,CAAA;KACL;IAAC,OAAO,CAAC,EAAE;QACR,OAAO,CAAC,KAAK,CAAC,IAAI,EAAE,CAAC,CAAC,CAAA,CAAC,uBAAuB;QAC9C,KAAK,GAAI,CAAkB,CAAC,OAAO,CAAA;KACtC;IAED,uBAAuB;IACvB,IAAI,IAAA,eAAU,EAAC,OAAO,CAAC,EAAE;QACrB,IAAI,CAAC,KAAK,EAAE;YACR,IAAI,OAAO,GAAG,IAAA,iBAAY,EAAC,OAAO,CAAC,CAAC,QAAQ,EAAE,CAAA;YAC9C,IAAA,kBAAa,EAAC,OAAO,EAAE,UAAU,GAAG,OAAO,CAAC,CAAA;SAC/C;aAAM;YACH,IAAA,eAAU,EAAC,OAAO,CAAC,CAAA;SACtB;KACJ;IAED,OAAO,CAAC,QAAQ,EAAE,KAAK,CAAC,CAAA;AAC5B,CAAC;AAED,IAAI,CAAC,IAAA,eAAU,EAAC,cAAc,CAAC,IAAI,CAAC,IAAA,cAAS,EAAC,cAAc,CAAC,CAAC,MAAM,EAAE,EAAE;IACpE,OAAO,CAAC,KAAK,CAAC,0CAA0C,CAAC,CAAA;IACzD,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAA;CAClB;AAED,yBAAyB;AACzB,IAAA,gBAAW,EAAC,gBAAQ,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,CAAC,IAAA,eAAU,EAAC,GAAG,gBAAQ,IAAI,IAAI,EAAE,CAAC,CAAC,CAGvE;AAAA,CAAC,KAAK,IAAI,EAAE;IACT,IAAI,OAAO,GAAG,IAAA,gBAAW,EAAC,kBAAU,CAAC,CAAA;IAErC,IAAI,UAAU,GAAiB,EAAE,CAAA;IAEjC,KAAK,IAAI,IAAI,IAAI,OAAO,EAAE;QACtB,IAAI,IAAI,GAAG,IAAA,kBAAU,EAAC,IAAI,CAAC,CAAA;QAE3B,gCAAgC;QAChC,IAAI,IAAA,eAAU,EAAC,IAAI,CAAC,KAAK,CAAC,EAAE;YACxB,IAAA,eAAU,EAAC,IAAI,CAAC,KAAK,CAAC,CAAA;SACzB;QAED,IACI,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC;YACnB,IAAA,eAAU,EAAC,IAAI,CAAC,GAAG,CAAC;YACpB,IAAA,cAAS,EAAC,IAAI,CAAC,GAAG,CAAC,CAAC,WAAW,EAAE;YACjC,IAAA,eAAU,EAAC,IAAI,CAAC,IAAI,CAAC;YACrB,IAAA,cAAS,EAAC,IAAI,CAAC,IAAI,CAAC,CAAC,MAAM,EAAE,EAC/B;YACE,IAAI,CAAC,IAAI,EAAE,KAAK,CAAC,GAAG,MAAM,cAAc,CAAC,IAAI,CAAC,CAAA;YAC9C,UAAU,CAAC,IAAI,CAAC;gBACZ,IAAI;gBACJ,KAAK;aACR,CAAC,CAAA;YAEF,kBAAkB;YAClB,IAAI,KAAK,KAAK,IAAI,EAAE;gBAChB,IAAA,kBAAa,EACT,IAAI,CAAC,KAAK,EACV,GAAG,IAAI,IAAI,EAAE,CAAC,WAAW,EAAE,OAAO,KAAK,EAAE,CAC5C,CAAA;aACJ;SACJ;KACJ;IAED,IAAA,6BAAgB,EAAC,UAAU,CAAC,CAAA;IAE5B,OAAO,CAAC,GAAG,CAAC,wBAAwB,CAAC,CAAA;AACzC,CAAC,CAAC,EAAE,CAAA"}
+{"version":3,"file":"main.js","sourceRoot":"","sources":["../src/main.ts"],"names":[],"mappings":";;;;;AAAA,2BAMW;AACX,0EAA+C;AAC/C,mCAA0D;AAC1D,6CAA2D;AAC3D,oDAA8B;AAG9B,MAAM,OAAO,GAAG,IAAA,2BAAe,EAAC;IAC5B,EAAE,IAAI,EAAE,OAAO,EAAE,KAAK,EAAE,GAAG,EAAE,IAAI,EAAE,OAAO,EAAE;CAC/C,CAEA,CAAA;AAED,oEAAoE;AACpE,IAAI,CAAC,IAAA,eAAU,EAAC,cAAc,CAAC,IAAI,CAAC,IAAA,cAAS,EAAC,cAAc,CAAC,CAAC,MAAM,EAAE,EAAE;IACpE,OAAO,CAAC,KAAK,CAAC,0CAA0C,CAAC,CAAA;IACzD,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAA;CAClB;AAED,yBAAyB;AACzB,IAAA,gBAAW,EAAC,gBAAQ,CAAC,CAAC,OAAO,CAAC,IAAI,CAAC,EAAE,CAAC,IAAA,eAAU,EAAC,GAAG,gBAAQ,IAAI,IAAI,EAAE,CAAC,CAAC,CAGvE;AAAA,CAAC,KAAK,IAAI,EAAE;IACT,IAAI,OAAO,GAAG,IAAA,gBAAW,EAAC,kBAAU,CAAC,CAAA;IACrC,IAAI,UAAU,GAAiB,EAAE,CAAA;IAEjC,KAAK,IAAI,IAAI,IAAI,OAAO,EAAE;QACtB,IAAI,IAAI,GAAG,IAAA,kBAAU,EAAC,IAAI,CAAC,CAAA;QAE3B,IACI,CAAC,IAAI,CAAC,QAAQ,CAAC,GAAG,CAAC;YACnB,IAAA,eAAU,EAAC,IAAI,CAAC,GAAG,CAAC;YACpB,IAAA,cAAS,EAAC,IAAI,CAAC,GAAG,CAAC,CAAC,WAAW,EAAE;YACjC,IAAA,eAAU,EAAC,IAAI,CAAC,IAAI,CAAC;YACrB,IAAA,cAAS,EAAC,IAAI,CAAC,IAAI,CAAC,CAAC,MAAM,EAAE,EAC/B;YACE,IAAI,EAAE,GAAG,UAAU,CAAC,MAAM,CAAA;YAE1B,SAAS,eAAe,CACpB,IAAwB,EACxB,KAAoB;gBAEpB,UAAU,CAAC,EAAE,CAAC,GAAG,EAAE,IAAI,EAAE,KAAK,EAAE,CAAA;gBAChC,WAAW,CAAC,IAAI,CAAC,KAAK,EAAE,KAAK,CAAC,CAAA;gBAE9B,OAAO,CAAC,GAAG,CAAC,OAAO,EAAE,IAAI,EAAE,IAAI,CAAC,OAAO,CAAC,CAAA;gBAExC,IAAA,6BAAgB,EAAC,UAAU,CAAC,CAAA;YAChC,CAAC;YAED,IAAI,CAAC,IAAI,EAAE,KAAK,CAAC,GAAG,MAAM,IAAA,eAAQ,EAAC,IAAI,EAAE,eAAe,CAAC,CAAA;YACzD,UAAU,CAAC,EAAE,CAAC,GAAG,EAAE,IAAI,EAAE,KAAK,EAAE,CAAA;YAEhC,OAAO,CAAC,GAAG,CAAC,IAAI,EAAE,IAAI,CAAC,OAAO,CAAC,CAAA;YAE/B,WAAW,CAAC,IAAI,CAAC,KAAK,EAAE,KAAK,CAAC,CAAA;SACjC;KACJ;IAED,IAAA,6BAAgB,EAAC,UAAU,CAAC,CAAA;IAE5B,OAAO,CAAC,GAAG,CAAC,wBAAwB,CAAC,CAAA;IACrC,IAAI,OAAO,CAAC,KAAK;QAAE,OAAO,CAAC,GAAG,CAAC,yBAAyB,CAAC,CAAA;AAC7D,CAAC,CAAC,EAAE,CAAA;AAEJ,SAAS,WAAW,CAAC,SAAiB,EAAE,KAAoB;IACxD,IAAI,KAAK,KAAK,IAAI,EAAE;QAChB,IAAA,kBAAa,EAAC,SAAS,EAAE,GAAG,IAAI,IAAI,EAAE,CAAC,WAAW,EAAE,OAAO,KAAK,EAAE,CAAC,CAAA;KACtE;SAAM,IAAI,IAAA,eAAU,EAAC,SAAS,CAAC,EAAE;QAC9B,IAAA,eAAU,EAAC,SAAS,CAAC,CAAA;KACxB;AACL,CAAC"}

package.json

@@ -19,6 +19,8 @@
     "author": "",
     "license": "ISC",
     "dependencies": {
+        "@types/command-line-args": "^5.2.0",
+        "command-line-args": "^5.2.1",
         "esbuild": "^0.14.42",
         "typescript": "^4.7.3"
     },

pnpm-lock.yaml

@@ -1,13 +1,17 @@
 lockfileVersion: 5.3
 
 specifiers:
+  '@types/command-line-args': ^5.2.0
   '@types/node': ^17.0.40
+  command-line-args: ^5.2.1
   esbuild: ^0.14.42
   eslint: ^8.17.0
   prettier: ^2.6.2
   typescript: ^4.7.3
 
 dependencies:
+  '@types/command-line-args': 5.2.0
+  command-line-args: 5.2.1
   esbuild: 0.14.42
   typescript: 4.7.3
 
@@ -50,6 +54,10 @@ packages:
     resolution: {integrity: sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==}
     dev: true
 
+  /@types/command-line-args/5.2.0:
+    resolution: {integrity: sha512-UuKzKpJJ/Ief6ufIaIzr3A/0XnluX7RvFgwkV89Yzvm77wCh1kFaFmqN8XEnGcN62EuHdedQjEMb8mYxFLGPyA==}
+    dev: false
+
   /@types/node/17.0.40:
     resolution: {integrity: sha512-UXdBxNGqTMtm7hCwh9HtncFVLrXoqA3oJW30j6XWp5BH/wu3mVeaxo7cq5benFdBw34HB3XDT2TRPI7rXZ+mDg==}
     dev: true
@@ -93,6 +101,11 @@ packages:
     resolution: {integrity: sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==}
     dev: true
 
+  /array-back/3.1.0:
+    resolution: {integrity: sha512-TkuxA4UCOvxuDK6NZYXCalszEzj+TLszyASooky+i742l9TqsOdYCMJJupxRic61hwquNtppB3hgcuq9SVSH1Q==}
+    engines: {node: '>=6'}
+    dev: false
+
   /balanced-match/1.0.2:
     resolution: {integrity: sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==}
     dev: true
@@ -128,6 +141,16 @@ packages:
     resolution: {integrity: sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==}
     dev: true
 
+  /command-line-args/5.2.1:
+    resolution: {integrity: sha512-H4UfQhZyakIjC74I9d34fGYDwk3XpSr17QhEd0Q3I9Xq1CETHo4Hcuo87WyWHpAF1aSLjLRf5lD9ZGX2qStUvg==}
+    engines: {node: '>=4.0.0'}
+    dependencies:
+      array-back: 3.1.0
+      find-replace: 3.0.0
+      lodash.camelcase: 4.3.0
+      typical: 4.0.0
+    dev: false
+
   /concat-map/0.0.1:
     resolution: {integrity: sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=}
     dev: true
@@ -501,6 +524,13 @@ packages:
       flat-cache: 3.0.4
     dev: true
 
+  /find-replace/3.0.0:
+    resolution: {integrity: sha512-6Tb2myMioCAgv5kfvP5/PkZZ/ntTpVK39fHY7WkWBgvbeE+VHd/tZuZ4mrC+bxh4cfOZeYKVPaJIZtZXV7GNCQ==}
+    engines: {node: '>=4.0.0'}
+    dependencies:
+      array-back: 3.1.0
+    dev: false
+
   /flat-cache/3.0.4:
     resolution: {integrity: sha512-dm9s5Pw7Jc0GvMYbshN6zchCA9RgQlzzEZX3vylR9IqFfS8XciblUXOKfW6SiuJ0e13eDYZoZV5wdrev7P3Nwg==}
     engines: {node: ^10.12.0 || >=12.0.0}
@@ -619,6 +649,10 @@ packages:
       type-check: 0.4.0
     dev: true
 
+  /lodash.camelcase/4.3.0:
+    resolution: {integrity: sha512-TwuEnCnxbc3rAvhf/LbG7tJUDzhqXyFnv3dtzLOPgCG/hODL7WFnsbwktkD7yUV0RrreP/l1PALq/YSg6VvjlA==}
+    dev: false
+
   /lodash.merge/4.6.2:
     resolution: {integrity: sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==}
     dev: true
@@ -758,6 +792,11 @@ packages:
     hasBin: true
     dev: false
 
+  /typical/4.0.0:
+    resolution: {integrity: sha512-VAH4IvQ7BDFYglMd7BPRDfLgxZZX4O4TFcRDA6EN5X7erNJJq+McIEp8np9aVtxrCJ6qx4GTYVfOWNjcqwZgRw==}
+    engines: {node: '>=8'}
+    dev: false
+
   /uri-js/4.4.1:
     resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
     dependencies:

src/build.ts

@@ -0,0 +1,71 @@
+import { build, BuildFailure } from 'esbuild'
+import { existsSync, readFileSync, writeFileSync, unlinkSync } from 'fs'
+import { DistPath, ScriptPath } from './paths'
+import { UserScriptMetaFull } from './types'
+import readMeta from './readmeta'
+
+export default async function (
+    name: string,
+    watchCallback:
+        | ((meta: UserScriptMetaFull, error: string | null) => void)
+        | false = false
+): Promise<[UserScriptMetaFull, string | null]> {
+    //read meta file
+    let [metaJson, metaString] = readMeta(name)
+    let outPath = DistPath(name)
+
+    let error: string | null = null
+
+    try {
+        await build({
+            entryPoints: [ScriptPath(name).main],
+            outfile: outPath,
+
+            target: 'esnext',
+            platform: 'node',
+            format: 'esm',
+
+            bundle: true,
+            minify: false,
+
+            watch: !watchCallback
+                ? false
+                : {
+                      onRebuild(err, result) {
+                          if (err) {
+                              console.error(name, err)
+                              let error = (err as BuildFailure).message
+                              watchCallback(metaJson, error)
+                          } else {
+                              console.log('watch build succeeded:', result)
+                          }
+                      },
+                  },
+
+            define: {
+                UserScriptName: `'${metaJson.name}'`,
+                UserScriptNamespace: `'${metaJson.namespace}'`,
+                UserScriptVersion: `'${metaJson.version}'`,
+
+                UserScriptDownloadURL: `'${metaJson.downloadURL}'`,
+                UserScriptSupportURL: `'${metaJson.supportURL}'`,
+                UserScriptHomepageURL: `'${metaJson.homepageURL}'`,
+            },
+        })
+    } catch (err) {
+        console.error(name, err)
+        error = (err as BuildFailure).message
+    }
+
+    //add UserScript header
+    if (existsSync(outPath)) {
+        if (!error) {
+            let content = readFileSync(outPath).toString()
+            writeFileSync(outPath, metaString + content)
+        } else {
+            unlinkSync(outPath)
+        }
+    }
+
+    return [metaJson, error]
+}

src/main.ts

@@ -1,66 +1,23 @@
-import { build, BuildFailure } from 'esbuild'
 import {
     existsSync,
     lstatSync,
     readdirSync,
-    readFileSync,
     unlinkSync,
     writeFileSync,
 } from 'fs'
-import { DistBase, DistPath, ScriptBase, ScriptPath } from './paths'
+import commandLineArgs from 'command-line-args'
+import { DistBase, ScriptBase, ScriptPath } from './paths'
 import { readmeData, updateReadmeFile } from './readmefile'
-import readMeta from './readmeta'
+import runBuild from './build'
 import { UserScriptMetaFull } from './types'
 
-async function compileProject(
+const CLIArgs = commandLineArgs([
-    name: string
+    { name: 'watch', alias: 'w', type: Boolean },
-): Promise<[UserScriptMetaFull, null | string]> {
+]) as {
-    //read meta file
+    watch: boolean
-    let [metaJson, metaString] = readMeta(name)
-    let outPath = DistPath(name)
-
-    let error: null | string = null
-
-    try {
-        await build({
-            entryPoints: [ScriptPath(name).main],
-            outfile: outPath,
-
-            target: 'esnext',
-            platform: 'node',
-            format: 'esm',
-
-            bundle: true,
-            minify: false,
-
-            define: {
-                UserScriptName: `'${metaJson.name}'`,
-                UserScriptNamespace: `'${metaJson.namespace}'`,
-                UserScriptVersion: `'${metaJson.version}'`,
-
-                UserScriptDownloadURL: `'${metaJson.downloadURL}'`,
-                UserScriptSupportURL: `'${metaJson.supportURL}'`,
-                UserScriptHomepageURL: `'${metaJson.homepageURL}'`,
-            },
-        })
-    } catch (e) {
-        console.error(name, e) //TODO better error log
-        error = (e as BuildFailure).message
-    }
-
-    //add UserScript header
-    if (existsSync(outPath)) {
-        if (!error) {
-            let content = readFileSync(outPath).toString()
-            writeFileSync(outPath, metaString + content)
-        } else {
-            unlinkSync(outPath)
-        }
-    }
-
-    return [metaJson, error]
 }
 
+//if package.json doesn't exist then there is no point in continuing
 if (!existsSync('package.json') || !lstatSync('package.json').isFile()) {
     console.error('package.json not found, unwilling to run')
     process.exit(1)
@@ -72,17 +29,11 @@ readdirSync(DistBase).forEach(file => unlinkSync(`${DistBase}/${file}`))
 //compile scripts
 ;(async () => {
     let scripts = readdirSync(ScriptBase)
-
     let scriptMeta: readmeData[] = []
 
     for (let name of scripts) {
         let path = ScriptPath(name)
 
-        //delete error file if it exists
-        if (existsSync(path.error)) {
-            unlinkSync(path.error)
-        }
-
         if (
             !name.endsWith('_') &&
             existsSync(path.dir) &&
@@ -90,23 +41,39 @@ readdirSync(DistBase).forEach(file => unlinkSync(`${DistBase}/${file}`))
             existsSync(path.main) &&
             lstatSync(path.main).isFile()
         ) {
-            let [meta, error] = await compileProject(name)
+            let id = scriptMeta.length
-            scriptMeta.push({
-                meta,
-                error,
-            })
 
-            //write error file
+            function postWatchUpdate(
-            if (error !== null) {
+                meta: UserScriptMetaFull,
-                writeFileSync(
+                error: string | null
-                    path.error,
+            ) {
-                    `${new Date().toISOString()}\n\n${error}`
+                scriptMeta[id] = { meta, error }
-                )
+                doErrorFile(path.error, error)
+
+                console.log('WATCH', name, meta.version)
+
+                updateReadmeFile(scriptMeta)
             }
+
+            let [meta, error] = await runBuild(name, postWatchUpdate)
+            scriptMeta[id] = { meta, error }
+
+            console.log(name, meta.version)
+
+            doErrorFile(path.error, error)
         }
     }
 
     updateReadmeFile(scriptMeta)
 
     console.log('\nFinished Compiling\n')
+    if (CLIArgs.watch) console.log('Listening for Changes\n')
 })()
+
+function doErrorFile(pathError: string, error: string | null) {
+    if (error !== null) {
+        writeFileSync(pathError, `${new Date().toISOString()}\n\n${error}`)
+    } else if (existsSync(pathError)) {
+        unlinkSync(pathError)
+    }
+}