feat: add --force flag to add/link/update

Tell yalc to re-install every package in its lockfile. No matter what.

This will eventually be replaced by a smarter "addPackages" function that checks node_modules even if the package exists in ".yalc" already.

Author: aleclarson

src/add.ts

@@ -20,6 +20,7 @@ export interface AddPackagesOptions {
   dev?: boolean
   link?: boolean
   pure?: boolean
+  force?: boolean
   noSave?: boolean
   workingDir: string
 }
@@ -135,7 +136,10 @@ export const addPackages = async (
           name
         )
 
-        if (signature === readSignatureFile(localPackageDir)) {
+        if (
+          !options.force &&
+          signature === readSignatureFile(localPackageDir)
+        ) {
           console.log(
             `"${packageName}" already exists in the local ".yalc" directory`
           )

src/update.ts

@@ -15,6 +15,7 @@ import {
 export interface UpdatePackagesOptions {
   workingDir: string
   noInstallationsRemove?: boolean
+  force?: boolean
   safe?: boolean
   yarn?: boolean
 }
@@ -60,7 +61,10 @@ export const updatePackages = async (
   }))
 
   const packagesFiles = lockPackages.filter(p => p.file).map(p => p.name)
-  await addPackages(packagesFiles, { workingDir })
+  await addPackages(packagesFiles, {
+    workingDir,
+    force: options.force
+  })
 
   const packagesLinks = lockPackages
     .filter(p => !p.file && !p.link && !p.pure)
@@ -70,14 +74,16 @@ export const updatePackages = async (
     workingDir,
     link: true,
     noSave: true,
-    pure: false
+    pure: false,
+    force: options.force
   })
 
   const packagesLinkDep = lockPackages.filter(p => p.link).map(p => p.name)
   await addPackages(packagesLinkDep, {
     workingDir,
     link: true,
-    pure: false
+    pure: false,
+    force: options.force
   })
 
   const packagesPure = lockPackages.filter(p => p.pure).map(p => p.name)

src/yalc.ts

@@ -119,10 +119,11 @@ yargs
     describe: 'Add package from yalc repo to the project',
     builder: () => {
       return yargs
-        .boolean(['link', 'dev', 'save', 'pure'])
+        .boolean(['link', 'dev', 'save', 'pure', 'force'])
         .default('link', true)
         .default('save', true)
         .alias('D', 'dev')
+        .alias('f', 'force')
         .help(true)
     },
     handler: argv => {
@@ -134,6 +135,7 @@ yargs
         dev: argv.dev,
         link: argv.link,
         pure: hasPureArg ? argv.pure : undefined,
+        force: argv.force,
         noSave: !argv.save,
         workingDir: process.cwd()
       })
@@ -143,10 +145,14 @@ yargs
     command: 'link',
     describe: 'Link package from yalc repo to the project',
     builder: () => {
-      return yargs.help(true)
+      return yargs
+        .boolean(['force'])
+        .alias('f', 'force')
+        .help(true)
     },
     handler: argv => {
       return addPackages(argv._.slice(1), {
+        force: argv.force,
         link: true,
         noSave: true,
         workingDir: process.cwd()
@@ -157,11 +163,15 @@ yargs
     command: 'update',
     describe: 'Update packages from yalc repo',
     builder: () => {
-      return yargs.help(true)
+      return yargs
+        .boolean(['force'])
+        .alias('f', 'force')
+        .help(true)
     },
     handler: argv => {
       return updatePackages(argv._.slice(1), {
-        workingDir: process.cwd()
+        workingDir: process.cwd(),
+        force: argv.force
       })
     }
   })