diff --git a/developer/js/.npmignore b/developer/js/.npmignore
new file mode 100644
index 0000000000..884d65b27d
--- /dev/null
+++ b/developer/js/.npmignore
@@ -0,0 +1,6 @@
+# Ignore files required only in development.
+build.sh
+source/*
+tests/*
+*.js.map
+tsconfig.json
diff --git a/developer/js/README.md b/developer/js/README.md
index c8dc41a10c..f0734da630 100644
--- a/developer/js/README.md
+++ b/developer/js/README.md
@@ -1,8 +1,17 @@
 Keyman Developer
 ================
 
-This contains the source code of Keyman development tools. This also
-contains `kmlmc`.
+This contains the source code of Keyman development tools:
+
+ - `kmlmc` — takes **lexical model sources** and compiles them in to
+   a **.js** file.
+ - `kmlmp` — uses a `.model.kmp` file to generate a redistributable
+   **lexical model package**.
+ - `kmlmi` — merges Keyman lexical model `.model_info` files.
+
+`kmlmc` is intended to be used standalone, or as part of a build system.
+`kmlmp` is used only by command line tools. `kmlmi` is used only in the
+[lexical-models repository](https://github.com/keymanapp/lexical-models).
 
 In order to build [lexical models][], these tools must be built and
 compiled.
@@ -22,6 +31,14 @@ How to run the tests
     ./build.sh -test
 
 
+How to update the package version
+---------------------------------
+
+**NOTE**: this step should only be performed on the CI server:
+
+    ./build.sh -version MAJOR.MINOR.${BUILD_NUMBER} [-tier (alpha|beta)]
+
+
 How to install
 --------------
 
diff --git a/developer/js/build.sh b/developer/js/build.sh
index 870b2b149e..509f9ecc88 100755
--- a/developer/js/build.sh
+++ b/developer/js/build.sh
@@ -16,24 +16,15 @@ build () {
   npm run build || fail "Could not build top-level JavaScript file."
 }
 
-set_version () {
-  local version=$1
-  # We use --no-git-tag-version because our CI system controls version numbering and
-  # already tags releases. We also want to have the version of this match the
-  # release of Keyman Developer -- these two versions should be in sync. Because this
-  # is a large repo with multiple projects and build systems, it's better for us that
-  # individual build systems don't take too much ownership of git tagging. :)
-  npm --no-git-tag-version --allow-same-version version "$version" || fail "Could not set package version to $version."
-}
-
 display_usage ( ) {
   echo "Usage: $0 [-test] [-version version] [-tier tier]"
   echo "       $0 -help"
   echo
   echo "  -help               displays this screen and exits"
-  echo "  -test               runs unit tests after building"
   echo "  -version version    sets the package version before building"
-  echo "  -tier tier          also sets the package version tier (alpha, beta, stable) before building"
+  echo "  -test               runs unit tests after building"
+  echo "  -publish-to-npm     publishes the current version to the npm package index"
+  echo "  -tier tier          also sets the package version tier and npm tag (alpha, beta, stable) before building or publishing"
   echo "                      If version has 4 components, only first three are used."
 }
 
@@ -44,6 +35,8 @@ install_dependencies=1
 publish_version=
 publish_tier=
 lastkey=
+should_publish=0
+npm_dist_tag=
 
 # Process command-line arguments
 while [[ $# -gt 0 ]] ; do
@@ -64,6 +57,9 @@ while [[ $# -gt 0 ]] ; do
       -tier)
         lastkey=$key
         ;;
+      -publish-to-npm)
+        should_publish=1
+        ;;
       *)
         echo "$0: invalid option: $key"
         display_usage
@@ -95,18 +91,25 @@ if [ ! -z "$publish_version" ]; then
   [[ $publish_version =~ ^([0-9]+)\.([0-9]+)\.([0-9]+)$ ]] || fail "-version must be dotted numeric string, e.g. 1.2.3."
 fi
 
-if [ ! -z "$publish_tier" ]; then
-  [ -z "$publish_version" ] && fail "-tier cannot be specified without -version"
+if [ -n "$publish_tier" ]; then
+  # Make sure we're either setting the version or publishing:
+  if [ -z "$publish_version" ] && (( !should_publish )) ; then
+    fail "-tier cannot be specified without -version or -publish-to-npm"
+  fi
+
   case "$publish_tier" in
     alpha)
       publish_tier=-alpha
+      npm_dist_tag=alpha
       ;;
     beta)
       publish_tier=-beta
+      npm_dist_tag=beta
       ;;
     stable)
       # Stable releases intentionally have a blank publish tier:
       publish_tier=
+      npm_dist_tag=latest
       ;;
     *)
       fail "-tier must be one of alpha, beta or stable"
@@ -122,8 +125,8 @@ if (( install_dependencies )) ; then
   npm install || fail "Could not download dependencies."
 fi
 
-if [ ! -z "$publish_version" ]; then
-  set_version "$publish_version" || fail "Setting version failed."
+if [ -n "$publish_version" ]; then
+  set_npm_version "$publish_version" || fail "Setting version failed."
 fi
 
 build || fail "Compilation failed."
@@ -132,3 +135,11 @@ echo "Typescript compilation successful."
 if (( run_tests )); then
   npm test || fail "Tests failed"
 fi
+
+if (( should_publish )); then
+  # Note: In either case, npm publish MUST be given --access public to publish
+  # a package in the @keymanapp scope on the public npm package index.
+  #
+  # See `npm help publish` for more details.
+  npm publish --access public --tag "${npm_dist_tag:=latest}" || fail "Could not publish ${npm_dist_tag} release."
+fi
diff --git a/developer/js/package-lock.json b/developer/js/package-lock.json
index 1df0bd4aae..6e74cd9da4 100644
--- a/developer/js/package-lock.json
+++ b/developer/js/package-lock.json
@@ -1,13 +1,13 @@
 {
-  "name": "@keymanapp/developer-lexical-model-compiler",
+  "name": "@keymanapp/lexical-model-compiler",
   "version": "0.0.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
     "@types/chai": {
-      "version": "4.1.7",
-      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.1.7.tgz",
-      "integrity": "sha512-2Y8uPt0/jwjhQ6EiluT0XCri1Dbplr0ZxfFXUz+ye13gaqE8u5gL5ppao1JrUYr9cIip5S6MvQzBS7Kke7U9VA==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.2.3.tgz",
+      "integrity": "sha512-VRw2xEGbll3ZiTQ4J02/hUjNqZoue1bMhoo2dgM2LXjDdyaq4q80HgBDHwpI0/VKlo4Eg+BavyQMv/NYgTetzA==",
       "dev": true
     },
     "@types/mocha": {
@@ -17,9 +17,9 @@
       "dev": true
     },
     "@types/node": {
-      "version": "10.14.6",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.6.tgz",
-      "integrity": "sha512-Fvm24+u85lGmV4hT5G++aht2C5I4Z4dYlWZIh62FAfFO/TfzXtPpoLI6I7AuBWkIFqZCnhFOoTT7RjjaIL5Fjg==",
+      "version": "10.14.19",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.14.19.tgz",
+      "integrity": "sha512-j6Sqt38ssdMKutXBUuAcmWF8QtHW1Fwz/mz4Y+Wd9mzpBiVFirjpNQf363hG5itkG+yGaD+oiLyb50HxJ36l9Q==",
       "dev": true
     },
     "ansi-colors": {
@@ -44,9 +44,9 @@
       }
     },
     "arg": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.0.tgz",
-      "integrity": "sha512-ZWc51jO3qegGkVh8Hwpv636EkbesNV5ZNQPCtRa+0qytRYPEs9IYT9qITY9buezqUH5uqyzlWLcufrzU2rffdg==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.1.tgz",
+      "integrity": "sha512-SlmP3fEA88MBv0PypnXZ8ZfJhwmDeIE3SP71j37AiXQBXYosPV0x6uISAaHYSlSVhmHOVkomen0tbGk6Anlebw==",
       "dev": true
     },
     "argparse": {
@@ -130,22 +130,44 @@
       "dev": true
     },
     "cliui": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-      "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
+      "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
       "dev": true,
       "requires": {
-        "string-width": "^2.1.1",
-        "strip-ansi": "^4.0.0",
-        "wrap-ansi": "^2.0.0"
+        "string-width": "^3.1.0",
+        "strip-ansi": "^5.2.0",
+        "wrap-ansi": "^5.1.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
       }
     },
-    "code-point-at": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-      "dev": true
-    },
     "color-convert": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -162,9 +184,9 @@
       "dev": true
     },
     "commander": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-3.0.0.tgz",
-      "integrity": "sha512-pl3QrGOBa9RZaslQiqnnKX2J068wcQw7j9AIaBQ9/JEp5RY6je4jKTImg0Bd+rpoONSe7GUFSgkxLeo17m3Pow=="
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-3.0.2.tgz",
+      "integrity": "sha512-Gar0ASD4BDyKC4hl4DwHqDrmvjoxWKZigVnAbn5H1owvm4CxCPdb0HQDehwNYMJpla5+M2tPmPARzhtYuwpHow=="
     },
     "concat-map": {
       "version": "0.0.1",
@@ -172,19 +194,6 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
-    "cross-spawn": {
-      "version": "6.0.5",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
-      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
-      "dev": true,
-      "requires": {
-        "nice-try": "^1.0.4",
-        "path-key": "^2.0.1",
-        "semver": "^5.5.0",
-        "shebang-command": "^1.2.0",
-        "which": "^1.2.9"
-      }
-    },
     "debug": {
       "version": "3.2.6",
       "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
@@ -213,7 +222,6 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
       "integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
-      "dev": true,
       "requires": {
         "object-keys": "^1.0.12"
       }
@@ -230,34 +238,27 @@
       "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
       "dev": true
     },
-    "end-of-stream": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.1.tgz",
-      "integrity": "sha512-1MkrZNvWTKCaigbn+W15elq2BB/L22nqrSY5DKlo3X6+vclJm8Bb5djXJBmEX6fS3+zCh/F4VBK5Z2KxJt4s2Q==",
-      "dev": true,
-      "requires": {
-        "once": "^1.4.0"
-      }
-    },
     "es-abstract": {
-      "version": "1.13.0",
-      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.13.0.tgz",
-      "integrity": "sha512-vDZfg/ykNxQVwup/8E1BZhVzFfBxs9NqMzGcvIJrqg5k2/5Za2bWo40dK2J1pgLngZ7c+Shh8lwYtLGyrwPutg==",
-      "dev": true,
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/es-abstract/-/es-abstract-1.14.2.tgz",
+      "integrity": "sha512-DgoQmbpFNOofkjJtKwr87Ma5EW4Dc8fWhD0R+ndq7Oc456ivUfGOOP6oAZTTKl5/CcNMP+EN+e3/iUzgE0veZg==",
       "requires": {
         "es-to-primitive": "^1.2.0",
         "function-bind": "^1.1.1",
         "has": "^1.0.3",
+        "has-symbols": "^1.0.0",
         "is-callable": "^1.1.4",
         "is-regex": "^1.0.4",
-        "object-keys": "^1.0.12"
+        "object-inspect": "^1.6.0",
+        "object-keys": "^1.1.1",
+        "string.prototype.trimleft": "^2.0.0",
+        "string.prototype.trimright": "^2.0.0"
       }
     },
     "es-to-primitive": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.2.0.tgz",
       "integrity": "sha512-qZryBOJjV//LaxLTV6UC//WewneB3LcXOL9NP++ozKVXsIIIpm/2c13UDiD9Jp2eThsecw9m3jPqDwTyobcdbg==",
-      "dev": true,
       "requires": {
         "is-callable": "^1.1.4",
         "is-date-object": "^1.0.1",
@@ -276,21 +277,6 @@
       "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
       "dev": true
     },
-    "execa": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
-      "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
-      "dev": true,
-      "requires": {
-        "cross-spawn": "^6.0.0",
-        "get-stream": "^4.0.0",
-        "is-stream": "^1.1.0",
-        "npm-run-path": "^2.0.0",
-        "p-finally": "^1.0.0",
-        "signal-exit": "^3.0.0",
-        "strip-eof": "^1.0.0"
-      }
-    },
     "find-up": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
@@ -318,8 +304,7 @@
     "function-bind": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
-      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
-      "dev": true
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A=="
     },
     "get-caller-file": {
       "version": "2.0.5",
@@ -333,15 +318,6 @@
       "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE=",
       "dev": true
     },
-    "get-stream": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
-      "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
-      "dev": true,
-      "requires": {
-        "pump": "^3.0.0"
-      }
-    },
     "glob": {
       "version": "7.1.3",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
@@ -366,7 +342,6 @@
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
       "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
-      "dev": true,
       "requires": {
         "function-bind": "^1.1.1"
       }
@@ -380,8 +355,7 @@
     "has-symbols": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.0.0.tgz",
-      "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q=",
-      "dev": true
+      "integrity": "sha1-uhqPGvKg/DllD1yFA2dwQSIGO0Q="
     },
     "he": {
       "version": "1.2.0",
@@ -405,12 +379,6 @@
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
       "dev": true
     },
-    "invert-kv": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
-      "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==",
-      "dev": true
-    },
     "is-buffer": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
@@ -420,14 +388,12 @@
     "is-callable": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/is-callable/-/is-callable-1.1.4.tgz",
-      "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA==",
-      "dev": true
+      "integrity": "sha512-r5p9sxJjYnArLjObpjA4xu5EKI3CuKHkJXMhT7kwbpUyIFD1n5PMAsoPvWnvtZiNz7LjkYDRZhd7FlI0eMijEA=="
     },
     "is-date-object": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
-      "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY=",
-      "dev": true
+      "integrity": "sha1-mqIOtq7rv/d/vTPnTKAbM1gdOhY="
     },
     "is-fullwidth-code-point": {
       "version": "2.0.0",
@@ -439,22 +405,14 @@
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
       "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
-      "dev": true,
       "requires": {
         "has": "^1.0.1"
       }
     },
-    "is-stream": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
-      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
-      "dev": true
-    },
     "is-symbol": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/is-symbol/-/is-symbol-1.0.2.tgz",
       "integrity": "sha512-HS8bZ9ox60yCJLH9snBpIwv9pYUAkcuLhSA1oero1UB5y9aiQpRA8y2ex945AOtCZL1lJDeIk3G5LthswI46Lw==",
-      "dev": true,
       "requires": {
         "has-symbols": "^1.0.0"
       }
@@ -483,15 +441,6 @@
         "pako": "~0.2.5"
       }
     },
-    "lcid": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
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       "requires": {
         "sax": ">=0.6.0",
-        "xmlbuilder": "~9.0.1"
+        "util.promisify": "~1.0.0",
+        "xmlbuilder": "~11.0.0"
       }
     },
     "xmlbuilder": {
-      "version": "9.0.7",
-      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
-      "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
+      "version": "11.0.1",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-11.0.1.tgz",
+      "integrity": "sha512-fDlsI/kFEx7gLvbecc0/ohLG50fugQp8ryHzMTuW9vSa1GJ0XYWKnhsUx7oie3G98+r56aTQIUB4kht42R3JvA=="
     },
     "y18n": {
       "version": "4.0.0",
@@ -1044,22 +897,21 @@
       "dev": true
     },
     "yargs": {
-      "version": "13.2.2",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.2.tgz",
-      "integrity": "sha512-WyEoxgyTD3w5XRpAQNYUB9ycVH/PQrToaTXdYXRdOXvEy1l19br+VJsc0vcO8PTGg5ro/l/GY7F/JMEBmI0BxA==",
+      "version": "13.3.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.0.tgz",
+      "integrity": "sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==",
       "dev": true,
       "requires": {
-        "cliui": "^4.0.0",
+        "cliui": "^5.0.0",
         "find-up": "^3.0.0",
         "get-caller-file": "^2.0.1",
-        "os-locale": "^3.1.0",
         "require-directory": "^2.1.1",
         "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
         "string-width": "^3.0.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^13.0.0"
+        "yargs-parser": "^13.1.1"
       },
       "dependencies": {
         "ansi-regex": {
@@ -1091,9 +943,9 @@
       }
     },
     "yargs-parser": {
-      "version": "13.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.0.0.tgz",
-      "integrity": "sha512-w2LXjoL8oRdRQN+hOyppuXs+V/fVAYtpcrRxZuF7Kt/Oc+Jr2uAcVntaUTNT6w5ihoWfFDpNY8CPx1QskxZ/pw==",
+      "version": "13.1.1",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.1.tgz",
+      "integrity": "sha512-oVAVsHz6uFrg3XQheFII8ESO2ssAf9luWuAd6Wexsu4F3OtIW0o8IribPXYrD4WC24LWtPrJlGy87y5udK+dxQ==",
       "dev": true,
       "requires": {
         "camelcase": "^5.0.0",
@@ -1101,64 +953,20 @@
       }
     },
     "yargs-unparser": {
-      "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.5.0.tgz",
-      "integrity": "sha512-HK25qidFTCVuj/D1VfNiEndpLIeJN78aqgR23nL3y4N0U/91cOAzqfHlF8n2BvoNDcZmJKin3ddNSvOxSr8flw==",
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.6.0.tgz",
+      "integrity": "sha512-W9tKgmSn0DpSatfri0nx52Joq5hVXgeLiqR/5G0sZNDoLZFOr/xjBUDcShCOGNsBnEMNo1KAMBkTej1Hm62HTw==",
       "dev": true,
       "requires": {
         "flat": "^4.1.0",
-        "lodash": "^4.17.11",
-        "yargs": "^12.0.5"
-      },
-      "dependencies": {
-        "get-caller-file": {
-          "version": "1.0.3",
-          "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-          "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w==",
-          "dev": true
-        },
-        "require-main-filename": {
-          "version": "1.0.1",
-          "resolved": "https://registry.npmjs.org/require-main-filename/-/require-main-filename-1.0.1.tgz",
-          "integrity": "sha1-l/cXtp1IeE9fUmpsWqj/3aBVpNE=",
-          "dev": true
-        },
-        "yargs": {
-          "version": "12.0.5",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
-          "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
-          "dev": true,
-          "requires": {
-            "cliui": "^4.0.0",
-            "decamelize": "^1.2.0",
-            "find-up": "^3.0.0",
-            "get-caller-file": "^1.0.1",
-            "os-locale": "^3.0.0",
-            "require-directory": "^2.1.1",
-            "require-main-filename": "^1.0.1",
-            "set-blocking": "^2.0.0",
-            "string-width": "^2.0.0",
-            "which-module": "^2.0.0",
-            "y18n": "^3.2.1 || ^4.0.0",
-            "yargs-parser": "^11.1.1"
-          }
-        },
-        "yargs-parser": {
-          "version": "11.1.1",
-          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
-          "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
-          "dev": true,
-          "requires": {
-            "camelcase": "^5.0.0",
-            "decamelize": "^1.2.0"
-          }
-        }
+        "lodash": "^4.17.15",
+        "yargs": "^13.3.0"
       }
     },
     "yn": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.0.tgz",
-      "integrity": "sha512-kKfnnYkbTfrAdd0xICNFw7Atm8nKpLcLv9AZGEt+kczL/WQVai4e2V6ZN8U/O+iI6WrNuJjNNOyu4zfhl9D3Hg==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
+      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
       "dev": true
     }
   }
diff --git a/developer/js/package.json b/developer/js/package.json
index fe9ce2239e..ae634f6d13 100644
--- a/developer/js/package.json
+++ b/developer/js/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "@keymanapp/developer-lexical-model-compiler",
+  "name": "@keymanapp/lexical-model-compiler",
   "version": "0.0.0",
   "description": "Keyman Developer lexical model compiler",
   "keywords": [
@@ -11,7 +11,8 @@
   ],
   "scripts": {
     "build": "tsc",
-    "test": "mocha"
+    "test": "mocha",
+    "prepublishOnly": "npm run build"
   },
   "repository": {
     "type": "git",
@@ -19,14 +20,14 @@
   },
   "author": "Marc Durdin <marc@keyman.com> (https://github.com/mcdurdin)",
   "contributors": [
-    "Eddie Antonio Santos",
+    "Eddie Antonio Santos <Eddie.Santos@nrc-cnrc.gc.ca>",
     "Joshua Horton"
   ],
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/keymanapp/keyman/issues"
   },
-  "homepage": "https://github.com/keymanapp/keyman#readme",
+  "homepage": "https://github.com/keymanapp/keyman/tree/master/common/predictive-text#readme",
   "bin": {
     "kmlmc": "dist/kmlmc.js",
     "kmlmp": "dist/kmlmp.js",
diff --git a/docs/npm-packages.md b/docs/npm-packages.md
new file mode 100644
index 0000000000..b10d4f3f7d
--- /dev/null
+++ b/docs/npm-packages.md
@@ -0,0 +1,73 @@
+npm packages
+============
+
+This is a guide for how the various Keyman `npm` packages are developed
+and published.
+
+`npm` packages are published on the CI (continuous integration) server.
+Currently, we're using TeamCity for this.
+
+Packages are **never** published from a developer's machine.
+
+
+For CI developers
+-----------------
+
+### In general
+
+Before publishing, a package must be **built** and **tested** on the CI
+server.
+
+This is typically done with:
+
+    ./build.sh -test
+
+Once the build succeeds and the tests pass, the version is set in
+`package.json`:
+
+    ./build.sh -version 12.0.${BUILD_NUMBER} -tier ${tier}
+
+Now you can publish! Use the following script for this (again, **only on the CI server**!)
+
+    ./build.sh -publish-to-npm -tier ${tier}
+
+It is then uploaded to the npm package directory. **Ensure that the
+compiled sources are included in the tarball**. For example,
+
+    $ npm publish
+    npm notice 📦  @keymanapp/lexical-model-compiler@0.0.0
+    npm notice === Tarball Contents ===
+    npm notice 12.4kB dist/lexical-model-compiler/build-trie.js
+    npm notice 1.2kB  dist/kmlmc.js
+    npm notice 3.0kB  dist/kmlmi.js
+    npm notice 1.4kB  dist/kmlmp.js
+    npm notice 5.0kB  dist/package-compiler/kmp-compiler.js
+    npm notice 55B    dist/package-compiler/kmp-json-file.js
+    npm notice 552B   dist/package-compiler/kps-file.js
+    npm notice 4.6kB  dist/lexical-model-compiler/lexical-model-compiler.js
+    npm notice 315B   dist/lexical-model-compiler/lexical-model.js
+    npm notice 158B   dist/util/min-keyman-version.js
+    npm notice 4.5kB  dist/model-info-compiler/model-info-compiler.js
+    npm notice 57B    dist/lexical-model-compiler/model-info-file.js
+    npm notice 341B   dist/lexical-model-compiler/stub.js
+    npm notice 115B   dist/util/sysexits.js
+    npm notice 2.1kB  dist/util/util.js
+    npm notice 1.4kB  package.json
+    npm notice 1.0kB  README.md
+
+For every release of **Keyman Developer**, the CI publishes a release of
+`@keymanapp/lexical-model-compiler`. The version number is locked with
+the particular version of Keyman Developer.
+
+
+### `set_npm_version`
+
+This helper function sets the version in the `package.json` for the
+given package. It must be given a three-part version number, with an
+optional tier, "alpha" or "beta". No tier indicates "stable".
+
+```bash
+. $KEYMAN_REPOSITORY_ROOT/resources/shellHelperFunctions.sh
+
+set_npm_version MAJOR.MINOR.PATCH[-alpha|-beta]
+```
diff --git a/resources/shellHelperFunctions.sh b/resources/shellHelperFunctions.sh
index 6f20f3af24..f18561a794 100755
--- a/resources/shellHelperFunctions.sh
+++ b/resources/shellHelperFunctions.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 _shf_base_dir=$(dirname "$BASH_SOURCE")/..
 
@@ -239,3 +239,21 @@ set_version ( ) {
   fi
 }
 
+
+# Uses npm to set the current package version (package.json).
+#
+# NOTE: this must be invoked exclusively on the CI system!
+#
+# Usage:
+#
+#   set_npm_version VERSION_WITH_TIER
+#
+set_npm_version () {
+  local version=$1
+  # We use --no-git-tag-version because our CI system controls version numbering and
+  # already tags releases. We also want to have the version of this match the
+  # release of Keyman Developer -- these two versions should be in sync. Because this
+  # is a large repo with multiple projects and build systems, it's better for us that
+  # individual build systems don't take too much ownership of git tagging. :)
+  npm --no-git-tag-version --allow-same-version version "$version" || fail "Could not set package version to $version."
+}