From e3afc15a34e459699b2f61929d7b42bd7d64c89d Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Fri, 1 Apr 2022 17:37:34 +0200
Subject: [PATCH 1/2] Provide minified style spec and use it where applicable

---
 src/style-spec/feature_filter/index.js |  2 +-
 src/style-spec/reference/latest.js     |  7 +++---
 src/style-spec/rollup.config.js        | 30 ++++++++++++++++++++++++--
 src/style-spec/style-spec.js           |  3 ++-
 4 files changed, 35 insertions(+), 7 deletions(-)

diff --git a/src/style-spec/feature_filter/index.js b/src/style-spec/feature_filter/index.js
index 4ef02631c05..f527e7ace22 100644
--- a/src/style-spec/feature_filter/index.js
+++ b/src/style-spec/feature_filter/index.js
@@ -3,7 +3,7 @@
 import {createExpression} from '../expression/index.js';
 import {isFeatureConstant} from '../expression/is_constant.js';
 import {deepUnbundle} from '../util/unbundle_jsonlint.js';
-import latest from '../reference/latest.js';
+import {min as latest} from '../reference/latest.js';
 import type {GlobalProperties, Feature} from '../expression/index.js';
 import type {CanonicalTileID} from '../../source/tile_id.js';
 import type Point from '@mapbox/point-geometry';
diff --git a/src/style-spec/reference/latest.js b/src/style-spec/reference/latest.js
index 9448f6be777..c40e444afde 100644
--- a/src/style-spec/reference/latest.js
+++ b/src/style-spec/reference/latest.js
@@ -1,7 +1,8 @@
 // @flow
 
-import spec from './v8.json';
+import * as spec from './v8.json';
 
-export type StyleReference = typeof spec;
+export type StyleReference = typeof spec.default;
 
-export default spec;
+export default spec.default;
+export const min = spec.default;
diff --git a/src/style-spec/rollup.config.js b/src/style-spec/rollup.config.js
index a93738776af..8c7e4d0babb 100644
--- a/src/style-spec/rollup.config.js
+++ b/src/style-spec/rollup.config.js
@@ -3,7 +3,6 @@ import replace from '@rollup/plugin-replace';
 import resolve from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
 import unassert from 'rollup-plugin-unassert';
-import json from '@rollup/plugin-json';
 import {flow} from '../../build/rollup_plugins.js';
 
 // Build es modules?
@@ -12,6 +11,8 @@ const esm = 'esm' in process.env;
 import {fileURLToPath} from 'url';
 const __dirname = fileURLToPath(new URL('.', import.meta.url));
 
+const reviver = (key, value) => ['doc', 'example'].includes(key) ? undefined : value;
+
 const config = [{
     input: `${__dirname}/style-spec.js`,
     output: {
@@ -46,8 +47,33 @@ const config = [{
                 '_token_stack:': ''
             }
         }),
+        replace({
+            include: /\/reference\/latest\.js$/,
+            delimiters: ['', ''],
+            values: {
+                'export const min = spec.default': 'export const min = spec.min'
+            }
+        }),
         flow(),
-        json(),
+        {
+            name: 'json-min',
+            transform(code, id) {
+                if (id.endsWith('.json')) {
+                    const json = JSON.parse(code);
+                    const min = JSON.stringify(json, reviver);
+                    const full = JSON.stringify(json);
+                    code = `export default ${full}`;
+                    if (min !== full) {
+                        code += `\nexport const min = ${min}`;
+                    }
+                    return {
+                        code,
+                        map: null
+                    };
+                }
+                return null;
+            }
+        },
         unassert(),
         resolve({
             browser: true,
diff --git a/src/style-spec/style-spec.js b/src/style-spec/style-spec.js
index c1c4986b915..11781ca6d13 100644
--- a/src/style-spec/style-spec.js
+++ b/src/style-spec/style-spec.js
@@ -66,7 +66,7 @@ export type StylePropertySpecification = {
 };
 
 import v8 from './reference/v8.json';
-import latest from './reference/latest.js';
+import latest, {min as latestWithoutDocsAndExamples} from './reference/latest.js';
 import format from './format.js';
 import migrate from './migrate.js';
 import composite from './composite.js';
@@ -109,6 +109,7 @@ const visit = {eachSource, eachLayer, eachProperty};
 export {
     v8,
     latest,
+    latestWithoutDocsAndExamples,
     format,
     migrate,
     composite,

From 8657b84c33cf69b20d7deb9bb32fbd75a77fb246 Mon Sep 17 00:00:00 2001
From: Andreas Hocevar <andreas.hocevar@gmail.com>
Date: Mon, 11 Apr 2022 22:58:34 +0200
Subject: [PATCH 2/2] Also exclude sdk-support; find better name

---
 src/style-spec/rollup.config.js | 2 +-
 src/style-spec/style-spec.js    | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/style-spec/rollup.config.js b/src/style-spec/rollup.config.js
index 8c7e4d0babb..c9e05607a20 100644
--- a/src/style-spec/rollup.config.js
+++ b/src/style-spec/rollup.config.js
@@ -11,7 +11,7 @@ const esm = 'esm' in process.env;
 import {fileURLToPath} from 'url';
 const __dirname = fileURLToPath(new URL('.', import.meta.url));
 
-const reviver = (key, value) => ['doc', 'example'].includes(key) ? undefined : value;
+const reviver = (key, value) => ['doc', 'example', 'sdk-support'].includes(key) ? undefined : value;
 
 const config = [{
     input: `${__dirname}/style-spec.js`,
diff --git a/src/style-spec/style-spec.js b/src/style-spec/style-spec.js
index 11781ca6d13..0b9e32a28f0 100644
--- a/src/style-spec/style-spec.js
+++ b/src/style-spec/style-spec.js
@@ -66,7 +66,7 @@ export type StylePropertySpecification = {
 };
 
 import v8 from './reference/v8.json';
-import latest, {min as latestWithoutDocsAndExamples} from './reference/latest.js';
+import latest, {min as specMin} from './reference/latest.js';
 import format from './format.js';
 import migrate from './migrate.js';
 import composite from './composite.js';
@@ -109,7 +109,7 @@ const visit = {eachSource, eachLayer, eachProperty};
 export {
     v8,
     latest,
-    latestWithoutDocsAndExamples,
+    specMin,
     format,
     migrate,
     composite,