From 395bde1d0f78546e759c2ca27c14fda683bf2900 Mon Sep 17 00:00:00 2001
From: Blue Falcon <93707274+blue-falcon-9001@users.noreply.github.com>
Date: Sun, 7 Nov 2021 03:28:29 +0100
Subject: [PATCH] Add labels system

---
 package-lock.json    | 22 ++++++++++++++++++++++
 package.json         |  1 +
 rollup.config.js     |  4 +++-
 src/labels/EN.json   |  1 +
 src/lib/constants.js |  6 ++++++
 src/lib/labels.js    | 29 +++++++++++++++++++++++++++++
 src/lib/stores.js    |  7 ++++++-
 7 files changed, 68 insertions(+), 2 deletions(-)
 create mode 100644 src/labels/EN.json
 create mode 100644 src/lib/labels.js

diff --git a/package-lock.json b/package-lock.json
index 715055a..1d162f1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,6 +12,7 @@
       },
       "devDependencies": {
         "@rollup/plugin-commonjs": "^21.0.1",
+        "@rollup/plugin-json": "^4.1.0",
         "@rollup/plugin-node-resolve": "^13.0.6",
         "ethers": "^5.5.1",
         "rollup": "^2.58.0",
@@ -819,6 +820,18 @@
         "rollup": "^2.38.3"
       }
     },
+    "node_modules/@rollup/plugin-json": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-json/-/plugin-json-4.1.0.tgz",
+      "integrity": "sha512-yfLbTdNS6amI/2OpmbiBoW12vngr5NW2jCJVZSBEz+H5KfUJZ2M7sDjk0U6GOOdCWFVScShte29o9NezJ53TPw==",
+      "dev": true,
+      "dependencies": {
+        "@rollup/pluginutils": "^3.0.8"
+      },
+      "peerDependencies": {
+        "rollup": "^1.20.0 || ^2.0.0"
+      }
+    },
     "node_modules/@rollup/plugin-node-resolve": {
       "version": "13.0.6",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-13.0.6.tgz",
@@ -2651,6 +2664,15 @@
         "resolve": "^1.17.0"
       }
     },
+    "@rollup/plugin-json": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@rollup/plugin-json/-/plugin-json-4.1.0.tgz",
+      "integrity": "sha512-yfLbTdNS6amI/2OpmbiBoW12vngr5NW2jCJVZSBEz+H5KfUJZ2M7sDjk0U6GOOdCWFVScShte29o9NezJ53TPw==",
+      "dev": true,
+      "requires": {
+        "@rollup/pluginutils": "^3.0.8"
+      }
+    },
     "@rollup/plugin-node-resolve": {
       "version": "13.0.6",
       "resolved": "https://registry.npmjs.org/@rollup/plugin-node-resolve/-/plugin-node-resolve-13.0.6.tgz",
diff --git a/package.json b/package.json
index cb567d6..893b71e 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
   "homepage": "https://github.com/0xcap/client-v3#readme",
   "devDependencies": {
     "@rollup/plugin-commonjs": "^21.0.1",
+    "@rollup/plugin-json": "^4.1.0",
     "@rollup/plugin-node-resolve": "^13.0.6",
     "ethers": "^5.5.1",
     "rollup": "^2.58.0",
diff --git a/rollup.config.js b/rollup.config.js
index 68588d5..5299bd3 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,5 +1,6 @@
 import svelte from 'rollup-plugin-svelte';
 import commonjs from '@rollup/plugin-commonjs';
+import json from '@rollup/plugin-json';
 import resolve from '@rollup/plugin-node-resolve';
 import livereload from 'rollup-plugin-livereload';
 import { terser } from 'rollup-plugin-terser';
@@ -47,6 +48,7 @@ export default {
 				dev: !production
 			}
 		}),
+		json(),
 
 		production && gzipPlugin(),
 		production && gzipPlugin({
@@ -103,4 +105,4 @@ export default {
             usePolling: true
         }
 	}
-};
\ No newline at end of file
+};
diff --git a/src/labels/EN.json b/src/labels/EN.json
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/src/labels/EN.json
@@ -0,0 +1 @@
+{}
diff --git a/src/lib/constants.js b/src/lib/constants.js
index d91ffb7..d2ce149 100644
--- a/src/lib/constants.js
+++ b/src/lib/constants.js
@@ -99,4 +99,10 @@ export const CHAINDATA = {
 	}
 }
 
+// Languages
 
+export const LANG = {
+	EN: "EN",
+};
+
+export const LANG_DEFAULT = LANG.EN;
diff --git a/src/lib/labels.js b/src/lib/labels.js
new file mode 100644
index 0000000..b71a061
--- /dev/null
+++ b/src/lib/labels.js
@@ -0,0 +1,29 @@
+import EN from '../labels/EN.json';
+
+import { derived } from 'svelte/store';
+
+import { LANG_DEFAULT } from './constants';
+import { language as lang } from './stores';
+
+const LABELS = {
+	EN,
+};
+
+function dig(obj, keys) {
+	let current = obj;
+	for (const key of keys) {
+		if (key in current) {
+			current = current[key];
+		} else {
+			return;
+		}
+	}
+	return current;
+}
+
+function find(lang, label) {
+	const keys = label.split('.');
+	return dig(LABELS[lang], keys) || dig(LABELS[LANG_DEFAULT], keys);
+}
+
+export const L = derived([lang], ($lang) => (label) => find($lang, label));
diff --git a/src/lib/stores.js b/src/lib/stores.js
index 2a8b168..856990c 100644
--- a/src/lib/stores.js
+++ b/src/lib/stores.js
@@ -1,5 +1,7 @@
 import { writable, derived } from 'svelte/store'
 
+import { LANG_DEFAULT } from './constants'
+
 // History
 export const history = writable([]);
 
@@ -60,4 +62,7 @@ export const address = writable(null);
 
 export const allowances = writable({});
 
-export const wrongNetwork = writable(false);
\ No newline at end of file
+export const wrongNetwork = writable(false);
+
+// Language
+export const language = writable(LANG_DEFAULT);