Replace yaml library with js-yaml (weaveworks#4565)

jest.config.js

@@ -8,6 +8,7 @@ const transformIgnorePatterns = [
   'install',
   'jest-canvas-mock',
   'js-sha3',
+  'js-yaml',
   'lodash',
   'luxon',
   'mnemonic-browser',

package.json

@@ -22,7 +22,7 @@
     }
   },
   "scripts": {
-    "build": "parcel build --target default --no-scope-hoist",
+    "build": "parcel build --target default",
     "build:lib": "parcel build --target lib",
     "typedefs": "tsc --declaration --skipLibCheck --emitDeclarationOnly --outDir dist -p .",
     "start": "parcel serve --port 4567 ui/index.html",
@@ -64,6 +64,7 @@
     "install": "^0.13.0",
     "jest-canvas-mock": "^2.5.2",
     "js-sha3": "0.9.3",
+    "js-yaml": "^4.1.0",
     "lodash": "^4.17.21",
     "luxon": "^3.5.0",
     "mnemonic-browser": "^0.0.1",
@@ -79,8 +80,7 @@
     "react-syntax-highlighter": "^15.6.1",
     "react-toastify": "^11.0.3",
     "remark-gfm": "^4.0.0",
-    "styled-components": "^6.1.14",
-    "yaml": "^2.7.0"
+    "styled-components": "^6.1.14"
   },
   "devDependencies": {
     "@babel/core": "^7.26.0",
@@ -97,6 +97,7 @@
     "@testing-library/react-hooks": "^7.0.0",
     "@types/babel__preset-env": "^7",
     "@types/jest": "^29.5.14",
+    "@types/js-yaml": "^4",
     "@types/lodash": "^4.17.14",
     "@types/luxon": "^3.4.2",
     "@types/react": "^18.0.0",

ui/lib/objects.ts

@@ -1,5 +1,5 @@
+import { dump } from "js-yaml";
 import _ from "lodash";
-import { stringify } from "yaml";
 import {
   Condition,
   GitRepositoryRef,
@@ -54,7 +54,7 @@ export class FluxObject {
   }
 
   get yaml(): string {
-    return stringify(this.obj);
+    return dump(this.obj);
   }
 
   get name(): string {

yarn.lock

@@ -3987,6 +3987,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/js-yaml@npm:^4":
+  version: 4.0.9
+  resolution: "@types/js-yaml@npm:4.0.9"
+  checksum: 10c0/24de857aa8d61526bbfbbaa383aa538283ad17363fcd5bb5148e2c7f604547db36646440e739d78241ed008702a8920665d1add5618687b6743858fae00da211
+  languageName: node
+  linkType: hard
+
 "@types/jsdom@npm:^20.0.0":
   version: 20.0.1
   resolution: "@types/jsdom@npm:20.0.1"
@@ -4395,6 +4402,7 @@ __metadata:
     "@testing-library/react-hooks": "npm:^7.0.0"
     "@types/babel__preset-env": "npm:^7"
     "@types/jest": "npm:^29.5.14"
+    "@types/js-yaml": "npm:^4"
     "@types/lodash": "npm:^4.17.14"
     "@types/luxon": "npm:^3.4.2"
     "@types/react": "npm:^18.0.0"
@@ -4419,6 +4427,7 @@ __metadata:
     jest-styled-components: "npm:^7.2.0"
     jest-worker: "npm:^29.7.0"
     js-sha3: "npm:0.9.3"
+    js-yaml: "npm:^4.1.0"
     jsdom: "npm:^26.0.0"
     lodash: "npm:^4.17.21"
     luxon: "npm:^3.5.0"
@@ -4444,7 +4453,6 @@ __metadata:
     ts-jest: "npm:^29.2.5"
     typescript: "npm:^5.7.3"
     typescript-eslint: "npm:^8.20.0"
-    yaml: "npm:^2.7.0"
     yarn-audit-fix: "npm:^10.1.1"
   peerDependencies:
     lodash: ^4.17.21
@@ -13070,15 +13078,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"yaml@npm:^2.7.0":
-  version: 2.7.0
-  resolution: "yaml@npm:2.7.0"
-  bin:
-    yaml: bin.mjs
-  checksum: 10c0/886a7d2abbd70704b79f1d2d05fe9fb0aa63aefb86e1cb9991837dced65193d300f5554747a872b4b10ae9a12bc5d5327e4d04205f70336e863e35e89d8f4ea9
-  languageName: node
-  linkType: hard
-
 "yargs-parser@npm:^21.1.1":
   version: 21.1.1
   resolution: "yargs-parser@npm:21.1.1"