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Add optional chaining (#8052)

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* Add plugin-proposal-optional-chaining

* Use optional chaining to provide error fallback
This commit is contained in:
ricky 2020-02-18 10:11:52 -05:00 committed by GitHub
parent 9c45ae0552
commit 1f9e3b89d4
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4 changed files with 18 additions and 1 deletions
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2
app/scripts/metamask-controller.js
View File

@ -257,7 +257,7 @@ export default class MetamaskController extends EventEmitter {
const metamaskState = await this.getState()
backEndMetaMetricsEvent(metamaskState, {
customVariables: {
errorMessage: txMeta.simulationFails.reason,
errorMessage: txMeta.simulationFails?.reason,
},
eventOpts: {
category: 'backend',

1
babel.config.js
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@ -19,6 +19,7 @@ module.exports = function (api) {
'@babel/plugin-transform-runtime',
'@babel/plugin-proposal-class-properties',
'@babel/plugin-proposal-object-rest-spread',
'@babel/plugin-proposal-optional-chaining',
],
}
}

1
package.json
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@ -172,6 +172,7 @@
"@babel/core": "^7.5.5",
"@babel/plugin-proposal-class-properties": "^7.5.5",
"@babel/plugin-proposal-object-rest-spread": "^7.5.5",
"@babel/plugin-proposal-optional-chaining": "^7.8.3",
"@babel/plugin-transform-runtime": "^7.5.5",
"@babel/preset-env": "^7.5.5",
"@babel/preset-react": "^7.0.0",

15
yarn.lock
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@ -434,6 +434,14 @@
"@babel/helper-plugin-utils" "^7.0.0"
"@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
"@babel/plugin-proposal-optional-chaining@^7.8.3":
version "7.8.3"
resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.8.3.tgz#ae10b3214cb25f7adb1f3bc87ba42ca10b7e2543"
integrity sha512-QIoIR9abkVn+seDE3OjA08jWcs3eZ9+wJCKSRgo3WdEU2csFYgdScb+8qHB3+WXsGJD55u+5hWCISI7ejXS+kg==
dependencies:
"@babel/helper-plugin-utils" "^7.8.3"
"@babel/plugin-syntax-optional-chaining" "^7.8.0"
"@babel/plugin-proposal-unicode-property-regex@^7.4.4":
version "7.4.4"
resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-unicode-property-regex/-/plugin-proposal-unicode-property-regex-7.4.4.tgz#501ffd9826c0b91da22690720722ac7cb1ca9c78"
@ -499,6 +507,13 @@
dependencies:
"@babel/helper-plugin-utils" "^7.0.0"
"@babel/plugin-syntax-optional-chaining@^7.8.0":
version "7.8.3"
resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-optional-chaining/-/plugin-syntax-optional-chaining-7.8.3.tgz#4f69c2ab95167e0180cd5336613f8c5788f7d48a"
integrity sha512-KoK9ErH1MBlCPxV0VANkXW2/dw4vlbGDrFgz8bmUsBGYkFRcbRwMh6cIJubdPrkxRwuGdtCk0v/wPTKbQgBjkg==
dependencies:
"@babel/helper-plugin-utils" "^7.8.0"
"@babel/plugin-transform-arrow-functions@^7.2.0":
version "7.2.0"
resolved "https://registry.yarnpkg.com/@babel/plugin-transform-arrow-functions/-/plugin-transform-arrow-functions-7.2.0.tgz#9aeafbe4d6ffc6563bf8f8372091628f00779550"