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102 lines
2.6 KiB
Markdown
102 lines
2.6 KiB
Markdown
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# Electron-to-Chromium
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This repository provides a mapping of Electron versions to the Chromium version that it uses.
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## Install
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Install using `npm install electron-to-chromium`.
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## Usage
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to include electron-to-chromium, require it:
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```js
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var e2c = require('electron-to-chromium');
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```
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### Properties
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The Electron-to-Chromium object has 4 properties to use:
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#### versions
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An object with all _major_ Electron versions as keys and their respective major Chromium version as string value.
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```js
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var versions = e2c.versions;
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console.log(versions['1.4']);
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// returns "53"
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```
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#### fullVersions
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An object with all Electron versions as keys and their respective Chromium version as value.
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```js
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var versions = e2c.fullVersions;
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console.log(versions['1.4.11']);
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// returns "53.0.2785.143"
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```
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#### electronToChromium(query)
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Arguments:
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* Query: string or number, required. A major or full electron version.
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A function that returns the corresponding Chromium version for a given Electron function. Returns a string.
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If you provide it with a major Electron version, it will return a major Chromium version:
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```js
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var chromeVersion = e2c.electronToChromium('1.4');
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// chromeVersion is "53"
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```
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If you provide it with a full Electron version, it will return the full Chromium version.
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```js
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var chromeVersion = e2c.electronToChromium('1.4.11');
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// chromeVersion is "53.0.2785.143"
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```
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If a query does not match a Chromium version, it will return `undefined`.
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```js
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var chromeVersion = e2c.electronToChromium('9000');
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// chromeVersion is undefined
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```
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#### electronToBrowserList(query)
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Arguments:
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* Query: string or number, required. A major Electron version.
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A function that returns a [Browserlist](https://github.com/ai/browserslist) query that matches the given major Electron version. Returns a string.
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If you provide it with a major Electron version, it will return a Browserlist query string that matches the chromium capabilities:
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```js
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var query = e2c.electronToBrowserList('1.4');
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// query is "Chrome >= 53"
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```
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If a query does not match a Chromium version, it will return `undefined`.
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```js
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var query = e2c.electronToBrowserList('9000');
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// query is undefined
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```
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### importing just versions or fullVersions
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Both the versions and the fullVersions list can be imported on their own, if file-size is a concern.
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### versions
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```js
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var versions = require('electron-to-chromium/versions');
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```
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### fullVersions
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```js
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var fullVersions = require('electron-to-chromium/full-versions');
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```
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## Updating
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This package will be updated with each new Electron release.
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To update the list, run `npm run build.js`. Requires internet access as it downloads from the canonical list of Electron versions.
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