Add X resources template

cli/packages/xresources/.gitignore

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+node_modules
+LICENSE.md

cli/packages/xresources/.yarnrc

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+version-tag-prefix "@themer/xresources-v"
+version-git-message "@themer/xresources-v%s"

cli/packages/xresources/README.md

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+# @themer/xresources
+
+An X resources template for [themer](https://github.com/mjswensen/themer).
+
+## Installation & usage
+
+Install this module wherever you have `themer` installed:
+
+    npm install @themer/xresources
+
+Then pass `@themer/xresources` as a `-t` (`--template`) arg to `themer`:
+
+    themer -c my-colors.js -t @themer/xresources -o gen
+
+Installation instructions for the generated theme(s) will be included in `<output dir>/README.md`.

cli/packages/xresources/lib/__snapshots__/index.spec.js.snap

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`themer xresources theme generator renders instructions 1`] = `
+"
+Copy the contents of 'themer-dark.Xresources' or 'themer-light.Xresources' into your .xresources configuration file.
+"
+`;
+
+exports[`themer xresources theme generator renders valid theme files 1`] = `
+"
+! general
+*background: #282629
+*foreground: #E0DCE0
+*cursor: #CC78FA
+
+! blacks
+*color0: #656066
+*color8: #847E85
+
+! reds
+*color1: #FF4050
+*color9: #FF6673
+
+! greens
+*color2: #A4CC35
+*color10: #B6D65D
+
+! yellows
+*color3: #FFD24A
+*color11: #FFDA6E
+
+! blues
+*color4: #66BFFF
+*color12: #85CBFF
+
+! magentas
+*color5: #F553BF
+*color13: #F775CC
+
+! cyans
+*color6: #26C99E
+*color14: #51D3B1
+
+! whites
+*color7: #E0DCE0
+*color15: #FFFCFF
+"
+`;
+
+exports[`themer xresources theme generator renders valid theme files 2`] = `
+"
+! general
+*background: #FFFCFF
+*foreground: #474247
+*cursor: #BF65F0
+
+! blacks
+*color0: #474247
+*color8: #656066
+
+! reds
+*color1: #F03E4D
+*color9: #F36471
+
+! greens
+*color2: #97BD2D
+*color10: #ACCA57
+
+! yellows
+*color3: #EEBA21
+*color11: #F1C74D
+
+! blues
+*color4: #53A6E1
+*color12: #75B7E7
+
+! magentas
+*color5: #EE4EB8
+*color13: #F171C6
+
+! cyans
+*color6: #1FC598
+*color14: #4CD0AD
+
+! whites
+*color7: #C1BCC2
+*color15: #E0DCE0
+"
+`;

cli/packages/xresources/lib/index.js

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+const Color = require('color');
+
+const MIX = 0.2;
+
+const brightMix = (colors, key, isDark) =>
+  Color(colors[key])
+    .mix(isDark ? Color(colors.shade7) : Color(colors.shade0), MIX)
+    .hex();
+
+const renderTheme = (colors, isDark) => `
+! general
+*background: ${colors.shade0}
+*foreground: ${colors.shade6}
+*cursor: ${colors.accent6}
+
+! blacks
+*color0: ${isDark ? colors.shade2 : colors.shade6}
+*color8: ${isDark ? colors.shade3 : colors.shade5}
+
+! reds
+*color1: ${colors.accent0}
+*color9: ${brightMix(colors, 'accent0', isDark)}
+
+! greens
+*color2: ${colors.accent3}
+*color10: ${brightMix(colors, 'accent3', isDark)}
+
+! yellows
+*color3: ${colors.accent2}
+*color11: ${brightMix(colors, 'accent2', isDark)}
+
+! blues
+*color4: ${colors.accent5}
+*color12: ${brightMix(colors, 'accent5', isDark)}
+
+! magentas
+*color5: ${colors.accent7}
+*color13: ${brightMix(colors, 'accent7', isDark)}
+
+! cyans
+*color6: ${colors.accent4}
+*color14: ${brightMix(colors, 'accent4', isDark)}
+
+! whites
+*color7: ${isDark ? colors.shade6 : colors.shade2}
+*color15: ${isDark ? colors.shade7 : colors.shade1}
+`;
+
+const render = colors => Object.entries(colors)
+  .map(async ([name, colors]) => ({
+    name: `themer-${name}.Xresources`,
+    contents: Buffer.from(renderTheme(colors, name === 'dark'), 'utf8'),
+  }));
+
+const renderInstructions = paths => `
+Copy the contents of ${paths.map(p => `'${p}'`).join(' or ')} into your .xresources configuration file.
+`;
+
+module.exports = {
+  render,
+  renderInstructions,
+};

cli/packages/xresources/lib/index.spec.js

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+const { render, renderInstructions } = require('./index');
+const { colors } = require('../../colors-default');
+
+describe('themer xresources theme generator', () => {
+  const promisedFiles = Promise.all(render(colors));
+  it('renders valid theme files', async () => {
+    const files = await promisedFiles;
+    files.forEach(file => {
+      expect(file.contents.toString('utf8')).toMatchSnapshot();
+    });
+  });
+  it('renders instructions', async () => {
+    const files = await promisedFiles;
+    const instructions = renderInstructions(files.map(({ name }) => name));
+    expect(instructions).toMatchSnapshot();
+  });
+});

cli/packages/xresources/package.json

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+{
+  "name": "@themer/xresources",
+  "version": "1.0.0",
+  "description": "An X resources template for themer",
+  "main": "lib/index.js",
+  "engines": {
+    "node": ">=8.11.4"
+  },
+  "scripts": {
+    "prepublishOnly": "cp ../../../LICENSE.md ./"
+  },
+  "author": "mjswensen",
+  "license": "MIT",
+  "files": [
+    "/lib/index.js"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/mjswensen/themer.git"
+  },
+  "bugs": {
+    "url": "https://github.com/mjswensen/themer/issues"
+  },
+  "homepage": "https://github.com/mjswensen/themer/tree/master/cli/packages/xresources#readme",
+  "peerDependencies": {
+    "themer": "^3"
+  },
+  "keywords": [
+    "themer",
+    "xresources",
+    "x",
+    "xterm"
+  ],
+  "dependencies": {
+    "color": "^3.1.2"
+  }
+}