Changed the prettier setup to be similar to unexpected

.editorconfig

@@ -1,9 +1,9 @@
 root = true
 
 [*]
+indent_size = 2
 end_of_line = lf
 insert_final_newline = true
-indent_size = 4
 indent_style = space
 
 [Makefile]

.eslintignore

@@ -1 +1,2 @@
 site-build
+test/instrumentAst.spec.js

.eslintrc.js

@@ -1,9 +1,15 @@
-module.exports = {
-    extends: [
-        'onelint'
-    ],
-    env: {
-        es6: true
-    },
-    parserOptions: null
+const config = {
+  extends: ['pretty-standard']
 };
+
+if (process.stdin.isTTY) {
+  // Enable plugin-prettier when running in a terminal. Allows us to have
+  // eslint verify prettier formatting, while not being bothered by it in our
+  // editors.
+  config.plugins = config.plugins || [];
+  config.plugins.push('prettier');
+  config.rules = config.rules || {};
+  config.rules['prettier/prettier'] = 'error';
+}
+
+module.exports = config;

.prettierignore

@@ -0,0 +1 @@
+package.json

.prettierrc

@@ -0,0 +1,3 @@
+{
+  "singleQuote": true
+}

bootstrap-unexpected-markdown.js

@@ -1,4 +1,4 @@
-/*global unexpected:true, expect:true*///eslint-disable-line no-unused-vars
+/*global unexpected:true, expect:true*/ //eslint-disable-line no-unused-vars
 unexpected = require('unexpected').clone();
 unexpected.output.preferredWidth = 80;
 unexpected.use(require('./lib/unexpected-check'));

lib/addRequireHook.js

@@ -10,156 +10,154 @@ const fs = require('fs');
 let ignoreDirectivesRelativeTo;
 
 function addDefaultIgnores() {
-    deepIgnore.add([
-        'node_modules/unexpected*',
-        'node_modules/array-changes',
-        'node_modules/arraydiff-papandreou',
-        'node_modules/array-changes-async',
-        'node_modules/arraydiff-async',
-        'node_modules/greedy-interval-packer',
-        'node_modules/magicpen',
-        'node_modules/mocha',
-        'node_modules/jest',
-        'node_modules/jasmine',
-        'node_modules/chance',
-        'node_modules/chance-generators',
-        'node_modules/sinon'
-    ]);
-    shallowIgnore.add([
-        'test',
-        '*.spec.js',
-        '../../unexpected-check/lib/unexpected-check.js'
-    ]);
+  deepIgnore.add([
+    'node_modules/unexpected*',
+    'node_modules/array-changes',
+    'node_modules/arraydiff-papandreou',
+    'node_modules/array-changes-async',
+    'node_modules/arraydiff-async',
+    'node_modules/greedy-interval-packer',
+    'node_modules/magicpen',
+    'node_modules/mocha',
+    'node_modules/jest',
+    'node_modules/jasmine',
+    'node_modules/chance',
+    'node_modules/chance-generators',
+    'node_modules/sinon'
+  ]);
+  shallowIgnore.add([
+    'test',
+    '*.spec.js',
+    '../../unexpected-check/lib/unexpected-check.js'
+  ]);
 }
 
 if (process.env.DFL_IGNORE) {
-    // Root-relative paths will be interpreted as absolute
-    shallowIgnore.add(process.env.DFL_IGNORE);
+  // Root-relative paths will be interpreted as absolute
+  shallowIgnore.add(process.env.DFL_IGNORE);
 } else {
-    const closestPackageJson = pkgUp.sync();
-    if (closestPackageJson) {
-        try {
-            const packageDirName = pathModule.dirname(closestPackageJson);
-            ignoreDirectivesRelativeTo = packageDirName;
-
-            const dflIgnorePath = pathModule.resolve(
-                packageDirName,
-                '.dflignore'
-            );
-            // Root-relative paths will be interpreted as relative
-            // to the .dflignore file, as per the .gitignore convention:
-            shallowIgnore.add(fs.readFileSync(dflIgnorePath, 'utf-8'));
-        } catch (err) {
-            addDefaultIgnores();
-        }
-    } else {
-        addDefaultIgnores();
+  const closestPackageJson = pkgUp.sync();
+  if (closestPackageJson) {
+    try {
+      const packageDirName = pathModule.dirname(closestPackageJson);
+      ignoreDirectivesRelativeTo = packageDirName;
+
+      const dflIgnorePath = pathModule.resolve(packageDirName, '.dflignore');
+      // Root-relative paths will be interpreted as relative
+      // to the .dflignore file, as per the .gitignore convention:
+      shallowIgnore.add(fs.readFileSync(dflIgnorePath, 'utf-8'));
+    } catch (err) {
+      addDefaultIgnores();
     }
+  } else {
+    addDefaultIgnores();
+  }
 }
 
 let locations;
 let prevLocation;
 
 function initialize() {
-    global.recordLocation.locations = locations = Object.create(null);
-    global.recordProximity.proximity = Object.create(null);
-    prevLocation = 0;
+  global.recordLocation.locations = locations = Object.create(null);
+  global.recordProximity.proximity = Object.create(null);
+  prevLocation = 0;
 }
 
-global.recordLocation = (location) => {
-    const key = location ^ prevLocation;
-    locations[key] = (locations[key] || 0) + 1;
-    prevLocation = location >> 1;
+global.recordLocation = location => {
+  const key = location ^ prevLocation;
+  locations[key] = (locations[key] || 0) + 1;
+  prevLocation = location >> 1;
 };
 
 function evaluate(left, operator, right) {
-    switch (operator) {
+  switch (operator) {
     case '===':
-        return left === right;
+      return left === right;
     case '!==':
-        return left !== right;
+      return left !== right;
     case '<':
-        return left < right;
+      return left < right;
     case '>':
-        return left > right;
+      return left > right;
     case '<=':
-        return left <= right;
+      return left <= right;
     case '>=':
-        return left >= right;
+      return left >= right;
     case '==':
-        return left == right; // eslint-disable-line eqeqeq
-    }
+      return left == right; // eslint-disable-line eqeqeq
+  }
 }
 
 function calculateNumberProximity(left, operator, right) {
-    var difference = Math.abs(left - right);
-    if (difference > 1000) {
-        return null;
-    }
+  var difference = Math.abs(left - right);
+  if (difference > 1000) {
+    return null;
+  }
 
-    switch (operator) {
+  switch (operator) {
     case '!==':
-        return Number.isInteger(left) && Number.isInteger(right) ? 1 : null;
+      return Number.isInteger(left) && Number.isInteger(right) ? 1 : null;
     case '===':
     case '==':
-        return Number.isInteger(left) && Number.isInteger(right)
-            ? difference
-            : null;
+      return Number.isInteger(left) && Number.isInteger(right)
+        ? difference
+        : null;
     case '<':
     case '>':
-        return difference;
+      return difference;
     case '<=':
     case '>=':
-        return difference + 1;
+      return difference + 1;
     default:
-        return null;
-    }
+      return null;
+  }
 }
 
 function calculateStringProximity(left, operator, right) {
-    switch (operator) {
+  switch (operator) {
     case '!==':
-        return 1;
+      return 1;
     case '===':
     case '==':
-        const lengthDifference = Math.abs(left.length - right.length);
-        const limit = 30;
-
-        let difference = lengthDifference;
-        if (difference >= limit) {
-            for (var i = 0; i < Math.min(left.length, right.length); i += 1) {
-                if (left[i] !== right[i]) {
-                    difference++;
-                }
-            }
+      const lengthDifference = Math.abs(left.length - right.length);
+      const limit = 30;
+
+      let difference = lengthDifference;
+      if (difference >= limit) {
+        for (var i = 0; i < Math.min(left.length, right.length); i += 1) {
+          if (left[i] !== right[i]) {
+            difference++;
+          }
         }
+      }
 
-        return difference > limit ? null : difference;
+      return difference > limit ? null : difference;
     default:
-        return null;
-    }
+      return null;
+  }
 }
 
 global.recordProximity = (left, operator, right) => {
-    let result = evaluate(left, operator, right);
-    const leftType = typeof left;
-    const rightType = typeof right;
+  let result = evaluate(left, operator, right);
+  const leftType = typeof left;
+  const rightType = typeof right;
 
-    let proximity = null;
+  let proximity = null;
 
-    if (!result) {
-        if (leftType === 'number' && rightType === 'number') {
-            proximity = calculateNumberProximity(left, operator, right);
-        } else if (leftType === 'string' && rightType === 'string') {
-            proximity = calculateStringProximity(left, operator, right);
-        }
+  if (!result) {
+    if (leftType === 'number' && rightType === 'number') {
+      proximity = calculateNumberProximity(left, operator, right);
+    } else if (leftType === 'string' && rightType === 'string') {
+      proximity = calculateStringProximity(left, operator, right);
     }
+  }
 
-    if (proximity !== null && proximity > 0) {
-        global.recordProximity.proximity[proximity] = (global.recordProximity.proximity[proximity] || 0) + 1;
-    }
+  if (proximity !== null && proximity > 0) {
+    global.recordProximity.proximity[proximity] =
+      (global.recordProximity.proximity[proximity] || 0) + 1;
+  }
 
-    return result;
+  return result;
 };
 
 initialize();
@@ -169,39 +167,48 @@ global.recordLocation.magicValues = new Set();
 
 var nextLocationNumber = 1;
 function getNextLocationNumber() {
-    return nextLocationNumber++;
+  return nextLocationNumber++;
 }
 
 const oldRequireHook = require.extensions['.js'];
-require.extensions['.js'] = function (module, absoluteFileName) {
-    let code;
-    oldRequireHook(
-        Object.create(module, {
-            _compile: {
-                value: _code => code = _code
-            }
-        }),
-        absoluteFileName
+require.extensions['.js'] = function(module, absoluteFileName) {
+  let code;
+  oldRequireHook(
+    Object.create(module, {
+      _compile: {
+        value: _code => (code = _code)
+      }
+    }),
+    absoluteFileName
+  );
+  let fileNameToCheck;
+  if (ignoreDirectivesRelativeTo) {
+    fileNameToCheck = pathModule.relative(
+      ignoreDirectivesRelativeTo,
+      absoluteFileName
     );
-    let fileNameToCheck;
-    if (ignoreDirectivesRelativeTo) {
-        fileNameToCheck = pathModule.relative(ignoreDirectivesRelativeTo, absoluteFileName);
-    } else {
-        fileNameToCheck = absoluteFileName;
-    }
-
-    if (deepIgnore.ignores(fileNameToCheck) || (module.parent && module.parent._unexpectedCheckDeepIgnored)) {
-        module._unexpectedCheckDeepIgnored = true;
-    } else if (!shallowIgnore.ignores(fileNameToCheck)) {
-        console.log('instrument', fileNameToCheck);
-        const ast = esprima.parseScript(code, {
-            source: pathModule.relative(process.cwd(), absoluteFileName)
-        });
-        const { instrumentedAst, magicValues } = instrumentAst(ast, getNextLocationNumber);
-        code = escodegen.generate(instrumentedAst);
-        for (const magicValue of magicValues) {
-            global.recordLocation.magicValues.add(magicValue);
-        }
+  } else {
+    fileNameToCheck = absoluteFileName;
+  }
+
+  if (
+    deepIgnore.ignores(fileNameToCheck) ||
+    (module.parent && module.parent._unexpectedCheckDeepIgnored)
+  ) {
+    module._unexpectedCheckDeepIgnored = true;
+  } else if (!shallowIgnore.ignores(fileNameToCheck)) {
+    console.log('instrument', fileNameToCheck);
+    const ast = esprima.parseScript(code, {
+      source: pathModule.relative(process.cwd(), absoluteFileName)
+    });
+    const { instrumentedAst, magicValues } = instrumentAst(
+      ast,
+      getNextLocationNumber
+    );
+    code = escodegen.generate(instrumentedAst);
+    for (const magicValue of magicValues) {
+      global.recordLocation.magicValues.add(magicValue);
     }
-    module._compile(code, absoluteFileName);
+  }
+  module._compile(code, absoluteFileName);
 };