add linting (and some initial fixes)

1 files changed, 177 insertions, 0 deletions

diff --git a/node_modules/diff/lib/patch/apply.js b/node_modules/diff/lib/patch/apply.js
new file mode 100644
index 000000000..829820f5d
--- /dev/null
+++ b/node_modules/diff/lib/patch/apply.js
@@ -0,0 +1,177 @@
+/*istanbul ignore start*/'use strict';
+
+exports.__esModule = true;
+exports. /*istanbul ignore end*/applyPatch = applyPatch;
+/*istanbul ignore start*/exports. /*istanbul ignore end*/applyPatches = applyPatches;
+
+var /*istanbul ignore start*/_parse = require('./parse') /*istanbul ignore end*/;
+
+var /*istanbul ignore start*/_distanceIterator = require('../util/distance-iterator') /*istanbul ignore end*/;
+
+/*istanbul ignore start*/
+var _distanceIterator2 = _interopRequireDefault(_distanceIterator);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+/*istanbul ignore end*/function applyPatch(source, uniDiff) {
+  /*istanbul ignore start*/var /*istanbul ignore end*/options = arguments.length <= 2 || arguments[2] === undefined ? {} : arguments[2];
+
+  if (typeof uniDiff === 'string') {
+    uniDiff = /*istanbul ignore start*/(0, _parse.parsePatch) /*istanbul ignore end*/(uniDiff);
+  }
+
+  if (Array.isArray(uniDiff)) {
+    if (uniDiff.length > 1) {
+      throw new Error('applyPatch only works with a single input.');
+    }
+
+    uniDiff = uniDiff[0];
+  }
+
+  // Apply the diff to the input
+  var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
+      delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
+      hunks = uniDiff.hunks,
+      compareLine = options.compareLine || function (lineNumber, line, operation, patchContent) /*istanbul ignore start*/{
+    return (/*istanbul ignore end*/line === patchContent
+    );
+  },
+      errorCount = 0,
+      fuzzFactor = options.fuzzFactor || 0,
+      minLine = 0,
+      offset = 0,
+      removeEOFNL = /*istanbul ignore start*/void 0 /*istanbul ignore end*/,
+      addEOFNL = /*istanbul ignore start*/void 0 /*istanbul ignore end*/;
+
+  /**
+   * Checks if the hunk exactly fits on the provided location
+   */
+  function hunkFits(hunk, toPos) {
+    for (var j = 0; j < hunk.lines.length; j++) {
+      var line = hunk.lines[j],
+          operation = line[0],
+          content = line.substr(1);
+
+      if (operation === ' ' || operation === '-') {
+        // Context sanity check
+        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
+          errorCount++;
+
+          if (errorCount > fuzzFactor) {
+            return false;
+          }
+        }
+        toPos++;
+      }
+    }
+
+    return true;
+  }
+
+  // Search best fit offsets for each hunk based on the previous ones
+  for (var i = 0; i < hunks.length; i++) {
+    var hunk = hunks[i],
+        maxLine = lines.length - hunk.oldLines,
+        localOffset = 0,
+        toPos = offset + hunk.oldStart - 1;
+
+    var iterator = /*istanbul ignore start*/(0, _distanceIterator2['default']) /*istanbul ignore end*/(toPos, minLine, maxLine);
+
+    for (; localOffset !== undefined; localOffset = iterator()) {
+      if (hunkFits(hunk, toPos + localOffset)) {
+        hunk.offset = offset += localOffset;
+        break;
+      }
+    }
+
+    if (localOffset === undefined) {
+      return false;
+    }
+
+    // Set lower text limit to end of the current hunk, so next ones don't try
+    // to fit over already patched text
+    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
+  }
+
+  // Apply patch hunks
+  for (var _i = 0; _i < hunks.length; _i++) {
+    var _hunk = hunks[_i],
+        _toPos = _hunk.offset + _hunk.newStart - 1;
+    if (_hunk.newLines == 0) {
+      _toPos++;
+    }
+
+    for (var j = 0; j < _hunk.lines.length; j++) {
+      var line = _hunk.lines[j],
+          operation = line[0],
+          content = line.substr(1),
+          delimiter = _hunk.linedelimiters[j];
+
+      if (operation === ' ') {
+        _toPos++;
+      } else if (operation === '-') {
+        lines.splice(_toPos, 1);
+        delimiters.splice(_toPos, 1);
+        /* istanbul ignore else */
+      } else if (operation === '+') {
+          lines.splice(_toPos, 0, content);
+          delimiters.splice(_toPos, 0, delimiter);
+          _toPos++;
+        } else if (operation === '\\') {
+          var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;
+          if (previousOperation === '+') {
+            removeEOFNL = true;
+          } else if (previousOperation === '-') {
+            addEOFNL = true;
+          }
+        }
+    }
+  }
+
+  // Handle EOFNL insertion/removal
+  if (removeEOFNL) {
+    while (!lines[lines.length - 1]) {
+      lines.pop();
+      delimiters.pop();
+    }
+  } else if (addEOFNL) {
+    lines.push('');
+    delimiters.push('\n');
+  }
+  for (var _k = 0; _k < lines.length - 1; _k++) {
+    lines[_k] = lines[_k] + delimiters[_k];
+  }
+  return lines.join('');
+}
+
+// Wrapper that supports multiple file patches via callbacks.
+function applyPatches(uniDiff, options) {
+  if (typeof uniDiff === 'string') {
+    uniDiff = /*istanbul ignore start*/(0, _parse.parsePatch) /*istanbul ignore end*/(uniDiff);
+  }
+
+  var currentIndex = 0;
+  function processIndex() {
+    var index = uniDiff[currentIndex++];
+    if (!index) {
+      return options.complete();
+    }
+
+    options.loadFile(index, function (err, data) {
+      if (err) {
+        return options.complete(err);
+      }
+
+      var updatedContent = applyPatch(data, index, options);
+      options.patched(index, updatedContent, function (err) {
+        if (err) {
+          return options.complete(err);
+        }
+
+        processIndex();
+      });
+    });
+  }
+  processIndex();
+}
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j < hunk.lines.length; j++) {\n      let line = hunk.lines[j],\n          operation = line[0],\n          content = line.substr(1);\n\n      if (operation === ' ' || operation === '-') {\n        // Context sanity check\n        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {\n          errorCount++;\n\n          if (errorCount > fuzzFactor) {\n            return false;\n          }\n        }\n        toPos++;\n      }\n    }\n\n    return true;\n  }\n\n  // Search best fit offsets for each hunk based on the previous ones\n  for (let i = 0; i < hunks.length; i++) {\n    let hunk = hunks[i],\n        maxLine = lines.length - hunk.oldLines,\n        localOffset = 0,\n        toPos = offset + hunk.oldStart - 1;\n\n    let iterator = distanceIterator(toPos, minLine, maxLine);\n\n    for (; localOffset !== undefined; localOffset = iterator()) {\n      if (hunkFits(hunk, toPos + localOffset)) {\n        hunk.offset = offset += localOffset;\n        break;\n      }\n    }\n\n    if (localOffset === undefined) {\n      return false;\n    }\n\n    // Set lower text limit to end of the current hunk, so next ones don't try\n    // to fit over already patched text\n    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;\n  }\n\n  // Apply patch hunks\n  for (let i = 0; i < hunks.length; i++) {\n    let hunk = hunks[i],\n        toPos = hunk.offset + hunk.newStart - 1;\n    if (hunk.newLines == 0) { toPos++; }\n\n    for (let j = 0; j < hunk.lines.length; j++) {\n      let line = hunk.lines[j],\n          operation = line[0],\n          content = line.substr(1),\n          delimiter = hunk.linedelimiters[j];\n\n      if (operation === ' ') {\n        toPos++;\n      } else if (operation === '-') {\n        lines.splice(toPos, 1);\n        delimiters.splice(toPos, 1);\n      /* istanbul ignore else */\n      } else if (operation === '+') {\n        lines.splice(toPos, 0, content);\n        delimiters.splice(toPos, 0, delimiter);\n        toPos++;\n      } else if (operation === '\\\\') {\n        let previousOperation = hunk.lines[j - 1] ? hunk.lines[j - 1][0] : null;\n        if (previousOperation === '+') {\n          removeEOFNL = true;\n        } else if (previousOperation === '-') {\n          addEOFNL = true;\n        }\n      }\n    }\n  }\n\n  // Handle EOFNL insertion/removal\n  if (removeEOFNL) {\n    while (!lines[lines.length - 1]) {\n      lines.pop();\n      delimiters.pop();\n    }\n  } else if (addEOFNL) {\n    lines.push('');\n    delimiters.push('\\n');\n  }\n  for (let _k = 0; _k < lines.length - 1; _k++) {\n    lines[_k] = lines[_k] + delimiters[_k];\n  }\n  return lines.join('');\n}\n\n// Wrapper that supports multiple file patches via callbacks.\nexport function applyPatches(uniDiff, options) {\n  if (typeof uniDiff === 'string') {\n    uniDiff = parsePatch(uniDiff);\n  }\n\n  let currentIndex = 0;\n  function processIndex() {\n    let index = uniDiff[currentIndex++];\n    if (!index) {\n      return options.complete();\n    }\n\n    options.loadFile(index, function(err, data) {\n      if (err) {\n        return options.complete(err);\n      }\n\n      let updatedContent = applyPatch(data, index, options);\n      options.patched(index, updatedContent, function(err) {\n        if (err) {\n          return options.complete(err);\n        }\n\n        processIndex();\n      });\n    });\n  }\n  processIndex();\n}\n"]}