1 files changed, 149 insertions, 0 deletions
diff --git a/node_modules/jest-snapshot/build/dedentLines.js b/node_modules/jest-snapshot/build/dedentLines.js
new file mode 100644
index 0000000..b860c4d
--- /dev/null
+++ b/node_modules/jest-snapshot/build/dedentLines.js
@@ -0,0 +1,149 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', {
+  value: true
+});
+exports.dedentLines = void 0;
+
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+const getIndentationLength = line => {
+  const result = /^( {2})+/.exec(line);
+  return result === null ? 0 : result[0].length;
+};
+
+const dedentLine = line => line.slice(getIndentationLength(line)); // Return true if:
+// "key": "value has multiple lines\n…
+// "key has multiple lines\n…
+
+const hasUnmatchedDoubleQuoteMarks = string => {
+  let n = 0;
+  let i = string.indexOf('"', 0);
+
+  while (i !== -1) {
+    if (i === 0 || string[i - 1] !== '\\') {
+      n += 1;
+    }
+
+    i = string.indexOf('"', i + 1);
+  }
+
+  return n % 2 !== 0;
+};
+
+const isFirstLineOfTag = line => /^( {2})*\</.test(line); // The length of the output array is the index of the next input line.
+// Push dedented lines of start tag onto output and return true;
+// otherwise return false because:
+// * props include a multiline string (or text node, if props have markup)
+// * start tag does not close
+
+const dedentStartTag = (input, output) => {
+  let line = input[output.length];
+  output.push(dedentLine(line));
+
+  if (line.includes('>')) {
+    return true;
+  }
+
+  while (output.length < input.length) {
+    line = input[output.length];
+
+    if (hasUnmatchedDoubleQuoteMarks(line)) {
+      return false; // because props include a multiline string
+    } else if (isFirstLineOfTag(line)) {
+      // Recursion only if props have markup.
+      if (!dedentMarkup(input, output)) {
+        return false;
+      }
+    } else {
+      output.push(dedentLine(line));
+
+      if (line.includes('>')) {
+        return true;
+      }
+    }
+  }
+
+  return false;
+}; // Push dedented lines of markup onto output and return true;
+// otherwise return false because:
+// * props include a multiline string
+// * text has more than one adjacent line
+// * markup does not close
+
+const dedentMarkup = (input, output) => {
+  let line = input[output.length];
+
+  if (!dedentStartTag(input, output)) {
+    return false;
+  }
+
+  if (input[output.length - 1].includes('/>')) {
+    return true;
+  }
+
+  let isText = false;
+  const stack = [];
+  stack.push(getIndentationLength(line));
+
+  while (stack.length > 0 && output.length < input.length) {
+    line = input[output.length];
+
+    if (isFirstLineOfTag(line)) {
+      if (line.includes('</')) {
+        output.push(dedentLine(line));
+        stack.pop();
+      } else {
+        if (!dedentStartTag(input, output)) {
+          return false;
+        }
+
+        if (!input[output.length - 1].includes('/>')) {
+          stack.push(getIndentationLength(line));
+        }
+      }
+
+      isText = false;
+    } else {
+      if (isText) {
+        return false; // because text has more than one adjacent line
+      }
+
+      const indentationLengthOfTag = stack[stack.length - 1];
+      output.push(line.slice(indentationLengthOfTag + 2));
+      isText = true;
+    }
+  }
+
+  return stack.length === 0;
+}; // Return lines unindented by heuristic;
+// otherwise return null because:
+// * props include a multiline string
+// * text has more than one adjacent line
+// * markup does not close
+
+const dedentLines = input => {
+  const output = [];
+
+  while (output.length < input.length) {
+    const line = input[output.length];
+
+    if (hasUnmatchedDoubleQuoteMarks(line)) {
+      return null;
+    } else if (isFirstLineOfTag(line)) {
+      if (!dedentMarkup(input, output)) {
+        return null;
+      }
+    } else {
+      output.push(dedentLine(line));
+    }
+  }
+
+  return output;
+};
+
+exports.dedentLines = dedentLines;