Merge pull request #28 from adrianjost/support-tabs

enable tab compatbility

__tests__/__snapshots__/dedent-tests.js.snap

@@ -27,6 +27,12 @@ exports[`dedent works with blank first line 1`] = `
 That\'s all."
 `;
 
+exports[`dedent works with escaped tabs for indentation 1`] = `
+"first
+	second
+		third"
+`;
+
 exports[`dedent works with interpolation 1`] = `
 "first line
 second
@@ -50,6 +56,12 @@ exports[`dedent works with suppressed newlines 1`] = `
 third"
 `;
 
+exports[`dedent works with tabs for indentation 1`] = `
+"first
+	second
+		third"
+`;
+
 exports[`dedent works without interpolation 1`] = `
 "first
 second

__tests__/dedent-tests.js

@@ -97,4 +97,22 @@ describe("dedent", () => {
       </p>\n
     `).toMatchSnapshot();
   });
+
+  /* eslint-disable indent */
+  it("works with tabs for indentation", () => {
+    expect(
+      dd`
+			first
+				second
+					third
+			`
+    ).toMatchSnapshot();
+  });
+
+  it("works with escaped tabs for indentation", () => {
+    expect(
+      dd("\t\tfirst\n\t\t\tsecond\n\t\t\t\tthird")
+    ).toMatchSnapshot();
+  });
+  /* eslint-enable indent */
 });

dedent.js

@@ -39,7 +39,7 @@ export default function dedent(
 
   if (mindent !== null) {
     const m = mindent; // appease Flow
-    result = lines.map(l => l[0] === " " ? l.slice(m) : l).join("\n");
+    result = lines.map(l => (l[0] === " " || l[0] === "\t") ? l.slice(m) : l).join("\n");
   }
 
   return result

dist/dedent.js

@@ -11,12 +11,11 @@ function dedent(strings) {
   // first, perform interpolation
   var result = "";
   for (var i = 0; i < raw.length; i++) {
-    result += raw[i].
+    result += raw[i]
     // join lines when there is a suppressed newline
-    replace(/\\\n[ \t]*/g, "").
-
+    .replace(/\\\n[ \t]*/g, "")
     // handle escaped backticks
-    replace(/\\`/g, "`");
+    .replace(/\\`/g, "`");
 
     if (i < (arguments.length <= 1 ? 0 : arguments.length - 1)) {
       result += arguments.length <= i + 1 ? undefined : arguments[i + 1];
@@ -43,14 +42,14 @@ function dedent(strings) {
     (function () {
       var m = mindent; // appease Flow
       result = lines.map(function (l) {
-        return l[0] === " " ? l.slice(m) : l;
+        return l[0] === " " || l[0] === "\t" ? l.slice(m) : l;
       }).join("\n");
     })();
   }
 
-  return result.
+  return result
   // dedent eats leading and trailing whitespace too
-  trim().
+  .trim()
   // handle escaped newlines at the end to ensure they don't get stripped too
-  replace(/\\n/g, "\n");
+  .replace(/\\n/g, "\n");
 }