feat!: Program range span entire source text (#677)

* feat!: Program range span entire source text

* fix failing tests

Author: Pixel998

packages/espree/lib/espree.js

@@ -181,35 +181,6 @@ export default () => Parser => {
                 program.tokens = extra.tokens;
             }
 
-            /*
-             * Adjust opening and closing position of program to match Esprima.
-             * Acorn always starts programs at range 0 whereas Esprima starts at the
-             * first AST node's start (the only real difference is when there's leading
-             * whitespace or leading comments). Acorn also counts trailing whitespace
-             * as part of the program whereas Esprima only counts up to the last token.
-             */
-            if (program.body.length) {
-                const [firstNode] = program.body;
-
-                if (program.range) {
-                    program.range[0] = firstNode.range[0];
-                }
-                if (program.loc) {
-                    program.loc.start = firstNode.loc.start;
-                }
-                program.start = firstNode.start;
-            }
-            if (extra.lastToken) {
-                if (program.range) {
-                    program.range[1] = extra.lastToken.range[1];
-                }
-                if (program.loc) {
-                    program.loc.end = extra.lastToken.loc.end;
-                }
-                program.end = extra.lastToken.end;
-            }
-
-
             /*
              * https://github.com/eslint/espree/issues/349
              * Ensure that template elements have correct range information.

packages/espree/tests/fixtures/ecma-features/globalReturn/return-identifier.result.js

@@ -6,13 +6,13 @@ export default {
             "column": 0
         },
         "end": {
-            "line": 1,
-            "column": 12
+            "line": 2,
+            "column": 0
         }
     },
     "range": [
         0,
-        12
+        13
     ],
     "body": [
         {

packages/espree/tests/fixtures/ecma-features/globalReturn/return-no-arg.result.js

@@ -6,13 +6,13 @@ export default {
             "column": 0
         },
         "end": {
-            "line": 1,
-            "column": 7
+            "line": 2,
+            "column": 0
         }
     },
     "range": [
         0,
-        7
+        8
     ],
     "body": [
         {

packages/espree/tests/fixtures/ecma-features/globalReturn/return-true.result.js

@@ -6,13 +6,13 @@ export default {
             "column": 0
         },
         "end": {
-            "line": 1,
-            "column": 12
+            "line": 2,
+            "column": 0
         }
     },
     "range": [
         0,
-        12
+        13
     ],
     "body": [
         {

packages/espree/tests/fixtures/ecma-features/jsx/embedded-tags.result.js

@@ -6,13 +6,13 @@ export default {
             "column": 0
         },
         "end": {
-            "line": 1,
-            "column": 61
+            "line": 2,
+            "column": 0
         }
     },
     "range": [
         0,
-        61
+        62
     ],
     "body": [
         {

packages/espree/tests/fixtures/ecma-features/jsx/member-expression.result.js

@@ -6,13 +6,13 @@ export default {
             "column":0
         },
         "end":{
-            "line":1,
-            "column":12
+            "line":2,
+            "column":0
         }
     },
     "range":[
         0,
-        12
+        13
     ],
     "body":[
         {

packages/espree/tests/fixtures/ecma-features/jsx/namespaced-name.result.js

@@ -6,13 +6,13 @@ export default {
             "column":0
         },
         "end":{
-            "line":1,
-            "column":12
+            "line":2,
+            "column":0
         }
     },
     "range":[
         0,
-        12
+        13
     ],
     "body":[
         {

packages/espree/tests/fixtures/ecma-features/jsx/template-strings-in-jsx-complex.result.js

@@ -6,13 +6,13 @@ export default {
             "column": 0
         },
         "end": {
-            "line": 14,
-            "column": 29
+            "line": 15,
+            "column": 0
         }
     },
     "range": [
         0,
-        292
+        293
     ],
     "body": [
         {

packages/espree/tests/fixtures/ecma-features/jsx/template-strings-in-jsx-multi.result.js

@@ -6,13 +6,13 @@ export default {
             "column": 0
         },
         "end": {
-            "line": 1,
-            "column": 19
+            "line": 2,
+            "column": 0
         }
     },
     "range": [
         0,
-        19
+        20
     ],
     "body": [
         {

packages/espree/tests/fixtures/ecma-features/jsx/template-strings-in-jsx.result.js

@@ -6,13 +6,13 @@ export default {
             "column": 0
         },
         "end": {
-            "line": 1,
-            "column": 22
+            "line": 2,
+            "column": 0
         }
     },
     "range": [
         0,
-        22
+        23
     ],
     "body": [
         {