Parse units on numeric literals and keep them in the AST (#5061)

* Code changes

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* test changes

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Frontend changes

Signed-off-by: Nick Cameron <nrc@ncameron.org>

* Refactor asNum

Co-authored-by: Jonathan Tran <jonnytran@gmail.com>

---------

Signed-off-by: Nick Cameron <nrc@ncameron.org>
Co-authored-by: Jonathan Tran <jonnytran@gmail.com>

src/lang/modifyAst.test.ts

@@ -39,7 +39,7 @@ describe('Testing createLiteral', () => {
   it('should create a literal', () => {
     const result = createLiteral(5)
     expect(result.type).toBe('Literal')
-    expect(result.value).toBe(5)
+    expect((result as any).value.value).toBe(5)
   })
 })
 describe('Testing createIdentifier', () => {
@@ -56,7 +56,7 @@ describe('Testing createCallExpression', () => {
     expect(result.callee.type).toBe('Identifier')
     expect(result.callee.name).toBe('myFunc')
     expect(result.arguments[0].type).toBe('Literal')
-    expect((result.arguments[0] as any).value).toBe(5)
+    expect((result.arguments[0] as any).value.value).toBe(5)
   })
 })
 describe('Testing createObjectExpression', () => {
@@ -68,7 +68,7 @@ describe('Testing createObjectExpression', () => {
     expect(result.properties[0].type).toBe('ObjectProperty')
     expect(result.properties[0].key.name).toBe('myProp')
     expect(result.properties[0].value.type).toBe('Literal')
-    expect((result.properties[0].value as any).value).toBe(5)
+    expect((result.properties[0].value as any).value.value).toBe(5)
   })
 })
 describe('Testing createArrayExpression', () => {
@@ -76,7 +76,7 @@ describe('Testing createArrayExpression', () => {
     const result = createArrayExpression([createLiteral(5)])
     expect(result.type).toBe('ArrayExpression')
     expect(result.elements[0].type).toBe('Literal')
-    expect((result.elements[0] as any).value).toBe(5)
+    expect((result.elements[0] as any).value.value).toBe(5)
   })
 })
 describe('Testing createPipeSubstitution', () => {
@@ -93,7 +93,7 @@ describe('Testing createVariableDeclaration', () => {
     expect(result.declaration.id.type).toBe('Identifier')
     expect(result.declaration.id.name).toBe('myVar')
     expect(result.declaration.init.type).toBe('Literal')
-    expect((result.declaration.init as any).value).toBe(5)
+    expect((result.declaration.init as any).value.value).toBe(5)
   })
 })
 describe('Testing createPipeExpression', () => {
@@ -101,7 +101,7 @@ describe('Testing createPipeExpression', () => {
     const result = createPipeExpression([createLiteral(5)])
     expect(result.type).toBe('PipeExpression')
     expect(result.body[0].type).toBe('Literal')
-    expect((result.body[0] as any).value).toBe(5)
+    expect((result.body[0] as any).value.value).toBe(5)
   })
 })