refactor format for small value

clbrge · Apr 20, 2023 · d9c0d20 · d9c0d20
1 parent 7f35916
commit d9c0d20
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Showing 2 changed files with 16 additions and 7 deletions.
diff --git a/src/index.js b/src/index.js
@@ -62,9 +62,13 @@ export class Token {
 
   // return string
   format(number, decimals = this.decimals) {
-    return this.#iformat
-      .format(ethers.formatUnits(number, decimals))
-      .replace('ETH', this.formatSymbol || this.symbol || this.name || '?')
+    const f = Number(ethers.formatUnits(number, decimals))
+    const s = this.formatSymbol || this.symbol || this.name || '?'
+    return f > 0.1
+      ? this.#iformat
+          .format(ethers.formatUnits(number, decimals))
+          .replace('ETH', s)
+      : `${s} ${f}`
   }
 
   // return BigInt

diff --git a/test/erc.spec.js b/test/erc.spec.js
@@ -157,12 +157,17 @@ describe('TokenERC20Amount', function () {
 })
 
 // TODO
-describe('Misc', function () {
-  it('xxx', async function () {
-    console.log(ethers.formatUnits('1000000000000', 18))
-    const amountA = await TokenAmount.from(usdc, 3)
+xdescribe('Misc', function () {
+  it('big', async function () {
+    const amountA = await TokenAmount.from(usdc, 100000)
+    console.log(amountA.toFloat())
+    console.log(amountA.toString())
+  })
+  it('small', async function () {
+    const amountA = await TokenAmount.from(usdc, 0.00001)
 
     console.log(amountA.toFloat())
+    console.log(amountA.toString())
   })
 })