Allow multiple filter flags in Table

src/styled/table.ts

@@ -58,18 +58,20 @@ class Table<T extends object> {
     })
 
     // filter rows
-    if (this.options.filter) {
-      /* eslint-disable-next-line prefer-const */
-      let [header, regex] = this.options.filter!.split('=')
-      const isNot = header[0] === '-'
-      if (isNot) header = header.substr(1)
-      const col = this.findColumnFromHeader(header)
-      if (!col || !regex) throw new Error('Filter flag has an invalid value')
-      rows = rows.filter((d: any) => {
-        const re = new RegExp(regex)
-        const val = d[col!.key]
-        const match = val.match(re)
-        return isNot ? !match : match
+    if (this.options.filter && !_.isEmpty(this.options.filter)) {
+      this.options.filter.forEach(filter => {
+        /* eslint-disable-next-line prefer-const */
+        let [header, regex] = filter.split('=')
+        const isNot = header[0] === '-'
+        if (isNot) header = header.substr(1)
+        const col = this.findColumnFromHeader(header)
+        if (!col || !regex) throw new Error(`Filter flag "${header}" has an invalid value`)
+        rows = rows.filter((d: any) => {
+          const re = new RegExp(regex)
+          const val = d[col!.key]
+          const match = val.match(re)
+          return isNot ? !match : match
+        })
       })
     }
 
@@ -287,7 +289,7 @@ export namespace table {
   export const Flags = {
     columns: F.string({exclusive: ['extended'], description: 'only show provided columns (comma-separated)'}),
     sort: F.string({description: 'property to sort by (prepend \'-\' for descending)'}),
-    filter: F.string({description: 'filter property by partial string matching, ex: name=foo'}),
+    filter: F.string({description: 'filter property by partial string matching, ex: name=foo', multiple: true}),
     csv: F.boolean({exclusive: ['no-truncate'], description: 'output is csv format [alias: --output=csv]'}),
     output: F.string({
       exclusive: ['no-truncate', 'csv'],
@@ -335,7 +337,7 @@ export namespace table {
   export interface Options {
     [key: string]: any;
     sort?: string;
-    filter?: string;
+    filter?: string[];
     columns?: string;
     extended?: boolean;
     'no-truncate'?: boolean;

test/styled/table.test.ts

@@ -233,7 +233,7 @@ describe('styled/table', () => {
     fancy
     .stdout()
     .end('filters by property & value (partial string match)', output => {
-      cli.table(apps, columns, {filter: 'id=123'})
+      cli.table(apps, columns, {filter: ['id=123']})
       expect(output.stdout).to.equal(`ID  Name${ws.padEnd(14)}
 123 supertable-test-1${ws}\n`)
     })
@@ -242,7 +242,7 @@ describe('styled/table', () => {
     .stdout()
     .end('does not truncate', output => {
       const three = {...apps[0], id: '0'.repeat(80), name: 'supertable-test-3'}
-      cli.table(apps.concat(three), columns, {filter: 'id=0', 'no-truncate': true})
+      cli.table(apps.concat(three), columns, {filter: ['id=0'], 'no-truncate': true})
       expect(output.stdout).to.equal(`ID${ws.padEnd(78)} Name${ws.padEnd(14)}
 ${three.id} supertable-test-3${ws}\n`)
     })
@@ -268,7 +268,7 @@ ${three.id} supertable-test-3${ws}\n`)
     fancy
     .stdout()
     .end('ignores header case', output => {
-      cli.table(apps, columns, {columns: 'iD,Name', filter: 'nAMe=supertable-test', sort: '-ID'})
+      cli.table(apps, columns, {columns: 'iD,Name', filter: ['nAMe=supertable-test'], sort: '-ID'})
       expect(output.stdout).to.equal(`ID  Name${ws.padEnd(14)}
 321 supertable-test-2${ws}
 123 supertable-test-1${ws}\n`)