Footprint parameter flattening done

src/footprints/alps.js

@@ -1,11 +1,9 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'S',
         from: undefined,
         to: undefined
     },
-    params: {
-        class: 'S'
-    },
     body: p => `
 
     (module ALPS (layer F.Cu) (tedit 5CF31DEF)
@@ -27,8 +25,8 @@ module.exports = {
         (fp_line (start 7 -7) (end 7 -6) (layer Dwgs.User) (width 0.15))
 
         ${''/* pins */}
-        (pad 1 thru_hole circle (at 2.5 -4.5) (size 2.25 2.25) (drill 1.47) (layers *.Cu *.Mask) ${p.net.from.str})
+        (pad 1 thru_hole circle (at 2.5 -4.5) (size 2.25 2.25) (drill 1.47) (layers *.Cu *.Mask) ${p.from.str})
-        (pad 2 thru_hole circle (at -2.5 -4) (size 2.25 2.25) (drill 1.47) (layers *.Cu *.Mask) ${p.net.to.str})
+        (pad 2 thru_hole circle (at -2.5 -4) (size 2.25 2.25) (drill 1.47) (layers *.Cu *.Mask) ${p.to.str})
     )
 
     `

src/footprints/button.js

@@ -1,12 +1,10 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'B', // for Button
+        side: 'F',
         from: undefined,
         to: undefined
     },
-    params: {
-        class: 'B', // for Button
-        side: 'F'
-    },
     body: p => `
     
     (module E73:SW_TACT_ALPS_SKQGABE010 (layer F.Cu) (tstamp 5BF2CC94)
@@ -20,20 +18,20 @@ module.exports = {
         (fp_text value "" (at 0 0) (layer F.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
         
         ${'' /* outline */}
-        (fp_line (start 2.75 1.25) (end 1.25 2.75) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start 2.75 1.25) (end 1.25 2.75) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start 2.75 -1.25) (end 1.25 -2.75) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start 2.75 -1.25) (end 1.25 -2.75) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start 2.75 -1.25) (end 2.75 1.25) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start 2.75 -1.25) (end 2.75 1.25) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -1.25 2.75) (end 1.25 2.75) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -1.25 2.75) (end 1.25 2.75) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -1.25 -2.75) (end 1.25 -2.75) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -1.25 -2.75) (end 1.25 -2.75) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -2.75 1.25) (end -1.25 2.75) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -2.75 1.25) (end -1.25 2.75) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -2.75 -1.25) (end -1.25 -2.75) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -2.75 -1.25) (end -1.25 -2.75) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -2.75 -1.25) (end -2.75 1.25) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -2.75 -1.25) (end -2.75 1.25) (layer ${p.side}.SilkS) (width 0.15))
         
         ${'' /* pins */}
-        (pad 1 smd rect (at -3.1 -1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.from.str})
+        (pad 1 smd rect (at -3.1 -1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.from.str})
-        (pad 1 smd rect (at 3.1 -1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.from.str})
+        (pad 1 smd rect (at 3.1 -1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.from.str})
-        (pad 2 smd rect (at -3.1 1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.to.str})
+        (pad 2 smd rect (at -3.1 1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.to.str})
-        (pad 2 smd rect (at 3.1 1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.to.str})
+        (pad 2 smd rect (at 3.1 1.85 ${p.rot}) (size 1.8 1.1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.to.str})
     )
     
     `

src/footprints/choc.js

@@ -13,15 +13,13 @@
 // note: hotswap and reverse can be used simultaneously
 
 module.exports = {
-  nets: {
-    from: undefined,
-    to: undefined
-  },
   params: {
-    class: 'S',
+    designator: 'S',
     hotswap: false,
     reverse: false,
-    keycaps: false
+    keycaps: false,
+    from: undefined,
+    to: undefined
   },
   body: p => {
     const standard = `
@@ -57,35 +55,35 @@ module.exports = {
       (fp_line (start -9 8.5) (end -9 -8.5) (layer Dwgs.User) (width 0.15))
       `
     function pins(def_neg, def_pos, def_side) {
-      if(p.param.hotswap) {
+      if(p.hotswap) {
         return `
           ${'' /* holes */}
           (pad "" np_thru_hole circle (at ${def_pos}5 -3.75) (size 3 3) (drill 3) (layers *.Cu *.Mask))
           (pad "" np_thru_hole circle (at 0 -5.95) (size 3 3) (drill 3) (layers *.Cu *.Mask))
       
           ${'' /* net pads */}
-          (pad 1 smd rect (at ${def_neg}3.275 -5.95 ${p.rot}) (size 2.6 2.6) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask)  ${p.net.from.str})
+          (pad 1 smd rect (at ${def_neg}3.275 -5.95 ${p.rot}) (size 2.6 2.6) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask)  ${p.from.str})
-          (pad 2 smd rect (at ${def_pos}8.275 -3.75 ${p.rot}) (size 2.6 2.6) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask)  ${p.net.to.str})
+          (pad 2 smd rect (at ${def_pos}8.275 -3.75 ${p.rot}) (size 2.6 2.6) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask)  ${p.to.str})
         `
       } else {
           return `
             ${''/* pins */}
-            (pad 1 thru_hole circle (at ${def_pos}5 -3.8) (size 2.032 2.032) (drill 1.27) (layers *.Cu *.Mask) ${p.net.from.str})
+            (pad 1 thru_hole circle (at ${def_pos}5 -3.8) (size 2.032 2.032) (drill 1.27) (layers *.Cu *.Mask) ${p.from.str})
-            (pad 2 thru_hole circle (at ${def_pos}0 -5.9) (size 2.032 2.032) (drill 1.27) (layers *.Cu *.Mask) ${p.net.to.str})
+            (pad 2 thru_hole circle (at ${def_pos}0 -5.9) (size 2.032 2.032) (drill 1.27) (layers *.Cu *.Mask) ${p.to.str})
           `
       }
     }
-    if(p.param.reverse) {
+    if(p.reverse) {
       return `
         ${standard}
-        ${p.param.keycaps ? keycap : ''}
+        ${p.keycaps ? keycap : ''}
         ${pins('-', '', 'B')}
         ${pins('', '-', 'F')})
         `
     } else {
       return `
         ${standard}
-        ${p.param.keycaps ? keycap : ''}
+        ${p.keycaps ? keycap : ''}
         ${pins('-', '', 'B')})
         `
     }

src/footprints/chocmini.js

@@ -9,15 +9,13 @@
 //      if true, will add choc sized keycap box around the footprint
 
 module.exports = {
-    nets: {
-      from: undefined,
-      to: undefined
-    },
     params: {
-      class: 'S',
+      designator: 'S',
 		  side: 'F',
 		  reverse: false,
-      keycaps: false
+      keycaps: false,
+      from: undefined,
+      to: undefined
     },
     body: p => {
 	    const standard = `
@@ -71,14 +69,14 @@ module.exports = {
       function pins(def_neg, def_pos) {
         return `
         ${''/* pins */}
-        (pad 1 thru_hole circle (at ${def_neg}4.58 5.1) (size 1.6 1.6) (drill 1.1) (layers *.Cu *.Mask) ${p.net.from.str} (clearance 0.2))
+        (pad 1 thru_hole circle (at ${def_neg}4.58 5.1) (size 1.6 1.6) (drill 1.1) (layers *.Cu *.Mask) ${p.from.str} (clearance 0.2))
-        (pad 2 thru_hole circle (at ${def_pos}2 5.4) (size 1.6 1.6) (drill 1.1) (layers *.Cu *.Mask) ${p.net.to.str} (clearance 0.2))
+        (pad 2 thru_hole circle (at ${def_pos}2 5.4) (size 1.6 1.6) (drill 1.1) (layers *.Cu *.Mask) ${p.to.str} (clearance 0.2))
 			  `
       }
-      if(p.param.reverse){
+      if(p.reverse){
         return `
           ${standard}
-          ${p.param.keycaps ? keycap : ''}
+          ${p.keycaps ? keycap : ''}
           ${pins('-', '')}
           ${pins('', '-')})
 
@@ -86,7 +84,7 @@ module.exports = {
       } else {
         return `
           ${standard}
-          ${p.param.keycaps ? keycap : ''}
+          ${p.keycaps ? keycap : ''}
           ${pins('-', '')})
           `
       }

src/footprints/diode.js

@@ -1,11 +1,9 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'D',
         from: undefined,
         to: undefined
     },
-    params: {
-        class: 'D'
-    },
     body: p => `
   
     (module ComboDiode (layer F.Cu) (tedit 5B24D78E)
@@ -34,14 +32,14 @@ module.exports = {
         (fp_line (start -0.75 0) (end -0.35 0) (layer B.SilkS) (width 0.1))
     
         ${''/* SMD pads on both sides */}
-        (pad 1 smd rect (at -1.65 0 ${p.rot}) (size 0.9 1.2) (layers F.Cu F.Paste F.Mask) ${p.net.to.str})
+        (pad 1 smd rect (at -1.65 0 ${p.rot}) (size 0.9 1.2) (layers F.Cu F.Paste F.Mask) ${p.to.str})
-        (pad 2 smd rect (at 1.65 0 ${p.rot}) (size 0.9 1.2) (layers B.Cu B.Paste B.Mask) ${p.net.from.str})
+        (pad 2 smd rect (at 1.65 0 ${p.rot}) (size 0.9 1.2) (layers B.Cu B.Paste B.Mask) ${p.from.str})
-        (pad 1 smd rect (at -1.65 0 ${p.rot}) (size 0.9 1.2) (layers B.Cu B.Paste B.Mask) ${p.net.to.str})
+        (pad 1 smd rect (at -1.65 0 ${p.rot}) (size 0.9 1.2) (layers B.Cu B.Paste B.Mask) ${p.to.str})
-        (pad 2 smd rect (at 1.65 0 ${p.rot}) (size 0.9 1.2) (layers F.Cu F.Paste F.Mask) ${p.net.from.str})
+        (pad 2 smd rect (at 1.65 0 ${p.rot}) (size 0.9 1.2) (layers F.Cu F.Paste F.Mask) ${p.from.str})
         
         ${''/* THT terminals */}
-        (pad 1 thru_hole rect (at -3.81 0 ${p.rot}) (size 1.778 1.778) (drill 0.9906) (layers *.Cu *.Mask) ${p.net.to.str})
+        (pad 1 thru_hole rect (at -3.81 0 ${p.rot}) (size 1.778 1.778) (drill 0.9906) (layers *.Cu *.Mask) ${p.to.str})
-        (pad 2 thru_hole circle (at 3.81 0 ${p.rot}) (size 1.905 1.905) (drill 0.9906) (layers *.Cu *.Mask) ${p.net.from.str})
+        (pad 2 thru_hole circle (at 3.81 0 ${p.rot}) (size 1.905 1.905) (drill 0.9906) (layers *.Cu *.Mask) ${p.from.str})
     )
   
     `

src/footprints/jstph.js

@@ -1,12 +1,10 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'JST',
+        side: 'F',
         pos: undefined,
         neg: undefined
     },
-    params: {
-        class: 'JST',
-        side: 'F'
-    },
     body: p => `
     
     (module JST_PH_S2B-PH-K_02x2.00mm_Angled (layer F.Cu) (tedit 58D3FE32)
@@ -20,20 +18,20 @@ module.exports = {
         (fp_text reference "${p.ref}" (at 0 0) (layer F.SilkS) ${p.ref_hide} (effects (font (size 1.27 1.27) (thickness 0.15))))
         (fp_text value "" (at 0 0) (layer F.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
 
-        (fp_line (start -2.25 0.25) (end -2.25 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -2.25 0.25) (end -2.25 -1.35) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -2.25 -1.35) (end -2.95 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -2.25 -1.35) (end -2.95 -1.35) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -2.95 -1.35) (end -2.95 6.25) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -2.95 -1.35) (end -2.95 6.25) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -2.95 6.25) (end 2.95 6.25) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -2.95 6.25) (end 2.95 6.25) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start 2.95 6.25) (end 2.95 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start 2.95 6.25) (end 2.95 -1.35) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start 2.95 -1.35) (end 2.25 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start 2.95 -1.35) (end 2.25 -1.35) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start 2.25 -1.35) (end 2.25 0.25) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start 2.25 -1.35) (end 2.25 0.25) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start 2.25 0.25) (end -2.25 0.25) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start 2.25 0.25) (end -2.25 0.25) (layer ${p.side}.SilkS) (width 0.15))
 
-        (fp_line (start -1 1.5) (end -1 2.0) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -1 1.5) (end -1 2.0) (layer ${p.side}.SilkS) (width 0.15))
-        (fp_line (start -1.25 1.75) (end -0.75 1.75) (layer ${p.param.side}.SilkS) (width 0.15))
+        (fp_line (start -1.25 1.75) (end -0.75 1.75) (layer ${p.side}.SilkS) (width 0.15))
 
-        (pad 1 thru_hole rect (at -1 0 ${p.rot}) (size 1.2 1.7) (drill 0.75) (layers *.Cu *.Mask) ${p.net.pos.str})
+        (pad 1 thru_hole rect (at -1 0 ${p.rot}) (size 1.2 1.7) (drill 0.75) (layers *.Cu *.Mask) ${p.pos.str})
-        (pad 2 thru_hole oval (at 1 0 ${p.rot}) (size 1.2 1.7) (drill 0.75) (layers *.Cu *.Mask) ${p.net.neg.str})
+        (pad 2 thru_hole oval (at 1 0 ${p.rot}) (size 1.2 1.7) (drill 0.75) (layers *.Cu *.Mask) ${p.neg.str})
             
     )
     

src/footprints/jumper.js

@@ -1,12 +1,10 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'J',
+        side: 'F',
         from: undefined,
         to: undefined
     },
-    params: {
-      class: 'J',
-	  side: 'F'
-    },
     body: p => `
         (module lib:Jumper (layer F.Cu) (tedit 5E1ADAC2)
         ${p.at /* parametric position */} 
@@ -16,9 +14,9 @@ module.exports = {
         (fp_text value Jumper (at 0 -7.3) (layer F.Fab) (effects (font (size 1 1) (thickness 0.15))))
 
         ${'' /* pins */}
-        (pad 1 smd rect (at -0.50038 0 ${p.rot}) (size 0.635 1.143) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask)
+        (pad 1 smd rect (at -0.50038 0 ${p.rot}) (size 0.635 1.143) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask)
-        (clearance 0.1905) ${p.net.from.str})
+        (clearance 0.1905) ${p.from.str})
-        (pad 2 smd rect (at 0.50038 0 ${p.rot}) (size 0.635 1.143) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask)
+        (pad 2 smd rect (at 0.50038 0 ${p.rot}) (size 0.635 1.143) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask)
-        (clearance 0.1905) ${p.net.to.str}))
+        (clearance 0.1905) ${p.to.str}))
     `
 }

src/footprints/mx.js

@@ -13,15 +13,13 @@
 // note: hotswap and reverse can be used simultaneously
 
 module.exports = {
-  nets: {
-    from: undefined,
-    to: undefined
-  },
   params: {
-      class: 'S',
+    designator: 'S',
     hotswap: false,
     reverse: false,
-      keycaps: false
+    keycaps: false,
+    from: undefined,
+    to: undefined
   },
   body: p => {
     const standard = `
@@ -57,35 +55,35 @@ module.exports = {
       (fp_line (start -9.5 9.5) (end -9.5 -9.5) (layer Dwgs.User) (width 0.15))
       `
     function pins(def_neg, def_pos, def_side) {
-      if(p.param.hotswap) {
+      if(p.hotswap) {
         return `
         ${'' /* holes */}
         (pad "" np_thru_hole circle (at ${def_pos}2.54 -5.08) (size 3 3) (drill 3) (layers *.Cu *.Mask))
         (pad "" np_thru_hole circle (at ${def_neg}3.81 -2.54) (size 3 3) (drill 3) (layers *.Cu *.Mask))
         
         ${'' /* net pads */}
-        (pad 1 smd rect (at ${def_neg}7.085 -2.54 ${p.rot}) (size 2.55 2.5) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask) ${p.net.from.str})
+        (pad 1 smd rect (at ${def_neg}7.085 -2.54 ${p.rot}) (size 2.55 2.5) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask) ${p.from.str})
-        (pad 2 smd rect (at ${def_pos}5.842 -5.08 ${p.rot}) (size 2.55 2.5) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask) ${p.net.to.str})
+        (pad 2 smd rect (at ${def_pos}5.842 -5.08 ${p.rot}) (size 2.55 2.5) (layers ${def_side}.Cu ${def_side}.Paste ${def_side}.Mask) ${p.to.str})
         `
       } else {
           return `
             ${''/* pins */}
-            (pad 1 thru_hole circle (at ${def_pos}2.54 -5.08) (size 2.286 2.286) (drill 1.4986) (layers *.Cu *.Mask) ${p.net.from.str})
+            (pad 1 thru_hole circle (at ${def_pos}2.54 -5.08) (size 2.286 2.286) (drill 1.4986) (layers *.Cu *.Mask) ${p.from.str})
-            (pad 2 thru_hole circle (at ${def_neg}3.81 -2.54) (size 2.286 2.286) (drill 1.4986) (layers *.Cu *.Mask) ${p.net.to.str})
+            (pad 2 thru_hole circle (at ${def_neg}3.81 -2.54) (size 2.286 2.286) (drill 1.4986) (layers *.Cu *.Mask) ${p.to.str})
           `
       }
     }
-    if(p.param.reverse){
+    if(p.reverse){
       return `
         ${standard}
-        ${p.param.keycaps ? keycap : ''}
+        ${p.keycaps ? keycap : ''}
         ${pins('-', '', 'B')}
         ${pins('', '-', 'F')})
         `
     } else {
       return `
         ${standard}
-        ${p.param.keycaps ? keycap : ''}
+        ${p.keycaps ? keycap : ''}
         ${pins('-', '', 'B')})
         `
     }

src/footprints/oled.js

@@ -1,13 +1,11 @@
 module.exports = {
-    nets: {
-      SDA: undefined,
-      SCL: undefined,
-      VCC: 'VCC',
-      GND: 'GND'
-    },
     params: {
-      class: 'OLED',
+        designator: 'OLED',
-	    side: 'F'
+        side: 'F',
+        VCC: {type: 'net', value: 'VCC'},
+        GND: {type: 'net', value: 'GND'},
+        SDA: undefined,
+        SCL: undefined
     },
     body: p => `
         (module lib:OLED_headers (layer F.Cu) (tedit 5E1ADAC2)
@@ -19,13 +17,13 @@ module.exports = {
 
         ${'' /* pins */}
         (pad 4 thru_hole oval (at 1.6 2.18 ${p.rot+270}) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
-        ${p.net.SDA.str})
+        ${p.SDA.str})
         (pad 3 thru_hole oval (at 1.6 4.72 ${p.rot+270}) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
-        ${p.net.SCL.str})
+        ${p.SCL.str})
         (pad 2 thru_hole oval (at 1.6 7.26 ${p.rot+270}) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
-        ${p.net.VCC.str})
+        ${p.VCC.str})
         (pad 1 thru_hole rect (at 1.6 9.8 ${p.rot+270}) (size 1.7 1.7) (drill 1) (layers *.Cu *.Mask)
-        ${p.net.GND.str})
+        ${p.GND.str})
         )
         `
 }

src/footprints/omron.js

@@ -1,11 +1,9 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'S',
         from: undefined,
         to: undefined
     },
-    params: {
-        class: 'S'
-    },
     body: p => `
     
     (module OMRON_B3F-4055 (layer F.Cu) (tstamp 5BF2CC94)
@@ -26,10 +24,10 @@ module.exports = {
         (fp_line (start -6 6) (end -6 -6) (layer Dwgs.User) (width 0.15))
 
         ${'' /* pins */}
-        (pad 1 np_thru_hole circle (at 6.25 -2.5) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.net.from.str})
+        (pad 1 np_thru_hole circle (at 6.25 -2.5) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.from.str})
-        (pad 2 np_thru_hole circle (at -6.25 -2.5) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.net.from.str})
+        (pad 2 np_thru_hole circle (at -6.25 -2.5) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.from.str})
-        (pad 3 np_thru_hole circle (at 6.25 2.5) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.net.to.str})
+        (pad 3 np_thru_hole circle (at 6.25 2.5) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.to.str})
-        (pad 4 np_thru_hole circle (at -6.25 2.5 ) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.net.to.str})
+        (pad 4 np_thru_hole circle (at -6.25 2.5 ) (size 1.2 1.2) (drill 1.2) (layers *.Cu *.Mask) ${p.to.str})
     )
     
     `

src/footprints/pad.js

@@ -1,16 +1,14 @@
 module.exports = {
-    nets: {
-        net: undefined
-    },
     params: {
-        class: 'PAD',
+        designator: 'PAD',
         width: 1,
         height: 1,
         front: true,
         back: true,
         text: '',
         align: 'left',
-        mirrored: '=mirrored'
+        mirrored: {type: 'boolean', value: '{{mirrored}}'},
+        net: undefined
     },
     body: p => {
 
@@ -18,21 +16,21 @@ module.exports = {
             if (!toggle) return ''
             let x = 0, y = 0
             const mirror = side == 'B' ? '(justify mirror)' : ''
-            const plus = (p.param.text.length + 1) * 0.5
+            const plus = (p.text.length + 1) * 0.5
-            let align = p.param.align
+            let align = p.align
-            if (p.param.mirrored === true) {
+            if (p.mirrored === true) {
                 if (align == 'left') align = 'right'
                 else if (align == 'right') align = 'left'
             }
-            if (align == 'left') x -= p.param.width / 2 + plus
+            if (align == 'left') x -= p.width / 2 + plus
-            if (align == 'right') x += p.param.width / 2 + plus
+            if (align == 'right') x += p.width / 2 + plus
-            if (align == 'up') y += p.param.height / 2 + plus
+            if (align == 'up') y += p.height / 2 + plus
-            if (align == 'down') y -= p.param.height / 2 + plus
+            if (align == 'down') y -= p.height / 2 + plus
             let text = ''
-            if (p.param.text.length) {
+            if (p.text.length) {
-                text = `(fp_text user ${p.param.text} (at ${x} ${y} ${p.rot}) (layer ${side}.SilkS) (effects (font (size 0.8 0.8) (thickness 0.15)) ${mirror}))`
+                text = `(fp_text user ${p.text} (at ${x} ${y} ${p.rot}) (layer ${side}.SilkS) (effects (font (size 0.8 0.8) (thickness 0.15)) ${mirror}))`
             }
-            return `(pad 1 smd rect (at 0 0 ${p.rot}) (size ${p.param.width} ${p.param.height}) (layers ${side}.Cu ${side}.Paste ${side}.Mask) ${p.net.net.str})\n${text}`
+            return `(pad 1 smd rect (at 0 0 ${p.rot}) (size ${p.width} ${p.height}) (layers ${side}.Cu ${side}.Paste ${side}.Mask) ${p.net.str})\n${text}`
         }
 
         return `
@@ -46,8 +44,8 @@ module.exports = {
             (fp_text value "" (at 0 0) (layer F.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
             
             ${''/* SMD pads */}
-            ${layout(p.param.front, 'F')}
+            ${layout(p.front, 'F')}
-            ${layout(p.param.back, 'B')}
+            ${layout(p.back, 'B')}
             
         )
     

src/footprints/promicro.js

@@ -5,33 +5,31 @@
 //    if up, power led will face away from pcb
 
 module.exports = {
-  nets: {
-    RAW: 'RAW',
-    GND: 'GND',
-    RST: 'RST',
-    VCC: 'VCC',
-    P21: 'P21',
-    P20: 'P20',
-    P19: 'P19',
-    P18: 'P18',
-    P15: 'P15',
-    P14: 'P14',
-    P16: 'P16',
-    P10: 'P10',
-    P1: 'P1',
-    P0: 'P0',
-    P2: 'P2',
-    P3: 'P3',
-    P4: 'P4',
-    P5: 'P5',
-    P6: 'P6',
-    P7: 'P7',
-    P8: 'P8',
-    P9: 'P9',
-  },
   params: {
-    class: 'MCU',
+    designator: 'MCU',
-    orientation: 'down'
+    orientation: 'down',
+    RAW: {type: 'net', value: 'RAW'},
+    GND: {type: 'net', value: 'GND'},
+    RST: {type: 'net', value: 'RST'},
+    VCC: {type: 'net', value: 'VCC'},
+    P21: {type: 'net', value: 'P21'},
+    P20: {type: 'net', value: 'P20'},
+    P19: {type: 'net', value: 'P19'},
+    P18: {type: 'net', value: 'P18'},
+    P15: {type: 'net', value: 'P15'},
+    P14: {type: 'net', value: 'P14'},
+    P16: {type: 'net', value: 'P16'},
+    P10: {type: 'net', value: 'P10'},
+    P1: {type: 'net', value: 'P1'},
+    P0: {type: 'net', value: 'P0'},
+    P2: {type: 'net', value: 'P2'},
+    P3: {type: 'net', value: 'P3'},
+    P4: {type: 'net', value: 'P4'},
+    P5: {type: 'net', value: 'P5'},
+    P6: {type: 'net', value: 'P6'},
+    P7: {type: 'net', value: 'P7'},
+    P8: {type: 'net', value: 'P8'},
+    P9: {type: 'net', value: 'P9'}
   },
   body: p => {
     const standard = `
@@ -89,34 +87,34 @@ module.exports = {
         (fp_text user P09 (at 13.97 ${def_neg}4.8 ${p.rot + 90}) (layer F.SilkS) (effects (font (size 0.8 0.8) (thickness 0.15))))
       
         ${''/* and now the actual pins */}
-        (pad 1 thru_hole rect (at -13.97 ${def_pos}7.62 ${p.rot}) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.RAW.str})
+        (pad 1 thru_hole rect (at -13.97 ${def_pos}7.62 ${p.rot}) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.RAW.str})
-        (pad 2 thru_hole circle (at -11.43 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.GND.str})
+        (pad 2 thru_hole circle (at -11.43 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.GND.str})
-        (pad 3 thru_hole circle (at -8.89 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.RST.str})
+        (pad 3 thru_hole circle (at -8.89 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.RST.str})
-        (pad 4 thru_hole circle (at -6.35 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.VCC.str})
+        (pad 4 thru_hole circle (at -6.35 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.VCC.str})
-        (pad 5 thru_hole circle (at -3.81 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P21.str})
+        (pad 5 thru_hole circle (at -3.81 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P21.str})
-        (pad 6 thru_hole circle (at -1.27 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P20.str})
+        (pad 6 thru_hole circle (at -1.27 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P20.str})
-        (pad 7 thru_hole circle (at 1.27 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P19.str})
+        (pad 7 thru_hole circle (at 1.27 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P19.str})
-        (pad 8 thru_hole circle (at 3.81 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P18.str})
+        (pad 8 thru_hole circle (at 3.81 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P18.str})
-        (pad 9 thru_hole circle (at 6.35 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P15.str})
+        (pad 9 thru_hole circle (at 6.35 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P15.str})
-        (pad 10 thru_hole circle (at 8.89 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P14.str})
+        (pad 10 thru_hole circle (at 8.89 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P14.str})
-        (pad 11 thru_hole circle (at 11.43 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P16.str})
+        (pad 11 thru_hole circle (at 11.43 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P16.str})
-        (pad 12 thru_hole circle (at 13.97 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P10.str})
+        (pad 12 thru_hole circle (at 13.97 ${def_pos}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P10.str})
         
-        (pad 13 thru_hole circle (at -13.97 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P1.str})
+        (pad 13 thru_hole circle (at -13.97 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P1.str})
-        (pad 14 thru_hole circle (at -11.43 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P0.str})
+        (pad 14 thru_hole circle (at -11.43 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P0.str})
-        (pad 15 thru_hole circle (at -8.89 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.GND.str})
+        (pad 15 thru_hole circle (at -8.89 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.GND.str})
-        (pad 16 thru_hole circle (at -6.35 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.GND.str})
+        (pad 16 thru_hole circle (at -6.35 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.GND.str})
-        (pad 17 thru_hole circle (at -3.81 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P2.str})
+        (pad 17 thru_hole circle (at -3.81 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P2.str})
-        (pad 18 thru_hole circle (at -1.27 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P3.str})
+        (pad 18 thru_hole circle (at -1.27 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P3.str})
-        (pad 19 thru_hole circle (at 1.27 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P4.str})
+        (pad 19 thru_hole circle (at 1.27 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P4.str})
-        (pad 20 thru_hole circle (at 3.81 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P5.str})
+        (pad 20 thru_hole circle (at 3.81 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P5.str})
-        (pad 21 thru_hole circle (at 6.35 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P6.str})
+        (pad 21 thru_hole circle (at 6.35 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P6.str})
-        (pad 22 thru_hole circle (at 8.89 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P7.str})
+        (pad 22 thru_hole circle (at 8.89 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P7.str})
-        (pad 23 thru_hole circle (at 11.43 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P8.str})
+        (pad 23 thru_hole circle (at 11.43 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P8.str})
-        (pad 24 thru_hole circle (at 13.97 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.net.P9.str})
+        (pad 24 thru_hole circle (at 13.97 ${def_neg}7.62 0) (size 1.7526 1.7526) (drill 1.0922) (layers *.Cu *.SilkS *.Mask) ${p.P9.str})
       `
     }
-    if(p.param.orientation == 'down') {
+    if(p.orientation == 'down') {
       return `
         ${standard}
         ${pins('-', '')})

src/footprints/rgb.js

@@ -1,13 +1,11 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'LED',
+        side: 'F',
         din: undefined,
         dout: undefined,
-        VCC: 'VCC',
+        VCC: {type: 'net', value: 'VCC'},
-        GND: 'GND'
+        GND: {type: 'net', value: 'GND'}
-    },
-    params: {
-        class: 'LED',
-        side: 'F'
     },
     body: p => `
     
@@ -19,27 +17,27 @@ module.exports = {
             (fp_text reference "${p.ref}" (at 0 0) (layer F.SilkS) ${p.ref_hide} (effects (font (size 1.27 1.27) (thickness 0.15))))
             (fp_text value "" (at 0 0) (layer F.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
 
-            (fp_line (start -1.75 -1.75) (end -1.75 1.75) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start -1.75 -1.75) (end -1.75 1.75) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start -1.75 1.75) (end 1.75 1.75) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start -1.75 1.75) (end 1.75 1.75) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start 1.75 1.75) (end 1.75 -1.75) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 1.75 1.75) (end 1.75 -1.75) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start 1.75 -1.75) (end -1.75 -1.75) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 1.75 -1.75) (end -1.75 -1.75) (layer ${p.side}.SilkS) (width 0.15))
 
-            (fp_line (start -2.5 -2.5) (end -2.5 2.5) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start -2.5 -2.5) (end -2.5 2.5) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start -2.5 2.5) (end 2.5 2.5) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start -2.5 2.5) (end 2.5 2.5) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start 2.5 2.5) (end 2.5 -2.5) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 2.5 2.5) (end 2.5 -2.5) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start 2.5 -2.5) (end -2.5 -2.5) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 2.5 -2.5) (end -2.5 -2.5) (layer ${p.side}.SilkS) (width 0.15))
 
-            (fp_poly (pts (xy 4 2.2) (xy 4 0.375) (xy 5 1.2875)) (layer ${p.param.side}.SilkS) (width 0.1))
+            (fp_poly (pts (xy 4 2.2) (xy 4 0.375) (xy 5 1.2875)) (layer ${p.side}.SilkS) (width 0.1))
 
-            (pad 1 smd rect (at -2.2 -0.875 ${p.rot}) (size 2.6 1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.VCC.str})
+            (pad 1 smd rect (at -2.2 -0.875 ${p.rot}) (size 2.6 1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.VCC.str})
-            (pad 2 smd rect (at -2.2 0.875 ${p.rot}) (size 2.6 1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.dout.str})
+            (pad 2 smd rect (at -2.2 0.875 ${p.rot}) (size 2.6 1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.dout.str})
-            (pad 3 smd rect (at 2.2 0.875 ${p.rot}) (size 2.6 1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.GND.str})
+            (pad 3 smd rect (at 2.2 0.875 ${p.rot}) (size 2.6 1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.GND.str})
-            (pad 4 smd rect (at 2.2 -0.875 ${p.rot}) (size 2.6 1) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.din.str})
+            (pad 4 smd rect (at 2.2 -0.875 ${p.rot}) (size 2.6 1) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.din.str})
 
-            (pad 11 smd rect (at -2.5 -1.6 ${p.rot}) (size 2 1.2) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.VCC.str})
+            (pad 11 smd rect (at -2.5 -1.6 ${p.rot}) (size 2 1.2) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.VCC.str})
-            (pad 22 smd rect (at -2.5 1.6 ${p.rot}) (size 2 1.2) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.dout.str})
+            (pad 22 smd rect (at -2.5 1.6 ${p.rot}) (size 2 1.2) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.dout.str})
-            (pad 33 smd rect (at 2.5 1.6 ${p.rot}) (size 2 1.2) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.GND.str})
+            (pad 33 smd rect (at 2.5 1.6 ${p.rot}) (size 2 1.2) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.GND.str})
-            (pad 44 smd rect (at 2.5 -1.6 ${p.rot}) (size 2 1.2) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.din.str})
+            (pad 44 smd rect (at 2.5 -1.6 ${p.rot}) (size 2 1.2) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.din.str})
             
         )
     

src/footprints/rotary.js

@@ -8,16 +8,14 @@
 //    C: corresponds to pin 3 (for rotary)
 
 module.exports = {
-    nets: {
+    params: {
+        designator: 'ROT',
         from: undefined,
         to: undefined,
         A: undefined,
         B: undefined,
         C: undefined
     },
-    params: {
-        class: 'ROT'
-    },
     body: p => `
         (module rotary_encoder (layer F.Cu) (tedit 603326DE)
 
@@ -58,11 +56,11 @@ module.exports = {
             (fp_circle (center -0.12 -0.04) (end 2.88 -0.04) (layer F.Fab) (width 0.12))
 
             ${''/* pin names */}
-            (pad A thru_hole rect (at -7.62 -2.54 ${p.rot}) (size 2 2) (drill 1) (layers *.Cu *.Mask) ${p.net.A.str})
+            (pad A thru_hole rect (at -7.62 -2.54 ${p.rot}) (size 2 2) (drill 1) (layers *.Cu *.Mask) ${p.A.str})
-            (pad C thru_hole circle (at -7.62 -0.04) (size 2 2) (drill 1) (layers *.Cu *.Mask) ${p.net.C.str})
+            (pad C thru_hole circle (at -7.62 -0.04) (size 2 2) (drill 1) (layers *.Cu *.Mask) ${p.C.str})
-            (pad B thru_hole circle (at -7.62 2.46) (size 2 2) (drill 1) (layers *.Cu *.Mask) ${p.net.B.str})
+            (pad B thru_hole circle (at -7.62 2.46) (size 2 2) (drill 1) (layers *.Cu *.Mask) ${p.B.str})
-            (pad 1 thru_hole circle (at 6.88 -2.54) (size 1.5 1.5) (drill 1) (layers *.Cu *.Mask) ${p.net.from.str})
+            (pad 1 thru_hole circle (at 6.88 -2.54) (size 1.5 1.5) (drill 1) (layers *.Cu *.Mask) ${p.from.str})
-            (pad 2 thru_hole circle (at 6.88 2.46) (size 1.5 1.5) (drill 1) (layers *.Cu *.Mask) ${p.net.to.str})
+            (pad 2 thru_hole circle (at 6.88 2.46) (size 1.5 1.5) (drill 1) (layers *.Cu *.Mask) ${p.to.str})
 
             ${''/* Legs */}
             (pad "" thru_hole rect (at -0.12 -5.64 ${p.rot}) (size 3.2 2) (drill oval 2.8 1.5) (layers *.Cu *.Mask))

src/footprints/scrollwheel.js

@@ -21,7 +21,9 @@
 
 
 module.exports = {
-    nets: {
+    params: {
+      designator: 'S',
+		  reverse: false,
       from: undefined,
       to: undefined,
       A: undefined,
@@ -29,10 +31,6 @@ module.exports = {
       C: undefined,
       D: undefined
     },
-    params: {
-      class: 'S',
-		  reverse: false
-    },
     body: p => {
       const standard = `
         (module RollerEncoder_Panasonic_EVQWGD001 (layer F.Cu) (tedit 6040A10C)
@@ -59,18 +57,18 @@ module.exports = {
           (fp_arc (start ${def_pos}9.5 -6.3) (end ${def_pos}9.8 -6.3) (angle ${def_neg}90) (layer Edge.Cuts) (width 0.15))
 
           ${'' /* pins */}
-          (pad S1 thru_hole circle (at ${def_neg}6.85 -6.2 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.net.from.str})
+          (pad S1 thru_hole circle (at ${def_neg}6.85 -6.2 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.from.str})
-          (pad S2 thru_hole circle (at ${def_neg}5 -6.2 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.net.to.str})
+          (pad S2 thru_hole circle (at ${def_neg}5 -6.2 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.to.str})
-          (pad A thru_hole circle (at ${def_neg}5.625 -3.81 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.net.A.str})
+          (pad A thru_hole circle (at ${def_neg}5.625 -3.81 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.A.str})
-          (pad B thru_hole circle (at ${def_neg}5.625 -1.27 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.net.B.str})
+          (pad B thru_hole circle (at ${def_neg}5.625 -1.27 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.B.str})
-          (pad C thru_hole circle (at ${def_neg}5.625 1.27 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.net.C.str})
+          (pad C thru_hole circle (at ${def_neg}5.625 1.27 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.C.str})
-          (pad D thru_hole circle (at ${def_neg}5.625 3.81 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.net.D.str})
+          (pad D thru_hole circle (at ${def_neg}5.625 3.81 ${p.rot}) (size 1.6 1.6) (drill 0.9) (layers *.Cu *.Mask) ${p.D.str})
 
           ${'' /* stabilizer */}
           (pad "" np_thru_hole circle (at ${def_neg}5.625 6.3 ${p.rot}) (size 1.5 1.5) (drill 1.5) (layers *.Cu *.Mask))
         `
     }
-    if(p.param.reverse) {
+    if(p.reverse) {
       return `
         ${standard}
         ${pins('-', '')}

src/footprints/slider.js

@@ -1,16 +1,14 @@
 module.exports = {
-    nets: {
+    params: {
+        designator: 'T', // for Toggle
+        side: 'F',
         from: undefined,
         to: undefined
     },
-    params: {
-        class: 'T', // for Toggle
-        side: 'F'
-    },
     body: p => {
 
-        const left = p.param.side == 'F' ? '-' : ''
+        const left = p.side == 'F' ? '-' : ''
-        const right = p.param.side == 'F' ? '' : '-'
+        const right = p.side == 'F' ? '' : '-'
 
         return `
         
@@ -23,12 +21,12 @@ module.exports = {
             (fp_text value "" (at 0 0) (layer F.SilkS) hide (effects (font (size 1.27 1.27) (thickness 0.15))))
             
             ${'' /* outline */}
-            (fp_line (start 1.95 -1.35) (end -1.95 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 1.95 -1.35) (end -1.95 -1.35) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start 0 -1.35) (end -3.3 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 0 -1.35) (end -3.3 -1.35) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start -3.3 -1.35) (end -3.3 1.5) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start -3.3 -1.35) (end -3.3 1.5) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start -3.3 1.5) (end 3.3 1.5) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start -3.3 1.5) (end 3.3 1.5) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start 3.3 1.5) (end 3.3 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 3.3 1.5) (end 3.3 -1.35) (layer ${p.side}.SilkS) (width 0.15))
-            (fp_line (start 0 -1.35) (end 3.3 -1.35) (layer ${p.param.side}.SilkS) (width 0.15))
+            (fp_line (start 0 -1.35) (end 3.3 -1.35) (layer ${p.side}.SilkS) (width 0.15))
             
             ${'' /* extra indicator for the slider */}
             (fp_line (start -1.95 -3.85) (end 1.95 -3.85) (layer Dwgs.User) (width 0.15))
@@ -40,15 +38,15 @@ module.exports = {
             (pad "" np_thru_hole circle (at -1.5 0) (size 1 1) (drill 0.9) (layers *.Cu *.Mask))
 
             ${'' /* pins */}
-            (pad 1 smd rect (at ${right}2.25 2.075 ${p.rot}) (size 0.9 1.25) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.from.str})
+            (pad 1 smd rect (at ${right}2.25 2.075 ${p.rot}) (size 0.9 1.25) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.from.str})
-            (pad 2 smd rect (at ${left}0.75 2.075 ${p.rot}) (size 0.9 1.25) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask) ${p.net.to.str})
+            (pad 2 smd rect (at ${left}0.75 2.075 ${p.rot}) (size 0.9 1.25) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask) ${p.to.str})
-            (pad 3 smd rect (at ${left}2.25 2.075 ${p.rot}) (size 0.9 1.25) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask))
+            (pad 3 smd rect (at ${left}2.25 2.075 ${p.rot}) (size 0.9 1.25) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask))
             
             ${'' /* side mounts */}
-            (pad "" smd rect (at 3.7 -1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask))
+            (pad "" smd rect (at 3.7 -1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask))
-            (pad "" smd rect (at 3.7 1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask))
+            (pad "" smd rect (at 3.7 1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask))
-            (pad "" smd rect (at -3.7 1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask))
+            (pad "" smd rect (at -3.7 1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask))
-            (pad "" smd rect (at -3.7 -1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.param.side}.Cu ${p.param.side}.Paste ${p.param.side}.Mask))
+            (pad "" smd rect (at -3.7 -1.1 ${p.rot}) (size 0.9 0.9) (layers ${p.side}.Cu ${p.side}.Paste ${p.side}.Mask))
         )
         
         `

src/footprints/trrs.js

@@ -34,17 +34,15 @@
 //      pins 1 and 2 must be identical if symmetric is true, as they will overlap
 
 module.exports = {
-  nets: {
+  params: {
+    designator: 'TRRS',
+    reverse: false,
+    symmetric: false,
     A: undefined,
     B: undefined,
     C: undefined,
     D: undefined
   },
-  params: {
-    class: 'TRRS',
-    reverse: false,
-    symmetric: false
-  },
   body: p => {
     const standard = `
       (module TRRS-PJ-320A-dual (layer F.Cu) (tedit 5970F8E5)
@@ -73,20 +71,20 @@ module.exports = {
     }
     function pins(def_neg, def_pos) {
       return `
-        (pad 1 thru_hole oval (at ${def_neg} 11.3 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.net.A.str})
+        (pad 1 thru_hole oval (at ${def_neg} 11.3 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.A.str})
-        (pad 2 thru_hole oval (at ${def_pos} 10.2 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.net.B.str})
+        (pad 2 thru_hole oval (at ${def_pos} 10.2 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.B.str})
-        (pad 3 thru_hole oval (at ${def_pos} 6.2 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.net.C.str})
+        (pad 3 thru_hole oval (at ${def_pos} 6.2 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.C.str})
-        (pad 4 thru_hole oval (at ${def_pos} 3.2 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.net.D.str})
+        (pad 4 thru_hole oval (at ${def_pos} 3.2 ${p.rot}) (size 1.6 2.2) (drill oval 0.9 1.5) (layers *.Cu *.Mask) ${p.D.str})
       `
     }
-    if(p.param.reverse & p.param.symmetric) {
+    if(p.reverse & p.symmetric) {
       return `
         ${standard}
         ${stabilizers('-2.3')}
         ${pins('0', '-4.6')}
         ${pins('-4.6', '0')})
       `
-    } else if(p.param.reverse) {
+    } else if(p.reverse) {
         return `
           ${standard}
           ${stabilizers('-2.3')}

src/footprints/via.js

@@ -3,7 +3,7 @@
 //		net: the net this via should be connected to
 
 module.exports = {
-    nets: {
+    params: {
       net: undefined
     },
     body: p => `
@@ -14,7 +14,7 @@ module.exports = {
       (fp_text value VIA-0.6mm (at 0 -1.4) (layer F.Fab) hide (effects (font (size 1 1) (thickness 0.15))))
 
       ${'' /* via */}
-      (pad 1 thru_hole circle (at 0 0) (size 0.6 0.6) (drill 0.3) (layers *.Cu) (zone_connect 2) ${p.net.net.str})
+      (pad 1 thru_hole circle (at 0 0) (size 0.6 0.6) (drill 0.3) (layers *.Cu) (zone_connect 2) ${p.net.str})
       )
     `
 }

src/pcbs.js

@@ -1,4 +1,5 @@
 const m = require('makerjs')
+const u = require('./utils')
 const a = require('./assert')
 const prep = require('./prepare')
 const anchor = require('./anchor').parse
@@ -162,17 +163,41 @@ const footprint = exports._footprint = (points, net_indexer, component_indexer,
 
     // parsing parameters
     for (const [param_name, param_def] of Object.entries(fp.params)) {
-        let value = prep.extend(param_def.value, params[param_name])
 
-        // templating support
+        // expand param definition shorthand
+        let parsed_def = param_def
+        let def_type = a.type(param_def)(units)
+        if (def_type == 'string') {
+            parsed_def = {type: 'string', value: param_def}
+        } else if (def_type == 'number') {
+            parsed_def = {type: 'number', value: a.mathnum(param_def)(units)}
+        } else if (def_type == 'boolean') {
+            parsed_def = {type: 'boolean', value: param_def}
+        } else if (def_type == 'undefined') {
+            parsed_def = {type: 'net', value: undefined}
+        }
+
+        // combine default value with potential user override
+        let value = prep.extend(parsed_def.value, params[param_name])
+        let type = parsed_def.type
+        
+        // templating support, with conversion back to raw datatypes
+        const converters = {
+            string: v => v,
+            number: v => a.sane(v, `${name}.params.${param_name}`, 'number')(units),
+            boolean: v => v === 'true',
+            net: v => v,
+            anchor: v => v
+        }
         if (a.type(value)() == 'string') {
             value = u.template(value, point.meta)
+            value = converters[type](value)
         }
 
         // type-specific processing
-        if (['string', 'number', 'boolean'].includes(param_def.type)) {
+        if (['string', 'number', 'boolean'].includes(type)) {
-            parsed_params[param_name] = a.sane(value, `${name}.params.${param_name}`, param_def.type)(units)
+            parsed_params[param_name] = value
-        } else if (param_def.type == 'net') {
+        } else if (type == 'net') {
             const net = a.sane(value, `${name}.params.${param_name}`, 'string')(units)
             const index = net_indexer(net)
             parsed_params[param_name] = {
@@ -180,7 +205,7 @@ const footprint = exports._footprint = (points, net_indexer, component_indexer,
                 index: index,
                 str: `(net ${index} "${net}")`
             }
-        } else if (param_def.type == 'anchor') {
+        } else if (type == 'anchor') {
             let parsed_anchor = anchor(value || {}, `${name}.params.${param_name}`, points, point)(units)
             parsed_anchor.y = -parsed_anchor.y // kicad mirror, as per usual
             parsed_params[param_name] = parsed_anchor
@@ -188,7 +213,7 @@ const footprint = exports._footprint = (points, net_indexer, component_indexer,
     }
 
     // reference
-    const component_ref = parsed_params.ref = component_indexer(parsed_params.param.class || '_')
+    const component_ref = parsed_params.ref = component_indexer(parsed_params.designator || '_')
     parsed_params.ref_hide = extra.references ? '' : 'hide'
 
     // footprint positioning

test/fixtures/bundle/footprints/injected.js

@@ -1,6 +1,6 @@
 module.exports = {
   params: {
-      class: 'I'
+      designator: 'I'
   },
   body: p => `
     (module injected_test_footprint (layer F.Cu) (tedit 5E1ADAC2)

test/footprints/button.yaml

@@ -3,15 +3,14 @@ pcbs.pcb.footprints:
 
   # front
   - what: button
-    nets:
+    params:
       from: from
       to: to
 
   # back
   - what: button
-    nets:
+    params:
       from: from
       to: to
-    params:
       side: B
     adjust.shift: [50, 0]

test/footprints/choc.yaml

@@ -3,43 +3,39 @@ pcbs.pcb.footprints:
   
   # base
   - what: choc
-    nets:
+    params:
       from: from
       to: to
   
   # keycap visualization
   - what: choc
-    nets:
+    params:
       from: from
       to: to
-    params:
       keycaps: true
     adjust.shift: [50, 0]
 
   # reverse
   - what: choc
-    nets:
+    params:
       from: from
       to: to
-    params:
       reverse: true
     adjust.shift: [100, 0]
 
   # hotswap
   - what: choc
-    nets:
+    params:
       from: from
       to: to
-    params:
       hotswap: true
     adjust.shift: [150, 0]
 
   # both reverse and hotswap
   - what: choc
-    nets:
+    params:
       from: from
       to: to
-    params:
       reverse: true
       hotswap: true
     adjust.shift: [200, 0]

test/footprints/chocmini.yaml

@@ -3,24 +3,22 @@ pcbs.pcb.footprints:
   
   # base
   - what: chocmini
-    nets:
+    params:
       from: from
       to: to
   
   # keycap visualization
   - what: chocmini
-    nets:
+    params:
       from: from
       to: to
-    params:
       keycaps: true
     adjust.shift: [50, 0]
 
   # reverse
   - what: chocmini
-    nets:
+    params:
       from: from
       to: to
-    params:
       reverse: true
     adjust.shift: [100, 0]

test/footprints/diode.yaml

@@ -1,6 +1,6 @@
 points.zones.matrix:
 pcbs.pcb.footprints:
   - what: diode
-    nets:
+    params:
       from: from
       to: to

test/footprints/mx.yaml

@@ -3,43 +3,39 @@ pcbs.pcb.footprints:
   
   # base
   - what: mx
-    nets:
+    params:
       from: from
       to: to
   
   # keycap visualization
   - what: mx
-    nets:
+    params:
       from: from
       to: to
-    params:
       keycaps: true
     adjust.shift: [50, 0]
 
   # reverse
   - what: mx
-    nets:
+    params:
       from: from
       to: to
-    params:
       reverse: true
     adjust.shift: [100, 0]
 
   # hotswap
   - what: mx
-    nets:
+    params:
       from: from
       to: to
-    params:
       hotswap: true
     adjust.shift: [150, 0]
 
   # both reverse and hotswap
   - what: mx
-    nets:
+    params:
       from: from
       to: to
-    params:
       reverse: true
       hotswap: true
     adjust.shift: [200, 0]

test/footprints/pad.yaml

@@ -2,29 +2,26 @@ points.zones.matrix:
 pcbs.pcb.footprints:
 
   - what: pad
-    nets:
+    params:
       net: net
 
   - what: pad
-    nets:
-      net: net
     params:
+      net: net
       align: right
       text: text
     adjust.shift: [50, 0]
 
   - what: pad
-    nets:
-      net: net
     params:
+      net: net
       align: up
       front: false
     adjust.shift: [0, 50]
 
   - what: pad
-    nets:
-      net: net
     params:
+      net: net
       align: down
       mirrored: true
     adjust.shift: [50, 50]

test/footprints/rest.yaml

@@ -2,42 +2,42 @@ points.zones.matrix:
 pcbs.pcb.footprints:
 
   - what: alps
-    nets:
+    params:
       from: from
       to: to
 
   - what: jstph
-    nets:
+    params:
       pos: pos
       neg: neg 
     adjust.shift: [50, 0]
 
   - what: jumper
-    nets:
+    params:
       from: from
       to: to
     adjust.shift: [100, 0]
 
   - what: oled
-    nets:
+    params:
       SDA: SDA
       SCL: SCL 
     adjust.shift: [0, 50]
 
   - what: omron
-    nets:
+    params:
       from: from
       to: to
     adjust.shift: [50, 50]
 
   - what: rgb
-    nets:
+    params:
       din: din
       dout: dout
     adjust.shift: [100, 50]
 
   - what: rotary
-    nets:
+    params:
       from: from
       to: to
       A: A
@@ -46,7 +46,7 @@ pcbs.pcb.footprints:
     adjust.shift: [0, 100]
 
   - what: scrollwheel
-    nets:
+    params:
       from: from
       to: to
       A: A
@@ -56,12 +56,12 @@ pcbs.pcb.footprints:
     adjust.shift: [50, 100]
 
   - what: slider
-    nets:
+    params:
       from: from
       to: to
     adjust.shift: [100, 100]
 
   - what: via
-    nets:
+    params:
       net: net
     adjust.shift: [0, 150]

test/footprints/trrs.yaml

@@ -3,7 +3,7 @@ pcbs.pcb.footprints:
 
   # basic
   - what: trrs
-    nets:
+    params:
       A: A
       B: B
       C: C
@@ -11,23 +11,21 @@ pcbs.pcb.footprints:
 
   # reversible
   - what: trrs
-    nets:
+    params:
       A: A
       B: B
       C: C
       D: D
-    params:
       reverse: true
     adjust.shift: [50, 0]
 
   # reversible + symmetric
   - what: trrs
-    nets:
+    params:
       A: A
       B: B
       C: C
       D: D
-    params:
       reverse: true
       symmetric: true
     adjust.shift: [100, 0]

test/helpers/mock_footprints.js

@@ -1,11 +1,9 @@
 exports.inject = (ergogen) => {
     ergogen.inject('footprint', 'trace_test', {
-        nets: {
-            P1: 'P1'
-        },
         params: {
-            class: 'T',
+            designator: 'T',
-            side: 'F'
+            side: 'F',
+            P1: {type: 'net', value: 'P1'}
         },
         body: p => {
             return `
@@ -15,26 +13,24 @@ exports.inject = (ergogen) => {
                     ${p.at /* parametric position */}
 
                     (pad 1 smd rect (at 0 0 ${p.rot}) (size 1 1) (layers F.Cu F.Paste F.Mask)
-                        ${p.net.P1.str} (solder_mask_margin 0.2))
+                        ${p.P1.str} (solder_mask_margin 0.2))
 
                     (pad 2 smd rect (at 5 5 ${p.rot}) (size 1 1) (layers F.Cu F.Paste F.Mask)
-                        ${p.net.P1.str} (solder_mask_margin 0.2))
+                        ${p.P1.str} (solder_mask_margin 0.2))
 
                 )
 
-                (segment (start ${p.xy(0, 0)}) (end ${p.xy(5, 5)}) (width 0.25) (layer F.Cu) (net ${p.net.P1.index}))
+                (segment (start ${p.xy(0, 0)}) (end ${p.xy(5, 5)}) (width 0.25) (layer F.Cu) (net ${p.P1.index}))
 
             `
         }
     })
 
     ergogen.inject('footprint', 'zone_test', {
-        nets: {
-            P1: 'P1'
-        },
         params: {
-            class: 'T',
+            designator: 'T',
-            side: 'F'
+            side: 'F',
+            P1: {type: 'net', value: 'P1'}
         },
         body: p => {
             return `
@@ -44,14 +40,14 @@ exports.inject = (ergogen) => {
                     ${p.at /* parametric position */}
 
                     (pad 1 smd rect (at 0 0 ${p.rot}) (size 1 1) (layers F.Cu F.Paste F.Mask)
-                        ${p.net.P1.str} (solder_mask_margin 0.2))
+                        ${p.P1.str} (solder_mask_margin 0.2))
 
                     (pad 2 smd rect (at 5 5 ${p.rot}) (size 1 1) (layers F.Cu F.Paste F.Mask)
-                        ${p.net.P1.str} (solder_mask_margin 0.2))
+                        ${p.P1.str} (solder_mask_margin 0.2))
 
                 )
 
-                (zone (net ${p.net.P1.index}) (net_name ${p.net.P1.name}) (layer ${p.param.side}.Cu) (tstamp 0) (hatch full 0.508)
+                (zone (net ${p.P1.index}) (net_name ${p.P1.name}) (layer ${p.side}.Cu) (tstamp 0) (hatch full 0.508)
                     (connect_pads (clearance 0.508))
                     (min_thickness 0.254)
                     (fill yes (arc_segments 32) (thermal_gap 0.508) (thermal_bridge_width 0.508))
@@ -63,9 +59,8 @@ exports.inject = (ergogen) => {
     })
 
     ergogen.inject('footprint', 'dynamic_net_test', {
-        nets: {},
         params: {
-            class: 'T',
+            designator: 'T',
             side: 'F'
         },
         body: p => {
@@ -91,13 +86,10 @@ exports.inject = (ergogen) => {
     })
 
     ergogen.inject('footprint', 'anchor_test', {
-        nets: {},
         params: {
-            class: 'T',
+            designator: 'T',
-            side: 'F'
+            side: 'F',
-        },
+            end: {type: 'anchor', value: undefined}
-        anchors: {
-            end: undefined
         },
         body: p => {
             return ` 
@@ -106,7 +98,7 @@ exports.inject = (ergogen) => {
 
                     ${p.at /* parametric position */}
 
-                    (fp_line (start 0 0) (end ${p.anchors.end.x} ${p.anchors.end.y}) (layer Dwgs.User) (width 0.05))
+                    (fp_line (start 0 0) (end ${p.end.x} ${p.end.y}) (layer Dwgs.User) (width 0.05))
 
                 )
 
@@ -115,7 +107,6 @@ exports.inject = (ergogen) => {
     })
 
     ergogen.inject('footprint', 'references_test', {
-        nets: {},
         params: {},
         body: p => {
             return `references ${p.ref_hide ? 'hidden' : 'shown'}`

test/pcbs/mock_footprints.yaml

@@ -24,7 +24,7 @@ pcbs:
         what: dynamic_net_test
       anc:
         what: anchor_test
-        anchors:
+        params:
           end:
             ref: matrix
             shift: [10, 10]