diff --git a/erpnext/public/js/agriculture/ternary_plot.js b/erpnext/public/js/agriculture/ternary_plot.js
deleted file mode 100644
index b06a1fd..0000000
--- a/erpnext/public/js/agriculture/ternary_plot.js
+++ /dev/null
@@ -1,232 +0,0 @@
-frappe.provide('agriculture');
-
-agriculture.TernaryPlot = class TernaryPlot {
-	constructor(opts) {
-		Object.assign(this, opts);
-
-		frappe.require('assets/frappe/js/lib/snap.svg-min.js', () => {
-			this.make_svg();
-			this.init_snap();
-			this.init_config();
-			this.make_plot();
-			this.make_plot_marking();
-			this.make_legend();
-			this.mark_blip();
-		});
-	}
-
-	make_svg() {
-		this.$svg = $('<svg height="350" width="400">');
-		$(this.parent).append(this.$svg);
-	}
-
-	init_snap() {
-		this.paper = new Snap(this.$svg.get(0));
-	}
-
-	init_config() {
-		this.config = {
-			triangle_side: 300,
-			spacing: 50,
-			strokeWidth: 1,
-			stroke: frappe.ui.color.get('black')
-		};
-		this.config.scaling_factor = this.config.triangle_side / 100;
-		let { triangle_side: t, spacing: s, scaling_factor: p } = this.config;
-
-		this.coords = {
-			sand: {
-				points: [
-					s + t * Snap.cos(60), s,
-					s, s + t * Snap.cos(30),
-					s + t, s + t * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('peach')
-			},
-			loamy_sand: {
-				points: [
-					s + 15 * p * Snap.cos(60), s + (100 - 15) * p * Snap.cos(30),
-					s + 10 * p * Snap.cos(60), s + (100 - 10) * p * Snap.cos(30),
-					s + (100 - 85) * p, s + t * Snap.cos(30),
-					s + (100 - 70) * p, s + t * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('pink')
-			},
-			sandy_loam: {
-				points: [
-					s + 20 * p * Snap.cos(60) + 27.5 * p, s + (100 - 20) * p * Snap.cos(30),
-					s + 20 * p * Snap.cos(60), s + (100 - 20) * p * Snap.cos(30),
-					s + 15 * p * Snap.cos(60), s + (100 - 15) * p * Snap.cos(30),
-					s + (100 - 75) * p, s + t * Snap.cos(30),
-					s + (100 - 50) * p, s + t * Snap.cos(30),
-					s + (100 - 50) * p + 7.5 * p * Snap.cos(60), s + t * Snap.cos(30) - 7.5 * p * Snap.cos(30),
-					s + (100 - 50) * p + 7.5 * p * Snap.cos(60) - 10 * p, s + t * Snap.cos(30) - 7.5 * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('pink', 'light')
-			},
-			loam: {
-				points: [
-					s + (100 - 50) * p + 27.5 * p * Snap.cos(60), s + t * Snap.cos(30) - 27.5 * p * Snap.cos(30),
-					s + (100 - 50) * p + 27.5 * p * Snap.cos(60) - 22.5 * p, s + t * Snap.cos(30) - 27.5 * p * Snap.cos(30),
-					s + 20 * p * Snap.cos(60) + 27.5 * p, s + (100 - 20) * p * Snap.cos(30),
-					s + (100 - 50) * p + 7.5 * p * Snap.cos(60) - 10 * p, s + t * Snap.cos(30) - 7.5 * p * Snap.cos(30),
-					s + (100 - 50) * p + 7.5 * p * Snap.cos(60), s + t * Snap.cos(30) - 7.5 * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('brown')
-			},
-			silt_loam: {
-				points: [
-					s + t - 27.5 * p * Snap.cos(60), s + 72.5 * p * Snap.cos(30),
-					s + (100 - 50) * p + 27.5 * p * Snap.cos(60), s + t * Snap.cos(30) - 27.5 * p * Snap.cos(30),
-					s + (100 - 50) * p, s + t * Snap.cos(30),
-					s + (100 - 20) * p, s + t * Snap.cos(30),
-					s + (100 - 20) * p + 12.5 * p * Snap.cos(60), s + 90 * p * Snap.cos(30),
-					s + t - 12.5 * p * Snap.cos(60), s + (100 - 12.5) * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('green', 'dark')
-			},
-			silt: {
-				points: [
-					s + t - 12.5 * p * Snap.cos(60), s + (100 - 12.5) * p * Snap.cos(30),
-					s + (100 - 20) * p + 12.5 * p * Snap.cos(60), s + 90 * p * Snap.cos(30),
-					s + (100 - 20) * p, s + t * Snap.cos(30),
-					s + t, s + t * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('green')
-			},
-			silty_clay_loam: {
-				points: [
-					s + t - 40 * p * Snap.cos(60), s + 60 * p * Snap.cos(30),
-					s + t - 40 * p * Snap.cos(60) - 20 * p, s + 60 * p * Snap.cos(30),
-					s + t - 27.5 * p * Snap.cos(60) - 20 * p, s + 72.5 * p * Snap.cos(30),
-					s + t - 27.5 * p * Snap.cos(60), s + 72.5 * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('cyan', 'dark')
-			},
-			silty_clay: {
-				points: [
-					s + t - 60 * p * Snap.cos(60), s + 40 * p * Snap.cos(30),
-					s + t - 40 * p * Snap.cos(60) - 20 * p, s + 60 * p * Snap.cos(30),
-					s + t - 40 * p * Snap.cos(60), s + 60 * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('cyan')
-			},
-			clay_loam: {
-				points: [
-					s + t - 40 * p * Snap.cos(60) - 20 * p, s + 60 * p * Snap.cos(30),
-					s + t - 40 * p * Snap.cos(60) - 45 * p, s + 60 * p * Snap.cos(30),
-					s + t - 27.5 * p * Snap.cos(60) - 45 * p, s + 72.5 * p * Snap.cos(30),
-					s + t - 27.5 * p * Snap.cos(60) - 20 * p, s + 72.5 * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('green', 'light')
-			},
-			sandy_clay_loam: {
-				points: [
-					s + 35 * p * Snap.cos(60) + 20 * p, s + (100 - 35) * p * Snap.cos(30),
-					s + 35 * p * Snap.cos(60), s + (100 - 35) * p * Snap.cos(30),
-					s + 20 * p * Snap.cos(60), s + (100 - 20) * p * Snap.cos(30),
-					s + 20 * p * Snap.cos(60) + 27.5 * p, s + (100 - 20) * p * Snap.cos(30),
-					s + t - 27.5 * p * Snap.cos(60) - 45 * p, s + 72.5 * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('pink', 'dark')
-			},
-			sandy_clay: {
-				points: [
-					s + 55 * p * Snap.cos(60), s + (100 - 55) * p * Snap.cos(30),
-					s + 35 * p * Snap.cos(60), s + (100 - 35) * p * Snap.cos(30),
-					s + 35 * p * Snap.cos(60) + 20 * p, s + (100 - 35) * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('red')
-			},
-			clay: {
-				points: [
-					s + t * Snap.cos(60), s,
-					s + 55 * p * Snap.cos(60), s + (100 - 55) * p * Snap.cos(30),
-					s + t - 40 * p * Snap.cos(60) - 45 * p, s + 60 * p * Snap.cos(30),
-					s + t - 40 * p * Snap.cos(60) - 20 * p, s + 60 * p * Snap.cos(30),
-					s + t - 60 * p * Snap.cos(60), s + 40 * p * Snap.cos(30)
-				],
-				color: frappe.ui.color.get('yellow')
-			},
-		};
-	}
-
-	get_coords(soil_type) {
-		return this.coords[soil_type].points;
-	}
-
-	get_color(soil_type) {
-		return this.coords[soil_type].color;
-	}
-
-	make_plot() {
-		for (let soil_type in this.coords) {
-			this.paper.polygon(this.get_coords(soil_type)).attr({
-				fill: this.get_color(soil_type),
-				stroke: this.config.stroke,
-				strokeWidth: this.config.strokeWidth
-			});
-		}
-	}
-
-	make_plot_marking() {
-		let { triangle_side: t, spacing: s, scaling_factor: p } = this.config;
-
-		let clay = this.paper.text(t * Snap.cos(60) / 2, s + t * Snap.cos(30) / 2, __("Clay")).attr({
-			fill: frappe.ui.color.get('black')
-		});
-		clay.transform("r300");
-
-		let silt = this.paper.text(t, s + t * Snap.cos(30) / 2, __("Silt")).attr({
-			fill: frappe.ui.color.get('black')
-		});
-		silt.transform("r60");
-
-		let sand = this.paper.text(35 + t * Snap.cos(60), 90 + t * Snap.cos(30), __("Sand")).attr({
-			fill: frappe.ui.color.get('black')
-		});
-		sand.transform("r0");
-	}
-
-	make_legend() {
-		// let side = len(this.coords)/2;
-		let index = 1;
-		let offset = 0;
-		let exec_once = true;
-		for (let soil_type in this.coords) {
-			if (index > 6 && exec_once){
-				offset = 300;
-				index = 1;
-				exec_once = false;
-			}
-			let rect = this.paper.rect(0+offset, 0+index*20, 100, 19, 5, 5).attr({
-				fill: this.get_color(soil_type),
-				stroke: frappe.ui.color.get('black')
-			});
-			let text = this.paper.text(5+offset, 16+index*20, soil_type).attr({
-				fill: frappe.ui.color.get('black'),
-				'font-size': 12
-			});
-			index++;
-		}
-	}
-
-	mark_blip({clay, sand, silt} = this) {
-		if (clay + sand + silt != 0){
-			let { triangle_side: t, spacing: s, scaling_factor: p } = this.config;
-
-			let x_blip = s + clay * p * Snap.cos(60) + silt * p;
-			let y_blip = s + silt * p * Snap.cos(30) + sand * p * Snap.sin(60);
-			this.blip = this.paper.circle(x_blip, y_blip, 4).attr({
-				fill: frappe.ui.color.get("orange"),
-				stroke: frappe.ui.color.get("orange"),
-				strokeWidth: 2
-			});
-		}
-	}
-
-	remove_blip() {
-		if (typeof this.blip !== 'undefined')
-			this.blip.remove();
-	}
-};
diff --git a/erpnext/public/js/stock_analytics.js b/erpnext/public/js/stock_analytics.js
index a343c34..98e7f78 100644
--- a/erpnext/public/js/stock_analytics.js
+++ b/erpnext/public/js/stock_analytics.js
@@ -125,6 +125,7 @@
 		this.serialized_buying_rates = this.get_serialized_buying_rates();
 
 		for(var i=0, j=data.length; i<j; i++) {
+			let diff = 0;
 			var sl = data[i];
 			sl.posting_datetime = sl.posting_date + " " + sl.posting_time;
 			var posting_datetime = frappe.datetime.str_to_obj(sl.posting_datetime);
@@ -140,18 +141,18 @@
 					var is_fifo = valuation_method == "FIFO";
 
 					if(sl.voucher_type=="Stock Reconciliation") {
-						var diff = (sl.qty_after_transaction * sl.valuation_rate) - item.closing_qty_value;
+						diff = (sl.qty_after_transaction * sl.valuation_rate) - item.closing_qty_value;
 						wh.fifo_stack = [[sl.qty_after_transaction, sl.valuation_rate, sl.posting_date]];
 						wh.balance_qty = sl.qty_after_transaction;
 						wh.balance_value = sl.valuation_rate * sl.qty_after_transaction;
 					} else {
-						var diff = me.get_value_diff(wh, sl, is_fifo);
+						diff = me.get_value_diff(wh, sl, is_fifo);
 					}
 				} else {
 					if(sl.voucher_type=="Stock Reconciliation") {
-						var diff = sl.qty_after_transaction - item.closing_qty_value;
+						diff = sl.qty_after_transaction - item.closing_qty_value;
 					} else {
-						var diff = sl.qty;
+						diff = sl.qty;
 					}
 				}
 
diff --git a/erpnext/public/js/stock_grid_report.js b/erpnext/public/js/stock_grid_report.js
index 752fafd..c7867d0 100644
--- a/erpnext/public/js/stock_grid_report.js
+++ b/erpnext/public/js/stock_grid_report.js
@@ -12,10 +12,12 @@
 
 	get_value_diff(wh, sl, is_fifo) {
 		// value
+		let value_diff = 0;
+
 		if(sl.qty > 0) {
 			// incoming - rate is given
-			var rate = sl.incoming_rate;
-			var add_qty = sl.qty;
+			let rate = sl.incoming_rate;
+			let add_qty = sl.qty;
 			if(wh.balance_qty < 0) {
 				// negative valuation
 				// only add value of quantity if
@@ -25,10 +27,11 @@
 					add_qty = 0;
 				}
 			}
+
 			if(sl.serial_no) {
-				var value_diff = this.get_serialized_value_diff(sl);
+				value_diff = this.get_serialized_value_diff(sl);
 			} else {
-				var value_diff = (rate * add_qty);
+				value_diff = (rate * add_qty);
 			}
 
 			if(add_qty)
@@ -39,19 +42,19 @@
 
 			// outgoing
 			if(sl.serial_no) {
-				var value_diff = -1 * this.get_serialized_value_diff(sl);
+				value_diff = -1 * this.get_serialized_value_diff(sl);
 			} else if(is_fifo) {
-				var value_diff = fifo_value_diff;
+				value_diff = fifo_value_diff;
 			} else {
 				// average rate for weighted average
-				var rate = (wh.balance_qty.toFixed(2) == 0.00 ? 0 :
+				let rate = (wh.balance_qty.toFixed(2) == 0.00 ? 0 :
 					flt(wh.balance_value) / flt(wh.balance_qty));
 
 				// no change in value if negative qty
 				if((wh.balance_qty + sl.qty).toFixed(2) >= 0.00)
-					var value_diff = (rate * sl.qty);
+					value_diff = (rate * sl.qty);
 				else
-					var value_diff = -wh.balance_value;
+					value_diff = -wh.balance_value;
 			}
 		}