adamjanes / udemy-d3 Goto Github PK

In the file:
udemy-d3/05/5.07/js/main.js

Lines 112 and 117, there are missing a () in order to call x.bandwidth()

rects.enter()
    .append("rect")
        .attr("fill", "grey")
        .attr("y", y(0))
        .attr("height", 0)
        .attr("x", function(d){ return x(d.month) })
        .attr("width", x.bandwidth)    //-------------------->missing parenthesis
        // AND UPDATE old elements present in new data.
        .merge(rects)
        .transition(t)
            .attr("x", function(d){ return x(d.month) })
            .attr("width", x.bandwidth)    //------------------>missing parenthesis
            .attr("y", function(d){ return y(d[value]); })
            .attr("height", function(d){ return height - y(d[value]); });

//
/*Error: attribute height: Expected length, "NaN".

• main.js
• Mastering Data Visualization with D3.js
• Project 1 - Star Break Coffee
  */

const MARGIN = { LEFT: 100, RIGHT: 10, TOP: 10, BOTTOM: 130 }
const WIDTH = 600 - MARGIN.LEFT - MARGIN.RIGHT
var HEIGHT = 400 - MARGIN.TOP - MARGIN.BOTTOM

const svg = d3.select("#chart-area").append("svg")
.attr("width", WIDTH + MARGIN.LEFT + MARGIN.RIGHT)
.attr("height", HEIGHT + MARGIN.TOP + MARGIN.BOTTOM)

const g = svg.append("g")
.attr("transform", translate(${MARGIN.LEFT}, ${MARGIN.TOP}))

// X label
g.append("text")
.attr("class", "x axis-label")
.attr("x", WIDTH / 2)
.attr("y", HEIGHT + 50)
.attr("font-size", "20px")
.attr("text-anchor", "middle")
.text("Month")

// Y label
g.append("text")
.attr("class", "y axis-label")
.attr("x", - (HEIGHT / 2))
.attr("y", -60)
.attr("font-size", "20px")
.attr("text-anchor", "middle")
.attr("transform", "rotate(-90)")
.text("Revenue ($)")

d3.csv("./data/revenues.json").then(function(data){
data.forEach(d => {
d["revenue"] = +(d["revenue"]);

})

const x = d3.scaleBand()
.domain(data.map(d => d.month))
.range([0, WIDTH])
.paddingInner(0.3)
.paddingOuter(0.2)

const y = d3.scaleLinear()
.domain([0, d3.max(data, d => d.revenue)])
.range([HEIGHT, 0])

const xAxisCall = d3.axisBottom(x)
g.append("g")
.attr("class", "x axis")
.attr("transform", translate(0, ${HEIGHT}))
.call(xAxisCall)
.selectAll("text")
.attr("y", "10")
.attr("x", "-5")
.attr("text-anchor", "end")
.attr("transform", "rotate(-40)")

const yAxisCall = d3.axisLeft(y)
.ticks(3)
.tickFormat(d => d + "m")
g.append("g")
.attr("class", "y axis")
.call(yAxisCall)

g.selectAll("rect")
.data(data).enter().append("rect")
.attr("y", (d) => y(d.revenue))
.attr("x", (d) => x(d.month))
.attr("width", x.bandwidth())
.attr("height", function(d) { return HEIGHT-y(d.revenue); })
.attr("fill", "grey");
});

A ";" is missing in 03/3.13.1/js/main.js line 76