From 15c57c93e864fa6c2d71f46519bd453c59558765 Mon Sep 17 00:00:00 2001 From: Samuel Gratzl Date: Wed, 22 Jan 2020 17:48:00 -0500 Subject: [PATCH 1/5] start with typescript section --- README.md | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/README.md b/README.md index 9d98dc3..e5e07da 100644 --- a/README.md +++ b/README.md @@ -56,6 +56,7 @@ Extras - [More D3](#more-d3) - [D3 Boilerplate](#boilerplate) - [What Else Besides D3](#beside-d3) +- [TypeScript and D3][#typescript] > SURVEY: What do you guys already know? @@ -1103,6 +1104,90 @@ free and commerical charting library. - Crossfilter (https://square.github.io/crossfilter/) - Fast Multidimensional Filtering for Coordinated Views - ... + + + +# TypeScript and D3 + +[TypeScript](https://www.typescriptlang.org/) is a programming language on top of JavaScript. Foremost it allows to specify types to variables and parameters similar to other typed langugages such as Java, C#, and so on. The TypeScript compiler compiles the TypeScript code to regular JavaScript code and also performs checks on it. Every JavaScript code is valid TypeScript code. + +Examples + +The following JavaScript code can be rewritten to TypeScript + +```js +let x = 5; + +function add(a, b) { + return a + b; +} + +console.log(add(x, 3)); +console.log(add("text", 3))รถ +``` + +```ts +let x: number = 5; + +function add(a: number, b: number): number { + return a + b; +} + +console.log(add(x, 3)); +console.log(add("text", 3)); // will result in a compile error +``` + +Moreover, the TypeScript compiler is able to derive a lot which one can use to omit type declarations in some cases. + +```ts +let x = 5; // can be derived from the assignment + +function add(a: number, b: number) { // same for return type + return a + b; +} + +console.log(add(x, 3)); +console.log(add("text", 3)); // will result in a compile error +``` + +One can declare the types of variables and functions in ones own code. However, for external libraries, such as D3, the TypeScript compiler needs additional information such just the untyped JavaScript code is available. These are so called typings. [Definitely Typed](https://definitelytyped.org/) is a collection of typings for various JavaScript libraries including D3. + +So, when installing D3 using NPM one can install the typings alongside. Usually it is just by prepending the `@types/` scope. + +```bash +npm install d3 @types/d3 +``` + +Due to some heavy typing a D3 Selection (such as returned by `d3.select` or `d3.selectAll`) has four generic arguments: + 1. the element type of the selected element, e.g. `d3.selectAll("div")` will be a `HTMLDivElement`. + 1. the data type bound to this element, e.g. `d3.selectAll("div").data([1, 2, 3])` will be a `number`. + 1. the element type of the parent element, e.g. `d3.select("body").selectAll("div").data([1, 2, 3])` will be a `HTMLBodyElement`. + 1. the data type of the parent element, e.g. `d3.select("body").datum("data").selectAll("div").data([1, 2, 3])` will be a `string`. + +In my experience the third and fourth argument are barely of any use of which it can be simplified and set to e.g. `unknown` or `any`. + +One can specify the type in more detail by specifing the generic argument of the function. This is useful when the selector is more complex that just the element type. e.g. `d3.select(".chart")` + +TODO + * proper full binding example + * convert the bar chart to full TypeScript + * this context specification and usage + * + +## Hints + +### Axis + +The typings declare that an axis `d3.axisLeft` can just be called on a `SVGGElement` thus one has to make sure that the typings are correct of the selection. For example: + +```ts +const axis = d3.axisLeft(); +d3.select('.axis.x').call(axis); +``` + + + + Thank You [codepen]: https://img.shields.io/badge/CodePen-open-blue?logo=codepen From 7b0eaf5a164c42eac0c4de21c2733cc2a75b1feb Mon Sep 17 00:00:00 2001 From: Samuel Gratzl Date: Thu, 23 Jan 2020 01:49:17 -0500 Subject: [PATCH 2/5] add typescript example --- .gitignore | 2 + README.md | 31 ++-- examples/barchart07_final_ts.html | 35 ++++ examples/barchart07_final_ts.ts | 111 ++++++++++++ package-lock.json | 272 ++++++++++++++++++++++++++++++ package.json | 10 +- tsconfig.json | 73 ++++++++ 7 files changed, 515 insertions(+), 19 deletions(-) create mode 100644 examples/barchart07_final_ts.html create mode 100644 examples/barchart07_final_ts.ts create mode 100644 tsconfig.json diff --git a/.gitignore b/.gitignore index 5148e52..9443073 100644 --- a/.gitignore +++ b/.gitignore @@ -35,3 +35,5 @@ jspm_packages # Optional REPL history .node_repl_history + +/examples/*_ts.js diff --git a/README.md b/README.md index e5e07da..01fc94d 100644 --- a/README.md +++ b/README.md @@ -1104,7 +1104,6 @@ free and commerical charting library. - Crossfilter (https://square.github.io/crossfilter/) - Fast Multidimensional Filtering for Coordinated Views - ... - # TypeScript and D3 @@ -1142,7 +1141,8 @@ Moreover, the TypeScript compiler is able to derive a lot which one can use to o ```ts let x = 5; // can be derived from the assignment -function add(a: number, b: number) { // same for return type +function add(a: number, b: number) { + // same for return type return a + b; } @@ -1154,39 +1154,38 @@ One can declare the types of variables and functions in ones own code. However, So, when installing D3 using NPM one can install the typings alongside. Usually it is just by prepending the `@types/` scope. -```bash +```sh npm install d3 @types/d3 ``` Due to some heavy typing a D3 Selection (such as returned by `d3.select` or `d3.selectAll`) has four generic arguments: - 1. the element type of the selected element, e.g. `d3.selectAll("div")` will be a `HTMLDivElement`. - 1. the data type bound to this element, e.g. `d3.selectAll("div").data([1, 2, 3])` will be a `number`. - 1. the element type of the parent element, e.g. `d3.select("body").selectAll("div").data([1, 2, 3])` will be a `HTMLBodyElement`. - 1. the data type of the parent element, e.g. `d3.select("body").datum("data").selectAll("div").data([1, 2, 3])` will be a `string`. + +1. the element type of the selected element, e.g. `d3.selectAll("div")` will be a `HTMLDivElement`. +1. the data type bound to this element, e.g. `d3.selectAll("div").data([1, 2, 3])` will be a `number`. +1. the element type of the parent element, e.g. `d3.select("body").selectAll("div").data([1, 2, 3])` will be a `HTMLBodyElement`. +1. the data type of the parent element, e.g. `d3.select("body").datum("data").selectAll("div").data([1, 2, 3])` will be a `string`. In my experience the third and fourth argument are barely of any use of which it can be simplified and set to e.g. `unknown` or `any`. -One can specify the type in more detail by specifing the generic argument of the function. This is useful when the selector is more complex that just the element type. e.g. `d3.select(".chart")` +One can specify the type in more detail by specifing the generic argument of the function. This is useful when the selector is more complex that just the element type. e.g. `d3.select(".chart")` -TODO - * proper full binding example - * convert the bar chart to full TypeScript - * this context specification and usage - * +--- + +Barchart final results in TypeScript [barchart07_final_ts.html](examples/barchart07_final_ts.html) [![Open in CodePen][codepen]](https://codepen.io/sgratzl/pen/gObqdEG) ## Hints ### Axis -The typings declare that an axis `d3.axisLeft` can just be called on a `SVGGElement` thus one has to make sure that the typings are correct of the selection. For example: +The typings declare that an axis `d3.axisLeft`, ... can just be called on a `SVGGElement` thus one has to make sure that the typings are correct of the selection. For example: ```ts const axis = d3.axisLeft(); -d3.select('.axis.x').call(axis); +d3.select(".axis.x").call(axis); ``` - +--- Thank You diff --git a/examples/barchart07_final_ts.html b/examples/barchart07_final_ts.html new file mode 100644 index 0000000..8e1e059 --- /dev/null +++ b/examples/barchart07_final_ts.html @@ -0,0 +1,35 @@ + + + + + + Student's First Barchart + + + + + + + + +

Student's First Barchart

+ +
+ Filter: + +
+ + + + diff --git a/examples/barchart07_final_ts.ts b/examples/barchart07_final_ts.ts new file mode 100644 index 0000000..4b32c5a --- /dev/null +++ b/examples/barchart07_final_ts.ts @@ -0,0 +1,111 @@ +const margin = { top: 40, bottom: 10, left: 120, right: 20 }; +const width = 800 - margin.left - margin.right; +const height = 600 - margin.top - margin.bottom; + +// Creates sources element +const svg = d3 + .select("body") + .append("svg") + .attr("width", width + margin.left + margin.right) + .attr("height", height + margin.top + margin.bottom); + +// Group used to enforce margin +const g = svg.append("g").attr("transform", `translate(${margin.left},${margin.top})`); +g.append("g").attr("class", "x axis"); +g.append("g").attr("class", "y axis"); + +// delcare the Data Element Type for proper typing +interface IElem { + temperature: number; + location: { + country: string; + city: string; + }; +} + +// Global variable for all data +let data: IElem[]; + +// Scales setup +const xscale = d3.scaleLinear().range([0, width]); +const yscale = d3 + .scaleBand() + .rangeRound([0, height]) + .paddingInner(0.1); + +// Axis setup +const xaxis = d3.axisTop(xscale); +const yaxis = d3.axisLeft(yscale); + +///////////////////////// + +d3.json("weather.json").then((json: IElem[]) => { + data = json; + + update(data); +}); + +function update(new_data: IElem[]) { + //update the scales + // need to use the ! to tell TypeScript that it will always return a number + xscale.domain([0, d3.max(new_data, d => d.temperature)!]); + yscale.domain(new_data.map(d => d.location.city)); + //render the axis + // specify the generic argument to enforce being a SVGGEelement + g.select(".x.axis") + .transition() + .call(xaxis); + g.select(".y.axis") + .transition() + .call(yaxis); + + // Render the chart with new data + + // DATA JOIN use the key argument for ensurign that the same DOM element is bound to the same data-item + const rect = g + .selectAll("rect") + .data(new_data, d => (d as IElem).location.city) // key argument cannot be properly typed + .join( + // ENTER + // new elements + enter => { + const rect_enter = enter.append("rect").attr("x", 0); + rect_enter.append("title"); + return rect_enter; + }, + // UPDATE + // update existing elements + update => update, + // EXIT + // elements that aren't associated with data + exit => exit.remove() + ); + + // ENTER + UPDATE + // both old and new elements + rect + .transition() + .attr("height", yscale.bandwidth()) + .attr("width", d => xscale(d.temperature)!) + .attr("y", d => yscale(d.location.city)!); + + rect.select("title").text(d => d.location.city); +} + +//interactivity +d3.select("#filter-us-only").on("change", function() { + // This will be triggered when the user selects or unselects the checkbox + // since we typed the select such that this is a HTMLInputElement we can just use the this context and have proper autocompletion + const checked = this.checked; + if (checked) { + // Checkbox was just checked + + // Keep only data element whose country is US + const filtered_data = data.filter(d => d.location.country === "US"); + + update(filtered_data); // Update the chart with the filtered data + } else { + // Checkbox was just unchecked + update(data); // Update the chart with all the data we have + } +}); diff --git a/package-lock.json b/package-lock.json index bc60b14..1ddd655 100644 --- a/package-lock.json +++ b/package-lock.json @@ -4,6 +4,272 @@ "lockfileVersion": 1, "requires": true, "dependencies": { + "@types/d3": { + "version": "5.7.2", + "resolved": "https://registry.npmjs.org/@types/d3/-/d3-5.7.2.tgz", + "integrity": "sha512-7/wClB8ycneWGy3jdvLfXKTd5SoTg9hji7IdJ0RuO9xTY54YpJ8zlcFADcXhY1J3kCBwxp+/1jeN6a5OMwgYOw==", + "dev": true, + "requires": { + "@types/d3-array": "^1", + "@types/d3-axis": "*", + "@types/d3-brush": "*", + "@types/d3-chord": "*", + "@types/d3-collection": "*", + "@types/d3-color": "*", + "@types/d3-contour": "*", + "@types/d3-dispatch": "*", + "@types/d3-drag": 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"sha1-8aAymzCLIh+uN7mXTz1XjQypmeM=", "dev": true }, + "typescript": { + "version": "3.7.5", + "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.5.tgz", + "integrity": "sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==", + "dev": true + }, "union": { "version": "0.5.0", "resolved": "https://registry.npmjs.org/union/-/union-0.5.0.tgz", diff --git a/package.json b/package.json index 73d3367..1d2dd8d 100644 --- a/package.json +++ b/package.json @@ -6,8 +6,10 @@ "main": "index.js", "scripts": { "start": "http-server", - "postinstall": "rm -rf web_modules/d3 && cp -r node_modules/d3 web_modules/", - "format": "prettier --print-width 120 --write examples/*.html index.html README.md package.json" + "postinstall": "rm -rf web_modules/d3 && cp -r node_modules/d3 web_modules/ && npm run compile", + "compile": "tsc -p .", + "watch": "tsc -w -p .", + "format": "prettier --print-width 120 --write examples/*.html examples/*.ts index.html README.md package.json" }, "repository": { "type": "git", @@ -23,7 +25,9 @@ "d3": "^5.15.0" }, "devDependencies": { + "@types/d3": "^5.7.2", "http-server": "^0.12.1", - "prettier": "^1.19.1" + "prettier": "^1.19.1", + "typescript": "^3.7.5" } } diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..5287d7f --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,73 @@ +{ + "compilerOptions": { + /* Basic Options */ + // "incremental": true, /* Enable incremental compilation */ + "target": "es6", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */ + "module": "none", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */ + "lib": [ + "dom", + "ES6" + ], /* Specify library files to be included in the compilation. */ + // "allowJs": true, /* Allow javascript files to be compiled. */ + // "checkJs": true, /* Report errors in .js files. */ + // "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */ + // "declaration": true, /* Generates corresponding '.d.ts' file. */ + // "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */ + // "sourceMap": true, /* Generates corresponding '.map' file. */ + // "outFile": "./", /* Concatenate and emit output to single file. */ + // "outDir": "./", /* Redirect output structure to the directory. */ + // "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */ + // "composite": true, /* Enable project compilation */ + // "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */ + // "removeComments": true, /* Do not emit comments to output. */ + // "noEmit": true, /* Do not emit outputs. */ + // "importHelpers": true, /* Import emit helpers from 'tslib'. */ + // "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */ + // "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */ + + /* Strict Type-Checking Options */ + "strict": true, /* Enable all strict type-checking options. */ + // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */ + // "strictNullChecks": true, /* Enable strict null checks. */ + // "strictFunctionTypes": true, /* Enable strict checking of function types. */ + // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */ + // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */ + "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */ + // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */ + + /* Additional Checks */ + "noUnusedLocals": true, /* Report errors on unused locals. */ + "noUnusedParameters": true, /* Report errors on unused parameters. */ + "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */ + "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */ + + /* Module Resolution Options */ + "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */ + // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */ + // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */ + // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */ + // "typeRoots": [], /* List of folders to include type definitions from. */ + // "types": [], /* Type declaration files to be included in compilation. */ + // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */ + "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */ + // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */ + // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ + + /* Source Map Options */ + // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */ + // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ + // "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */ + // "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */ + + /* Experimental Options */ + // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ + // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */ + + /* Advanced Options */ + "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */ + }, + + "include": [ + "examples/*.ts" + ] +} From 191a78fe92141dba4161d111eabd83218f2a7a07 Mon Sep 17 00:00:00 2001 From: Samuel Gratzl Date: Thu, 23 Jan 2020 01:59:17 -0500 Subject: [PATCH 3/5] add example and hint about scales --- README.md | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 01fc94d..ad304a8 100644 --- a/README.md +++ b/README.md @@ -1165,9 +1165,17 @@ Due to some heavy typing a D3 Selection (such as returned by `d3.select` or `d3. 1. the element type of the parent element, e.g. `d3.select("body").selectAll("div").data([1, 2, 3])` will be a `HTMLBodyElement`. 1. the data type of the parent element, e.g. `d3.select("body").datum("data").selectAll("div").data([1, 2, 3])` will be a `string`. -In my experience the third and fourth argument are barely of any use of which it can be simplified and set to e.g. `unknown` or `any`. +In my experience the third and fourth argument are barely of any use of which it can be simplified and set to e.g. `unknown` or `any`. However, one has to fully define a selection if you wanna explicitly define a variable containing a D3 selection, -One can specify the type in more detail by specifing the generic argument of the function. This is useful when the selector is more complex that just the element type. e.g. `d3.select(".chart")` +```ts +import * as d3 from "d3"; + +let rects: Selection; + +rects = d3.select("g").selectAll("rect").data([1, 2, 3]); +``` + +One can specify the type in more detail by specifing the generic argument of the function. This is useful when the selector is more complex that just the element type. e.g. `d3.select(".chart")`. One also has to specify the generic arguments when using scales that are not just numbers but e.g. a linear scale for generating colors. `d3.scaleLinear().domain([0, 1]).range(["white", "black"]); --- From d4e37d0c030563f4b1d57f11a5a748ee80db9e0c Mon Sep 17 00:00:00 2001 From: Samuel Gratzl Date: Thu, 9 Apr 2020 10:14:37 +0200 Subject: [PATCH 4/5] update dependencies and format code --- README.md | 91 +++++++++------------------- examples/barchart02_title.html | 8 +-- examples/barchart03_json.html | 10 +-- examples/barchart04_scale.html | 12 ++-- examples/barchart05_interactive.html | 25 ++++---- examples/barchart06_animation.html | 29 ++++----- examples/barchart07_final.html | 29 ++++----- examples/barchart07_final_ts.ts | 35 +++++------ examples/mcv01_initial.html | 30 ++++----- examples/mcv02_piechart.html | 34 +++++------ examples/mcv03_interaction.html | 51 ++++++++-------- examples/mcv04_morevisses.html | 55 ++++++++--------- examples/mcv05_transitions.html | 65 ++++++++++---------- examples/mcv06_final.html | 77 +++++++++++------------ examples/miserables.html | 36 +++++------ examples/persons.html | 42 ++++++------- examples/pie.html | 13 +--- package-lock.json | 76 +++++++++++------------ package.json | 6 +- web_modules/d3/README.md | 6 +- web_modules/d3/dist/d3.js | 13 ++-- web_modules/d3/dist/d3.min.js | 4 +- web_modules/d3/dist/d3.node.js | 2 +- web_modules/d3/dist/package.js | 2 +- web_modules/d3/package.json | 22 +++---- 25 files changed, 338 insertions(+), 435 deletions(-) diff --git a/README.md b/README.md index ad304a8..786c980 100644 --- a/README.md +++ b/README.md @@ -357,9 +357,9 @@ const sub = (a, b) => { console.log(add(10, 30), sub(10, 5)); // functional style programming -arr.forEach(d => (x += d)); -const arr2 = arr.map(d => d * 10); -const arrf = arr.filter(d => d < 3); +arr.forEach((d) => (x += d)); +const arr2 = arr.map((d) => d * 10); +const arrf = arr.filter((d) => d < 3); // function are first-level objects function compute(f, a, b) { return f(a, b); @@ -398,10 +398,7 @@ circle.attr("cx", 20); circle.attr("cy", 23); // alternative syntax via chaining -circle - .attr("r", 10) - .attr("cx", 20) - .attr("cy", 23); +circle.attr("r", 10).attr("cx", 20).attr("cy", 23); // set css styles circle.style("stroke-width", 2); @@ -424,10 +421,7 @@ The DOM elements can be manipulated using. `append` and `remove` ```js const body = d3.select("body"); -body - .append("svg") - .attr("width", 800) - .attr("height", 600); +body.append("svg").attr("width", 800).attr("height", 600); d3.select("svg").remove(); ``` @@ -464,15 +458,15 @@ const circles = d3 .selectAll("circle") .data(data) .join( - enter => { + (enter) => { // append an element matching the selector and set constant attributes const circles_enter = enter.append("circle"); circles_enter.attr("r", 10); return circles_enter; }, // update existing elements - update => update, - exit => { + (update) => update, + (exit) => { // exit phase return exit.remove(); } @@ -497,7 +491,7 @@ const data = [1, 2, 3]; d3.select("svg") .selectAll("circle") .data(data) - .join(enter => enter.append("circle").attr("r", 10)) + .join((enter) => enter.append("circle").attr("r", 10)) .attr("cx", (d, i) => d * 10) .attr("cy", (d, i) => i * 50); ``` @@ -543,24 +537,20 @@ Nested data join [![Open in CodePen][codepen]](https://codepen.io/sgratzl/pen/yL // hierarchical data const data = [ { name: "a", arr: [1, 2, 3] }, - { name: "b", arr: [3, 2, 4] } + { name: "b", arr: [3, 2, 4] }, ]; -const groups = d3 - .select("svg") - .selectAll("g") - .data(data) - .join("g"); +const groups = d3.select("svg").selectAll("g").data(data).join("g"); groups.attr("transform", (d, i) => `translate(${i * 20 + 10},10)`); // select all circles within each group and bind the inner array per data item const circles = groups .selectAll("circle") - .data(d => d.arr) + .data((d) => d.arr) .join("circle"); -circles.attr("r", d => d * 2).attr("cy", (d, i) => i * 20); +circles.attr("r", (d) => d * 2).attr("cy", (d, i) => i * 20); ``` Nested selection [![Open in CodePen][codepen]](https://codepen.io/sgratzl/pen/VwwZZjY): @@ -571,7 +561,7 @@ const circles = d3 .select("svg") .selectAll("circle") .data(data) - .join(enter => { + .join((enter) => { const circles_enter = enter.append("circle").attr("r", 10); // need to be separate since .append returns the appended element circles_enter.append("title"); @@ -580,7 +570,7 @@ const circles = d3 circles.attr("cx", (d, i) => d * 10).attr("cy", (d, i) => i * 50); -circles.select("title").text(d => d); +circles.select("title").text((d) => d); ``` --- @@ -601,22 +591,22 @@ In the current version we have static hard-coded data in our files. D3 provides ```js d3.json("file_to_load.json") - .then(data => { + .then((data) => { // do something with the data }) - .catch(error => { + .catch((error) => { console.error("Error loading the data"); }); ``` ```js d3.csv("file_to_load.csv") - .then(data => { + .then((data) => { // array of objects console.log(data.length); // do something with the data }) - .catch(error => { + .catch((error) => { console.error("Error loading the data"); }); ``` @@ -661,10 +651,7 @@ With version 5 D3 extracted the color schemes to it on repository located at https://github.com/d3/d3-scale-chromatic. Including both D3 standard schemes (e.g. `d3.schemeCategory10`) but also the ones from [ColorBrewer](http://colorbrewer2.org/) (e.g. `d3.schemeSet3`). These can be used as `range` for an ordinal scale. ```js -const cscale = d3 - .scaleOrdinal() - .domain(["a", "b", "c"]) - .range(d3.schemeCategory10); +const cscale = d3.scaleOrdinal().domain(["a", "b", "c"]).range(d3.schemeCategory10); ``` ```js @@ -694,19 +681,12 @@ circles.attr('cx', (d) => scale(d)); In addition, it is quite common adding a axis for your charts. D3 provides a utility function for this case : `d3.axisBottom()`, `d3.axisLeft()`, `d3.axisRight()`, `d3.axisTop()`. It uses a scale as input and the necessary SVG elements for you. ```js -const scale = d3 - .scaleLinear() - .domain([0, 5]) - .range([0, 200]); +const scale = d3.scaleLinear().domain([0, 5]).range([0, 200]); const axis = d3.axisBottom().scale(scale); // create a container to put the axis -const axis_container = d3 - .select("svg") - .append("g") - .attr("class", "axis") - .attr("transform", "translate(0,200)"); +const axis_container = d3.select("svg").append("g").attr("class", "axis").attr("transform", "translate(0,200)"); // call axis to create the SVG elements for you axis_container.call(axis); @@ -734,13 +714,13 @@ const circles = d3 .select("svg") .selectAll("circle") .data(data) - .join(enter => + .join((enter) => enter .append("circle") .attr("r", 10) .attr("cy", 40) .attr("cx", (d, i) => 30 + i * 30) - .on("click", function(d, i) { + .on("click", function (d, i) { console.log(`clicked on: ${d} (${i})`); const circle = d3.select(this); // can't use arrow scoping circle.style("stroke", "orange"); @@ -773,12 +753,7 @@ const circles = d3 .selectAll("circle") .data(data) .join( - enter => - enter - .append("circle") - .attr("r", 10) - .attr("cx", 100) - .attr("cy", 100) // useful default values for animation + (enter) => enter.append("circle").attr("r", 10).attr("cx", 100).attr("cy", 100) // useful default values for animation ); circles @@ -797,24 +772,15 @@ D3 is rather dumb when it comes to mapping data items to DOM elements. It doesn' ```js const cscale = d3.scaleOrdinal(d3.schemeCategory10).domain(["a", "b", "c", "d"]); -const xscale = d3 - .scaleBand() - .domain(["a", "b", "c", "d"]) - .range([10, 200]); +const xscale = d3.scaleBand().domain(["a", "b", "c", "d"]).range([10, 200]); function update(data) { const s = d3.select("svg"); // key argument return a unique key/id per data-item (string) const circles = s .selectAll("circle") - .data(data, d => d) - .join(enter => - enter - .append("circle") - .attr("r", 10) - .attr("cx", xscale) - .style("fill", cscale) - ); + .data(data, (d) => d) + .join((enter) => enter.append("circle").attr("r", 10).attr("cx", xscale).style("fill", cscale)); // a will be bound to the first DOM element circles.transition().attr("cy", (d, i) => 10 + i * 20); @@ -1192,7 +1158,6 @@ const axis = d3.axisLeft(); d3.select(".axis.x").call(axis); ``` - --- Thank You diff --git a/examples/barchart02_title.html b/examples/barchart02_title.html index 12e68ce..934f853 100644 --- a/examples/barchart02_title.html +++ b/examples/barchart02_title.html @@ -57,20 +57,20 @@

Student's First Barchart

.join( // ENTER // new elements - enter => enter.append("rect").attr("x", 0), + (enter) => enter.append("rect").attr("x", 0), // UPDATE // update existing elements - update => update, + (update) => update, // EXIT // elements that aren't associated with data - exit => exit.remove() + (exit) => exit.remove() ); // ENTER + UPDATE // both old and new elements rect .attr("height", bar_height) - .attr("width", d => d * 7) + .attr("width", (d) => d * 7) .attr("y", (d, i) => i * (bar_height + 5)); diff --git a/examples/barchart03_json.html b/examples/barchart03_json.html index 90f7d81..1d1cb89 100644 --- a/examples/barchart03_json.html +++ b/examples/barchart03_json.html @@ -59,27 +59,27 @@

Student's First Barchart

.join( // ENTER // new elements - enter => { + (enter) => { const rect_enter = enter.append("rect").attr("x", 0); rect_enter.append("title"); return rect_enter; }, // UPDATE // update existing elements - update => update, + (update) => update, // EXIT // elements that aren't associated with data - exit => exit.remove() + (exit) => exit.remove() ); // ENTER + UPDATE // both old and new elements rect .attr("height", bar_height) - .attr("width", d => d * 7) + .attr("width", (d) => d * 7) .attr("y", (d, i) => i * (bar_height + 5)); - rect.select("title").text(d => `value: ${d}`); + rect.select("title").text((d) => `value: ${d}`); diff --git a/examples/barchart04_scale.html b/examples/barchart04_scale.html index 6737e2f..7691d9e 100644 --- a/examples/barchart04_scale.html +++ b/examples/barchart04_scale.html @@ -50,7 +50,7 @@

Student's First Barchart

// x a linear scale with range: [0, width] and domain from 0 max temperature // y a band ordinal scale range: [0, height] and domain the different cities - d3.json("weather.json").then(json => { + d3.json("weather.json").then((json) => { data = json; update(data); @@ -66,27 +66,27 @@

Student's First Barchart

.join( // ENTER // new elements - enter => { + (enter) => { const rect_enter = enter.append("rect").attr("x", 0); rect_enter.append("title"); return rect_enter; }, // UPDATE // update existing elements - update => update, + (update) => update, // EXIT // elements that aren't associated with data - exit => exit.remove() + (exit) => exit.remove() ); // ENTER + UPDATE // both old and new elements rect .attr("height", bar_height) - .attr("width", d => d.temperature * 7) + .attr("width", (d) => d.temperature * 7) .attr("y", (d, i) => i * (bar_height + 5)); - rect.select("title").text(d => d.location.city); + rect.select("title").text((d) => d.location.city); } diff --git a/examples/barchart05_interactive.html b/examples/barchart05_interactive.html index b8b371f..205a87e 100644 --- a/examples/barchart05_interactive.html +++ b/examples/barchart05_interactive.html @@ -51,10 +51,7 @@

Student's First Barchart

// Scales setup const xscale = d3.scaleLinear().range([0, width]); - const yscale = d3 - .scaleBand() - .rangeRound([0, height]) - .paddingInner(0.1); + const yscale = d3.scaleBand().rangeRound([0, height]).paddingInner(0.1); // Axis setup const xaxis = d3.axisTop().scale(xscale); @@ -66,7 +63,7 @@

Student's First Barchart

// TODO use the provided code sample (see html checkbox and change handler) // when checked just the entries where `location.country === 'US'` should be shown - d3.json("weather.json").then(json => { + d3.json("weather.json").then((json) => { data = json; update(data); @@ -74,8 +71,8 @@

Student's First Barchart

function update(new_data) { //update the scales - xscale.domain([0, d3.max(new_data, d => d.temperature)]); - yscale.domain(new_data.map(d => d.location.city)); + xscale.domain([0, d3.max(new_data, (d) => d.temperature)]); + yscale.domain(new_data.map((d) => d.location.city)); //render the axis g_xaxis.call(xaxis); g_yaxis.call(yaxis); @@ -89,31 +86,31 @@

Student's First Barchart

.join( // ENTER // new elements - enter => { + (enter) => { const rect_enter = enter.append("rect").attr("x", 0); rect_enter.append("title"); return rect_enter; }, // UPDATE // update existing elements - update => update, + (update) => update, // EXIT // elements that aren't associated with data - exit => exit.remove() + (exit) => exit.remove() ); // ENTER + UPDATE // both old and new elements rect .attr("height", yscale.bandwidth()) - .attr("width", d => xscale(d.temperature)) - .attr("y", d => yscale(d.location.city)); + .attr("width", (d) => xscale(d.temperature)) + .attr("y", (d) => yscale(d.location.city)); - rect.select("title").text(d => d.location.city); + rect.select("title").text((d) => d.location.city); } //interactivity - d3.select("#filter-us-only").on("change", function() { + d3.select("#filter-us-only").on("change", function () { // This will be triggered when the user selects or unselects the checkbox const checked = d3.select(this).property("checked"); }); diff --git a/examples/barchart06_animation.html b/examples/barchart06_animation.html index ab6e933..ce359e4 100644 --- a/examples/barchart06_animation.html +++ b/examples/barchart06_animation.html @@ -50,10 +50,7 @@

Student's First Barchart

// Scales setup const xscale = d3.scaleLinear().range([0, width]); - const yscale = d3 - .scaleBand() - .rangeRound([0, height]) - .paddingInner(0.1); + const yscale = d3.scaleBand().rangeRound([0, height]).paddingInner(0.1); // Axis setup const xaxis = d3.axisTop().scale(xscale); @@ -64,7 +61,7 @@

Student's First Barchart

///////////////////////// // TODO use animated transtion between filtering changes - d3.json("weather.json").then(json => { + d3.json("weather.json").then((json) => { data = json; update(data); @@ -72,8 +69,8 @@

Student's First Barchart

function update(new_data) { //update the scales - xscale.domain([0, d3.max(new_data, d => d.temperature)]); - yscale.domain(new_data.map(d => d.location.city)); + xscale.domain([0, d3.max(new_data, (d) => d.temperature)]); + yscale.domain(new_data.map((d) => d.location.city)); //render the axis g_xaxis.call(xaxis); g_yaxis.call(yaxis); @@ -83,42 +80,42 @@

Student's First Barchart

// DATA JOIN use the key argument for ensurign that the same DOM element is bound to the same data-item const rect = g .selectAll("rect") - .data(new_data, d => d.location.city) + .data(new_data, (d) => d.location.city) .join( // ENTER // new elements - enter => { + (enter) => { const rect_enter = enter.append("rect").attr("x", 0); rect_enter.append("title"); return rect_enter; }, // UPDATE // update existing elements - update => update, + (update) => update, // EXIT // elements that aren't associated with data - exit => exit.remove() + (exit) => exit.remove() ); // ENTER + UPDATE // both old and new elements rect .attr("height", yscale.bandwidth()) - .attr("width", d => xscale(d.temperature)) - .attr("y", d => yscale(d.location.city)); + .attr("width", (d) => xscale(d.temperature)) + .attr("y", (d) => yscale(d.location.city)); - rect.select("title").text(d => d.location.city); + rect.select("title").text((d) => d.location.city); } //interactivity - d3.select("#filter-us-only").on("change", function() { + d3.select("#filter-us-only").on("change", function () { // This will be triggered when the user selects or unselects the checkbox const checked = d3.select(this).property("checked"); if (checked === true) { // Checkbox was just checked // Keep only data element whose country is US - const filtered_data = data.filter(d => d.location.country === "US"); + const filtered_data = data.filter((d) => d.location.country === "US"); update(filtered_data); // Update the chart with the filtered data } else { diff --git a/examples/barchart07_final.html b/examples/barchart07_final.html index 3a810b4..67ea36f 100644 --- a/examples/barchart07_final.html +++ b/examples/barchart07_final.html @@ -50,10 +50,7 @@

Student's First Barchart

// Scales setup const xscale = d3.scaleLinear().range([0, width]); - const yscale = d3 - .scaleBand() - .rangeRound([0, height]) - .paddingInner(0.1); + const yscale = d3.scaleBand().rangeRound([0, height]).paddingInner(0.1); // Axis setup const xaxis = d3.axisTop().scale(xscale); @@ -63,7 +60,7 @@

Student's First Barchart

///////////////////////// - d3.json("weather.json").then(json => { + d3.json("weather.json").then((json) => { data = json; update(data); @@ -71,8 +68,8 @@

Student's First Barchart

function update(new_data) { //update the scales - xscale.domain([0, d3.max(new_data, d => d.temperature)]); - yscale.domain(new_data.map(d => d.location.city)); + xscale.domain([0, d3.max(new_data, (d) => d.temperature)]); + yscale.domain(new_data.map((d) => d.location.city)); //render the axis g_xaxis.transition().call(xaxis); g_yaxis.transition().call(yaxis); @@ -82,21 +79,21 @@

Student's First Barchart

// DATA JOIN use the key argument for ensurign that the same DOM element is bound to the same data-item const rect = g .selectAll("rect") - .data(new_data, d => d.location.city) + .data(new_data, (d) => d.location.city) .join( // ENTER // new elements - enter => { + (enter) => { const rect_enter = enter.append("rect").attr("x", 0); rect_enter.append("title"); return rect_enter; }, // UPDATE // update existing elements - update => update, + (update) => update, // EXIT // elements that aren't associated with data - exit => exit.remove() + (exit) => exit.remove() ); // ENTER + UPDATE @@ -104,21 +101,21 @@

Student's First Barchart

rect .transition() .attr("height", yscale.bandwidth()) - .attr("width", d => xscale(d.temperature)) - .attr("y", d => yscale(d.location.city)); + .attr("width", (d) => xscale(d.temperature)) + .attr("y", (d) => yscale(d.location.city)); - rect.select("title").text(d => d.location.city); + rect.select("title").text((d) => d.location.city); } //interactivity - d3.select("#filter-us-only").on("change", function() { + d3.select("#filter-us-only").on("change", function () { // This will be triggered when the user selects or unselects the checkbox const checked = d3.select(this).property("checked"); if (checked === true) { // Checkbox was just checked // Keep only data element whose country is US - const filtered_data = data.filter(d => d.location.country === "US"); + const filtered_data = data.filter((d) => d.location.country === "US"); update(filtered_data); // Update the chart with the filtered data } else { diff --git a/examples/barchart07_final_ts.ts b/examples/barchart07_final_ts.ts index 4b32c5a..aead1de 100644 --- a/examples/barchart07_final_ts.ts +++ b/examples/barchart07_final_ts.ts @@ -28,10 +28,7 @@ let data: IElem[]; // Scales setup const xscale = d3.scaleLinear().range([0, width]); -const yscale = d3 - .scaleBand() - .rangeRound([0, height]) - .paddingInner(0.1); +const yscale = d3.scaleBand().rangeRound([0, height]).paddingInner(0.1); // Axis setup const xaxis = d3.axisTop(xscale); @@ -48,37 +45,33 @@ d3.json("weather.json").then((json: IElem[]) => { function update(new_data: IElem[]) { //update the scales // need to use the ! to tell TypeScript that it will always return a number - xscale.domain([0, d3.max(new_data, d => d.temperature)!]); - yscale.domain(new_data.map(d => d.location.city)); + xscale.domain([0, d3.max(new_data, (d) => d.temperature)!]); + yscale.domain(new_data.map((d) => d.location.city)); //render the axis // specify the generic argument to enforce being a SVGGEelement - g.select(".x.axis") - .transition() - .call(xaxis); - g.select(".y.axis") - .transition() - .call(yaxis); + g.select(".x.axis").transition().call(xaxis); + g.select(".y.axis").transition().call(yaxis); // Render the chart with new data // DATA JOIN use the key argument for ensurign that the same DOM element is bound to the same data-item const rect = g .selectAll("rect") - .data(new_data, d => (d as IElem).location.city) // key argument cannot be properly typed + .data(new_data, (d) => (d as IElem).location.city) // key argument cannot be properly typed .join( // ENTER // new elements - enter => { + (enter) => { const rect_enter = enter.append("rect").attr("x", 0); rect_enter.append("title"); return rect_enter; }, // UPDATE // update existing elements - update => update, + (update) => update, // EXIT // elements that aren't associated with data - exit => exit.remove() + (exit) => exit.remove() ); // ENTER + UPDATE @@ -86,14 +79,14 @@ function update(new_data: IElem[]) { rect .transition() .attr("height", yscale.bandwidth()) - .attr("width", d => xscale(d.temperature)!) - .attr("y", d => yscale(d.location.city)!); + .attr("width", (d) => xscale(d.temperature)!) + .attr("y", (d) => yscale(d.location.city)!); - rect.select("title").text(d => d.location.city); + rect.select("title").text((d) => d.location.city); } //interactivity -d3.select("#filter-us-only").on("change", function() { +d3.select("#filter-us-only").on("change", function () { // This will be triggered when the user selects or unselects the checkbox // since we typed the select such that this is a HTMLInputElement we can just use the this context and have proper autocompletion const checked = this.checked; @@ -101,7 +94,7 @@ d3.select("#filter-us-only").on("change", function() // Checkbox was just checked // Keep only data element whose country is US - const filtered_data = data.filter(d => d.location.country === "US"); + const filtered_data = data.filter((d) => d.location.country === "US"); update(filtered_data); // Update the chart with the filtered data } else { diff --git a/examples/mcv01_initial.html b/examples/mcv01_initial.html index 125ef54..afbc627 100644 --- a/examples/mcv01_initial.html +++ b/examples/mcv01_initial.html @@ -66,7 +66,7 @@

Age Histogram

diff --git a/examples/persons.html b/examples/persons.html index 73bd3ae..ddd2709 100644 --- a/examples/persons.html +++ b/examples/persons.html @@ -34,72 +34,64 @@

D3 Persons: Weight vs Age

name: "Steve", age: 10, weight: 30, - gender: "male" + gender: "male", }, { name: "Stan", age: 15, weight: 60, - gender: "male" + gender: "male", }, { name: "Tom", age: 18, weight: 70, - gender: "male" + gender: "male", }, { name: "Marie", age: 18, weight: 58, - gender: "female" - } + gender: "female", + }, ]; - const color = d3 - .scaleOrdinal() - .domain(["female", "male"]) - .range(["red", "blue"]); + const color = d3.scaleOrdinal().domain(["female", "male"]).range(["red", "blue"]); const xscale = d3 .scaleLinear() - .domain([0, d3.max(data, d => d.age)]) + .domain([0, d3.max(data, (d) => d.age)]) .range([0, width]); const yscale = d3 .scaleLinear() - .domain([0, d3.max(data, d => d.weight)]) + .domain([0, d3.max(data, (d) => d.weight)]) .range([height, 0]); const xaxis = d3.axisBottom().scale(xscale); const yaxis = d3.axisLeft().scale(yscale); - g.append("g") - .classed("x.axis", true) - .attr("transform", `translate(0,${height})`) - .call(xaxis); - g.append("g") - .classed("y.axis", true) - .call(yaxis); + g.append("g").classed("x.axis", true).attr("transform", `translate(0,${height})`).call(xaxis); + g.append("g").classed("y.axis", true).call(yaxis); const group = g.append("g"); const marks = group .selectAll("circle") .data(data) .join( - enter => { + (enter) => { const marks_enter = enter.append("circle"); marks_enter.attr("r", 5).append("title"); return marks_enter; }, - update => update, - exit => exit.remove() + (update) => update, + (exit) => exit.remove() ); marks - .style("fill", d => color(d.gender)) - .attr("cx", d => xscale(d.age)) - .attr("cy", d => yscale(d.weight)); + .style("fill", (d) => color(d.gender)) + .attr("cx", (d) => xscale(d.age)) + .attr("cy", (d) => yscale(d.weight)); - marks.select("title").text(d => d.name); + marks.select("title").text((d) => d.name); diff --git a/examples/pie.html b/examples/pie.html index 19962a9..d44c43f 100644 --- a/examples/pie.html +++ b/examples/pie.html @@ -20,11 +20,7 @@

D3 Pie Example

const height = 600; // Creates sources element - const svg = d3 - .select("body") - .append("svg") - .attr("width", width) - .attr("height", height); + const svg = d3.select("body").append("svg").attr("width", width).attr("height", height); const g = svg.append("g").attr("transform", `translate(${width / 2}, ${height / 2})`); @@ -46,12 +42,7 @@

D3 Pie Example

const arcs = g .selectAll(".arc") .data(pied_data) - .join(enter => - enter - .append("path") - .attr("class", "arc") - .style("stroke", "white") - ); + .join((enter) => enter.append("path").attr("class", "arc").style("stroke", "white")); arcs.attr("d", arc).style("fill", (d, i) => color(i)); diff --git a/package-lock.json b/package-lock.json index 1ddd655..51d9673 100644 --- a/package-lock.json +++ b/package-lock.json @@ -59,9 +59,9 @@ } }, "@types/d3-brush": { - "version": "1.0.10", - "resolved": "https://registry.npmjs.org/@types/d3-brush/-/d3-brush-1.0.10.tgz", - "integrity": "sha512-J8jREATIrfJaAfhJivqaEKPnJsRlwwrOPje+ABqZFgamADjll+q9zaDXnYyjiGPPsiJEU+Qq9jQi5rECxIOfhg==", + "version": "1.1.0", + "resolved": "https://registry.npmjs.org/@types/d3-brush/-/d3-brush-1.1.0.tgz", + "integrity": "sha512-yz5Y94XpUARimOlLk+RWM1cZh1FrtmSGOyDQfCArsMa6kAnhjF3EserSTDnHAuVuNATMoTIOPHa7pjG2iTkPYA==", "dev": true, "requires": { "@types/d3-selection": "*" @@ -192,9 +192,9 @@ "dev": true }, "@types/d3-scale": { - "version": "2.1.1", - "resolved": "https://registry.npmjs.org/@types/d3-scale/-/d3-scale-2.1.1.tgz", - "integrity": "sha512-kNTkbZQ+N/Ip8oX9PByXfDLoCSaZYm+VUOasbmsa6KD850/ziMdYepg/8kLg2plHzoLANdMqPoYQbvExevLUHg==", + "version": "2.2.0", + "resolved": "https://registry.npmjs.org/@types/d3-scale/-/d3-scale-2.2.0.tgz", + "integrity": "sha512-oQFanN0/PiR2oySHfj+zAAkK1/p4LD32Nt1TMVmzk+bYHk7vgIg/iTXQWitp1cIkDw4LMdcgvO63wL+mNs47YA==", "dev": true, "requires": { "@types/d3-time": "*" @@ -240,9 +240,9 @@ "dev": true }, "@types/d3-transition": { - "version": "1.1.5", - "resolved": "https://registry.npmjs.org/@types/d3-transition/-/d3-transition-1.1.5.tgz", - "integrity": "sha512-4IexeQEmEk2u5/ZxqHPCiKxX+sn7uPsg+wb6zL3KLqj8jFlhcueAo3a5Tj1Z74VBeeeQjirdSFNtR87Gox/iwA==", + "version": "1.1.6", + "resolved": "https://registry.npmjs.org/@types/d3-transition/-/d3-transition-1.1.6.tgz", + "integrity": "sha512-/F+O2r4oz4G9ATIH3cuSCMGphAnl7VDx7SbENEK0NlI/FE8Jx2oiIrv0uTrpg7yF/AmuWbqp7AGdEHAPIh24Gg==", "dev": true, "requires": { "@types/d3-selection": "*" @@ -303,9 +303,9 @@ "dev": true }, "d3": { - "version": "5.15.0", - "resolved": "https://registry.npmjs.org/d3/-/d3-5.15.0.tgz", - "integrity": "sha512-C+E80SL2nLLtmykZ6klwYj5rPqB5nlfN5LdWEAVdWPppqTD8taoJi2PxLZjPeYT8FFRR2yucXq+kBlOnnvZeLg==", + "version": "5.15.1", + "resolved": "https://registry.npmjs.org/d3/-/d3-5.15.1.tgz", + "integrity": "sha512-Xu9gT6Lm0jH3wWJJSRomFwqnGGi3YAfWIfxNFl4++YVgYOjo3F8V2idAG3nJBgpZOkD0/RHPZX6F4k6tzgOvYw==", "requires": { "d3-array": "1", "d3-axis": "1", @@ -438,9 +438,9 @@ } }, "d3-format": { - "version": "1.4.3", - "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-1.4.3.tgz", - "integrity": "sha512-mm/nE2Y9HgGyjP+rKIekeITVgBtX97o1nrvHCWX8F/yBYyevUTvu9vb5pUnKwrcSw7o7GuwMOWjS9gFDs4O+uQ==" + "version": "1.4.4", + "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-1.4.4.tgz", + "integrity": "sha512-TWks25e7t8/cqctxCmxpUuzZN11QxIA7YrMbram94zMQ0PXjE4LVIMe/f6a4+xxL8HQ3OsAFULOINQi1pE62Aw==" }, "d3-geo": { "version": "1.11.9", @@ -594,9 +594,9 @@ "dev": true }, "follow-redirects": { - "version": "1.9.0", - "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.9.0.tgz", - "integrity": "sha512-CRcPzsSIbXyVDl0QI01muNDu69S8trU4jArW9LpOt2WtC6LyUJetcIrmfHsRBx7/Jb6GHJUiuqyYxPooFfNt6A==", + "version": "1.11.0", + "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.11.0.tgz", + "integrity": "sha512-KZm0V+ll8PfBrKwMzdo5D13b1bur9Iq9Zd/RMmAoQQcl2PxxFml8cxXPaaPYVbV0RjNjq1CU7zIzAOqtUPudmA==", "dev": true, "requires": { "debug": "^3.0.0" @@ -658,26 +658,18 @@ "dev": true }, "minimist": { - "version": "1.2.0", - "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz", - "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=", + "version": "1.2.5", + "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz", + "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==", "dev": true }, "mkdirp": { - "version": "0.5.1", - "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz", - "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=", + "version": "0.5.5", + "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz", + "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==", "dev": true, "requires": { - "minimist": "0.0.8" - }, - "dependencies": { - "minimist": { - "version": "0.0.8", - "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz", - "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=", - "dev": true - } + "minimist": "^1.2.5" } }, "ms": { @@ -722,15 +714,15 @@ } }, "prettier": { - "version": "1.19.1", - "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz", - "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==", + "version": "2.0.4", + "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.0.4.tgz", + "integrity": "sha512-SVJIQ51spzFDvh4fIbCLvciiDMCrRhlN3mbZvv/+ycjvmF5E73bKdGfU8QDLNmjYJf+lsGnDBC4UUnvTe5OO0w==", "dev": true }, "qs": { - "version": "6.9.1", - "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.1.tgz", - "integrity": "sha512-Cxm7/SS/y/Z3MHWSxXb8lIFqgqBowP5JMlTUFyJN88y0SGQhVmZnqFK/PeuMX9LzUyWsqqhNxIyg0jlzq946yA==", + "version": "6.9.3", + "resolved": "https://registry.npmjs.org/qs/-/qs-6.9.3.tgz", + "integrity": "sha512-EbZYNarm6138UKKq46tdx08Yo/q9ZhFoAXAI1meAFd2GtbRDhbZY2WQSICskT0c5q99aFzLG1D4nvTk9tqfXIw==", "dev": true }, "requires-port": { @@ -756,9 +748,9 @@ "dev": true }, "typescript": { - "version": "3.7.5", - "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.5.tgz", - "integrity": "sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==", + "version": "3.8.3", + "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.8.3.tgz", + "integrity": "sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==", "dev": true }, "union": { diff --git a/package.json b/package.json index 1d2dd8d..775e1a3 100644 --- a/package.json +++ b/package.json @@ -22,12 +22,12 @@ }, "homepage": "https://github.com/sgratzl/d3tutorial#readme", "dependencies": { - "d3": "^5.15.0" + "d3": "^5.15.1" }, "devDependencies": { "@types/d3": "^5.7.2", "http-server": "^0.12.1", - "prettier": "^1.19.1", - "typescript": "^3.7.5" + "prettier": "^2.0.4", + "typescript": "^3.8.3" } } diff --git a/web_modules/d3/README.md b/web_modules/d3/README.md index 0bdaab2..4fa9c4a 100644 --- a/web_modules/d3/README.md +++ b/web_modules/d3/README.md @@ -6,10 +6,10 @@ ## Resources +* [Introduction](https://observablehq.com/@d3/learn-d3) * [API Reference](https://github.com/d3/d3/blob/master/API.md) -* [Release Notes](https://github.com/d3/d3/releases) -* [Gallery](https://github.com/d3/d3/wiki/Gallery) -* [Examples](https://observablehq.com/@d3) +* [Releases](https://github.com/d3/d3/releases) +* [Examples](https://observablehq.com/@d3/gallery) * [Wiki](https://github.com/d3/d3/wiki) ## Installing diff --git a/web_modules/d3/dist/d3.js b/web_modules/d3/dist/d3.js index 275c955..95bc9a6 100644 --- a/web_modules/d3/dist/d3.js +++ b/web_modules/d3/dist/d3.js @@ -1,11 +1,11 @@ -// https://d3js.org v5.15.0 Copyright 2019 Mike Bostock +// https://d3js.org v5.15.1 Copyright 2020 Mike Bostock (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (global = global || self, factory(global.d3 = global.d3 || {})); }(this, function (exports) { 'use strict'; -var version = "5.15.0"; +var version = "5.15.1"; function ascending(a, b) { return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN; @@ -7448,19 +7448,20 @@ function formatLocale(locale) { } else { value = +value; + // Determine the sign. -0 is not less than 0, but 1 / -0 is! + var valueNegative = value < 0 || 1 / value < 0; + // Perform the initial formatting. - var valueNegative = value < 0; value = isNaN(value) ? nan : formatType(Math.abs(value), precision); // Trim insignificant zeros. if (trim) value = formatTrim(value); - // If a negative value rounds to zero during formatting, treat as positive. - if (valueNegative && +value === 0) valueNegative = false; + // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign. + if (valueNegative && +value === 0 && sign !== "+") valueNegative = false; // Compute the prefix and suffix. valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix; - valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? 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introducing the basic elements and concepts of D3. D3 stands for Data-Driven Documents and is a very popular JavaScript library written by [Mike Bostock](http://bost.ocks.org/mike/). +This is a short tutorial introducing the basic elements and concepts of D3. D3 stands for Data-Driven Documents and is a very popular JavaScript library written by [Mike Bostock](https://bost.ocks.org/mike/). Homepage: https://d3js.org/ @@ -21,7 +21,7 @@ Download / Include: ## Credits -This tutorial is based on the work of [Samuel Gratzl](https://github.com/sgratzl/d3tutorial), [Holger Stitz](https://github.com/thinkh/d3tutorial) and [Alexander Lex](https://dataviscourse.net/2016/tutorials/). +This tutorial is created and maintained by [Samuel Gratzl](https://github.com/sgratzl/d3tutorial), with contributions from [Holger Stitz](https://github.com/thinkh/d3tutorial), and based on a tutorial by [Alexander Lex](https://dataviscourse.net/2016/tutorials/). --- @@ -56,8 +56,12 @@ Extras - [More D3](#more-d3) - [D3 Boilerplate](#boilerplate) - [What Else Besides D3](#beside-d3) + +Appendix + - [TypeScript and D3][#typescript] + > SURVEY: What do you guys already know? --- @@ -66,7 +70,7 @@ Extras # Development Environment -Using a good development environment can save you time and prevent you from pain. Editors like [Visual Studio Code](https://code.visualstudio.com), [Sublime](http://www.sublimetext.com/), or [Atom](https://atom.io) are a good start. Fully fledged integrated development environments such as [WebStorm](https://www.jetbrains.com/webstorm/) or [Eclipse](http://www.eclipse.org/webtools/) may be complex at a first glance but provide a bunch of useful features. +Using a good development environment can save you time and prevent you from pain. Editors like [Visual Studio Code](https://code.visualstudio.com), [Sublime](https://www.sublimetext.com/), or [Atom](https://atom.io) are a good start. Fully fledged integrated development environments such as [WebStorm](https://www.jetbrains.com/webstorm/) or [Eclipse](https://www.eclipse.org/webtools/) may be complex at a first glance but provide a bunch of useful features. ## Chrome Developer Tools @@ -133,7 +137,7 @@ HTML elements can be nested: The opening tag of an element can contain extra information as attributes: ```html -A link to Google's main page +A link to Google's main page ``` The `a` element (which stood for "anchor") describes a link. The attribute `href` means "HTML reference". The meaning given to each attribute changes from element to element. @@ -187,7 +191,7 @@ Most important selectors explained in an example ```html - + CSS Example