Automating UI development

Automating UI development

Design systems and pattern libraries help designers and developers to get a common understanding of user interfaces. But even with such tools in place, there's a ton of processes and handovers involved. Each one causing possible friction and information loss. Especially over time. This might lead to new features feeling outdated on release, and screens and mock-ups getting too old too fast.

With our recent move to Angular and Sketch, we were able to automate 70% of our UI development. Helping our developers to focus on the real problems, and reducing the UI review efforts tremendously. Join us and see how we produce a single source of truth for developers and designers, and how we are able to consume this source in our tool of choice.

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Stefan Baumgartner

November 06, 2018
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    .sketch is bunch of JSON files library.sketch ʮ pages ʮ

    D91775B4-2C6C-4FCC-9209-6D8C930B9013.json ʮ document.json ʮ meta.json ʮ user.json
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    .sketch is bunch of JSON files library.sketch ʮ pages ʮ

    D91775B4-2C6C-4FCC-9209-6D8C930B9013.json ʮ document.json ʮ meta.json ʮ user.json We can hack that!
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    CSS equivalents in .sketch JSON button { width: 122px; height:

    32px; background-color: #00f; } ShapeGroup: { frame: {x: 0, y: 0, width: 122, height: 32} layers: [ ShapePath: { points: [‘{0,0}’,‘{0,1}’,‘{1,1}’,‘{1,0}’] } ], style: { fills: [ color: { red: 0, green: 0, blue: 1, alpha: 1 } ] } }
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    CSS equivalents in .sketch JSON button { width: 122px; height:

    32px; background-color: #00f; } ShapeGroup: { frame: {x: 0, y: 0, width: 122, height: 32} layers: [ ShapePath: { points: [‘{0,0}’,‘{0,1}’,‘{1,1}’,‘{1,0}’] } ], style: { fills: [ color: { red: 0, green: 0, blue: 1, alpha: 1 } ] } }
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    { "_class": "page", "do_objectID": "6224EB85-9573-4D33-BEE5-C57F892B94E4", "exportOptions": { "_class": "exportOptions", "exportFormats":

    [], "includedLayerIds": [], "layerOptions": 0, "shouldTrim": false }, "frame": { "_class": "rect", "constrainProportions": false, "height": 300, "width": 300, "x": 0, "y": 0 }, "isFlippedHorizontal": false, CSS equivalents in .sketch JSON button { width: 122px; height: 32px; background-color: #00f; }
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    parsable properties export class StyleDeclaration { borderTop = '0px none

    rgb(0, 0, 0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; }
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    parsable properties export class StyleDeclaration { borderTop = '0px none

    rgb(0, 0, 0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; }
  25. 52.

    parsable properties export class StyleDeclaration { borderTop = '0px none

    rgb(0, 0, 0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; }
  26. 53.

    parsable properties export class StyleDeclaration { borderTop = '0px none

    rgb(0, 0, 0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; }
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    parsable properties export class StyleDeclaration { borderTop = '0px none

    rgb(0, 0, 0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; }
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    parsable properties export class StyleDeclaration { borderTop = '0px none

    rgb(0, 0, 0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; }
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    parsable properties export class StyleDeclaration { borderTop = '0px none

    rgb(0, 0, 0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; }
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    export class StyleDeclaration { borderTop = '0px none rgb(0, 0,

    0)’; borderLeft = '0px none rgb(0, 0, 0)’; borderBottom = '0px none rgb(0, 0, 0)'; borderRight = '0px none rgb(0, 0, 0)'; borderColor = 'rgb(0, 0, 0)'; borderTopLeftRadius = '0px'; borderTopRightRadius = '0px'; borderBottomRightRadius = '0px'; borderBottomLeftRadius = '0px'; borderWidth = '0px'; boxShadow = 'none'; padding = '0px'; backgroundImage = ‘none'; backgroundColor = 'rgba(0, 0, 0, 0)’; color = 'rgb(0, 0, 0)'; fill = 'rgb(0, 0, 0)’; strokeWidth = '1px'; fontFamily = 'Helvetica Neue'; fontSize = '16px'; fontStyle = 'normal'; fontWeight = '400'; letterSpacing = ‘normal'; whiteSpace = ‘normal'; lineHeight = 'normal'; textDecoration = 'none solid rgb(0, 0, 0)'; textAlign = 'start'; textTransform = 'none'; transform = 'none'; opacity = ‘1'; display = ‘block'; visibility = 'visible'; } “browser stylesheet”
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    CSS+HTML to Sketch <button …> + CSSStyleDeclaration <div …> +

    CSSStyleDeclaration <h1> + CSSStyleDeclaration … … "frame": { "_class": "rect", "constrainProportions": false, "height": 44, "width": 764, "x": 0, "y": 0 }, … .json
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    Generate CSS Declaration files CSS scraper <button …> ➡ getComputedStyle()

    ➡ getBoundingClientRect() <div …> ➡ getComputedStyle() ➡ getBoundingClientRect()
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    Generate CSS Declaration files CSS scraper <button …> ➡ getComputedStyle()

    ➡ getBoundingClientRect() <div …> ➡ getComputedStyle() ➡ getBoundingClientRect() <h1> ➡ getComputedStyle() ➡ getBoundingClientRect() …
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    Generate CSS Declaration files CSS scraper <button …> ➡ getComputedStyle()

    ➡ getBoundingClientRect() <div …> ➡ getComputedStyle() ➡ getBoundingClientRect() <h1> ➡ getComputedStyle() ➡ getBoundingClientRect() … <button …> + CSSStyleDeclaration <div …> + CSSStyleDeclaration <h1> + CSSStyleDeclaration …
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    Generate CSS Declaration files CSS scraper <button …> ➡ getComputedStyle()

    ➡ getBoundingClientRect() <div …> ➡ getComputedStyle() ➡ getBoundingClientRect() <h1> ➡ getComputedStyle() ➡ getBoundingClientRect() …
  36. 79.

    A ‘pure’ example and component variants TS Angular component lib

    @Component({ moduleId: module.id, template: `<button dt-button>Simple button</button>`, }) export class ButtonPureExampleComponent { } examples
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    A ‘pure’ example and component variants TS Angular component lib

    @Component({ moduleId: module.id, template: `<button dt-button>Simple button</button>`, }) export class ButtonPureExampleComponent { } examples
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    A ‘pure’ example and component variants TS Angular component lib

    @Component({ moduleId: module.id, template: `<button dt-button>Simple button</button>`, }) export class ButtonPureExampleComponent { } examples variants
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    A ‘pure’ example and component variants TS Angular component lib

    @Component({ moduleId: module.id, template: `<button dt-button>Simple button</button>`, }) export class ButtonPureExampleComponent { } @Component({ selector: `button[dt-button], button[dt-icon-button]`, templateUrl: 'button.html', }) export class DtButton extends … { @Input() get variant(): ‘primary’ | ‘secondary’ { return this._variant; } } examples variants
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    A ‘pure’ example and component variants TS Angular component lib

    @Component({ moduleId: module.id, template: `<button dt-button>Simple button</button>`, }) export class ButtonPureExampleComponent { } @Component({ selector: `button[dt-button], button[dt-icon-button]`, templateUrl: 'button.html', }) export class DtButton extends … { @Input() get variant(): ‘primary’ | ‘secondary’ { return this._variant; } } examples variants
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    A ‘pure’ example and component variants TS Angular component lib

    @Component({ moduleId: module.id, template: `<button dt-button>Simple button</button>`, }) export class ButtonPureExampleComponent { } @Component({ selector: `button[dt-button], button[dt-icon-button]`, templateUrl: 'button.html', }) export class DtButton extends … { @Input() get variant(): ‘primary’ | ‘secondary’ { return this._variant; } } examples variants
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    A ‘pure’ example and component variants TS Angular component lib

    @Component({ moduleId: module.id, template: `<button dt-button>Simple button</button>`, }) export class ButtonPureExampleComponent { } @Component({ selector: `button[dt-button], button[dt-icon-button]`, templateUrl: 'button.html', }) export class DtButton extends … { @Input() get variant(): ‘primary’ | ‘secondary’ { return this._variant; } } examples variants
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    Transform Angular to Sketch Angular library Sketch library CSSDecl json

    Sketch Generator App CSS scraper Library App generator
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