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Merge pull request #4 from TorstenDittmann/feat-pass-proper-types-to-…
…svelte feat: pass proper types to svelte
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| <script context="module"> | ||
| export { default as Addition } from './tags/Addition.svelte'; | ||
| export { default as Multiply } from './tags/Multiply.svelte'; | ||
| export { default as Types } from './tags/Types.svelte'; | ||
| </script> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| <script lang="ts"> | ||
| export let string: string; | ||
| export let number: number; | ||
| export let boolean: boolean; | ||
| </script> | ||
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| <b>Types</b> | ||
| <p><b>{string}</b> is typeof <b>{typeof string}</b></p> | ||
| <p><b>{number}</b> is typeof <b>{typeof number}</b></p> | ||
| <p><b>{boolean}</b> is typeof <b>{typeof boolean}</b></p> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,5 @@ | ||
| {% addition a=4 b=4 /%} | ||
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| {% multiply a=3 b=8 /%} | ||
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| {% types string="lorem ipsum" number=123 boolean=true /%} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import { RenderableTreeNodes, Tag } from '@markdoc/markdoc'; | ||
| import { sanitize_for_svelte } from './transformer'; | ||
| import { escape } from 'html-escaper'; | ||
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| export function render_html(node: RenderableTreeNodes): string { | ||
| /** | ||
| * if the node is a string or number, it's a text node. | ||
| */ | ||
| if (typeof node === 'string' || typeof node === 'number') { | ||
| return sanitize_for_svelte(escape(String(node))); | ||
| } | ||
|
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| /** | ||
| * if the node is an array, render its items. | ||
| */ | ||
| if (Array.isArray(node)) { | ||
| return node.map(render_html).join(''); | ||
| } | ||
|
|
||
| /** | ||
| * if the node is not a Tag, it's invalid. | ||
| */ | ||
| if (node === null || typeof node !== 'object' || !Tag.isTag(node)) { | ||
| return ''; | ||
| } | ||
|
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| const { name, attributes, children = [] } = node; | ||
|
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| if (!name) { | ||
| return render_html(children); | ||
| } | ||
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| const is_svelte = is_svelte_component(node); | ||
|
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| /** | ||
| * add attributes to the tag. | ||
| */ | ||
| let output = `<${name}`; | ||
| for (const [key, value] of Object.entries(attributes ?? {})) { | ||
| if (is_svelte) { | ||
| output += ` ${key.toLowerCase()}=${generate_svelte_attribute_value( | ||
| value, | ||
| )}`; | ||
| } else { | ||
| output += ` ${key.toLowerCase()}="${sanitize_for_svelte( | ||
| escape(String(value)), | ||
| )}"`; | ||
| } | ||
| } | ||
| output += '>'; | ||
|
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| /** | ||
| * if the tag is a void element, it doesn't need a closing tag. | ||
| */ | ||
| if (is_void_element(name)) { | ||
| return output; | ||
| } | ||
|
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| /** | ||
| * render the children if present. | ||
| */ | ||
| if (children.length) { | ||
| output += render_html(children); | ||
| } | ||
|
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| /** | ||
| * close the tag. | ||
| */ | ||
| output += `</${name}>`; | ||
|
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| return output; | ||
| } | ||
|
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| function is_void_element(name: string): boolean { | ||
| return [ | ||
| 'area', | ||
| 'base', | ||
| 'br', | ||
| 'col', | ||
| 'embed', | ||
| 'hr', | ||
| 'img', | ||
| 'input', | ||
| 'link', | ||
| 'meta', | ||
| 'param', | ||
| 'source', | ||
| 'track', | ||
| 'wbr', | ||
| ].includes(name); | ||
| } | ||
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| function is_svelte_component(node: RenderableTreeNodes): boolean { | ||
| return Tag.isTag(node) && node.name.startsWith('INTERNAL__'); | ||
| } | ||
|
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| function generate_svelte_attribute_value(value: unknown): string { | ||
| switch (typeof value) { | ||
| case 'string': | ||
| return `"${sanitize_for_svelte(escape(String(value)))}"`; | ||
| case 'number': | ||
| case 'boolean': | ||
| return `{${String(value)}}`; | ||
| case 'object': | ||
| return `{${JSON.stringify(value)}}`; | ||
| default: | ||
| throw new Error(`Invalid attribute value: ${value}`); | ||
| } | ||
| } |
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