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main.ts
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main.ts
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import { App, Plugin, PluginSettingTab, Setting } from "obsidian";
import { ViewUpdate, PluginValue, ViewPlugin } from "@codemirror/view";
import { debounce, collectSizeArbitraryValues } from "./helpers";
interface ImageResizerSettings {
supportArbitaryWidth: boolean;
}
const DEFAULT_SETTINGS: ImageResizerSettings = {
supportArbitaryWidth: false,
};
export default class MyPlugin extends Plugin {
settings: ImageResizerSettings;
addStyle() {
const css = document.createElement("style");
css.id = "image-resizer";
document.getElementsByTagName("head")[0].appendChild(css);
// add the main class
document.body.classList.add("image-resizer");
}
updateStyle() {
const el = document.getElementById("image-resizer");
if (!el) {
throw "image resizer element is not found";
}
el.innerHTML = `
body.image-resizer{--line-width:40rem;--max-width:88%;--content-margin:auto;--content-margin-start:max();--content-line-width:min()}body.image-resizer .markdown-preview-view .markdown-preview-sizer.markdown-preview-sizer{max-width:100%;margin-inline:auto;width:100%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-content,body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-sizer{max-width:100%;width:100%}body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div,body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div,body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-sizer>.inline-title,body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-sizer>.embedded-backlinks,body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-sizer>.metadata-container{max-width:var(--max-width);width:var(--line-width);margin-inline:var(--content-margin) !important}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>*:not(div){max-width:var(--content-line-width);margin-inline-start:var(--content-margin-start) !important}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content,body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer{--image-resizer-containar-width:100%;--image-resizer-max-width:100%;--image-resizer-position:center;--image-resizer-border-radius:0}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>.image-embed,body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>.image-embed,body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div:has(.image-embed),body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div:has(.image-embed){text-align:var(--image-resizer-position, 'center')}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>.image-embed img,body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>.image-embed img,body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div:has(.image-embed) img,body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div:has(.image-embed) img{max-width:var(--image-resizer-max-width, '100%');border-radius:var(--image-resizer-border-radius, '0px')}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="full"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="full"]{width:100%;max-width:100%;--image-resizer-max-width:100%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="wide"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="wide"]{width:88%;max-width:88%;--image-resizer-max-width:100%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="fit"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="fit"]{--image-resizer-max-width:80%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="half"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="half"]{--image-resizer-max-width:50%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="1/2"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="1/2"]{--image-resizer-max-width:50%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="2/3"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="2/3"]{--image-resizer-max-width:width: 66.66666666666667%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="3/5"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="3/5"]{--image-resizer-max-width:60%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="4/5"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="4/5"]{--image-resizer-max-width:80%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="5/6"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="5/6"]{--image-resizer-max-width:83.33333333%}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="center"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="center"]{--image-resizer-position:center}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="left"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="left"]{--image-resizer-position:left}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="right"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="right"]{--image-resizer-position:right}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="rounded"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="rounded"]{--image-resizer-border-radius:10px}body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer>.cm-content>div[alt~="rounded-full"],body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer>div[alt~="rounded-full"]{--image-resizer-border-radius:9999px}body:not(.zoom-off) .view-content .image-embed:not(.canvas-node-content):active{width:var(--image-resizer-containar-width, '100%') !important;max-width:var(--image-resizer-containar-width, '100%') !important}body:not(.zoom-off) .view-content .image-embed:not(.canvas-node-content):active img{aspect-ratio:unset;top:50%;z-index:99;transform:translateY(-50%);padding:0;margin:0 auto;width:calc(100% - 20px) !important;max-width:calc(100% - 20px) !important;max-height:95vh;object-fit:contain;left:0;right:0;bottom:0;position:absolute;opacity:1;border-radius:0px !important}
`;
}
async onload() {
await this.loadSettings();
this.addStyle();
this.updateStyle();
this.addSettingTab(new ImageResizerSetting(this.app, this));
}
async loadSettings() {
this.settings = Object.assign(
{},
DEFAULT_SETTINGS,
await this.loadData()
);
}
async saveSettings() {
await this.saveData(this.settings);
}
triggerAribitaryValueUpdate() {
const isSupportArbitaryWidth = this.settings.supportArbitaryWidth;
// FIXME: How to disable the plugin?
isSupportArbitaryWidth &&
this.registerEditorExtension([ArbitaryValuePlugin]);
}
}
const appendedArbitaryValues: string[] = [];
class ArbitaryValuePluginSource implements PluginValue {
update(update: ViewUpdate) {
const {
state: { doc },
} = update;
// @ts-ignore
const { text } = doc ?? {};
if (!text?.length) {
return;
}
debounce(() => {
const arbitaryValues = collectSizeArbitraryValues(text);
arbitaryValues.forEach((value) => {
if (!appendedArbitaryValues.includes(value)) {
this.updateStyle(value);
appendedArbitaryValues.push(value);
}
});
}, 1000)();
}
updateStyle(width: string) {
const el = document.getElementById("image-resizer");
if (!el) {
throw "image resizer element is not found";
}
el.innerHTML =
el.innerHTML +
`
body.image-resizer .markdown-source-view.mod-cm6.is-readable-line-width .cm-contentContainer.cm-contentContainer > .cm-content > div[alt~="w-${width}"],
body.image-resizer .markdown-preview-view.is-readable-line-width .markdown-preview-sizer > div[alt~="w-${width}"] {
width: 100%;
max-width: 100%;
--image-resizer-max-width: ${width}px;
}
`;
}
}
export const ArbitaryValuePlugin = ViewPlugin.fromClass(
ArbitaryValuePluginSource
);
class ImageResizerSetting extends PluginSettingTab {
plugin: MyPlugin;
constructor(app: App, plugin: MyPlugin) {
super(app, plugin);
this.plugin = plugin;
}
display(): void {
const { containerEl } = this;
containerEl.empty();
containerEl.createEl("h3", { text: "Image Resizer Settings" });
const mainDesc = containerEl.createEl("p");
mainDesc.appendText("For help, ");
mainDesc.appendChild(
createEl("a", {
text: "see documentation",
href: "https://github.com/maoxiaoke/image-resizer",
})
);
mainDesc.appendText(" or join ");
mainDesc.appendChild(
createEl("strong", {
text: "#minimal",
})
);
mainDesc.appendText(" in the ");
mainDesc.appendChild(
createEl("a", {
text: "Obsidian Image Resizer Discord Channel",
href: "https://discord.gg/gFZYfTQD",
})
);
mainDesc.appendText(" community.");
new Setting(containerEl)
.setName("Support arbitary width")
.setDesc("Whether width value like w-xx is supported")
.addToggle((toggle) =>
toggle
?.setValue(this.plugin.settings.supportArbitaryWidth)
.onChange(async (value) => {
this.plugin.settings.supportArbitaryWidth = value;
this.plugin.saveData(this.plugin.settings);
this.plugin.triggerAribitaryValueUpdate;
})
);
}
}