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Lens app source code (#119)
Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>
This commit is contained in:
Jari Kolehmainen authored and 
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@@ -0,0 +1,2 @@
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export * from './input'
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export * from './search-input'
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@@ -0,0 +1,109 @@
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.Input {
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position: relative;
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text-align: left;
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&.invalid.dirty:not(.validating) {
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label:after {
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width: 100%;
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background: $colorError;
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}
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}
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&.focused:not(.validating) {
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label:after {
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width: 100%;
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}
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}
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&.validatingLine {
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label:after {
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width: 100%;
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@include stripeLinesAnimation;
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}
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}
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label {
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--flex-gap: #{$padding / 1.5};
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position: relative;
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padding: $padding /4 * 3 0;
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border-bottom: 1px solid $halfGray;
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&:after {
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content: "";
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position: absolute;
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top: calc(100% - 1px);
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left: 50%;
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transform: translateX(-50%);
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width: 0;
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height: 2px;
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background: $primary;
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transition: width 250ms;
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}
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}
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input, textarea {
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background: none;
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color: inherit;
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font: inherit;
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text-align: inherit;
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text-transform: inherit;
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&:invalid {
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box-shadow: none;
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}
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&::placeholder {
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color: inherit;
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opacity: .75;
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}
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}
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textarea {
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@include hidden-scrollbar;
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line-height: 1.2;
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resize: none;
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}
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fieldset:disabled &,
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&.disabled {
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opacity: .5;
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pointer-events: none;
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}
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.input-info {
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.errors {
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color: var(color-error);
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font-size: $font-size-small;
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}
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.maxLengthIndicator {
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text-align: right;
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font-size: 80%;
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padding: $padding / 3;
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}
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}
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//- Themes
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&.theme {
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&.round-black {
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label {
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background: $mainBackground;
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border: 1px solid $borderFaintColor;
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border-radius: $radius;
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padding: $padding;
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&:focus-within {
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border: 2px solid $colorInfo;
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padding: $padding - 1;
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}
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&:after {
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display: none;
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}
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}
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}
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}
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}
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@@ -0,0 +1,297 @@
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import "./input.scss";
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import React, { DOMAttributes, InputHTMLAttributes, TextareaHTMLAttributes } from "react";
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import { autobind, cssNames, debouncePromise } from "../../utils";
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import { Icon } from "../icon";
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import { conditionalValidators, Validator } from "./input.validators";
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import isString from "lodash/isString"
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import isFunction from "lodash/isFunction"
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import isBoolean from "lodash/isBoolean"
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import uniqueId from "lodash/uniqueId"
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type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>
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type InputElement = HTMLInputElement | HTMLTextAreaElement;
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type InputElementProps = InputHTMLAttributes<InputElement> & TextareaHTMLAttributes<InputElement> & DOMAttributes<InputElement>;
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export type InputProps<T = string> = Omit<InputElementProps, "onChange"> & {
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theme?: "round-black";
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className?: string;
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value?: T;
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multiLine?: boolean; // use text-area as input field
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maxRows?: number; // when multiLine={true} define max rows size
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dirty?: boolean; // show validation errors even if the field wasn't touched yet
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showValidationLine?: boolean; // show animated validation line for async validators
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iconLeft?: string | React.ReactNode; // material-icon name in case of string-type
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iconRight?: string | React.ReactNode;
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validators?: Validator | Validator[];
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onChange?(value: T, evt: React.ChangeEvent<InputElement>): void;
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}
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interface State {
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focused?: boolean;
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dirty?: boolean;
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dirtyOnBlur?: boolean;
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valid?: boolean;
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validating?: boolean;
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errors?: React.ReactNode[];
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}
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const defaultProps: Partial<InputProps> = {
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rows: 1,
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maxRows: 10000,
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showValidationLine: true,
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validators: [],
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}
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export class Input extends React.Component<InputProps, State> {
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static defaultProps = defaultProps as object;
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public input: InputElement;
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public validators: Validator[] = [];
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public state: State = {
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dirty: !!this.props.dirty,
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valid: true,
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errors: [],
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}
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setValue(value: string) {
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if (value !== this.getValue()) {
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const nativeInputValueSetter = Object.getOwnPropertyDescriptor(this.input.constructor.prototype, "value").set;
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nativeInputValueSetter.call(this.input, value);
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const evt = new Event("input", { bubbles: true });
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this.input.dispatchEvent(evt);
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}
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}
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getValue(): string {
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const { value, defaultValue = "" } = this.props;
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if (value !== undefined) return value; // controlled input
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if (this.input) return this.input.value; // uncontrolled input
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return defaultValue as string;
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}
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focus() {
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this.input.focus();
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}
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blur() {
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this.input.blur();
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}
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select() {
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this.input.select()
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}
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private autoFitHeight() {
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const { multiLine, rows, maxRows } = this.props;
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if (!multiLine) {
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return;
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}
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const textArea = this.input;
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const lineHeight = parseFloat(window.getComputedStyle(textArea).lineHeight);
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const rowsCount = (this.getValue().match(/\n/g) || []).length + 1;
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const height = lineHeight * Math.min(Math.max(rowsCount, rows), maxRows);
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textArea.style.height = height + "px";
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}
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private validationId: string;
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async validate(value = this.getValue()) {
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let validationId = (this.validationId = ""); // reset every time for async validators
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const asyncValidators: Promise<any>[] = [];
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let errors: React.ReactNode[] = [];
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// run validators
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for (const validator of this.validators) {
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if (errors.length) {
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// stop validation check if there is an error already
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break;
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}
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const result = validator.validate(value, this.props);
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if (isBoolean(result) && !result) {
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errors.push(this.getValidatorError(value, validator));
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}
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else if (result instanceof Promise) {
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if (!validationId) {
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this.validationId = validationId = uniqueId("validation_id_");
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}
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asyncValidators.push(
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result.then(
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() => null, // don't consider any valid result from promise since we interested in errors only
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error => this.getValidatorError(value, validator) || error
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)
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);
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}
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}
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// save sync validators result first
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this.setValidation(errors);
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// handle async validators result
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if (asyncValidators.length > 0) {
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this.setState({ validating: true, valid: false, });
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const asyncErrors = await Promise.all(asyncValidators);
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const isLastValidationCheck = this.validationId === validationId;
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if (isLastValidationCheck) {
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errors = this.state.errors.concat(asyncErrors.filter(err => err));
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this.setValidation(errors);
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}
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}
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this.input.setCustomValidity(errors.length ? errors[0].toString() : "");
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}
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setValidation(errors: React.ReactNode[]) {
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this.setState({
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validating: false,
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valid: !errors.length,
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errors: errors,
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});
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}
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private getValidatorError(value: string, { message }: Validator) {
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if (isFunction(message)) return message(value, this.props)
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return message || "";
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}
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private setupValidators() {
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this.validators = conditionalValidators
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// add conditional validators if matches input props
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.filter(validator => validator.condition(this.props))
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// add custom validators
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.concat(this.props.validators)
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// debounce async validators
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.map(({ debounce, ...validator }) => {
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if (debounce) validator.validate = debouncePromise(validator.validate, debounce);
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return validator;
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});
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// run validation
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this.validate();
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}
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setDirty(dirty = true) {
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if (this.state.dirty === dirty) return;
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this.setState({ dirty });
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}
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@autobind()
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onFocus(evt: React.FocusEvent<InputElement>) {
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const { onFocus } = this.props;
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if (onFocus) onFocus(evt);
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this.setState({ focused: true });
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}
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@autobind()
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onBlur(evt: React.FocusEvent<InputElement>) {
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const { onBlur } = this.props;
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if (onBlur) onBlur(evt);
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if (this.state.dirtyOnBlur) this.setState({ dirty: true, dirtyOnBlur: false });
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this.setState({ focused: false });
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}
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@autobind()
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onChange(evt: React.ChangeEvent<any>) {
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if (this.props.onChange) {
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this.props.onChange(evt.currentTarget.value, evt);
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}
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this.validate();
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this.autoFitHeight();
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// mark input as dirty for the first time only onBlur() to avoid immediate error-state show when start typing
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if (!this.state.dirty) this.setState({ dirtyOnBlur: true });
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// re-render component when used as uncontrolled input
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// when used @defaultValue instead of @value changing real input.value doesn't call render()
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if (this.isUncontrolled && this.showMaxLenIndicator) {
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this.forceUpdate();
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}
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}
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get showMaxLenIndicator() {
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const { maxLength, multiLine } = this.props;
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return maxLength && multiLine;
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}
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get isUncontrolled() {
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return this.props.value === undefined;
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}
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componentDidMount() {
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this.setupValidators();
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this.autoFitHeight();
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}
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componentDidUpdate(prevProps: InputProps) {
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const { defaultValue, value, dirty, validators } = this.props;
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if (prevProps.value !== value || defaultValue !== prevProps.defaultValue) {
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this.validate();
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this.autoFitHeight();
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}
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if (prevProps.dirty !== dirty) {
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this.setDirty(dirty);
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}
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if (prevProps.validators !== validators) {
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this.setupValidators();
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}
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}
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@autobind()
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bindRef(elem: InputElement) {
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this.input = elem;
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}
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render() {
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const { multiLine, showValidationLine, validators, theme, maxRows, children, ...inputProps } = this.props;
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let { className, iconLeft, iconRight } = this.props;
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const { maxLength, rows, disabled } = this.props;
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const { focused, dirty, valid, validating, errors } = this.state;
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className = cssNames("Input", className, {
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[`theme ${theme}`]: theme,
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focused: focused,
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disabled: disabled,
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invalid: !valid,
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dirty: dirty,
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validating: validating,
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validatingLine: validating && showValidationLine,
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});
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// normalize icons
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if (isString(iconLeft)) iconLeft = <Icon material={iconLeft}/>
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if (isString(iconRight)) iconRight = <Icon material={iconRight}/>
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// prepare input props
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Object.assign(inputProps, {
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className: "input box grow",
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onFocus: this.onFocus,
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onBlur: this.onBlur,
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onChange: this.onChange,
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rows: multiLine ? (rows || 1) : null,
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ref: this.bindRef,
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});
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return (
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<div className={className}>
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<label className="input-area flex gaps align-center">
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{iconLeft}
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{multiLine ? <textarea {...inputProps as any}/> : <input {...inputProps as any}/>}
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{iconRight}
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</label>
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<div className="input-info flex gaps">
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{!valid && dirty && (
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<div className="errors box grow">
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{errors.map((error, i) => <p key={i}>{error}</p>)}
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</div>
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)}
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{this.showMaxLenIndicator && (
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<div className="maxLengthIndicator box right">
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{this.getValue().length} / {maxLength}
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</div>
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)}
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</div>
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</div>
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);
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}
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}
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@@ -0,0 +1,68 @@
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import { ReactNode } from "react";
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import { t } from "@lingui/macro";
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import { InputProps } from "./input";
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import { _i18n } from '../../i18n';
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export interface Validator {
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debounce?: number; // debounce for async validators in ms
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condition?(props: InputProps): boolean; // auto-bind condition depending on input props
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message?: ReactNode | ((value: string, props?: InputProps) => ReactNode | string);
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validate(value: string, props?: InputProps): boolean | Promise<any>; // promise can throw error message
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}
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export const isRequired: Validator = {
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condition: ({ required }) => required,
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message: () => _i18n._(t`This field is required`),
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validate: value => !!value.trim(),
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};
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export const isEmail: Validator = {
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condition: ({ type }) => type === "email",
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message: () => _i18n._(t`Wrong email format`),
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validate: value => !!value.match(/^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/),
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};
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export const isNumber: Validator = {
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condition: ({ type }) => type === "number",
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message: () => _i18n._(t`Invalid number`),
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validate: (value, { min, max }) => {
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const numVal = +value;
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return !(
|
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isNaN(numVal) ||
|
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(min != null && numVal < min) ||
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(max != null && numVal > max)
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)
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},
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||||
};
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||||
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export const isUrl: Validator = {
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condition: ({ type }) => type === "url",
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message: () => _i18n._(t`Wrong url format`),
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validate: value => !!value.match(/^(?:http(s)?:\/\/)?[\w.-]+(?:\.[\w\.-]+)+[\w\-\._~:/?#[\]@!\$&'\(\)\*\+,;=.]+$/),
|
||||
};
|
||||
|
||||
export const minLength: Validator = {
|
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condition: ({ minLength }) => !!minLength,
|
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message: (value, { minLength }) => _i18n._(t`Minimum length is ${minLength}`),
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validate: (value, { minLength }) => value.length >= minLength,
|
||||
};
|
||||
|
||||
export const maxLength: Validator = {
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condition: ({ maxLength }) => !!maxLength,
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message: (value, { maxLength }) => _i18n._(t`Maximum length is ${maxLength}`),
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validate: (value, { maxLength }) => value.length <= maxLength,
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};
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export const systemName: Validator = {
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message: () => _i18n._(t`This field must contain only lowercase latin characters, numbers and dash.`),
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validate: value => !!value.match(/^[a-z0-9-]+$/),
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||||
};
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||||
|
||||
export const accountId: Validator = {
|
||||
message: () => _i18n._(t`Invalid account ID`),
|
||||
validate: value => (isEmail.validate(value) || systemName.validate(value))
|
||||
};
|
||||
|
||||
export const conditionalValidators = [
|
||||
isRequired, isEmail, isNumber, isUrl, minLength, maxLength
|
||||
];
|
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@@ -0,0 +1,30 @@
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.Input.SearchInput {
|
||||
--compact-focus-width: 190px;
|
||||
|
||||
max-width: 900px;
|
||||
min-width: 220px;
|
||||
|
||||
> label {
|
||||
color: inherit;
|
||||
border-radius: $radius;
|
||||
padding: $padding / 1.33 $padding * 1.25;
|
||||
}
|
||||
|
||||
&.compact {
|
||||
min-width: 0;
|
||||
|
||||
.input {
|
||||
transition: width 150ms;
|
||||
|
||||
&:placeholder-shown:not(:focus) {
|
||||
transition-duration: 100ms;
|
||||
width: 0;
|
||||
margin: 0;
|
||||
}
|
||||
|
||||
&:focus, &:not(:placeholder-shown) {
|
||||
width: var(--compact-focus-width);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,81 @@
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import "./search-input.scss";
|
||||
|
||||
import React from "react";
|
||||
import debounce from "lodash/debounce"
|
||||
import { autorun, observable } from "mobx";
|
||||
import { disposeOnUnmount, observer } from "mobx-react";
|
||||
import { t } from "@lingui/macro";
|
||||
import { Icon } from "../icon";
|
||||
import { cssNames } from "../../utils";
|
||||
import { Input, InputProps } from "../input";
|
||||
import { getSearch, setSearch } from "../../navigation";
|
||||
import { _i18n } from '../../i18n';
|
||||
|
||||
interface Props extends InputProps {
|
||||
compact?: boolean; // show only search-icon when not focused
|
||||
}
|
||||
|
||||
const defaultProps: Partial<Props> = {
|
||||
autoFocus: true,
|
||||
get placeholder() {
|
||||
return _i18n._(t`Search...`)
|
||||
},
|
||||
}
|
||||
|
||||
@observer
|
||||
export class SearchInput extends React.Component<Props> {
|
||||
static defaultProps = defaultProps as object;
|
||||
|
||||
@observable inputVal: string;
|
||||
|
||||
@disposeOnUnmount
|
||||
updateInput = autorun(() => this.inputVal = getSearch())
|
||||
updateUrl = debounce((val: string) => setSearch(val), 250)
|
||||
|
||||
setValue = (value: string) => {
|
||||
this.inputVal = value;
|
||||
this.updateUrl(value);
|
||||
}
|
||||
|
||||
clear = () => {
|
||||
this.setValue("");
|
||||
this.updateUrl.flush();
|
||||
}
|
||||
|
||||
onChange = (val: string, evt: React.ChangeEvent<any>) => {
|
||||
this.setValue(val);
|
||||
if (this.props.onChange) {
|
||||
this.props.onChange(val, evt);
|
||||
}
|
||||
}
|
||||
|
||||
onKeyDown = (evt: React.KeyboardEvent<any>) => {
|
||||
if (this.props.onKeyDown) {
|
||||
this.props.onKeyDown(evt);
|
||||
}
|
||||
// clear on escape-key
|
||||
const escapeKey = evt.nativeEvent.code === "Escape";
|
||||
if (escapeKey) {
|
||||
this.clear();
|
||||
evt.stopPropagation();
|
||||
}
|
||||
}
|
||||
|
||||
render() {
|
||||
const { inputVal } = this;
|
||||
const { className, compact, ...inputProps } = this.props;
|
||||
const icon = inputVal
|
||||
? <Icon small material="close" onClick={this.clear}/>
|
||||
: <Icon small material="search"/>
|
||||
return (
|
||||
<Input
|
||||
{...inputProps}
|
||||
className={cssNames("SearchInput", className, { compact })}
|
||||
value={inputVal}
|
||||
onChange={this.onChange}
|
||||
onKeyDown={this.onKeyDown}
|
||||
iconRight={icon}
|
||||
/>
|
||||
)
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user