@responsive-ui/textarea
Version:
A textarea component of responsive-ui.
740 lines (703 loc) • 24.3 kB
JavaScript
var Textarea = (function () {
'use strict';
function noop() { }
function assign(tar, src) {
// @ts-ignore
for (const k in src)
tar[k] = src[k];
return tar;
}
function run(fn) {
return fn();
}
function blank_object() {
return Object.create(null);
}
function run_all(fns) {
fns.forEach(run);
}
function is_function(thing) {
return typeof thing === 'function';
}
function safe_not_equal(a, b) {
return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');
}
function is_empty(obj) {
return Object.keys(obj).length === 0;
}
function create_slot(definition, ctx, $$scope, fn) {
if (definition) {
const slot_ctx = get_slot_context(definition, ctx, $$scope, fn);
return definition[0](slot_ctx);
}
}
function get_slot_context(definition, ctx, $$scope, fn) {
return definition[1] && fn
? assign($$scope.ctx.slice(), definition[1](fn(ctx)))
: $$scope.ctx;
}
function get_slot_changes(definition, $$scope, dirty, fn) {
if (definition[2] && fn) {
const lets = definition[2](fn(dirty));
if ($$scope.dirty === undefined) {
return lets;
}
if (typeof lets === 'object') {
const merged = [];
const len = Math.max($$scope.dirty.length, lets.length);
for (let i = 0; i < len; i += 1) {
merged[i] = $$scope.dirty[i] | lets[i];
}
return merged;
}
return $$scope.dirty | lets;
}
return $$scope.dirty;
}
function update_slot_base(slot, slot_definition, ctx, $$scope, slot_changes, get_slot_context_fn) {
if (slot_changes) {
const slot_context = get_slot_context(slot_definition, ctx, $$scope, get_slot_context_fn);
slot.p(slot_context, slot_changes);
}
}
function get_all_dirty_from_scope($$scope) {
if ($$scope.ctx.length > 32) {
const dirty = [];
const length = $$scope.ctx.length / 32;
for (let i = 0; i < length; i++) {
dirty[i] = -1;
}
return dirty;
}
return -1;
}
function exclude_internal_props(props) {
const result = {};
for (const k in props)
if (k[0] !== '$')
result[k] = props[k];
return result;
}
function compute_rest_props(props, keys) {
const rest = {};
keys = new Set(keys);
for (const k in props)
if (!keys.has(k) && k[0] !== '$')
rest[k] = props[k];
return rest;
}
function append(target, node) {
target.appendChild(node);
}
function insert(target, node, anchor) {
target.insertBefore(node, anchor || null);
}
function detach(node) {
node.parentNode.removeChild(node);
}
function element(name) {
return document.createElement(name);
}
function text(data) {
return document.createTextNode(data);
}
function space() {
return text(' ');
}
function listen(node, event, handler, options) {
node.addEventListener(event, handler, options);
return () => node.removeEventListener(event, handler, options);
}
function attr(node, attribute, value) {
if (value == null)
node.removeAttribute(attribute);
else if (node.getAttribute(attribute) !== value)
node.setAttribute(attribute, value);
}
function set_attributes(node, attributes) {
// @ts-ignore
const descriptors = Object.getOwnPropertyDescriptors(node.__proto__);
for (const key in attributes) {
if (attributes[key] == null) {
node.removeAttribute(key);
}
else if (key === 'style') {
node.style.cssText = attributes[key];
}
else if (key === '__value') {
node.value = node[key] = attributes[key];
}
else if (descriptors[key] && descriptors[key].set) {
node[key] = attributes[key];
}
else {
attr(node, key, attributes[key]);
}
}
}
function children(element) {
return Array.from(element.childNodes);
}
function set_data(text, data) {
data = '' + data;
if (text.wholeText !== data)
text.data = data;
}
function toggle_class(element, name, toggle) {
element.classList[toggle ? 'add' : 'remove'](name);
}
let current_component;
function set_current_component(component) {
current_component = component;
}
// TODO figure out if we still want to support
// shorthand events, or if we want to implement
// a real bubbling mechanism
function bubble(component, event) {
const callbacks = component.$$.callbacks[event.type];
if (callbacks) {
// @ts-ignore
callbacks.slice().forEach(fn => fn.call(this, event));
}
}
const dirty_components = [];
const binding_callbacks = [];
const render_callbacks = [];
const flush_callbacks = [];
const resolved_promise = Promise.resolve();
let update_scheduled = false;
function schedule_update() {
if (!update_scheduled) {
update_scheduled = true;
resolved_promise.then(flush);
}
}
function add_render_callback(fn) {
render_callbacks.push(fn);
}
// flush() calls callbacks in this order:
// 1. All beforeUpdate callbacks, in order: parents before children
// 2. All bind:this callbacks, in reverse order: children before parents.
// 3. All afterUpdate callbacks, in order: parents before children. EXCEPT
// for afterUpdates called during the initial onMount, which are called in
// reverse order: children before parents.
// Since callbacks might update component values, which could trigger another
// call to flush(), the following steps guard against this:
// 1. During beforeUpdate, any updated components will be added to the
// dirty_components array and will cause a reentrant call to flush(). Because
// the flush index is kept outside the function, the reentrant call will pick
// up where the earlier call left off and go through all dirty components. The
// current_component value is saved and restored so that the reentrant call will
// not interfere with the "parent" flush() call.
// 2. bind:this callbacks cannot trigger new flush() calls.
// 3. During afterUpdate, any updated components will NOT have their afterUpdate
// callback called a second time; the seen_callbacks set, outside the flush()
// function, guarantees this behavior.
const seen_callbacks = new Set();
let flushidx = 0; // Do *not* move this inside the flush() function
function flush() {
const saved_component = current_component;
do {
// first, call beforeUpdate functions
// and update components
while (flushidx < dirty_components.length) {
const component = dirty_components[flushidx];
flushidx++;
set_current_component(component);
update(component.$$);
}
set_current_component(null);
dirty_components.length = 0;
flushidx = 0;
while (binding_callbacks.length)
binding_callbacks.pop()();
// then, once components are updated, call
// afterUpdate functions. This may cause
// subsequent updates...
for (let i = 0; i < render_callbacks.length; i += 1) {
const callback = render_callbacks[i];
if (!seen_callbacks.has(callback)) {
// ...so guard against infinite loops
seen_callbacks.add(callback);
callback();
}
}
render_callbacks.length = 0;
} while (dirty_components.length);
while (flush_callbacks.length) {
flush_callbacks.pop()();
}
update_scheduled = false;
seen_callbacks.clear();
set_current_component(saved_component);
}
function update($$) {
if ($$.fragment !== null) {
$$.update();
run_all($$.before_update);
const dirty = $$.dirty;
$$.dirty = [-1];
$$.fragment && $$.fragment.p($$.ctx, dirty);
$$.after_update.forEach(add_render_callback);
}
}
const outroing = new Set();
let outros;
function group_outros() {
outros = {
r: 0,
c: [],
p: outros // parent group
};
}
function check_outros() {
if (!outros.r) {
run_all(outros.c);
}
outros = outros.p;
}
function transition_in(block, local) {
if (block && block.i) {
outroing.delete(block);
block.i(local);
}
}
function transition_out(block, local, detach, callback) {
if (block && block.o) {
if (outroing.has(block))
return;
outroing.add(block);
outros.c.push(() => {
outroing.delete(block);
if (callback) {
if (detach)
block.d(1);
callback();
}
});
block.o(local);
}
}
function get_spread_update(levels, updates) {
const update = {};
const to_null_out = {};
const accounted_for = { $$scope: 1 };
let i = levels.length;
while (i--) {
const o = levels[i];
const n = updates[i];
if (n) {
for (const key in o) {
if (!(key in n))
to_null_out[key] = 1;
}
for (const key in n) {
if (!accounted_for[key]) {
update[key] = n[key];
accounted_for[key] = 1;
}
}
levels[i] = n;
}
else {
for (const key in o) {
accounted_for[key] = 1;
}
}
}
for (const key in to_null_out) {
if (!(key in update))
update[key] = undefined;
}
return update;
}
function mount_component(component, target, anchor, customElement) {
const { fragment, on_mount, on_destroy, after_update } = component.$$;
fragment && fragment.m(target, anchor);
if (!customElement) {
// onMount happens before the initial afterUpdate
add_render_callback(() => {
const new_on_destroy = on_mount.map(run).filter(is_function);
if (on_destroy) {
on_destroy.push(...new_on_destroy);
}
else {
// Edge case - component was destroyed immediately,
// most likely as a result of a binding initialising
run_all(new_on_destroy);
}
component.$$.on_mount = [];
});
}
after_update.forEach(add_render_callback);
}
function destroy_component(component, detaching) {
const $$ = component.$$;
if ($$.fragment !== null) {
run_all($$.on_destroy);
$$.fragment && $$.fragment.d(detaching);
// TODO null out other refs, including component.$$ (but need to
// preserve final state?)
$$.on_destroy = $$.fragment = null;
$$.ctx = [];
}
}
function make_dirty(component, i) {
if (component.$$.dirty[0] === -1) {
dirty_components.push(component);
schedule_update();
component.$$.dirty.fill(0);
}
component.$$.dirty[(i / 31) | 0] |= (1 << (i % 31));
}
function init(component, options, instance, create_fragment, not_equal, props, append_styles, dirty = [-1]) {
const parent_component = current_component;
set_current_component(component);
const $$ = component.$$ = {
fragment: null,
ctx: null,
// state
props,
update: noop,
not_equal,
bound: blank_object(),
// lifecycle
on_mount: [],
on_destroy: [],
on_disconnect: [],
before_update: [],
after_update: [],
context: new Map(options.context || (parent_component ? parent_component.$$.context : [])),
// everything else
callbacks: blank_object(),
dirty,
skip_bound: false,
root: options.target || parent_component.$$.root
};
append_styles && append_styles($$.root);
let ready = false;
$$.ctx = instance
? instance(component, options.props || {}, (i, ret, ...rest) => {
const value = rest.length ? rest[0] : ret;
if ($$.ctx && not_equal($$.ctx[i], $$.ctx[i] = value)) {
if (!$$.skip_bound && $$.bound[i])
$$.bound[i](value);
if (ready)
make_dirty(component, i);
}
return ret;
})
: [];
$$.update();
ready = true;
run_all($$.before_update);
// `false` as a special case of no DOM component
$$.fragment = create_fragment ? create_fragment($$.ctx) : false;
if (options.target) {
if (options.hydrate) {
const nodes = children(options.target);
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
$$.fragment && $$.fragment.l(nodes);
nodes.forEach(detach);
}
else {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
$$.fragment && $$.fragment.c();
}
if (options.intro)
transition_in(component.$$.fragment);
mount_component(component, options.target, options.anchor, options.customElement);
flush();
}
set_current_component(parent_component);
}
/**
* Base class for Svelte components. Used when dev=false.
*/
class SvelteComponent {
$destroy() {
destroy_component(this, 1);
this.$destroy = noop;
}
$on(type, callback) {
const callbacks = (this.$$.callbacks[type] || (this.$$.callbacks[type] = []));
callbacks.push(callback);
return () => {
const index = callbacks.indexOf(callback);
if (index !== -1)
callbacks.splice(index, 1);
};
}
$set($$props) {
if (this.$$set && !is_empty($$props)) {
this.$$.skip_bound = true;
this.$$set($$props);
this.$$.skip_bound = false;
}
}
}
/* components/textarea/src/Textarea.svelte generated by Svelte v3.46.4 */
function create_if_block(ctx) {
let current;
const default_slot_template = /*#slots*/ ctx[11].default;
const default_slot = create_slot(default_slot_template, ctx, /*$$scope*/ ctx[10], null);
const default_slot_or_fallback = default_slot || fallback_block(ctx);
return {
c() {
if (default_slot_or_fallback) default_slot_or_fallback.c();
},
m(target, anchor) {
if (default_slot_or_fallback) {
default_slot_or_fallback.m(target, anchor);
}
current = true;
},
p(ctx, dirty) {
if (default_slot) {
if (default_slot.p && (!current || dirty & /*$$scope*/ 1024)) {
update_slot_base(
default_slot,
default_slot_template,
ctx,
/*$$scope*/ ctx[10],
!current
? get_all_dirty_from_scope(/*$$scope*/ ctx[10])
: get_slot_changes(default_slot_template, /*$$scope*/ ctx[10], dirty, null),
null
);
}
} else {
if (default_slot_or_fallback && default_slot_or_fallback.p && (!current || dirty & /*maxlength, value*/ 34)) {
default_slot_or_fallback.p(ctx, !current ? -1 : dirty);
}
}
},
i(local) {
if (current) return;
transition_in(default_slot_or_fallback, local);
current = true;
},
o(local) {
transition_out(default_slot_or_fallback, local);
current = false;
},
d(detaching) {
if (default_slot_or_fallback) default_slot_or_fallback.d(detaching);
}
};
}
// (35:10)
function fallback_block(ctx) {
let div;
let t0_value = /*value*/ ctx[1].length + "";
let t0;
let t1;
let t2;
let t3;
return {
c() {
div = element("div");
t0 = text(t0_value);
t1 = text("/");
t2 = text(/*maxlength*/ ctx[5]);
t3 = text(" characters");
attr(div, "class", "resp-textarea__char");
},
m(target, anchor) {
insert(target, div, anchor);
append(div, t0);
append(div, t1);
append(div, t2);
append(div, t3);
},
p(ctx, dirty) {
if (dirty & /*value*/ 2 && t0_value !== (t0_value = /*value*/ ctx[1].length + "")) set_data(t0, t0_value);
if (dirty & /*maxlength*/ 32) set_data(t2, /*maxlength*/ ctx[5]);
},
d(detaching) {
if (detaching) detach(div);
}
};
}
function create_fragment(ctx) {
let div;
let textarea;
let textarea_class_value;
let t;
let current;
let mounted;
let dispose;
let textarea_levels = [
{
class: textarea_class_value = "resp-textarea " + /*className*/ ctx[2]
},
{ maxlength: /*maxlength*/ ctx[5] },
{ rows: /*rows*/ ctx[4] },
{ cols: /*cols*/ ctx[3] },
{ value: /*value*/ ctx[1] },
/*$$restProps*/ ctx[8]
];
let textarea_data = {};
for (let i = 0; i < textarea_levels.length; i += 1) {
textarea_data = assign(textarea_data, textarea_levels[i]);
}
let if_block = /*maxlength*/ ctx[5] > 0 && create_if_block(ctx);
return {
c() {
div = element("div");
textarea = element("textarea");
t = space();
if (if_block) if_block.c();
set_attributes(textarea, textarea_data);
toggle_class(textarea, "resp-textarea--bordered", /*bordered*/ ctx[6]);
attr(div, "class", "resp-textarea__box");
},
m(target, anchor) {
insert(target, div, anchor);
append(div, textarea);
if (textarea.autofocus) textarea.focus();
/*textarea_binding*/ ctx[15](textarea);
append(div, t);
if (if_block) if_block.m(div, null);
current = true;
if (!mounted) {
dispose = [
listen(textarea, "input", /*handleChange*/ ctx[7]),
listen(textarea, "focus", /*focus_handler*/ ctx[12]),
listen(textarea, "blur", /*blur_handler*/ ctx[13]),
listen(textarea, "input", /*input_handler*/ ctx[14])
];
mounted = true;
}
},
p(ctx, [dirty]) {
set_attributes(textarea, textarea_data = get_spread_update(textarea_levels, [
(!current || dirty & /*className*/ 4 && textarea_class_value !== (textarea_class_value = "resp-textarea " + /*className*/ ctx[2])) && { class: textarea_class_value },
(!current || dirty & /*maxlength*/ 32) && { maxlength: /*maxlength*/ ctx[5] },
(!current || dirty & /*rows*/ 16) && { rows: /*rows*/ ctx[4] },
(!current || dirty & /*cols*/ 8) && { cols: /*cols*/ ctx[3] },
(!current || dirty & /*value*/ 2) && { value: /*value*/ ctx[1] },
dirty & /*$$restProps*/ 256 && /*$$restProps*/ ctx[8]
]));
toggle_class(textarea, "resp-textarea--bordered", /*bordered*/ ctx[6]);
if (/*maxlength*/ ctx[5] > 0) {
if (if_block) {
if_block.p(ctx, dirty);
if (dirty & /*maxlength*/ 32) {
transition_in(if_block, 1);
}
} else {
if_block = create_if_block(ctx);
if_block.c();
transition_in(if_block, 1);
if_block.m(div, null);
}
} else if (if_block) {
group_outros();
transition_out(if_block, 1, 1, () => {
if_block = null;
});
check_outros();
}
},
i(local) {
if (current) return;
transition_in(if_block);
current = true;
},
o(local) {
transition_out(if_block);
current = false;
},
d(detaching) {
if (detaching) detach(div);
/*textarea_binding*/ ctx[15](null);
if (if_block) if_block.d();
mounted = false;
run_all(dispose);
}
};
}
function instance($$self, $$props, $$invalidate) {
const omit_props_names = ["class","ref","cols","rows","maxlength","value","bordered","autoResize"];
let $$restProps = compute_rest_props($$props, omit_props_names);
let { $$slots: slots = {}, $$scope } = $$props;
let { class: className = "" } = $$props;
let { ref } = $$props;
let { cols = 80 } = $$props;
let { rows = 4 } = $$props;
let { maxlength = 100 } = $$props;
let { value = "" } = $$props;
let { bordered = true } = $$props;
let { autoResize = true } = $$props;
const handleChange = e => {
$$invalidate(1, value = e.target.value);
if (autoResize && ref) {
$$invalidate(0, ref.style.height = "auto", ref);
$$invalidate(0, ref.style.height = `${ref.scrollHeight}px`, ref);
}
};
function focus_handler(event) {
bubble.call(this, $$self, event);
}
function blur_handler(event) {
bubble.call(this, $$self, event);
}
function input_handler(event) {
bubble.call(this, $$self, event);
}
function textarea_binding($$value) {
binding_callbacks[$$value ? 'unshift' : 'push'](() => {
ref = $$value;
$$invalidate(0, ref);
});
}
$$self.$$set = $$new_props => {
$$props = assign(assign({}, $$props), exclude_internal_props($$new_props));
$$invalidate(8, $$restProps = compute_rest_props($$props, omit_props_names));
if ('class' in $$new_props) $$invalidate(2, className = $$new_props.class);
if ('ref' in $$new_props) $$invalidate(0, ref = $$new_props.ref);
if ('cols' in $$new_props) $$invalidate(3, cols = $$new_props.cols);
if ('rows' in $$new_props) $$invalidate(4, rows = $$new_props.rows);
if ('maxlength' in $$new_props) $$invalidate(5, maxlength = $$new_props.maxlength);
if ('value' in $$new_props) $$invalidate(1, value = $$new_props.value);
if ('bordered' in $$new_props) $$invalidate(6, bordered = $$new_props.bordered);
if ('autoResize' in $$new_props) $$invalidate(9, autoResize = $$new_props.autoResize);
if ('$$scope' in $$new_props) $$invalidate(10, $$scope = $$new_props.$$scope);
};
return [
ref,
value,
className,
cols,
rows,
maxlength,
bordered,
handleChange,
$$restProps,
autoResize,
$$scope,
slots,
focus_handler,
blur_handler,
input_handler,
textarea_binding
];
}
class Textarea extends SvelteComponent {
constructor(options) {
super();
init(this, options, instance, create_fragment, safe_not_equal, {
class: 2,
ref: 0,
cols: 3,
rows: 4,
maxlength: 5,
value: 1,
bordered: 6,
autoResize: 9
});
}
}
return Textarea;
})();